Abrégé

Disclosed in the present invention are a yaw wake control method and device for wind turbines in a wind farm. The method comprises the following steps: S1, inputting basic data of a wind farm; S2, by means of the basic data of the wind farm, and on the basis of an axial induction factor and a constraint condition, building a wind farm output optimization model; S3, solving the wind farm output optimization model to obtain an optimization result, the optimization result comprising an optimal yaw angle and an optimal axial induction factor; S4, converting the optimal axial induction factor into an optimal adjustment parameter; and S5, according to the optimal yaw angle and the optimal adjustment parameter, setting the operation of each wind turbine, so as to reduce the wake effect of the wind farm, thus maximizing the output of the wind farm. The present invention can reduce the wake effect of wind farms, thus maximizing the output of the wind farms.

Classes IPC  ?

• F03D 7/04 - Commande automatique; Régulation

Abrégé

Disclosed in the present invention is an extraction method for a primary tissue cell, comprising the following steps: acquiring an organ tissue; then using mutual rotation motion of two grinding planes each having a rectangular pyramid-like surface microstructure to shear the organ tissue; using a digestive enzyme solution to digest the sheared organ tissue; then adding fetal bovine serum to terminate digestion; carrying out centrifugation for the first time to remove a supernatant; and adding a red blood cell lysis buffer, carrying out dispersion by blowing and carrying out uniform mixing, and then carrying out centrifugation again to remove a supernatant to obtain an extracted primary cell. According to the present invention, the mutual rotation motion of two grinding planes each having a prismatic microstructure is used to shear the organ tissue, and the tissue is sheared by a shearing force generated when the prismatic microstructures of the two grinding planes are staggered, so that the extrusion damage effect on tissue cells when a soft tissue is cut can be reduced; moreover, continuous shearing is carried out by means of a plurality of prismatic microstructures in an annular array, so that the shearing effect of a tissue is improved, more favorable conditions are created for cell extraction, the extracted cells are high in viability and good in activity, and the extraction amount is high.

Classes IPC  ?

• C12N 5/071 - Cellules ou tissus de vertébrés, p.ex. cellules humaines ou tissus humains
• C12M 1/33 - Désintégrateurs
• C12M 1/00 - Appareillage pour l'enzymologie ou la microbiologie

Abrégé

22222 is high.

Classes IPC  ?

• B01J 23/889 - Manganèse, technétium ou rhénium
• B01J 35/06 - Etoffes ou filaments
• C01B 15/01 - Peroxyde d'hydrogène, c. à d. eau oxygénée
• C01B 15/027 - Préparation à partir de l'eau
• C02F 1/72 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation
• C02F 101/36 - Composés organiques contenant des atomes d'halogène
• C02F 101/34 - Composés organiques contenant de l'oxygène
• C02F 101/38 - Composés organiques contenant de l'azote

Abrégé

A rigid-flexible coupling gripper, includes: a support unit; a rigid gripper unit and a flexible gripper unit connected to the support unit, wherein the rigid gripper unit and the flexible gripper unit are connected in parallel; the rigid gripper unit includes a sector gear connected to the support unit and a rigid gripper connected to the sector gear and capable of moving driven by the sector gear; a motor drive unit connected to the rigid gripper unit and including a motor and a partial gear including a toothed portion and a non-toothed portion, wherein the motor is connected to the partial gear for driving the partial gear to rotate; the sector gear is configured for being meshed with the toothed portion of the partial gear; and a pneumatic drive unit connected to the flexible gripper unit for driving the flexible gripper unit into a bending deformation.

Classes IPC  ?

• B25J 15/12 - Têtes de préhension avec des éléments en forme de doigts avec des éléments en forme de doigts flexibles

Abrégé

Provided are a video pushing method and apparatus, a device, and a storage medium. The method comprises: on the basis of a predicted request amount of each first video to be pushed within a request peak period and a second video cached by each first edge node, determining the number of copies of each first video; on the basis of an occupied cache space and the number of copies of each first video, and a current bandwidth utilization rate and a node cache space of each first edge node, determining a cache replacement space of each second edge node; on the basis of each first video representation vector, the occupied cache space, the number of copies, a second video representation vector cached by each second edge node, and the cache replacement space, determining a third edge node to which each first video is to be pushed; and on the basis of the number of copies and the third edge node, copying and pushing each first video within a non-request peak period.

Classes IPC  ?

• H04N 21/472 - Interface pour utilisateurs finaux pour la requête de contenu, de données additionnelles ou de services; Interface pour utilisateurs finaux pour l'interaction avec le contenu, p.ex. pour la réservation de contenu ou la mise en place de rappels, pour la requête de notification d'événement ou pour la transformation de contenus affichés

Abrégé

A composite solid electrolyte and a preparation method therefor, and a lithium metal battery. The composite solid electrolyte comprises polyvinylidene fluoride, a lithium salt, an organic solvent, and a coordination agent, wherein the coordination ability of the coordination agent with lithium ions in the lithium salt is weaker than that of the organic solvent with the lithium ions, and the coordination agent comprises at least one of trifluoroacetamide, N-methyltrifluoroacetamide, or N,N-dimethyltrifluoroacetamide. According to the composite solid electrolyte, the coordination agent has stable chemical properties, has weaker coordination ability with lithium ions than that of the organic solvent, and has a weak action force with polyvinylidene fluoride; and compared with a single organic solvent, the combination of the coordination agent and the organic solvent can weaken a binding force for lithium ions, form rich contact ion pairs and ion aggregates in a solvation structure, and weaken an interaction force between the solvation structure and polyvinylidene fluoride in the composite solid electrolyte, thereby improving the ion conduction of the lithium ions in the composite solid electrolyte, and enhancing the interfacial stability of the composite solid electrolyte.

Classes IPC  ?

• H01M 10/0565 - Matériaux polymères, p.ex. du type gel ou du type solide
• H01M 10/058 - Structure ou fabrication
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium

Abrégé

A map matching method and device based on trajectory topology. The method comprises the steps of: S1, on the basis of road network data, modeling an urban space by using three types of nodes, i.e., entrance and exit nodes, hub nodes and connection nodes, and constructing an urban topological graph; S2, using an original vehicle GPS record sequence to obtain a candidate point set corresponding to vehicle trajectory topology; S3, calculating a spatial similarity function between candidate points according to the original vehicle GPS record sequence and the urban topological graph, so as to obtain a weight candidate graph; S4, establishing a static similarity matrix according to the weight candidate graph, and performing calculation to obtain a weighted similarity matrix; S5, calculating a local optimal path, counting votes for all candidate points on the local optimal path, and connecting the candidate points having the highest number of votes, so as to obtain trajectory topology; and S6, performing map matching by means of the trajectory topology. An urban topological graph is used as a carrier of a trajectory data expression, such that an expression mode for a trajectory can be simplified, thereby improving the accuracy and efficiency of map matching and trajectory data.

Classes IPC  ?

• G01C 21/00 - Navigation; Instruments de navigation non prévus dans les groupes
• G01C 21/34 - Recherche d'itinéraire; Guidage en matière d'itinéraire
• G01S 19/39 - Détermination d'une solution de navigation au moyen des signaux émis par un système de positionnement satellitaire à radiophares le système de positionnement satellitaire à radiophares transmettant des messages horodatés, p.ex. GPS [Système de positionnement global], GLONASS [Système mondial de satellites de navigation] ou GALILEO
• G06F 16/29 - Bases de données d’informations géographiques
• G06F 16/22 - Indexation; Structures de données à cet effet; Structures de stockage
• G06Q 10/047 - Optimisation des itinéraires ou des chemins, p. ex. problème du voyageur de commerce
• G06Q 50/26 - Services gouvernementaux ou services publics
• G06F 18/22 - Critères d'appariement, p.ex. mesures de proximité

Abrégé

Provided in the present disclosure are a speech processing method and apparatus, and an electronic device. The method comprises: acquiring speech, wherein text corresponding to the speech comprises one or more words; determining first semantic information of the speech, style information of the speech, and word level information associated with the one or more words; acquiring translated text of a target language that corresponds to the speech, wherein the translated text comprises one or more translated words; determining second semantic information of the translated text, and text information associated with the one or more translated words in the translated text; and on the basis of the first semantic information, the style information, the word level information, the second semantic information, the text information and the translated text, determining target speech corresponding to the translated text.

Classes IPC  ?

• G06F 40/58 - Utilisation de traduction automatisée, p.ex. pour recherches multilingues, pour fournir aux dispositifs clients une traduction effectuée par le serveur ou pour la traduction en temps réel
• G10L 15/00 - Reconnaissance de la parole

Abrégé

Disclosed in the present invention is a compression method for a light-field image. The method comprises the following steps: S1, acquiring a light-field image, and preprocessing the light-field image, wherein the light-field image comprises a plurality of micro-images arranged in an array, and the preprocessing comprises: taking a block from each micro-image, and stitching the micro-images after blocks are taken, so as to generate a rectangular image; and S2, coding the rectangular image in step S1 by using an image/video coding algorithm, so as to generate a compressed light-field image. The compression method for a light-field image provided in the present invention can improve the compression efficiency of the light-field image, thereby reducing the transmission bandwidth and storage space for data.

Classes IPC  ?

• H04N 1/41 - Réduction de la largeur de bande ou de la redondance

Abrégé

The application discloses a rigid-flexible coupling gripper, including: a support unit; a rigid gripper unit and a flexible gripper unit connected to the support unit, wherein the rigid gripper unit and the flexible gripper unit are connected in parallel; the rigid gripper unit includes a sector gear connected to the support unit and a rigid gripper connected to the sector gear and capable of moving driven by the sector gear; a motor drive unit connected to the rigid gripper unit and including a motor and a partial gear including a toothed portion and a non-toothed portion, wherein the motor is connected to the partial gear for driving the partial gear to rotate; the sector gear is configured for being meshed with the toothed portion of the partial gear; and a pneumatic drive unit connected to the flexible gripper unit for driving the flexible gripper unit into a bending deformation.

Classes IPC  ?

• B25J 15/08 - Têtes de préhension avec des éléments en forme de doigts
• B25J 15/02 - Têtes de préhension servocommandées

Abrégé

An mRNA molecule for targeted protein degradation, and a use. The mRNA molecule for targeted protein degradation successively comprises a 5' cap structure, a 5' non-coding region, a Kozak element, a coding region, a 3' non-coding region, and a polyadenylic acid structure; the coding region comprises a functional polypeptide coding gene, and the functional polypeptide comprises a VHL E3 ubiquitin ligase targeting peptide, a linker peptide, and a target protein targeting polypeptide which are successively connected. The mRNA molecule for targeted protein degradation has higher safety, can improve the anti-tumor efficacy of the peptide-based PROTACs, solves the critical cell penetration problem, can be used for efficient targeted degradation of a target protein, provides a new targeted protein degradation molecular pattern, and has a wide application prospect.

Classes IPC  ?

• C12N 15/62 - Séquences d'ADN codant pour des protéines de fusion
• C12N 15/85 - Vecteurs ou systèmes d'expression spécialement adaptés aux hôtes eucaryotes pour cellules animales
• C12N 5/10 - Cellules modifiées par l'introduction de matériel génétique étranger, p.ex. cellules transformées par des virus
• A61K 48/00 - Préparations médicinales contenant du matériel génétique qui est introduit dans des cellules du corps vivant pour traiter des maladies génétiques; Thérapie génique

Abrégé

Disclosed in the present invention are a hydrogen-assisted ultraviolet light ionization device, a method, and a mass spectrometer. The device comprises an ultraviolet lamp, a carrier gas passage, a hydrogen supply unit, a vacuum cavity, an ion trap, and a sample supply unit. The ion trap is arranged in the vacuum cavity. The hydrogen supply unit and the sample supply unit are connected with the vacuum cavity by means of the carrier gas passage to respectively introduce hydrogen and a volatile gas sample into the vacuum cavity. The ultraviolet lamp is installed in the vacuum cavity. The ultraviolet lamp irradiates ultraviolet light to photoelectrically isolate the sample molecules into ions. Furthermore, the hydrogen absorbs the energy of the ultraviolet light, chemical bonds are broken, thereby forming hydrogen atoms. The hydrogen atoms absorb ultraviolet light to form excited states H*. The excited state H* impacts sample molecules to generate a Penning effect, such that sample molecules are ionized. Ultraviolet light ionization and hydrogen auxiliary ionization are also realized, and the generated ions are stored in an ion trap for sample analysis. In the present invention, the signal sensitivity is increased by two orders of magnitude, and this is beneficial to increasing the resolution of the mass spectrometer.

Classes IPC  ?

• H01J 49/16 - Sources d'ions; Canons à ions utilisant une ionisation de surface, p.ex. émission thermo-ionique ou photo-électrique

Abrégé

Disclosed in the present invention are a linear power flow model, an optimization method therefor, and a power distribution network operation stability evaluation method. The optimization method for a power distribution network power flow model comprises the following steps: starting from branch power, establishing a power distribution network power flow model, and according to the power distribution network power flow model, establishing a linear approximation model of the power distribution network power flow model, wherein the linear approximation model comprises a voltage drop equation and a branch power balance equation; and adding to the voltage drop equation a coefficient consisting of impedance and admittance parameters of a line, so as to modify a node branch matrix in the voltage drop equation, thereby establishing a linear power distribution network power flow model in which parallel branches to ground of the line are taken into consideration. In the present invention, by means of adding to a voltage drop equation a coefficient consisting of impedance and admittance parameters of a line, so as to modify a node branch matrix in the voltage drop equation, model errors caused by capacitance admittance of parallel branches to ground can be solved, thereby significantly improving the precision and accuracy of a power distribution network power flow model.

Classes IPC  ?

• G06Q 10/0639 - Analyse des performances des employés; Analyse des performances des opérations d’une entreprise ou d’une organisation
• H02J 3/06 - Commande du transfert de puissance entre réseaux connectés; Commande du partage de charge entre réseaux connectés

Abrégé

The present invention provides a planning and design method for a double-sided ring electrical collector system of an offshore wind farm, comprising the following steps: S1, obtaining all candidate cables to be constructed in a planning area: receiving all node coordinates and a preset maximum distance, wherein the nodes comprise offshore wind turbines and an offshore substation, for each node, listing all optional cables to be constructed between the node and surrounding nodes thereof, and selecting therefrom cables having lengths smaller than the maximum distance as candidate cables to be constructed; S2, obtaining all crossed candidate cable combinations, and imposing constraints to enable candidate cables that may cross not to be constructed at the same time; S3, establishing an electrical collector system planning model on the basis of capacitated vehicle routing and power system extension planning; and S4, solving an offshore wind farm electrical collector system planning optimization model by using a commercial solver. The technical solution of the present invention can be used to guide the topological structure design of large-scale offshore wind farm electrical collector systems meeting the "N-1" criterion, and achieves better stability.

Classes IPC  ?

• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu

Abrégé

Present disclosure discloses a method for recovering phosphorus and iron, and use thereof. The method comprises the following steps of: S1: mixing iron salt and phosphorus-containing sewage according to the amount of the phosphorus-containing sewage to obtain a mixture, the concentration of the iron salt in the obtained mixture being 4 mg/L to 25 mg/L, fermenting the mixture at 20° C. to 60° C. for 2 days to 10 days, taking a fermentation supernatant, and removing the impurities; and S2: oxidizing the fermentation supernatant subjected to impurity removal in an acidic system. The present disclosure provides the method for recovering phosphorus and iron, which realizes high efficient recycling of phosphorus resources in sludge.

Classes IPC  ?

• C01B 25/45 - Phosphates contenant plusieurs métaux ou un métal et l'ammonium
• C02F 3/28 - Procédés de digestion anaérobies
• C02F 9/00 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout
• C02F 1/38 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par séparation centrifuge
• C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
• C02F 1/52 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par floculation ou précipitation d'impuretés en suspension
• C02F 1/66 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par neutralisation; Ajustage du pH
• C02F 1/72 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation

Abrégé

A reliability assessment method for and a planning method for an offshore wind farm power collection system. The reliability assessment method comprises the following steps: S1, establishing an offshore wind farm power collection system model and a network reconstruction strategy model after an offshore wind farm power collection system failure; S2, constructing a reliability assessment model, wherein the reliability assessment model comprises a minimized objective function and constraint conditions; S3, solving the reliability assessment model to obtain a reliability assessment result of the offshore wind farm power collection system. A network reconstruction process after a power collection system failure is considered in the reliability assessment process, so that assessment results can be more consistent with actual situations, thereby obtaining more accurate reliability assessment results. According to the planning method for an offshore wind farm power collection system, a power collection system planning model is established by means of a power collection system network planning model and the reliability assessment model and is solved, so that planning of offshore wind farm power collection systems can be quickly and accurately obtained, and coordination and decision making can be performed.

Classes IPC  ?

• G06Q 10/063 - Recherche, analyse ou gestion opérationnelles
• H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
• G06Q 50/06 - Fourniture d'électricité, de gaz ou d'eau
• G06F 30/20 - Optimisation, vérification ou simulation de l’objet conçu

Abrégé

34344; oxygen vacancy structures are distributed in the three-way catalyst, and these oxygen vacancy structures have high oxygen affinity, can improve the capacity for adsorbing and activating oxygen, accelerate charge transfer in a catalytic system, and achieve the activation of oxygen using oxygen vacancies to produce hydrogen peroxide having low concentration, without inputting extra energy (such as light and electricity).

Classes IPC  ?

• B01J 23/889 - Manganèse, technétium ou rhénium
• B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
• B01J 35/00 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général
• B01J 37/03 - Précipitation; Co-précipitation
• B01J 37/10 - Traitement thermique en présence d'eau, p.ex. de vapeur d'eau
• B01J 37/08 - Traitement thermique
• C01B 15/027 - Préparation à partir de l'eau

Abrégé

Provided are a sunscreen product with a metal oxide micro-nanosheet and a preparation method therefor. The sunscreen product comprises an aqueous phase matrix, a first emulsifier, and an oil matrix. The aqueous phase matrix comprises a metal oxide micro-nanosheet and water. The metal oxide micro-nanosheet comprises at least one of a titanium-containing oxide micro-nanosheet or a zinc-containing oxide micro-nanosheet. According to the sunscreen product, the optical transparency of a visible light region of the sunscreen product can be improved, and the phenomenon that the surface of the skin whitens after applying the sunscreen product is relieved; and the permeability of the sunscreen product penetrating into the skin can also be reduced, such that the biological safety of the sunscreen product is improved.

Classes IPC  ?

• A61K 8/27 - Zinc; Ses composés
• A61K 8/29 - Titane; Ses composés
• A61K 8/31 - Hydrocarbures
• A61K 8/37 - Esters d'acides carboxyliques
• A61K 8/44 - Acides aminocarboxyliques ou leurs dérivés, p.ex. acides aminocarboxyliques contenant du soufre; Leurs sels, esters ou dérivés N-acylés
• A61K 8/60 - Sucres; Leurs dérivés
• A61K 8/92 - Huiles, graisses ou cires; Leurs dérivés, p.ex. produits d'hydrogénation
• A61Q 17/04 - Préparations topiques pour faire écran au soleil ou aux radiations; Préparations topiques pour bronzer

Abrégé

A PSG and PSA configuration optimization method and a polarizing and analyzing system, wherein the method comprises the following steps: adjusting an instrumental matrix W of a PSG and an instrumental matrix A of an PSA to minimize a weighted variance EWV of the instrument matrices of the PSG and the PSA, so as to realize optimization for Gaussian noise; and a sum of each row of the instrumental matrix W of the PSG and the instrumental matrix A of the PSA is 0, so that an estimated variance caused by Poisson noise is independent of the sample, and the estimated variance reaches a minimum value. The present disclosure can suppress the noise to the maximum extent and make the law of the noise independent from the sample, and the distribution law of the noise is the same regardless of the sample to be measured.

Classes IPC  ?

• G01N 21/21 - Propriétés affectant la polarisation
• G01N 21/01 - Dispositions ou appareils pour faciliter la recherche optique

Abrégé

An information transmission method and a related device applied to a cloud service system are provided. The cloud service system includes an arbiter, a first switch, and a first server group. The arbiter is connected to the first server group by using the first switch. The method includes: a first server obtains a first identifier of the first server in the first server group. The first server determines, in a first slot, a first time domain location corresponding to the first identifier. The first time domain location is a time domain location at which the first switch receives a first request to be processed by the arbiter, and different identifiers correspond to different time domain locations in the first slot. The first server sends the first request to the first switch based on the first time domain location.

Classes IPC  ?

• H04L 49/253 - Routage ou recherche de route dans une matrice de commutation en utilisant l'établissement ou la libération de connexions entre les ports
• H04L 49/112 - Commande de la commutation, p.ex. par arbitrage
• H04Q 11/04 - Dispositifs de sélection pour systèmes multiplex pour multiplex à division de temps

Abrégé

Disclosed in the present invention is a planning assistance method for an electricity-gas coupled integrated energy system, comprising the following steps: constructing an objective function of a transformation model on the basis of an electricity-gas coupled integrated energy system condition; constructing a constraint condition; solving the objective function under the constraint condition; and implementing a planning scheme by using a solving result, wherein the constraint of the objective function comprises a gas network model constraint, a power grid model constraint, a carbon capture power plant transformation model constraint, and an electricity-to-gas (PtG) constant-address and constant-volume model constraint. According to the planning method provided by the present invention, a conventional thermal power plant is transformed into a carbon capture power plant, the carbon capture power plant is coupled to a natural gas system by means of PtG, the objective function of the transformation model is constructed on the basis of the electricity-gas coupled integrated energy system condition, and the objective function is solved by means of the gas network model constraint, the power grid model constraint, the carbon capture power plant transformation model constraint and the PtG constant-address and constant-volume model constraint, thereby achieving planning of the carbon capture power plant, reducing carbon emission, and increasing carbon income.

Classes IPC  ?

• G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projets; Planification d’entreprise ou d’organisation; Modélisation d’entreprise ou d’organisation
• G06Q 50/06 - Fourniture d'électricité, de gaz ou d'eau

Abrégé

A cell sphere preparation device and preparation method. The cell sphere preparation method comprises: an aqueous phase liquid reservoir (202), a liquid storage tube (204) and a first pump (207) being in communication in sequence, and the first pump (207) pumping cell suspension into the liquid storage tube (204); a second pump (205), the liquid storage tube (204) and a first inlet (301) of a microfluidic chip (208) being in communication in sequence, and the second pump (205) delivering the cell suspension in the liquid storage tube (204) to the first inlet (301); making an oil phase material flow to a second inlet (302) of the microfluidic chip, such that droplets of the cell suspension are formed in the microfluidic chip (208); and solidifying the droplets to form cell spheres. The cell sphere preparation device and preparation method provided can improve the sample injection efficiency of a microfluidic chip, and thus improve the preparation efficiency of cell spheres; moreover, the cell suspension injection amount of the microfluidic chip can be accurately controlled, thereby ensuring the quality of the cell spheres and improving the quality stability of the cell spheres.

Classes IPC  ?

• C12M 3/00 - Appareillage pour la culture de tissus, de cellules humaines, animales ou végétales, ou de virus
• C12M 1/38 - Commande sensible à la température
• C12M 1/36 - Appareillage pour l'enzymologie ou la microbiologie comportant une commande sensible au temps ou aux conditions du milieu, p.ex. fermenteurs commandés automatiquement
• C12M 1/34 - Mesure ou test par des moyens de mesure ou de détection des conditions du milieu, p.ex. par des compteurs de colonies
• C12M 1/00 - Appareillage pour l'enzymologie ou la microbiologie
• B01L 3/00 - Récipients ou ustensiles pour laboratoires, p.ex. verrerie de laboratoire; Compte-gouttes

Abrégé

A high-throughput culture method for an organoid. The method comprises the following steps: S2: encapsulating cells in a dispersed phase 1; S4: respectively injecting the dispersed phase 1 encapsulating the cells and also a dispersed phase 2 into an organoid precursor preparation area of a microfluidic system; the dispersed phase 1 being sheared by the dispersed phase 2 into uniform-sized organoid precursor droplets; the sheared organoid precursor droplets sequentially entering an organoid droplet curing area of the microfluidic system and being cured in the organoid droplet curing area to form organoid spheres; S6: a delivery pump of the microfluidic system conveying a first organoid sphere located in the organoid droplet curing area via a delivery channel of a 3D printing system to a printing nozzle of the 3D printing system.

Classes IPC  ?

• C12N 5/09 - Cellules tumorales
• C12N 5/071 - Cellules ou tissus de vertébrés, p.ex. cellules humaines ou tissus humains
• C12M 3/00 - Appareillage pour la culture de tissus, de cellules humaines, animales ou végétales, ou de virus
• C12M 1/36 - Appareillage pour l'enzymologie ou la microbiologie comportant une commande sensible au temps ou aux conditions du milieu, p.ex. fermenteurs commandés automatiquement

Abrégé

A high-throughput organoid printing and culturing method, comprising the following steps: S2, wrapping cells in a dispersed phase 1; S4, respectively injecting the dispersed phase 1 wrapped with the cells and a dispersed phase 2 into an organoid precursor preparation area of a microfluidic system, wherein the dispersed phase 1 is sheared by the dispersed phase 2 into organoid precursor droplets having a uniform size, and the sheared organoid precursor droplets can sequentially enter an organoid droplet curing area of the microfluidic system and can be cured into organoid spheres in the organoid droplet curing area; S6, a conveying pump of the microfluidic system conveying a first organoid sphere in the organoid droplet curing area to a printing head of a 3D printing system via a conveying pipeline of the 3D printing system; S8, an organoid recognition detection unit of the 3D printing system detecting whether there is an organoid sphere at the printing head.

Classes IPC  ?

• C12M 1/36 - Appareillage pour l'enzymologie ou la microbiologie comportant une commande sensible au temps ou aux conditions du milieu, p.ex. fermenteurs commandés automatiquement
• C12M 3/00 - Appareillage pour la culture de tissus, de cellules humaines, animales ou végétales, ou de virus
• C12N 5/09 - Cellules tumorales

Abrégé

Disclosed in the present invention is a multifunctional protection device for a pipeline in a nuclear power plant, the multifunctional protection device comprising an inner pressure bearing layer sleeved on the periphery of the pipeline for positioning and fixing the pipeline. The multifunctional protection device for a pipeline in a nuclear power plant is provided with a buffer layer, an absorption layer and an outer pressure bearing layer connected in sequence from inside to outside with the inner pressure bearing layer as the center, wherein the buffer layer comprises several hollow pipe bundle layers, the several hollow pipe bundle layers being connected around the inner pressure bearing layer to form the buffer layer; the absorption layer comprises several multi-gap portions which are mutually and alternately arranged, several small absorption layer pores being provided on each multi-gap portion; and the outer pressure bearing layer is arranged on the outermost layer of the multifunctional protection device for a pipeline in a nuclear power plant and is used for providing rigid support and preventing leakage in the pipeline . The multifunctional protection device can solve the problems of earthquake resistance, fracture and shock, thermal insulation and quantitative monitoring of medium leakage of an important pipeline in a nuclear power plant, and can replace a damper, an anti-shock limiting member, an anti-jet baffle, a liquid level monitoring device for a pit, etc., to ensure nuclear safety, optimize the design scheme, and reduce the economic cost of dealing with the problems in nuclear power engineering.

Classes IPC  ?

• F16L 57/02 - Protection des tuyaux ou d'objets de forme similaire contre les dommages ou les usures internes ou externes contre la fissuration ou le flambement
• G21D 1/00 - ENSEMBLES DE PRODUCTION D'ÉNERGIE NUCLÉAIRE - Détails des installations à énergie nucléaire

Abrégé

A method for designing a catadioptric immobile reverse telephoto zoom system. The method comprises the following steps: calculating Gaussian structural solutions of four components of a reverse telephoto-type immobile zoom system based on dual variable elements (S1); establishing a component design optimization method for a nonlinear evaluation function, which characterizes aberration characteristics of the components and first-order parameters on the basis of multiple structures, and solving and screening an optimal apochromatic lens group structure (S2); and on the basis of the aberration characteristic law of an off-axis catadioptric system, designing high-order surface shape balance optimization under the structural distribution of an off-axis catadioptric zoom system (S3). The method solves the problems of a cumbersome and time-consuming subsequent calculation process, low optimization potential, and difficult installation and adjustment of an optical axis.

Classes IPC  ?

• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

Disclosed in the present application is an information verification method. The method comprises: acquiring a fluorescence signal, wherein the fluorescence signal is an electrical signal, which is generated on the basis of a plurality of fluorescent light spots, and the fluorescence signal includes a plurality of pulse signals; on the basis of a preset amplitude threshold value and the amplitude of each pulse signal, determining an information symbol corresponding to each pulse signal; obtaining an information sequence according to the information symbol corresponding to each pulse signal; and obtaining a verification result regarding the information sequence according to a first number of pulse signals between any two pulse signals among the plurality of pulse signals and according to a time interval between any two pulse signals. By means of the method, it is possible to solve the problem in existing technical fields, such as that of optical discs, of a traditional information readout mode being likely to result in a deviation in a readout signal due to instabilities or jitter in a time sequence, thereby resulting in an error in information content corresponding to the readout signal.

Classes IPC  ?

• G11B 7/24097 - Structures de détection, de commande, d’enregistrement ou permettant de rejouer; Formes ou structures spéciales de centrage ou pour empêcher le décentrage ; Dispositions de test, d’inspection ou d’évaluation; Réceptacles, cartouches ou cassettes

Abrégé

xyzz and z directions. The beam L2-2 and the beam L2-3 respectively enter reference code channels via an X-direction mask and a Y-direction mask. The masks have the same code as the reference code channels, and when being aligned with the code channels, the masks generate a negative pulse, so as to mark a zero position. Beams which are generated by the diffraction of the beam L2-1 and beams which are generated by the beam L1 at a two-dimensional reference grating (3) generate an interference phenomenon, and are received by an absolute two-degrees-of-freedom measurement module (30), phase changes in an x direction and a y direction are analyzed to obtain displacement increment information, and an absolute pose thereof is obtained by means of coupling a mark of the negative pulse.

Classes IPC  ?

• G01D 5/38 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c. à d. utilisant de la lumière infrarouge, visible ou ultraviolette avec atténuation ou obturation complète ou partielle des rayons lumineux les rayons lumineux étant détectés par des cellules photo-électriques formant la lumière en impulsions par réseaux de diffraction

Abrégé

An encoded illumination real-time focusing scanning imaging device includes an LED array, an object stage, an objective lens, a liquid lens, a lens sleeve, and a camera. The object stage is used for placing a sample, the LED array is used for emitting bright field light or encoded light, and the bright field light or the encoded light respectively penetrates through the sample and then successively passes through the objective lens, the liquid lens, and the lens sleeve to reach the camera to shoot a bright field image or an encoded light illumination image by the camera. The present invention also discloses an encoded illumination real-time focusing scanning imaging method, which is performed by using the above-mentioned device. The present invention enables fast and accurate focusing at a low cost.

Classes IPC  ?

• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
• H04N 23/74 - Circuits de compensation de la variation de luminosité dans la scène en influençant la luminosité de la scène à l'aide de moyens d'éclairage
• G02B 7/09 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles avec mécanisme de mise au point ou pour faire varier le grossissement adaptés pour la mise au point automatique ou pour faire varier le grossissement de façon automatique
• H01L 27/15 - Dispositifs consistant en une pluralité de composants semi-conducteurs ou d'autres composants à l'état solide formés dans ou sur un substrat commun comprenant des composants semi-conducteurs avec au moins une barrière de potentiel ou une barrière de surface, spécialement adaptés pour l'émission de lumière
• G06T 7/269 - Analyse du mouvement utilisant des procédés basé sur le gradient

Abrégé

Disclosed is an arbitrarily tailorable electrochromic device and use thereof, wherein the electrochromic device includes in order of a first transparent flexible substrate, a first transparent electron-conductive layer, an electrochromic layer, an electrolyte solution with automatically curable in presence of air and/or moisture to achieve a self-encapsulation function, an ion storage layer, a second transparent electron-conductive layer and a second transparent flexible substrate. The electrochromic device of the present disclosure is arbitrarily tailorable and can be used in various applications.

Classes IPC  ?

• G02F 1/153 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p.ex. commutation, ouverture de porte ou modulation; Optique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur un effet électrochromique - Détails de construction
• G02F 1/1506 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p.ex. commutation, ouverture de porte ou modulation; Optique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur un effet électrochromique basés sur l’électrodéposition, p.ex. la déposition électrolytique d’un matériau inorganique sur une électrode ou près d’une électrode
• G02F 1/1523 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p.ex. commutation, ouverture de porte ou modulation; Optique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur un effet électrochromique caractérisés par le matériau électrochromique, p.ex. par le matériau électro-déposé comprenant un matériau inorganique
• G02F 1/157 - Association structurelle des cellules avec des dispositifs optiques, p.ex. des réflecteurs ou des dispositifs d’éclairage

Abrégé

An image processing method and apparatus, a remote control device, a system, and a storage medium. The image processing method comprises: after a compressed video stream is decompressed, acquiring a decompressed frame to be processed and quantization parameters generated in a compression process and related to the frame to be processed; and according to the quantization parameters, restoring the frame to be processed, so as to obtain a first target frame, wherein the image quality of the first target frame is higher than that of the frame to be processed. The quantization parameters generated in the compression process are introduced into a process of restoring the frame to be processed, and may can reflect the degree of degradation in the compression process of the frame to be processed, so that the restoration process of the frame to be processed can be well guided by means of using the quantization parameters, thus enhancing a restoration effect and improving image quality.

Classes IPC  ?

• H04N 19/124 - Quantification

Abrégé

An image processing method and apparatus, a remote control device, a system, and a storage medium. The image processing method comprises: after decompressing a compressed video stream, obtaining decompressed frames to be processed, at least one reference frame of the frames to be processed, and motion vectors between the reference frame and the frames to be processed generated during compression; and performing reconstruction on the frames to be processed according to at least one of the motion vectors and at least one of reference frame to obtain target frames, wherein the image quality of the target frames is higher than the image quality of the frames to be processed. Motion vectors are used as guidance, and a reference frame is fully utilized to supplement information for the reconstruction of frames to be processed, and thereby target frames having higher image quality than the frames to be processed can be obtained.

Classes IPC  ?

• H04N 19/61 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée combiné avec un codage prédictif

Abrégé

i. Transmitting the video sub-segments through multiple periodic broadcasting channels with an equal bandwidth.

Classes IPC  ?

• H04N 21/2343 - Traitement de flux vidéo élémentaires, p.ex. raccordement de flux vidéo ou transformation de graphes de scènes MPEG-4 impliquant des opérations de reformatage de signaux vidéo pour la distribution ou la mise en conformité avec les requêtes des utilisateurs finaux ou les exigences des dispositifs des utilisateurs finaux
• H04N 21/239 - Interfaçage de la voie montante du réseau de transmission, p.ex. établissement de priorité des requêtes de clients
• H04N 21/24 - Surveillance de procédés ou de ressources, p.ex. surveillance de la charge du serveur, de la bande passante disponible ou des requêtes effectuées sur la voie montante
• H04N 21/2662 - Contrôle de la complexité du flux vidéo, p.ex. en mettant à l'échelle la résolution ou le débit binaire du flux vidéo en fonction des capacités du client
• H04N 21/4402 - Traitement de flux élémentaires vidéo, p.ex. raccordement d'un clip vidéo récupéré d'un stockage local avec un flux vidéo en entrée ou rendu de scènes selon des graphes de scène MPEG-4 impliquant des opérations de reformatage de signaux vidéo pour la redistribution domestique, le stockage ou l'affichage en temps réel
• H04N 21/845 - Structuration du contenu, p.ex. décomposition du contenu en segments temporels

Abrégé

A method for preparing a terpolymer, the method comprising: S1, weighing three monomers, i.e. vinyl caprolactam, vinyl pyrrolidone and vinyl acetate, and an initiator and a solvent in proportion, adding same into a container and starting nitrogen protection; S2, starting condensate water and magnetic stirring, and reacting the mixture in an oil bath at 60ºC-90ºC for 5-10 hours; S3, turning off the oil bath and the magnetic stirring, and after the reaction mixture is cooled to room temperature, evaporating same under reduced pressure to remove the solvent to obtain a precipitate; and S4, washing the precipitate with an organic solvent, filtering same under reduced pressure, and vacuum-drying same to obtain a terpolymer. Compared with the commercial inhibitor Inhibex 501, the terpolymer prepared by free radical polymerization of the three monomers, i.e. vinyl caprolactam, vinyl pyrrolidone and vinyl acetate, in a specific mass ratio can have an excellent inhibition effect on methane propane hydrate under the condition of having high resistance to supercooling; and the gas consumption thereof is much lower than PVP and PVCap after a continuous reaction for 12 hours, and has a significantly improved inhibition effect.

Classes IPC  ?

• C08F 226/06 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par une liaison simple ou double à l'azote ou par un hétérocyc par un hétérocycle contenant de l'azote
• C08F 226/10 - N-Vinylpyrrolidone
• C08F 218/08 - Acétate de vinyle
• C07C 9/04 - Méthane
• C07C 9/08 - Propane
• C07C 7/20 - Emploi d'additifs, p.ex. pour la stabilisation
• A61K 8/81 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons insaturées carbone-carbone
• A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p.ex. carbomères
• A61Q 5/06 - Préparations pour mettre les cheveux en forme, p.ex. pour mettre en forme ou colorer temporairement

Abrégé

A microfluidic chip, a microfluidic chip-based detection system, and a method for detecting bacteria. The microfluidic chip is composed of a substrate and a cover sheet bonded together, wherein the cover sheet is provided with a mixing microchannel (1) and a reaction microchannel (2); the mixing microchannel (1) and the reaction microchannel (2) are connected to each other; the reaction microchannel (2) has a microcolumn array (3) therein; and the microcolumn is modified with hairpin oligonucleotide 1. According to the detection method, a catalyzed hairpin self-assembly reaction of two hairpin oligonucleotides (H1, H2) is initiated by means of the competitive binding of pathogenic bacteria, wherein the reaction not only amplifies the concentration of the pathogenic bacteria, but also immobilizes horseradish peroxidase on the microcolumn array, thereby catalyzing a chemiluminescence reaction of luminol and hydrogen peroxide; and the pathogenic bacteria are quantified by means of the signal intensity of the chemical reaction. The detection method has a good specificity, a low detection limit and a wide linear range, providing more accurate data for quantitative detection of food-borne pathogenic bacteria.

Classes IPC  ?

• G01N 33/569 - Tests immunologiques; Tests faisant intervenir la formation de liaisons biospécifiques; Matériaux à cet effet pour micro-organismes, p.ex. protozoaires, bactéries, virus
• G01N 33/543 - Tests immunologiques; Tests faisant intervenir la formation de liaisons biospécifiques; Matériaux à cet effet avec un support insoluble pour l'immobilisation de composés immunochimiques
• G01N 21/76 - Chimioluminescence; Bioluminescence

Abrégé

Disclosed in the present application are a plasma-assisted ceramic sintering device and a ceramic sintering method. The plasma-assisted ceramic sintering device comprises: a closed container for containing a ceramic green body, the closed container being provided with a gas outlet; a plasma jet device comprising a working power supply and a plasma generating chamber, wherein the plasma generating chamber is provided with a gas input port and a gas output port, the gas output port is located in the closed container, a working electrode is arranged in the plasma generating chamber, the working electrode is provided with a first end and a second end, the first end is electrically connected to the working power supply, and the second end is close to the gas output port; a gas output device in communication with the gas input port and configured to input a working gas into the plasma generating chamber; and a power supply device configured to be electrically connected to the ceramic green body to apply a voltage to the ceramic green body for sintering to obtain a ceramic. The sintering device provided in the present application can provide plasma-assisted sintering, so as to better optimize the performance of ceramic materials.

Classes IPC  ?

• B22F 3/10 - Frittage seul
• C04B 35/64 - Procédés de cuisson ou de frittage
• F27D 7/02 - Alimentation en vapeur d'eau, en gaz ou en liquides
• F27D 11/10 - Disposition des électrodes

Abrégé

A speech enhancement method, an electronic device, a program product, and a computer-readable storage medium. The method comprises: acquiring a plurality of different spectrograms of a speech signal to be denoised (202); respectively acquiring a weighted spectrogram of each spectrogram by using an attention network which corresponds to each spectrogram (204), wherein an attention mechanism is used during the training of the attention network, such that the attention network allocates weights to sub-bands of the spectrogram by means of pre-learned degrees of influence of different sub-bands in the spectrogram on speech and noise distinguishing; acquiring spectrum information of the plurality of sub-bands by using a weighted spectrogram which carries amplitude information (206); acquiring full-band spectrum information of each weighted spectrogram (208); and after a time-frequency mask is predicted by using the spectrum information of the plurality of sub-bands and the full-band spectrum information of each weighted spectrogram, denoising said speech signal (210).

Classes IPC  ?

• G10L 21/0208 - Filtration du bruit
• G10L 21/0224 - Traitement dans le domaine temporel

Abrégé

Provided in the present application are a method for predicting a prosodic structure, and an electronic device, a program product and a storage medium. The method comprises: acquiring a character feature of each character in each sentence, a sentence feature of each sentence and a context feature of text data, wherein the character feature represents influences of other characters in the sentence on the prosodic structure of the character, the sentence feature comprises overall semantic information of the sentence, and the context feature comprises semantic information of the entire text data; and for each sentence, predicting the prosodic structure of the sentence by using the character feature of each character of the sentence, the sentence feature of the sentence, and the context feature. During the prediction of the prosodic structure of a sentence, the prediction is performed by using the assistance of various types of information, and these different levels of information comprise context information, such that the prediction accuracy of the prosodic structure of the sentence can be greatly improved.

Classes IPC  ?

• G10L 13/10 - Règles de prosodie dérivées du texte; Intonation ou accent tonique

Abrégé

Provided in the present application are an audio synthesis method, an electronic device, a program product and a storage medium. During an audio synthesis process, an acoustic feature and a speaking style feature are extracted from each sentence, wherein the speaking style feature is determined on the basis of a paragraph feature of text data where the sentence is located; the paragraph feature is extracted from sentence features of sentences on the basis of the contribution of each sentence in the text data to a speaking style; and the sentence features are obtained on the basis of the contribution of each word in the sentences to the speaking style. On the basis of the acoustic feature and speaking style feature of a target sentence, audio data is synthesized by the target sentence. In this way, an extracted speaking style feature of a target sentence carries contribution information of each word in the target sentence to a speaking style of the sentence, and contribution information of other sentences in the context to the speaking style. Audio that is synthesized by using an acoustic feature of a sentence and a speaking style feature of the sentence has a better expressiveness, thereby enriching the expression effects of the synthesized audio.

Classes IPC  ?

• G10L 13/00 - Synthèse de la parole; Systèmes de synthèse de la parole à partir de texte

Abrégé

The present application provides an audio conversion method, an electronic device, a program product, and a storage medium. The method comprises: obtaining source audio data, the source audio data carrying source timbre information, rhythm information and content information of a sound source; using a first speech recognition system to extract a rhythm feature in the source audio data that represents the rhythm information; using a second speech recognition system to extract a content feature in the source audio data that represents the content information; the first speech recognition system and the second speech recognition system having the same structure and being respectively obtained by using different loss functions through training; and mixing the rhythm feature and the content feature, then converting, by a speech conversion system carrying target timbre information, same into target audio data carrying the target timbre information. During conversion, the rhythm information of the source audio data is preserved and the source timbre information is removed, such that a target audio can have high naturalness and have a high similarity to a target timbre.

Classes IPC  ?

• G10L 19/16 - Architecture de vocodeur

Abrégé

A porous material comprises a porous material substrate and nanostructure arrays that are in-situ grown on the porous material substrate; wherein a surface modification layer is arranged on the surface of the nanoarrays, and the surface modification layer is configured to increase the adhesion force between the nanoarrays and the microbes. The porous material is applied to disinfection, which comprises the steps: The porous material with the surface-modified nanoarrays is placed in flowing water, the water flow passes through the gaps of the nanoarrays in a shuttling mode, and in the shuttling flowing process, microbes come into contact with the nanoarrays. The microbes are torn up through the hydrodynamic force and the adhesion force between the nanoarrays and the microbes, so that the microbes are physically ruptured to achieve disinfection.

Classes IPC  ?

• C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
• B01D 69/14 - Membranes dynamiques

Abrégé

A method for achieving sintering of ceramics at room temperature is disclosed. The method includes steps of: providing ceramic green body; placing the ceramic green body into a sealed container containing water vapor to cause the ceramic green body to soak up the water vapor to obtain an aqueous ceramic green body; removing the aqueous ceramic green body from the sealed container, and connecting a power supply to the aqueous ceramic green body; applying a voltage to the aqueous ceramic green body; and increasing the voltage to a predetermined voltage value to cause a surface discharge or an internal discharge to occur on the aqueous ceramic green body, and stopping the power supply after a predetermined time, thereby obtaining a ceramic. A ceramic formed by the method is also disclosed.

Classes IPC  ?

• C04B 35/64 - Procédés de cuisson ou de frittage

Abrégé

A method for configuration optimization of a polarizer and a polarization analyzer, and a polarization and polarization analysis system. The method for configuration optimization of a polarizer and a polarization analyzer comprises the following step: adjusting an instrument matrix W of a polarizer and an instrument matrix A of a polarization analyzer to minimize an equal weight variance (EWV) of the instrument matrices of the polarizer and the polarization analyzer, so as to realize optimization for Gaussian noise, wherein the sum in each line of the instrument matrix W of the polarizer and the instrument matrix A of the polarization analyzer is 0, such that an estimated variance caused by Poisson noise is independent of a sample, and the estimated variance reaches the minimum value. By means of the method for configuration optimization of a polarizer and a polarization analyzer, noise can be suppressed to the greatest extent, and the rule of the noise is independent of a sample, such that no matter which type of sample is measured, the noise distribution rule is the same.

Classes IPC  ?

• G01N 21/21 - Propriétés affectant la polarisation
• G01N 21/01 - Dispositions ou appareils pour faciliter la recherche optique

Abrégé

Disclosed in the present invention are a porous material having a surface-modified nanostructure array and an application thereof. The porous material comprises a porous material substrate and a nanostructure array constructed in situ on the porous material substrate, wherein a surface modification layer is provided on the surface of a nanostructure of the nanostructure array, and the surface modification layer is configured to increase the adhesive force of the nanostructure to microorganisms. The porous material is applied to disinfection, and comprises: the porous material having the surface-modified nanostructure array is placed in a flowing fluid, such that the fluid shuttles through a gap of the nanostructure array in a filter-type flow state, and in the shuttle flow process, the microorganism is in contact with the nanostructure, and the flow field force generated by the fluid and the adhesive force of the nanostructure on the microorganism tear the microorganism such that the microorganism is physically broken to achieve disinfection.

Classes IPC  ?

• A01N 25/24 - Biocides, produits repoussant ou attirant les animaux nuisibles, ou régulateurs de croissance des végétaux, caractérisés par leurs formes, ingrédients inactifs ou modes d'application; Substances réduisant les effets nocifs des ingrédients actifs vis-à-vis d'organismes autres que les animaux nuisibles contenant des ingrédients augmentant l'adhérence des ingrédients actifs
• A01N 59/20 - Cuivre
• A01N 59/16 - Métaux lourds; Leurs composés
• A01P 1/00 - Désinfectants; Composés antimicrobiens ou leurs mélanges

Abrégé

The present application provides an information transmission method and a related device thereof. The present application can effectively avoid the collision between requests, and does not cause loss of the requests, thereby facilitating improving the stability of data transmission between servers. The method of the present application is applied to a cloud service system. The cloud service system comprises an arbiter, a first switch, and a first server group. The arbiter is connected to the first server group by means of the first switch. Different servers in the first server group have different identifiers. The method comprises: a first server obtains a first identifier of the first server in the first server group; the first server determines, in a first time slot, a first time domain position corresponding to the first identifier, the first time domain position being a time domain position at which the first switch receives a first request to be processed by the arbiter, and different identifiers corresponding to different time domain positions in the first time slot; and the first server sends the first request to the first switch according to the first time domain position.

Classes IPC  ?

• H04L 65/00 - Dispositions, protocoles ou services dans les réseaux de communication de paquets de données pour prendre en charge les applications en temps réel

Abrégé

Provided in the embodiments of the present disclosure are a data writing method for a multi-layer recording medium, and a read-write apparatus therefor. The multi-layer recording medium at least comprises a first recording layer and a second recording layer. The method comprises: writing data into a second recording layer by using data writing light, wherein light, which is incident into a first recording layer in which data has been written, is taken as servo light of the data writing light. The data writing method in the present disclosure provides the concept of taking light, which is incident into a previous recording layer in which data has been written, as servo light, which helps to simplify a servo solution, and by means of the method, rapid reading and writing of a recording medium having more storage layers can be realized.

Classes IPC  ?

• G11B 7/24035 - Couches d’enregistrement
• G11B 7/24056 - Couches de transmission de la lumière placées du côté de l’entrée de la lumière et plus minces que le substrat, p.ex. spécialement adaptées pour les disques "Blu-ray"®
• G11B 7/24065 - Couches contribuant à l’enregistrement ou la reproduction sous la limite de diffraction optique, p.ex. couches ou structures en optique non linéaire

Abrégé

A defect detection method and apparatus based on a structured light field video stream, the method comprising: A1: constructing a detection apparatus comprising an active encoding structured light source and a light field vision sensor; A2: using a white image to calibrate the light field vision sensor and, on the basis of the calibration result, decoding the structured light field video stream acquired by the light field vision sensor to obtain a real-time microlens image video stream; A3: performing motion correction, greyscale correction, and region-of-interest correction on the real-time microlens image video stream to calculate inter-frame similarity, and establishing a local defect detection result for the microlens; and A4: using the spatial domain and time domain correlation of the light field video, counting the distribution of defect features on an adjacent micro lens to obtain a structured light field video defect detection result; structured light encoding technology and light field imaging technology are combined to capture in a higher dimension the geometric distortion of an encoding pattern caused by surface defects in the light field video stream, thereby improving the accuracy and stability of machine vision defect detection.

Classes IPC  ?

• G01N 21/956 - Inspection de motifs sur la surface d'objets
• G01N 21/88 - Recherche de la présence de criques, de défauts ou de souillures
• G06T 7/00 - Analyse d'image

Abrégé

Provided in the present invention is a biomicrosphere printer. The biomicrosphere printer comprises a preparation module, a curing module, a printing module, a scanning module and a control module. The preparation module is used to prepare micro-droplets, and the micro-droplets are cured and molded in the curing module, so as to form biomicrospheres. The printing module comprises a print head and a displacement mechanism. The scanning module collects image information of an area to be printed. The control module turns on the print head and turns off the print head and drives the displacement mechanism according to the image information collected by the scanning module. According to the biomicrosphere printer provided in the present invention, an area to be printed is scanned and identified by means of a scanning module, and each biomicrosphere is then accurately printed onto an appropriate position according to the result of analysis, by a control module, of image information, so as to repair wounds. The biomicrosphere printer has a high printing precision.

Classes IPC  ?

• B29C 64/20 - Fabrication additive, c. à d. fabrication d’objets en trois dimensions [3D] par dépôt additif, agglomération additive ou stratification additive, p.ex. par impression en 3D, stéréolithographie ou frittage laser sélectif - Détails ou accessoires à cet effet
• B29C 64/112 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p.ex. dépôt d’un cordon continu de matériau visqueux utilisant des gouttelettes individuelles, p.ex. de buses de jet
• B29C 64/209 - Têtes; Buses
• B29C 64/295 - Fabrication additive, c. à d. fabrication d’objets en trois dimensions [3D] par dépôt additif, agglomération additive ou stratification additive, p.ex. par impression en 3D, stéréolithographie ou frittage laser sélectif - Détails ou accessoires à cet effet Éléments de chauffage
• A61M 35/00 - Dispositifs pour appliquer des agents, p.ex. des remèdes, sur le corps humain
• C12M 3/00 - Appareillage pour la culture de tissus, de cellules humaines, animales ou végétales, ou de virus
• B33Y 30/00 - Appareils pour la fabrication additive; Leurs parties constitutives ou accessoires à cet effet

Abrégé

Relating to skin microspheres, a preparation method therefor, and an application thereof. Skin microspheres are provided. The skin microspheres comprise: dermal cell microspheres, the dermal cell microspheres comprising dermal cells which have a first signal pathway activity reporting system; an epidermal layer, which covers the surface of the dermal cell microspheres, and which comprise epidermal cells, the epidermal cells having a second signal pathway activity reporting system. The skin microspheres have at least the following beneficial effects: the skin microspheres employ a composite double-layer structure formed by wrapping an inner core formed from dermal cells and an outer layer of epidermal cells, thereby more closely simulating the skin structure of a human body. Furthermore, the inner core and outer shell each carry a signal pathway activity reporting system, such that the skin microspheres can promptly respond to the effect of a sample to be tested, thereby detecting the effect of the sample on the epidermal layer and/or dermal layer.

Classes IPC  ?

• C12N 5/071 - Cellules ou tissus de vertébrés, p.ex. cellules humaines ou tissus humains
• C12Q 1/02 - Procédés de mesure ou de test faisant intervenir des enzymes, des acides nucléiques ou des micro-organismes; Compositions à cet effet; Procédés pour préparer ces compositions faisant intervenir des micro-organismes viables

Abrégé

Provided are a high-migration mesenchymal stem cell, and a preparation method therefor and an application thereof. The preparation method comprises: inoculating and suspending mesenchymal stem cells in a mesenchymal stem cell culture solution, carrying out flowing liquid culture in a cell culture roller bottle or a stirred fermentation tank without adding a microcarrier in the culture process, collecting cell spheroids after culture is finished, washing and digesting to form single cells to obtain high-migration mesenchymal stem cells. The high-migration mesenchymal stem cells prepared have a small size, an average diameter of 11-14 μm, an expression level of CXCR4 on the cell surfaces up to 30% or above, and a strong cell migration ability, and can basically prevent retention in lungs when being intravenously injected, and the number of the mesenchymal stem cells reaching ischemic myocardium is remarkably increased.

Classes IPC  ?

• C12N 5/0775 - Cellules souches mésenchymateuses; Cellules souches dérivées du tissu adipeux
• A61K 35/28 - Moelle osseuse; Cellules souches hématopoïétiques; Cellules souches mésenchymateuses de toutes origines, p.ex. cellules souches dérivées de tissu adipeux
• A61P 9/10 - Médicaments pour le traitement des troubles du système cardiovasculaire des maladies ischémiques ou athéroscléreuses, p.ex. médicaments antiangineux, vasodilatateurs coronariens, médicaments pour le traitement de l'infarctus du myocarde, de la rétinopathie, de l'insuffisance cérébro-vasculaire, de l'artériosclérose rénal
• A61P 25/28 - Médicaments pour le traitement des troubles du système nerveux des troubles dégénératifs du système nerveux central, p.ex. agents nootropes, activateurs de la cognition, médicaments pour traiter la maladie d'Alzheimer ou d'autres formes de démence
• A61P 29/00 - Agents analgésiques, antipyrétiques ou anti-inflammatoires non centraux, p.ex. agents antirhumatismaux; Médicaments anti-inflammatoires non stéroïdiens [AINS]
• A61P 37/02 - Immunomodulateurs
• A61P 37/06 - Immunosuppresseurs, p.ex. médicaments pour le traitement du rejet de greffe
• A61P 43/00 - Médicaments pour des utilisations spécifiques, non prévus dans les groupes

Abrégé

maxminEl1El2APCiEdsCoCo; and (4) establishing a soft measurement model of the purity of the phosphorus recovery product by using a non-linear partial least squares (NLPLS) method. For the new phosphorus recovery product, predictive analysis is performed on the purity of the product by using the NLPLS model, and the model is updated by using the new predictive analysis data. The present invention provides a fast, simple and accurate method for purity determination of phosphorus recovery products.

Classes IPC  ?

• G06T 7/00 - Analyse d'image

Abrégé

A water-surface robot, comprising a housing (100), a supporting assembly (200), and driving assemblies (300). The housing (100) is spherical; the supporting assembly (200) comprises a supporting member (210) and rollers (220); the rollers (220) are mounted on outer ends of the supporting member (210); the rollers (220) are all in contact with the inner wall of the housing (100) and capable of rolling with respect to the inner wall of the housing (100); driving elements (310) are connected to driving wheels (320) and used for driving the driving wheels (320) to rotate; the driving wheels (320) make contact with the inner wall of the housing (100), and drive the housing (100) to rotate, such that the housing (100) moves with respect to a water surface. The centers of gravity of the driving assemblies (300) and the supporting assembly (200) are changed with respect to the housing (100) by means of the rotation of the driving wheels (320), such that the housing (100) is enabled to roll; the rollers (220) at end portions of the supporting member (210) are always in contact with the inner wall of the housing (100), such that the housing (100) remains balanced while traveling forward, thereby improving the stability of the housing (100) in a traveling process.

Classes IPC  ?

• B63B 22/00 - Coffres d'amarrage ou bouées
• B63B 22/24 - Coffres d'amarrage ou bouées de type conteneur, c. à d. comportant des dispositions pour l'entreposage du matériel
• B63H 19/00 - Propulsion marine non prévue ailleurs
• B63H 21/17 - Aménagements de l'appareil moteur de propulsion ou de certains de ses éléments pour utilisation à bord des navires le navire étant actionné par moteurs par moteur électrique
• B25J 5/00 - Manipulateurs montés sur roues ou sur support mobile

Abrégé

A high-resolution spectral image fast acquisition apparatus comprises an illumination source, an objective lens, a beam splitter, a single shot spectral image acquisition assembly and a reference image acquisition assembly, wherein the objective lens is used to align a sample to be measured; the illumination source is used to project an illumination light onto the sample to be measured so that the sample to be measured is amplified by the objective lens; wherein one part of amplified light enters the single shot spectral image acquisition assembly so as to acquire a low-resolution spectral cube of the sample to be measured, and another part of the amplified light enters the reference image acquisition assembly to acquire a high-resolution spectral cube. The apparatus enables rapid access to high-resolution spectral images, thereby speeding up the process of using spectral images for medical diagnosis.

Classes IPC  ?

• G01J 3/28 - Etude du spectre
• G01J 3/02 - Spectrométrie; Spectrophotométrie; Monochromateurs; Mesure de la couleur - Parties constitutives

Abrégé

Disclosed are a drug sensitivity prediction method, an electronic device and a computer-readable storage medium, which relate to the technical field of drug testing. The method comprises: acquiring gene sequencing data of training cancer cell tissue and drug feature data; pre-processing the gene sequencing data according to the drug feature data, so as to obtain gene sample data; performing verification processing according to the gene sample data and the drug feature data, so as to obtain a prediction model and a gene prediction list; and by means of the gene prediction list and the prediction model, performing drug sensitivity prediction on cancer cell tissue to be tested. Therefore, drug reaction prediction of a clinic patient can be quickly and precisely realized, thereby reducing prediction costs and time costs, and improving the drug effect prediction efficiency.

Classes IPC  ?

• G16B 30/00 - TIC spécialement adaptées à l’analyse de séquences impliquant des nucléotides ou des aminoacides

Abrégé

A wearable digital pulse diagnosis instrument, comprising three pulse diagnosis assemblies and a processing apparatus. Each pulse diagnosis assembly comprises a micro-pump, a micro-valve, an air bag, an air pressure sensor and a pulse sensor. The processing apparatus is connected to the micro-pump, the micro-valve, the air pressure sensor and the pulse sensor of each pulse diagnosis assembly; the micro-pump, the micro-valve and the air pressure sensor of each pulse diagnosis assembly are all in communication with the air bag, and the pulse sensor is fixed on the air bag; the air bag of each pulse diagnosis assembly is configured to be worn on different parts of a wrist in the length direction; each micro-pump inflates a corresponding air bag; the pulse sensor is pressed against the wrist by the air bag; the air pressure sensor feeds back, in real time, a pressure level to the processing apparatus; and the processing apparatus controls and adjusts the pressure according to the feedback and by controlling the micro-pump and the micro-valve, and measures a pulse in each path by means of each pulse sensor. The pulse diagnosis instrument can simultaneously realize separate controllable pressurization and separate pulse measurement of Cun, Guan and Chi, thereby realizing digital pulse diagnosis. In addition, the instrument has a small size and is wearable.

Classes IPC  ?

• A61B 5/0225 - Mesure de la pression dans le cœur ou dans les vaisseaux sanguins par application d'une pression pour fermer les vaisseaux sanguins, p.ex. contre la peau; Ophtalmodynamomètres la pression étant commandée par des signaux électriques, p.ex. dérivés des bruits de Korotkoff
• A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus

Abrégé

A pulse data classification model establishment apparatus, a classification and recognition apparatus and a measurement system. The classification and recognition apparatus comprises a computer program storage medium and a processing apparatus. When executing a computer program, the processing apparatus performs the following processes, comprising: acquiring pulse data; extracting feature points of the pulse data; calculating classification features according to the feature points of the extracted pulse data; and classifying the pulse data by using a trained classification model. By means of acquiring pulse feature points, the extraction of pulse features used for classification and the training of classification models, the rapid and automatic classification and recognition of pulse data can be achieved by using the trained classification model, and the disadvantages of existing pulse measurement apparatuses not being able to deeply analyze pulses can be overcome. The medical value of pulse signals is fully taken advantage of, and broad application prospects with respect to biometrics, pulse diagnosis in traditional Chinese medicine, etc. are provided.

Classes IPC  ?

• A61B 5/02 - Mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin; Détermination combinée du pouls, du rythme cardiaque, de la pression sanguine; Evaluation d'un état cardio-vasculaire non prévue ailleurs, p.ex. utilisant la combinaison de techniques prévues dans le présent groupe et des techniques d'électrocardiographie; Sondes cardiaques pour mesurer la pression sanguine
• A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
• A61B 5/0225 - Mesure de la pression dans le cœur ou dans les vaisseaux sanguins par application d'une pression pour fermer les vaisseaux sanguins, p.ex. contre la peau; Ophtalmodynamomètres la pression étant commandée par des signaux électriques, p.ex. dérivés des bruits de Korotkoff

Abrégé

A weak current amplifier circuit and a sensor system. The weak current amplifier circuit is provided with two stages of amplification structures and two stages of filtering structures, which are arranged in an intersecting manner and comprise a charge amplifier, a first-stage filter, a second-stage amplifier and a band-stop filter which are connected to one another. The charge amplifier converts a weak current into an amplified voltage and outputs same; the first-stage filter performs at least one of low-pass filtering, band-pass filtering and high-pass filtering on the voltage output by the charge amplifier; the second-stage amplifier executes a second-stage amplification process, and the second-stage amplifier is provided with a two-stage differential amplifier circuit, wherein a pre-stage amplifies a differential-mode input signal in an in-phase differential input manner, and serves the function of following a common-mode input signal, so as to increase the amplitude ratio of the differential-mode signal to the common-mode signal, which are sent to a post-stage; and the band-stop filter is used to filter out noise interference at the power frequency of 50 Hz. The weak current amplifier circuit overcomes the problems of a conventional amplifier circuit, such as strong noise, power frequency interference, output-end impedance mismatching, output saturation of an operational amplifier, etc.

Classes IPC  ?

• H03F 3/42 - Amplificateurs comportant plusieurs éléments amplificateurs ayant leurs circuits à courant continu en série avec la charge, l'électrode de commande de chaque élément étant excitée par au moins une partie du signal d'entrée, p.ex. amplificateurs dit "
• H03F 1/30 - Modifications des amplificateurs pour réduire l'influence des variations de la température ou de la tension d'alimentation

Abrégé

A multi-path fixed-point pressurising apparatus and a sensor system, the multi-path fixed-point pressurising apparatus comprising a processing apparatus, a multi-path fixed-point pressurising structure, and a plurality of pressure sensors (26), the multi-path fixed-point pressurising structure comprising a drive mechanism, a transmission mechanism, and a plurality of pressure output mechanisms, the drive mechanism being coupled to the plurality of pressure output mechanisms in a manner of individually controllable pressure output by means of the transmission mechanism, the plurality of pressure sensors (26) respectively being correspondingly arranged at the output ends of the plurality of pressure output mechanisms, and the processing apparatus being connected to the multi-path fixed-point pressurising structure and the plurality of pressure sensors (26) in order to control the pressure output by the pressure output mechanisms to be a corresponding set value on the basis of the feedback of the pressure sensors (26), so that, when used for blood pressure or pulse measurement, fixed-point pressurising of a corresponding human body part, particularly the wrist, can be implemented. The fixed-point pressurising apparatus has good prospects for application in the fields of digitised traditional Chinese medicine pulse diagnosis and wearable electronic sphygmomanometers.

Classes IPC  ?

• A61B 5/02 - Mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin; Détermination combinée du pouls, du rythme cardiaque, de la pression sanguine; Evaluation d'un état cardio-vasculaire non prévue ailleurs, p.ex. utilisant la combinaison de techniques prévues dans le présent groupe et des techniques d'électrocardiographie; Sondes cardiaques pour mesurer la pression sanguine
• A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
• A61B 5/021 - Mesure de la pression dans le cœur ou dans les vaisseaux sanguins

Abrégé

A pulse signal collection and measurement apparatus, comprising a computer program storage medium, a processing apparatus and a pulse sensor, wherein the pulse sensor is used for collecting pulse data; and the processing apparatus performs, when executing a computer program, the following processing: pre-processing the pulse data; extracting a systolic peak and a diastolic valley from the pulse data; extracting a reflection peak and a reflection valley from the pulse data; extracting a dicrotic peak and a dicrotic notch from the pulse data; and calculating a medical parameter according to extracted feature points. The pulse signal collection and measurement apparatus can conveniently and automatically extract a pulse feature point when in use, and can calculate a medical parameter according to the pulse feature point, so as to fully mine the medical application value of pulse data, and has wide application prospects in smart healthcare and clinical practice.

Classes IPC  ?

• A61B 5/02 - Mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin; Détermination combinée du pouls, du rythme cardiaque, de la pression sanguine; Evaluation d'un état cardio-vasculaire non prévue ailleurs, p.ex. utilisant la combinaison de techniques prévues dans le présent groupe et des techniques d'électrocardiographie; Sondes cardiaques pour mesurer la pression sanguine
• A61B 5/0225 - Mesure de la pression dans le cœur ou dans les vaisseaux sanguins par application d'une pression pour fermer les vaisseaux sanguins, p.ex. contre la peau; Ophtalmodynamomètres la pression étant commandée par des signaux électriques, p.ex. dérivés des bruits de Korotkoff
• A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus

Abrégé

Provided is a deep learning-based all-in-focus microscopic image acquiring method, comprising the following steps: 1) collecting a stack of bright field images by adjusting the axial position of an objective lens at each field of view position of a microsection; 2) according to the stack of bright field images, acquiring all-in-focus images of corresponding fields of view, and a depth matrix corresponding to each image of the stack of bright field images; and 3) training a deep learning network model by using acquired training data, and in each epoch of the training process, adding a physical model-based feedback part when calculating a loss function. After the network training is completed, an all-in-focus image can be quickly and accurately obtained by collecting a bright field image. By adding a physical feedback during the training of a deep learning model, the accuracy and generalization of the deep learning model are improved.

Classes IPC  ?

• G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales

Abrégé

Provided is a wave energy-based profiling observation device, comprising a floating body (100), a counterweight apparatus (200), a connecting apparatus (300), a load-bearing apparatus (400), a one-way apparatus (500), and a trigger apparatus, the connecting apparatus (300) being connected between the floating body (100) and the counterweight apparatus (200); the load-bearing apparatus (400) is movably connected to the connecting apparatus (300), and used for carrying sensors; the one-way apparatus (500) is connected to the load-bearing apparatus, and has a first state which enables the load-bearing apparatus (400) to move one way in a first direction, and a second state allowing the load-bearing apparatus (400) to move in a second, opposite direction; the trigger apparatus comprises a first trigger member (610) and a second trigger member (620), the first trigger member (610) and the second trigger member (620) being located at the two ends of the path of motion of the load-bearing apparatus (400), respectively; the one-way apparatus (500) can switch states in conjunction with the first trigger member (610) or the second trigger member (620). In the described measurement device, the load-bearing apparatus (400) has a reduced number of sensors, decreasing costs, and the sensors are capable of continuously obtaining observational data in the vertical direction, and spatial resolution is high.

Classes IPC  ?

• G01C 13/00 - Géodésie spécialement adaptée à l'eau libre, p.ex. à la mer, aux lacs, aux rivières ou aux canaux

Abrégé

A deep seawater pumping device using evaporation, comprising a buoyancy structure, a porous water-absorbing material-based surface evaporation body (1) provided on the buoyancy structure, a porous water-absorbing material-based lower water-absorbing body (4), and a deep-to-surface water-passing pipeline (6); the surface evaporation body (1) is provided above a sea surface (7) and comprises a suspending protrusion portion extending in a horizontal direction, the upper end of the lower water-absorbing body (4) is connected to the lower end of the surface evaporation body (1), the lower end of the lower water-absorbing body (4) is connected to an upper end opening of the deep-to-surface water-passing pipeline (6), and a lower end opening of the deep-to-surface water-passing pipeline (6) is in communication with a deep seawater region.

Classes IPC  ?

• F04F 3/00 - Pompes utilisant une pression négative agissant directement sur le liquide à pomper
• A01K 61/00 - NÉCESSITÉS COURANTES DE LA VIE ÉLEVAGE; CHASSE; PIÉGEAGE; PÊCHE ÉLEVAGE; AVICULTURE; APICULTURE; PISCICULTURE; PÊCHE; OBTENTION D'ANIMAUX, NON PRÉVUE AILLEURS; NOUVELLES RACES D'ANIMAUX Élevage des animaux aquatiques
• A01K 61/54 - NÉCESSITÉS COURANTES DE LA VIE ÉLEVAGE; CHASSE; PIÉGEAGE; PÊCHE ÉLEVAGE; AVICULTURE; APICULTURE; PISCICULTURE; PÊCHE; OBTENTION D'ANIMAUX, NON PRÉVUE AILLEURS; NOUVELLES RACES D'ANIMAUX Élevage des animaux aquatiques des coquillages des bivalves, p.ex. des huîtres ou des moules

Abrégé

Equipment for supplying oxygen to a seabed by wave energy, comprising a buoyancy structure (13), a wave-driven rotation mechanism, a rotation and linear reciprocating motion conversion mechanism, a reciprocating pump (4), a reservoir (11), and a sea surface water delivery pipeline (12). The wave-driven rotation mechanism is coupled to the rotation and linear reciprocating motion conversion mechanism, and an output end of the latter is coupled to a driving end of the reciprocating pump (4); the wave-driven rotation mechanism rotates under the driving of waves; the rotation and linear reciprocating motion conversion mechanism converts the rotation motion of the wave-driven rotation mechanism into linear reciprocating motion and drives the reciprocating pump (4); the reciprocating pump (4) is connected to a water inlet of the reservoir (11), and pumps high-oxygen sea surface water to the reservoir (11); the reservoir (11) is disposed at the sea surface and a water inlet of the water reservoir (11) is above the sea surface; the reservoir (11) is communicated with a seabed water area by means of the sea surface water delivery pipeline (12).

Classes IPC  ?

• A01K 63/04 - Agencements pour traiter l'eau spécialement conçus pour les récipients pour poissons vivants
• F03B 13/22 - Utilisation de l'écoulement de l'eau résultant du mouvement des vagues, p.ex. pour entraîner un moteur hydraulique ou une turbine

Abrégé

Provided are a freely cuttable electrochromic device and an application, the electrochromic device comprising, stacked in sequence, a first transparent flexible substrate (1), a first transparent electronic conductive layer (2), an electrochromic layer (3), an electrolyte which automatically cures when exposed to air and/or moisture and thus has an automatic packaging function (4), an ion storage layer (5), a second transparent electronic conductive layer (6), and a second transparent flexible substrate (7). In comparison with electrochromic devices prepared using solid-state electrolytes the response time is faster, and in comparison with electrochromic devices prepared using liquid-state electrolytes the reliability is better, significantly reducing the risk of liquid leakage; the invention can be freely cut as desired and can be used in different situations.

Classes IPC  ?

• G02F 1/1514 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p.ex. commutation, ouverture de porte ou modulation; Optique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur un effet électrochromique caractérisés par le matériau électrochromique, p.ex. par le matériau électro-déposé
• C08L 67/08 - Polyesters modifiés soit par des huiles d'acides gras supérieurs ou leurs acides, soit par des résines naturelles ou des acides résiniques
• C08K 3/24 - Acides; Leurs sels

Abrégé

Disclosed is an image descattering method based on iterative optimization of an atmospheric transmission matrix, including steps: S1, constructing a descattering model based on the atmospheric transmission matrix; S2, estimating a forward scattering coefficient q corresponding to a foggy day image B; S3, based on a depth map T of the foggy day image B and the forward scattering coefficient q obtained in the step S2, estimating an initial atmospheric transmission matrix A; and S4, substituting the estimated initial atmospheric transmission matrix A into the descattering model in the step S1, and performing iterative update under a constraint condition, until a value of the descattering model satisfies a convergence condition, to obtain an optimal atmospheric transmission matrix A* and an optimal descattered image X*. The image descattering method based on the iterative optimization of the atmospheric transmission matrix provided by the present application is based on the atmospheric transmission matrix.

Classes IPC  ?

• G06T 5/00 - Amélioration ou restauration d'image
• G06T 5/50 - Amélioration ou restauration d'image en utilisant plusieurs images, p.ex. moyenne, soustraction
• G06T 5/73 - Élimination des flous; Accentuation de la netteté
• G06T 7/521 - Récupération de la profondeur ou de la forme à partir de la projection de lumière structurée

Abrégé

A pump-jet vector-propelled underwater vehicle, comprising a central power pump, a plurality of water outlets arranged in a set orientation of the underwater vehicle, power valves that match the water outlets, and ducts that correspondingly communicate with the central power pump and the water outlets. The central power pump pumps water from the outside and sends the water to the plurality of water outlets. By means of selectively controlling the opening and closing of the power valves of the water outlets, water is sprayed out from the corresponding water outlets according to the set orientation, and the navigation and attitude of the underwater vehicle are thus controlled. When the underwater vehicle of the present invention navigates underwater, noise and vibration are low, the power is strong, and the energy utilization rate is relatively high. Meanwhile, due to the arrangement of the outlets of multiple pump-jet propellers, the attitude change of the whole vehicle is more flexible, and a vector propelling effect is achieved. Propulsion power is concentrated on a single degree of freedom for output, so that maneuvering properties may be greatly improved. In addition, the structure is simpler than that of traditional vector thrusters, and the reliability is improved.

Classes IPC  ?

• B63G 8/08 - Propulsion
• B63G 8/14 - Commande de l'assiette ou de la profondeur
• B63H 11/04 - Propulsion marine par hydrojets le fluide propulsif étant constitué par l'eau ambiante au moyen de pompes

Abrégé

A high-zoom-ratio non-dynamic zoom imaging method using a deformation device, comprising the following steps: S1: using a Gaussian bracket method to establish a zoom equation of a non-dynamic zoom system having the deformation device, and according to the zoom equation, extracting key parameters capable of determining the zoom ratio of the non-dynamic zoom system; S2: calculating initial-order aberration parameters of the non-dynamic zoom system according to a vector aberration theory and Seidel aberration coefficients; and S3: establishing a nonlinear global evaluation function in combination with the key parameters and the initial-order aberration parameters, and retrieving an optimal solution for the nonlinear global evaluation function to obtain a non-dynamic zoom system provided with a high zoom ratio. The high-zoom-ratio non-dynamic zoom imaging method using the deformation device can achieve high-zoom-ratio non-dynamic zoom imaging under the condition in which the high-precision deformation range of the deformation device is limited.

Classes IPC  ?

• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

Disclosed in the present invention is an image de-scattering method based on atmospheric transmission matrix iterative optimization, comprising the following steps: S1, constructing a de-scattering model based on an atmospheric transmission matrix; S2, estimating a forward scattering coefficient q corresponding to a fog-degraded image B; S3, estimating an initial atmospheric transmission matrix A based on a depth map T of the fog-degraded image B and the forward scattering coefficient q obtained in step S2; and S4, substituting the estimated initial atmospheric transmission matrix A into the de-scattering model in step S1, and performing iterative update under a constraint condition until the value of the de-scattering model meets a convergence condition to obtain an optimal atmospheric transmission matrix A* and an optimal de-scattered image X*. The image de-scattering method based on atmospheric transmission matrix iterative optimization provided by the present invention is based on the atmospheric transmission matrix, the atmospheric transmission matrix and the de-scattered image are continuously optimized and updated by using an iterative method, the deviation between the obtained de-scattered image and the real image is small, and the visual effect is good.

Classes IPC  ?

• G06T 5/00 - Amélioration ou restauration d'image
• G06T 7/50 - Récupération de la profondeur ou de la forme
• G06F 17/16 - Calcul de matrice ou de vecteur

Abrégé

Disclosed is a coded light illumination-based real-time focusing and scanning imaging device, comprising an LED array, a stage, an objective lens, a liquid lens, a lens sleeve and a camera; the LED array is located on one side of the stage, and the objective lens, the liquid lens, the lens sleeve and the camera are located on the other side of the stage; the stage is used for placing a sample, the LED array is used for emitting bright field light or coded light, and the bright field light or the coded light respectively passes through the sample and then successively passes through the objective lens, the liquid lens and the lens sleeve to reach the camera so as to capture a bright field image or a coded light illumination image by means of the camera. Also disclosed is a coded light illumination-based real-time focusing and scanning imaging method. The method is performed by using the described device. The present invention can realize quick and accurate focusing at a low cost.

Classes IPC  ?

• H04N 5/225 - Caméras de télévision
• H04N 5/232 - Dispositifs pour la commande des caméras de télévision, p.ex. commande à distance
• H04B 10/50 - Systèmes de transmission utilisant des ondes électromagnétiques autres que les ondes hertziennes, p.ex. les infrarouges, la lumière visible ou ultraviolette, ou utilisant des radiations corpusculaires, p.ex. les communications quantiques Émetteurs
• H04B 10/516 - Systèmes de transmission utilisant des ondes électromagnétiques autres que les ondes hertziennes, p.ex. les infrarouges, la lumière visible ou ultraviolette, ou utilisant des radiations corpusculaires, p.ex. les communications quantiques Émetteurs - Détails du codage ou de la modulation

Abrégé

Disclosed are a deep learning-based sketch network measurement method and an electronic device. Said method comprises: acquiring sampling traffic in a sketch and a first attribute label corresponding to the sampling traffic; training a preset network model according to the sampling traffic and the first attribute label, so as to obtain a traffic attribute prediction model; inputting network traffic to be measured into the traffic attribute prediction model, so as to acquire an attribute category of said network traffic; and inserting said network traffic into the sketch according to the attribute category, so as to perform network measurement. In the present invention, a preset network model is trained by means of sampling traffic in a sketch, so as to obtain a traffic attribute prediction model for predicting an attribute category of network traffic to be measured, and according to a prediction result of the traffic attribute prediction model, said network traffic is inserted into the sketch for network measurement, thereby avoiding frequent exchange of said network traffic between a primary hash table and a secondary hash table, and improving the precision of network measurement.

Classes IPC  ?

• G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques

Abrégé

A device and method for quickly acquiring a high-resolution spectral image, the device comprising a light source, an objective (10), a beam splitter (20), a single-shot spectral image acquisition assembly and a reference image acquisition assembly, wherein the objective (10) is used for aligning with a sample to be tested (50), and the light source is used for projecting light onto the sample to be tested (50) such that the sample to be tested is amplified using the objective (10). Amplified light is split into two parts by the beam splitter (20), wherein one part enters the single-shot spectral image acquisition assembly to acquire a low-resolution spectral cube of the sample to be tested (50), and the other part enters the reference image acquisition assembly to acquire a high-resolution spectral cube. A high-resolution spectral image can be quickly acquired using the device and method, thereby accelerating the application of spectral images in medical diagnosis.

Classes IPC  ?

• G01N 21/17 - Systèmes dans lesquels la lumière incidente est modifiée suivant les propriétés du matériau examiné

Abrégé

aa by adopting a bit voting algorithm; specifying the size of a hyper-parameter α to be 0-1, and designing a loss function; calculating the gradient of x' by using a gradient descent method and updating the x' by using the gradient; projecting the generated adversarial sample x' such that the x' meets infinite constraints and image space; determining whether a preset number of updates is reached or not, and if yes, obtaining an adversarial sample x'; and inputting the adversarial sample x' into the deep hash retrieval model, and returning a sample of an expected category. When the deep hash retrieval model is designed, the attack method is adopted, the safety and robustness of the model can be improved, and the generated adversarial sample can enable the retrieval model to return to a category sample expected by an attacker.

Classes IPC  ?

• G06F 16/903 - Requêtes

Abrégé

Disclosed are an SVC video transmission method based on an intelligent edge, and an intelligent edge. The method comprises: when receiving a video block download request, an intelligent edge determining a video priority corresponding to a video block; the intelligent edge acquiring network state information of a network in which the video block download request is located; the intelligent edge determining, according to the network state information and the video priority, the number of video layers corresponding to the video block, and acquiring, according to the number of video layers and from a service end, video layers corresponding to the video block; and the intelligent edge issuing the acquired video layers to each user end in a user cluster corresponding to the video block. In this way, an intelligent edge is assembled at a network edge of a network, and the intelligent edge issues different numbers of SVC video layers to each user end by using network state information and a video priority, so as to provide video streams of different qualities to different users, thereby realizing joint optimization of the QoE of SVC video users, and increasing profits for a content provider.

Classes IPC  ?

• H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole

Abrégé

i. Transmitting the video sub-segments through multiple periodic broadcasting channels with an equal bandwidth.

Classes IPC  ?

• H04N 21/472 - Interface pour utilisateurs finaux pour la requête de contenu, de données additionnelles ou de services; Interface pour utilisateurs finaux pour l'interaction avec le contenu, p.ex. pour la réservation de contenu ou la mise en place de rappels, pour la requête de notification d'événement ou pour la transformation de contenus affichés
• H04N 21/2343 - Traitement de flux vidéo élémentaires, p.ex. raccordement de flux vidéo ou transformation de graphes de scènes MPEG-4 impliquant des opérations de reformatage de signaux vidéo pour la distribution ou la mise en conformité avec les requêtes des utilisateurs finaux ou les exigences des dispositifs des utilisateurs finaux
• H04N 21/24 - Surveillance de procédés ou de ressources, p.ex. surveillance de la charge du serveur, de la bande passante disponible ou des requêtes effectuées sur la voie montante
• H04N 21/2662 - Contrôle de la complexité du flux vidéo, p.ex. en mettant à l'échelle la résolution ou le débit binaire du flux vidéo en fonction des capacités du client
• H04N 21/4402 - Traitement de flux élémentaires vidéo, p.ex. raccordement d'un clip vidéo récupéré d'un stockage local avec un flux vidéo en entrée ou rendu de scènes selon des graphes de scène MPEG-4 impliquant des opérations de reformatage de signaux vidéo pour la redistribution domestique, le stockage ou l'affichage en temps réel
• H04N 21/845 - Structuration du contenu, p.ex. décomposition du contenu en segments temporels

Abrégé

A video distribution method and apparatus and an electronic device, where the video distribution method includes: obtaining a popularity of each video program, wherein the popularity is a preference degree of a user group for a video program within a statistic time period; and determining, according the popularity of each video program, to distribute a video content of the video program through repeating broadcasting channels or by means of broadcasting on demand.

Classes IPC  ?

• H04N 21/472 - Interface pour utilisateurs finaux pour la requête de contenu, de données additionnelles ou de services; Interface pour utilisateurs finaux pour l'interaction avec le contenu, p.ex. pour la réservation de contenu ou la mise en place de rappels, pour la requête de notification d'événement ou pour la transformation de contenus affichés
• H04N 21/438 - Interfaçage de la voie descendante du réseau de transmission provenant d'un serveur, p.ex. récupération de paquets MPEG d'un réseau IP
• H04N 21/4402 - Traitement de flux élémentaires vidéo, p.ex. raccordement d'un clip vidéo récupéré d'un stockage local avec un flux vidéo en entrée ou rendu de scènes selon des graphes de scène MPEG-4 impliquant des opérations de reformatage de signaux vidéo pour la redistribution domestique, le stockage ou l'affichage en temps réel
• H04N 21/442 - Surveillance de procédés ou de ressources, p.ex. détection de la défaillance d'un dispositif d'enregistrement, surveillance de la bande passante sur la voie descendante, du nombre de visualisations d'un film, de l'espace de stockage disponible dans l
• H04N 21/845 - Structuration du contenu, p.ex. décomposition du contenu en segments temporels

Abrégé

A video blind denoising method based on deep learning, a computer device and a computer-readable storage medium. The method includes: taking a video sequence from a video to be denoised, taking the middle frame in the video sequence as a noisy reference frame, performing an optical flow estimation on the image corresponding to the noisy reference frame and each other frame in the video sequence, to obtain optical flow fields; transforming, according to the optical flow fields, the image corresponding to each other frame in the video sequence to the noisy reference frame for registration respectively, to obtain multi-frame noisy registration images; taking the multi-frame noisy registration images as an input of a convolutional neural network, taking the noisy reference frame as the reference image, performing iterative training and denoising by using the noise2noise training principle, to obtain the denoised image. This solution may achieve the blind denoising of a video.

Classes IPC  ?

• G06T 5/00 - Amélioration ou restauration d'image
• G06T 7/215 - Découpage basé sur le mouvement
• G06T 7/38 - Recalage de séquences d'images

Abrégé

Provided are a blind video denoising method and device based on deep learning. The method comprises: taking a video sequence, which includes a preset number of frames, from a video to be denoised, taking a middle frame of the video sequence as a reference frame which has noise, and carrying out optical flow estimation on the reference frame which has noise and each of the other frames of images in the video sequence to obtain a plurality of optical flow fields between two frames of images; according to the optical flow fields, respectively transferring each of the other frames of images in the video sequence to the reference frame which has noise for registration to obtain a plurality of frames of registration images which have noise; and establishing a denoising network on the basis of a convolutional neural network, taking the plurality of frames of registration images which have noise as network inputs, taking the reference frame which has noise as a reference image of a network, and using a noise2noise method to perform frame-by-frame iterative training and denoising to obtain a denoised image corresponding to the reference frame which has noise. In the solution, blind video denoising can be achieved merely by using a single video, without it being necessary to obtain a large amount of noise data, clean data and an accurate noise distribution model.

Classes IPC  ?

• G06T 5/00 - Amélioration ou restauration d'image

Abrégé

A implicit structured light decoding method, a computer equipment and a computer-readable storage medium. The method includes: traversing an image captured by a camera to acquire a grayscale value of each pixel point and an ideal neighborhood grayscale distribution; extracting and outputting an updated output image according to the grayscale value of each pixel point and the ideal neighborhood grayscale distribution and in combination with a preset output image; classifying stripe central points in the updated output image into different stripes; determining a correspondence between stripes in the updated output image and stripes in a structured light image according to the different stripes; and decoding all stripe central points by using triangulation method in combination with the correspondence between the extracted stripes and the projected stripe pattern. This solution can efficiently and robustly decode the implicit stripe-based structured light on a basis of ensuring precision.

Classes IPC  ?

• G06K 9/36 - Prétraitement de l'image, c. à d. traitement de l'information image sans se préoccuper de l'identité de l'image
• G06T 9/20 - Codage des contours, p.ex. utilisant la détection des contours
• G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques

Abrégé

The present invention provides a ranging method based on laser-line scanning imaging to effectively suppress interference of extreme weather on imaging. The method includes the following steps: acquiring priori reference images for a fixed laser-line scanning system, including respectively placing reference whiteboards at different distances, projecting line laser beams to the whiteboards, and acquiring the reference images by using a camera; placing a laser-line scanning device in a real scene, causing the laser-line scanning device to respectively emit line lasers at different angles, and acquiring an image at each scanning angle by using a camera; and performing fusion calculation on the acquired scanning image in the real scene and the priori reference images by using a ranging algorithm based on laser-line scanning, and extracting distance information of a surrounding object, to implement environment perception.

Classes IPC  ?

• G06T 11/00 - Génération d'images bidimensionnelles [2D]
• G06T 7/521 - Récupération de la profondeur ou de la forme à partir de la projection de lumière structurée

Abrégé

Provided are a method and apparatus for decoding implicit structured light. The method comprises: traversing an image photographed by a camera, so as to obtain a grayscale value and an ideal neighborhood grayscale distribution of each pixel point; according to the grayscale value and the ideal neighborhood grayscale distribution of the pixel point and in combination with a preset output image, completing stripe extraction to output an updated output image; classifying stripe center points in the updated output image to obtain a stripe classification result; determining a correlation between stripes in the updated output image and stripes in a structured light image according to the stripe classification result; and by means of an epipolar constraint and in combination with the correlation between the stripes in the updated output image and the stripes in the structured light image, decoding all the stripe center points. According to the solution, an implicit structured light image can be efficiently and robustly decoded on the basis of ensuring the precision thereof.

Classes IPC  ?

• G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques
• G06K 9/46 - Extraction d'éléments ou de caractéristiques de l'image

Abrégé

A room temperature ceramic sintering method, comprising the following steps: providing an original ceramic green body; placing the original ceramic green body in a closed container containing water vapor to enable the original ceramic green body to absorb water, so as to obtain a water-containing ceramic green body; taking the water-containing ceramic green body out of the closed container, and connecting two ends of the water-containing ceramic green body to a power supply; turning on the power supply to apply a voltage on the water-containing ceramic green body; and increasing the voltage to a predetermined voltage value to enable the water-containing ceramic green body to generate creeping discharge or internal discharge, and cutting off the power supply after the discharge lasts for a predetermined period of time so as to obtain the ceramic. Ceramics can be sintered at room temperature by using the room temperature ceramic sintering method. Also provided is a ceramic sintered by using the room temperature ceramic sintering method.

Classes IPC  ?

• C04B 35/64 - Procédés de cuisson ou de frittage
• C04B 35/453 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de zinc, d'étain ou de bismuth ou de leurs solutions solides avec d'autres oxydes, p.ex. zincates, stannates ou bismuthates
• C04B 35/622 - Procédés de mise en forme; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques

Abrégé

A pulse electrospray ion source, a pulse sample injection method, and a mass spectrum detection system. The ion source comprises a sample supply device, a sample injection capillary tube, and an electrode; a sample solution provided by the sample supply device enters from a sample injection end of the sample injection capillary tube and is output from an output end of the sample injection capillary tube; the electrode electrifies the sample solution to provide voltage required for forming electrospray. The ion source also comprises a moving device coupled to the sample supply device or the sample injection capillary tube. During sample injection, the sample supply device and the sample injection capillary tube intermittently move relative to each other according to a set pulse time sequence, so that a sample in the sample supply device is intermittently in contact with the sample injection end of the sample injection capillary tube, thereby realizing pulse-type electrospray sample injection. The present invention realizes synchronous execution of pulse sample injection and ionization, and improves the sample utilization rate.

Classes IPC  ?

• H01J 49/16 - Sources d'ions; Canons à ions utilisant une ionisation de surface, p.ex. émission thermo-ionique ou photo-électrique
• H01J 49/26 - Spectromètres de masse ou tubes séparateurs de masse

Abrégé

A method for treating algal blooms or red tide by means of intermittent combination of ultraviolet rays and hydrogen peroxide, comprising: adding hydrogen peroxide to a water body suffered from algal blooms or red tide, and then immediately implementing first ultraviolet source irradiation; and stopping irradiation for intermittence after the first ultraviolet source irradiation, and then implementing second ultraviolet source irradiation to achieve the treatment of algal blooms or red tide. The method can effectively improve the alga cell inactivation effect, shorten the time required for taking effect, and reduce chemical dosage; moreover, the method does not generate harmful byproducts in the treatment process, and is environmentally friendly. Also disclosed is an application of intermittent combination of ultraviolet rays and hydrogen peroxide in the treatment of algal blooms or red tide.

Classes IPC  ?

• C02F 1/32 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par irradiation par la lumière ultraviolette
• C02F 1/72 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par oxydation
• B01J 19/12 - Procédés utilisant l'application directe de l'énergie ondulatoire ou électrique, ou un rayonnement particulaire; Appareils à cet usage utilisant des radiations électromagnétiques

Abrégé

A circuit implementation method for searching for the L maximum path metric values in a Polar code decoder. The method comprises: respectively storing, by using L registers, L path metric values corresponding to L paths; at the beginning of calculation, initializing the L registers to be negative infinity, or to be the minimum value which is defined by a system and can represent a path metric value; during a decoding process, when a first path metric value is calculated, using L comparators to compare the first path metric value with the L path metric values; inserting the first path metric value so that same is between a value greater than the first path metric value and a value less than the first path metric value, and directly discarding the surplus minimum value; obtaining L path metric values arranged from the largest to the smallest, and then storing same again; and repeating this process until 2L path metric values are fully calculated, wherein in this case, the L maximum path metric values arranged in a descending order from the largest to the smallest are reserved in the L registers. In the present invention, a multi-path parallel mode can also be used. In the present invention, by means of optimizing an algorithm and a hardware circuit, the polar decoding speed and accuracy are improved, and the area of a decoder is also reduced.

Classes IPC  ?

• H03M 13/13 - Codes linéaires

Abrégé

A preparation method for carbon quantum dots having a high quantum yield, comprising the following steps: first, mixing a carbon source consisting of citric acid and ascorbic acid and an alkali source consisting of ethylenediamine and o-phenylenediamine and adding the mixture to a solvent to obtain a mixed solution; and then, heating the mixed solution for a preset duration in a microwave to prepare the carbon quantum dots. The preparation method for the carbon quantum dots having the high quantum yield provided by the present invention solves the technical problem in the existing carbon quantum dot preparation process of being complex and time-consuming in preparation method and high in manufacturing costs.

Classes IPC  ?

• C01B 32/15 - Matières carbonées nanométriques
• C09K 11/65 - Substances luminescentes, p.ex. électroluminescentes, chimiluminescentes contenant des substances inorganiques luminescentes contenant du carbone
• B82Y 20/00 - Nano-optique, p.ex. optique quantique ou cristaux photoniques
• B82Y 40/00 - Fabrication ou traitement des nanostructures

Abrégé

Provided is a method for testing algae on the surface of an insulating material. The method comprises: enabling a laser pulse with a preset power density to act on an actually tested insulating material, and collecting spectral data of the actually tested insulating material; comparing the spectral data of the actually tested insulating material with a preset standard spectral database to determine whether the surface of the actually tested insulating material is covered with algae; and when the surface of the actually tested insulating material is covered with algae, analyzing the type and density of the algae on the surface of the actually tested insulating material. Further provided are an apparatus and device for testing algae on the surface of an insulating material. The type and density of algae covering an actually tested insulating material are rapidly and accurately tested by acquiring spectral data of the actually tested insulating material, thereby providing a basis for maintaining the safety and stability of power equipment.

Classes IPC  ?

• G01N 21/94 - Recherche de souillures, p.ex. de poussières
• G01N 21/71 - Systèmes dans lesquels le matériau analysé est excité de façon à ce qu'il émette de la lumière ou qu'il produise un changement de la longueur d'onde de la lumière incidente excité thermiquement

Abrégé

Provided is a monitoring method for chatter vibration during a machining process, comprising the following steps: S1, collecting original signals related to chatter vibration during a machining process; S2, for the original signals, updating data points in a sliding window with a set step size to obtain a signal segment for calculation and analysis, wherein the step size means the number of data points per update of the sliding window, and the step size is not greater than the size of the sliding window; S3, calculating a fractal dimension of the signal segment in the sliding window by using a fractal algorithm; and S4, comparing the calculated fractal dimension with an identification threshold, so as to determine whether chatter vibration occurs during the machining process. The monitoring method does not require preprocessing of the measured signals, can greatly improve the calculation efficiency, and guarantee the accuracy of chatter vibration identification.

Classes IPC  ?

• B23Q 17/12 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer les vibrations
• G01H 1/12 - Mesure des vibrations dans des solides en utilisant la conduction directe au détecteur les vibrations étant longitudinales ou non spécifiées

Abrégé

A method for monitoring chatter in a machining process includes the following steps: collecting an original signal related to chatter in the machining process; for the original signal, obtaining a signal segment for calculation and analysis by updating data points in a sliding window with a set step-length, where the step-length refers to a number of data points updated every time in the sliding window, and is not greater than the size of the sliding window; calculating fractal dimensions of the signal segments in the sliding window by using a fractal algorithm; and comparing the calculated fractal dimension with an identification threshold to determine whether chatter occurs in the machining process. The measured signal does not need to be preprocessed by using the method, which can greatly improve calculation efficiency and can ensure accuracy of chatter identification.

Classes IPC  ?

• B23Q 17/12 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer les vibrations
• G01H 1/00 - Mesure des vibrations dans des solides en utilisant la conduction directe au détecteur

Abrégé

An ion gate control method for an ion mobility spectrometer. The method comprises controlling, by means of the voltages of a first grid electrode (G1) and a second grid electrode (G2), a complete work cycle of an ion gate to experience a gate opening stage, a shearing stage, a repulsion stage and a gate closing stage, wherein rapid cutoff of a back edge of an ionic group is achieved at the shearing stage, thereby reducing axial tension of the ionic group during a shearing process; and at the repulsion stage, overall propulsion of the ionic group in a migration direction is achieved, and axial compression of the ionic group is achieved by using the non-uniformity of a repulsion electric field. The method has the beneficial effects of being able to achieve separate independent control over cutting and separation processes of an ionic group and also being able to reduce back edge trailing caused by an ion gate cutting the ionic group, thereby facilitating an improvement in the resolution capability of an ion mobility spectrometer.

Classes IPC  ?

• H01J 49/06 - Dispositifs électronoptiques ou ionoptiques
• G01N 27/62 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant les décharges électriques, p.ex. l'émission cathodique

Abrégé

A micro-fluidic chip nozzle, comprising a micro-fluidic chip and a nozzle having a double-layer structure. The micro-fluidic chip comprises a micro-fluidic chip substrate layer and a micro-fluidic chip upper layer; a plurality of flow channels and mixed-flow-structured flow channels are formed on the micro-fluidic chip substrate layer, and the mixed-flow-structured flow channels are connected to a micro-fluidic chip outlet; micro valves corresponding to the plurality of flow channels are formed on the micro-fluidic chip upper layer, and the micro valves can be controlled to be opened or closed so as to control liquid of the different flow channels to enter the mixed-flow-structured flow channels; the nozzle having a double-layer structure comprises an inner-layer micro needle head and a housing, the inner-layer micro needle head is connected to the micro-fluidic chip outlet, the housing is provided with a cross-linking liquid inlet and a nozzle outlet; a mixed solution fed from the inner-layer micro needle head and cross-linking liquid fed from the cross-linking liquid inlet are mixed in the housing and are cross-linked to produce gel fibers, and the gel fibers flow out from the nozzle outlet. The micro-fluidic chip nozzle structure of the present invention is particularly suitable for printing a gradient tissue engineering cornea having a layered structure.

Classes IPC  ?

• C12M 1/36 - Appareillage pour l'enzymologie ou la microbiologie comportant une commande sensible au temps ou aux conditions du milieu, p.ex. fermenteurs commandés automatiquement
• C12M 3/00 - Appareillage pour la culture de tissus, de cellules humaines, animales ou végétales, ou de virus
• B33Y 30/00 - Appareils pour la fabrication additive; Leurs parties constitutives ou accessoires à cet effet
• A61F 2/00 - Filtres implantables dans les vaisseaux sanguins; Prothèses, c.-à-d. éléments de substitution ou de remplacement pour des parties du corps; Appareils pour les assujettir au corps; Dispositifs maintenant le passage ou évitant l'affaissement de structures corporelles tubulaires, p.ex. stents

Abrégé

Disclosed is a method for rapidly improving the interface recoating combination performance of a stained silicone rubber material, the method comprising the following steps: generating a low-temperature plasma jet by means of discharging, and spraying the low-temperature plasma jet onto the surface of the stained silicone rubber material, so that the interface recoating combination performance of the stained silicone rubber material can be rapidly improved. The method is significantly effective in improving the recoating effect of a coating layer of the stained silicone rubber material, and ensures an anti-contamination-flashover effect.

Classes IPC  ?

• H01B 19/04 - Traitement des surfaces, p.ex. application de revêtements
• H01B 17/42 - Moyens pour obtenir une distribution améliorée de la tension; Protection contre la décharge en arc
• H01B 17/50 - Isolateurs ou corps isolants caractérisés par la forme à surfaces traitées de manière appropriée pour préserver les propriétés isolantes, p.ex. pour la protection contre l'humidité, la souillure

Abrégé

An offshore wind-solar-aquaculture integrated floater is provided, including vertical-axis wind turbine systems, solar photovoltaic panels, and a cube aquaculture cage. Four vertical-axis wind turbine systems are respectively rigidly connected to four corners of the cage; solar photovoltaic panels and a living and working quarter are located on cage deck; and side frames of the cage are equipped with tensile nets, the bottom frame of cage is equipped with a bottom net, and columns of the cage are equipped with lifting rails. This floater has good stability, sea-keeping performance and high strength. Utilizations of offshore wind and solar energy above the cage are high and they complement each other in power generation. This disclosure manages to exploit ocean resources to an unprecedentedly large extent, while resolving the issue of combing power generation with marine aquaculture in moderate and deep seas.

Classes IPC  ?

• F03D 13/25 - Dispositions pour monter ou supporter des mécanismes moteurs à vent; Pylônes ou tours pour des mécanismes moteurs à vent spécialement adaptés à l’installation offshore
• A01K 61/65 - Dispositifs de connexion ou d’amarrage à cet effet
• B63B 35/44 - Constructions, magasins, plates-formes de forage ou ateliers flottants, p.ex. portant des appareils séparateurs huile-eau
• F03D 9/25 - Mécanismes moteurs à vent caractérisés par l’appareil entrainé l’appareil étant un générateur électrique

Abrégé

A dynamics modeling method for a rope driven linkage type mechanical arm, comprising: a mechanical arm is equivalent to the formation of a rigid part (10), two driving ropes (20), and four linkage ropes (30), the rigid part (10) comprises three rotary joints (11) and three connecting rods (12), and the three connecting rods (12) are connected to each other by means of the rotary joints (11) in sequence; one ends of the two driving ropes (20) are respectively fixed onto the connecting rods (12) on the tail end, and the other ends sequentially penetrate through the connecting rods (12) and are then controlled by a driver; every two of the four linkage ropes (30) respectively wind around adjacent rotary joints (11) to be connected to the connecting rods (12) in a crossed manner; a dynamics equation of the mechanical arm is built. According to the method, rope tension optimization in a motion process of the mechanical arm is achieved, and the method can be applied in trajectory planning, vibration control and other aspects of the rope driven mechanical arm. The present invention also relates to a rope tension optimization method.

Classes IPC  ?

• B25J 9/16 - Commandes à programme

Abrégé

The present invention provides an image super-resolution method and system. The method comprises: take an image to be processed as the input of a convolutional neural network super-resolution model, the convolutional neural network super-resolution model being composed of four execution modules which are connected in sequence; a first execution module processes said image to obtain a first processing image; a second execution module processes the first processing image and outputs a second processing image; a third execution module processes the second processing image and outputs a third processing image; a fourth execution module processes the third processing image and outputs a super-resolution image. Based on the present invention, the convolutional neural network super-resolution model sets the weighted features for said image, the important features in said image are determined by learning the weighted features, and the super-resolution processing is carried out according to the important features, so that the feature expression capability of the convolutional neural network super-resolution model is improved, and the detail quality of the super-resolution image obtained after the super-resolution processing is greatly improved.

Classes IPC  ?

• G06T 3/40 - Changement d'échelle d'une image entière ou d'une partie d'image

Abrégé

A ranging method based on laser line scanning imaging capable of effectively suppressing the interference of extreme weather to imaging. The method comprises the following steps: collecting a priori reference pattern of a fixed laser line scanning system, separately placing a reference white board at positions with different distances, irradiating the white board by line laser, and collecting the reference pattern by a camera (S1); placing a laser line scanning device into a real scene, separately emitting line laser at different angles, and meanwhile, collecting the image of each scanning angle by using the camera (S2); and integrally computing the collected real scene scanning images and the priori reference pattern by using the ranging algorithm based on the laser line scanning, extracting the distance information of surrounding objects, and thus achieving environment sensing (S3).

Classes IPC  ?

• G01S 11/12 - Systèmes pour déterminer la distance ou la vitesse sans utiliser la réflexion ou la reradiation utilisant des ondes électromagnétiques autres que les ondes radio

Abrégé

A non-invasive scattering imaging method beyond a memory effect range based on connected component optimization, including: calculating an autocorrelation image of collected speckle information, and obtaining an autocorrelation graph according to the autocorrelation image; obtaining a reconstruction result according to the autocorrelation graph, and optimizing the reconstruction result; calculating and normalizing autocorrelation of the optimized reconstruction result, to calculate initial autocorrelation of an object; obtaining a reconstruction result according to the autocorrelation of the object obtained in the previous step, calculating autocorrelation of an optimized reconstruction result by using a connected component and performing normalization, and using the autocorrelation graph to calculate autocorrelation of another object; and repeating the preceding steps of calculating autocorrelation of the two objects until a predetermined loop count is reached, and then using a phase recovery algorithm and the calculated autocorrelation of the two objects to perform spatial reconstruction to achieve non-invasive imaging.

Classes IPC  ?

• G01B 9/02 - Interféromètres
• G01N 21/47 - Dispersion, c. à d. réflexion diffuse

Abrégé

Disclosed is deep open sea floating wind-solar fishing comprehensive equipment. A floating structure is combined with vertical-axis wind turbines, a solar photovoltaic panel and an aquaculture net cage. Four vertical-axis wind turbine blade systems are fixedly connected to four corners of the top face of the square net cage by means of wind turbine towers; the solar photovoltaic panel and a living and working platform are arranged on the top face of the net cage; a mooring system connects the floating comprehensive equipment to the seabed; and a tension-type netting is fitted on a side face of the net cage, a bottom face netting is fitted on a bottom face thereof, and a lifting rail is fitted on a column of the net cage to enable the bottom face netting to move up and down. The floating comprehensive equipment has good stability, is resistant to waves, has a high strength, has an outstanding overall movement performance, may be used in various sea areas, has a high utilization rate for an offshore wind field and the solar energy space above the net cage and may generate substantial power, and the solar energy and the wind energy supplement each other, such that ocean space resources can be fully utilized, and the problem regarding power utilization in offshore aquaculture can be better solved. Workers can perform activities such as culturing and maintenance while living in the comprehensive equipment.

Classes IPC  ?

• A01K 61/60 - Dispositifs d’élevage flottants, p.ex. radeaux ou fermes piscicoles flottantes
• F03D 3/00 - Mécanismes moteurs à vent avec axe de rotation sensiblement perpendiculaire au flux d'air pénétrant dans le rotor
• B63B 35/44 - Constructions, magasins, plates-formes de forage ou ateliers flottants, p.ex. portant des appareils séparateurs huile-eau

Abrégé

A three-dimensional static modeling method of a cable-driven continuous robotic arm, comprising the following steps: S1: according to a three-joint pseudo-rigid body model, establishing a three-dimensional equilibrium equation for each equivalent torsion spring, and obtaining a deflection angle of each torsion spring when the cable-driven continuous robotic arm is under a predetermined tensile force of a cable, an external force and gravity; S2: according to the deflection angle of each torsion spring, establishing resultant forces that the cable tensile force, external force and gravity apply to an end portion of each branch section respectively and and resultant force moment expressions thereof; S3: substituting the resultant forces that the cable tensile force, external force and gravity apply to the end portion of each branch section and and the resultant force moment expressions thereof into the three-dimensional equilibrium equation of each torsion spring, and obtaining a three-dimensional static equilibrium equation of a cable-driven continuous robotic arm. The modeling method can extend a two-dimensional pseudo-rigid body equivalence method to a three-dimensional space, greatly improving the operational efficiency.

Classes IPC  ?

• B25J 9/16 - Commandes à programme

Abrégé

A connected domain optimization based non-invasive scattering imaging method beyond a memory effect range, comprising: collecting speckle information of a sample to be imaged; calculating an autocorrelation image of the speckle information and obtaining an autocorrelation graph according to the autocorrelation image; obtaining a reconstruction result according to the autocorrelation graph, and using a connected domain to optimize the reconstruction result; calculating the autocorrelation of the optimized reconstruction result and normalizing to obtain an initial autocorrelation of an object; obtaining a reconstruction result sequentially according to the autocorrelation of one object obtained in the previous step, calculating the autocorrelation of the optimized reconstruction result using connected domain optimization and normalizing, and calculating in combination with the autocorrelation graph to obtain the autocorrelation of the other object; repeating the described steps of calculating the autocorrelation of two objects until the predetermined number of cycles is reached; and using a phase recovery algorithm and the calculated autocorrelation of the two objects to perform spatial domain reconstruction to implement non-invasive imaging. The method can implement scattering imaging of multiple objects in a wide viewing angle range.

Classes IPC  ?

• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

A flexible micro robot, comprising: an active flexible member (1) and a passive flexible member (2) that are attached together, as well as a first support member (3). The active flexible member is configured to extend or retract under the action of an external force. The passive flexible member is configured to bend toward the bottom or expand under the driving of the active flexible member. The first support member is disposed on one side of the bottom of the passive flexible member, and forms a first preset included angle with the ground. The movement speed of the micro-robot is increased, and in addition, the structure is simplified, and the cost is reduced.

Classes IPC  ?

• B25J 7/00 - Micromanipulateurs
• B25J 9/10 - Manipulateurs à commande programmée caractérisés par des moyens pour régler la position des éléments manipulateurs