Abrégé

A device and a method for metal preparation by electro-reduction of a molten salt are provided. The device includes a reactor, an electrical conductor, a power supply, a gas charging and discharging mechanism, and a closure mechanism; the reactor is a barrel body with a conductive base plate and an insulated peripheral wall and opens at one end, a barrel cavity of the reactor is configured to lay down a reactant and a molten salt substance; the electrical conductor is configured to be inserted into the molten salt substance; the reactor and the electrical conductor are disposed inside the closure mechanism; a positive pole of the power supply is electrically connected to the electrical conductor, and a negative pole is electrically connected to the conductive base plate; the gas charging and discharging mechanism is configured to continuously charge a protective gas into the reactor while removing an exhaust gas.

Classes IPC  ?

• C25C 7/00 - Éléments structurels, ou leur assemblage, des cellulesEntretien ou conduite des cellules
• C25C 3/08 - Construction des cellules, p. ex. fonds, parois, cathodes
• C25C 3/34 - Production, récupération ou affinage électrolytique de métaux par électrolyse de bains fondus des métaux non prévus dans les groupes
• C25C 7/06 - Conduite ou entretien

Abrégé

The present invention belongs to the field of molecular biology, and particularly relates to a mutant and a mutant plasmid of an FUNDC1 gene, and a construction method therefor and the use thereof. The provided mutant plasmid has an increased FUNDC1 protein expression level, and can increase the protein expression level of mitophagy proteins COXⅣ and TOM20. After the transfection of the mutant plasmid, the cell activity and mitochondrial membrane potential are not significantly changed, indicating that the mutant plasmid can inhibit mitophagy and causes no damage to mitochondria, which provides a feasible solution for the preparation of a mitophagy drug, and has great significance for the research on the pathophysiological mechanism of myocardial I/R injuries.

Classes IPC  ?

• C12N 15/12 - Gènes codant pour des protéines animales
• C12N 15/64 - Méthodes générales pour la préparation du vecteur, pour son introduction dans la cellule ou pour la sélection de l'hôte contenant le vecteur
• C12N 15/85 - Vecteurs ou systèmes d'expression spécialement adaptés aux hôtes eucaryotes pour cellules animales
• A61K 48/00 - Préparations médicinales contenant du matériel génétique qui est introduit dans des cellules du corps vivant pour traiter des maladies génétiquesThérapie génique
• 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 rénale

Abrégé

Provided are a coating composite, and a coated abrasive and a preparation method thereof. The coating composite includes the following components in parts by mass: 100 parts to 120 parts of borate glass, 50 parts to 60 parts of aluminium oxide, 100 parts to 120 parts of potash feldspar, 10 parts to 20 parts of cryolite, and 10 parts to 20 parts of calcium fluoride.

Classes IPC  ?

• C09K 3/14 - Substances antidérapantesAbrasifs
• B24D 3/00 - Propriétés physiques des corps ou feuilles abrasives, p. ex. surfaces abrasives de nature particulièreCorps ou feuilles abrasives caractérisés par leurs constituants
• B24D 18/00 - Fabrication d'outils pour meuler, p. ex. roues, non prévue ailleurs

Abrégé

The present invention relates to the technical field of biology. Disclosed are a chemiluminescence reaction detection reagent and detection method for the content of spermine in seminal plasma. The chemiluminescence reaction detection reagent comprises a luminol-containing sodium hydroxide solution, a copper ion solution and a sodium borate buffer solution. According to the present invention, on the basis of the chemiluminescence reaction principle of metal ions catalyzing hydrogen peroxide to oxidize luminol, it is found that the luminescence reaction intensity of copper ions and a luminol reagent would be remarkably influenced in the presence of spermine. On this basis, the present invention develops a kit for detecting the content of spermine on the basis of static chemiluminescence analysis, and establishes a new method for static chemiluminescence analysis of spermine, wherein the method involves high sensitivity, simple operation, small sample volume and low costs, and improves the working efficiency.

Classes IPC  ?

• G01N 21/76 - ChimioluminescenceBioluminescence

Abrégé

Disclosed in the present invention is a plant tissue sectioning device, wherein a lifting mechanism is disposed on a transverse plate of a fixing holder, and an electric cutter is provided below one side of the lifting mechanism; the rear side of a fixing plate is slidably arranged, by means of a sliding plate, in a sliding groove located on a vertical plate of the fixing holder; a driving lead screw is embedded in the vertical plate of the fixing holder, one end of the driving lead screw being screwed, by means of a bearing, to an inner wall on one side of the vertical plate of the fixing holder, and the other end of the driving lead screw passing through one side wall of the vertical plate of the fixing holder and then connecting to a driving electric motor, and a screw nut of the driving lead screw being fixedly connected to a support plate on the fixing plate; fixing insertion rods are distributed on one side wall of the fixing plate; a fixing mechanism is disposed between the lifting mechanism and the fixing plate; a backing plate is fixed on the upper surface of a work platform, the other side of the backing plate being inserted into a slot located on the lower side of the fixing plate; and a limiting mechanism is located on the lower side of the lifting mechanism, and a discharge outlet is provided on the work platform. Plants in different shapes can be easily fixed, thereby facilitating the sectioning operations on plants, improving sectioning efficiency.

Classes IPC  ?

• B26D 3/28 - Fendage d'un matériau pour obtenir des feuilletsSéparation mutuelle des couches par coupe
• B26D 7/01 - Moyens pour maintenir ou mettre en position la pièce
• B26D 7/32 - Moyens pour exécuter d'autres opérations en combinaison avec la coupe pour transporter ou empiler le produit coupé
• B26D 1/25 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant autour d'un axe avec un élément coupant non circulaire

Abrégé

The use of a circular RNA in the preparation of a biomarker for diagnosing autism. Provided is a circular RNA that can be used for assisting the diagnosis of autism, wherein the circular RNA is a combination of at least two of hsa_circ_0054602, hsa_circ_0004566 and hsa_circ_0085145. By means of experiments, it is found that the combination of hsa_circ_0054602 and hsa_circ_0004566 has an optimal effect, with a sensitivity of 60.87% and a specificity of 94.79%.

Classes IPC  ?

• C12Q 1/6883 - Produits d’acides nucléiques utilisés dans l’analyse d’acides nucléiques, p. ex. amorces ou sondes pour les maladies provoquées par des altérations du matériel génétique
• C12N 15/11 - Fragments d'ADN ou d'ARNLeurs formes modifiées

Abrégé

A civil engineering shock absorber device and a control method therefor. The civil engineering shock absorber device comprises a transport box (1), a stabilizing assembly, and a warning assembly, wherein a plurality of partition plates (2) are fixedly connected inside the transport box (1), protective pads (4) are fixedly connected to the partition plates (2) and the inner wall of the top of the transport box (1), two corresponding protective pads (4) are in close contact with the same building glass (3) therebetween, a carriage (9) is provided below the transport box (1), two vertical plates (10) are fixedly connected to the top of the carriage (9), two vertical holes are provided in the bottom of the transport box (1), the vertical plates (10) are in sliding contact with inner walls of the vertical holes, and a plurality of buffer springs (12) and dampers (13) are fixedly connected between the transport box (1) and the carriage (9). The building glass (3) can be limited and fixed so as to ensure the stability of the building glass (3) and protect the building glass (3), and when the building glass (3) is transported, a warning can be provided to surrounding personnel. The warning effect is good, and potential safety hazards are reduced.

Classes IPC  ?

• B65D 25/04 - Cloisonnements
• B65D 25/10 - Dispositifs pour placer les objets dans les réceptacles
• B65D 25/20 - Accessoires externes
• B65D 25/24 - Accessoires externes pour espacer l'assise du réceptacle de la surface portante, p. ex. pieds
• B65D 25/26 - Dispositifs pour protéger le contenu contre le choc
• B65D 81/07 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques maintenant le contenu en position éloignée des parois de l'emballage ou des autres pièces du contenu utilisant des moyens de suspension élastiques
• B65D 85/48 - Réceptacles, éléments d'emballage ou paquets spécialement adaptés à des objets ou à des matériaux particuliers pour objets particulièrement sensibles aux dommages par chocs ou compression pour feuilles en verre

Abrégé

A floating-type silver phosphate/zinc ferrite/floating bead composite photocatalyst, and a preparation method therefor and the use thereof, and a wastewater treatment method. The floating-type silver phosphate/zinc ferrite/floating bead composite photocatalyst comprises floating beads, a zinc ferrite thin film coating the floating beads, and silver phosphate deposited on the zinc ferrite thin film, wherein zinc ferrite in the zinc ferrite thin film and the silver phosphate form a heterojunction. In the catalyst, floating beads serve as a carrier, such that the catalyst can float on the surface of an aqueous solution during use, thereby facilitating recycling; in addition, silver phosphate is deposited after the surface of the carrier is coated with the zinc ferrite thin film, thereby improving the photocatalytic activity of the catalyst under visible light. The preparation method for the catalyst is simple to operate and easy to industrialize.

Classes IPC  ?

• B01J 27/185 - PhosphoreSes composés avec des métaux du groupe du fer ou avec des métaux du groupe du platine
• B01J 37/08 - Traitement thermique

Abrégé

A method for extracting general flavone from Crataegus pinnatifida Bunge. The method comprises the following steps: (1) removing kernels of fruits of Crataegus pinnatifida Bunge, then crushing the fruits, adding the crushed fruits of Crataegus pinnatifida Bunge to a sodium carbonate solution to perform ultrasonic extraction, and separating same to obtain a filtrate; (2) adjusting the pH of the filtrate until acidic, and separating same to obtain a precipitate; (3) adding the precipitate to an ethanol solution to perform an ultrasonic treatment, and concentrating the separated liquid phase under reduced pressure to remove the solvent, so as to obtain a crude extract of flavone; and (4) adding the crude extract of flavone to an acetone solution to perform an ultrasonic treatment, and concentrating the separated liquid phase under reduced pressure to remove the solvent, so as to obtain general flavone. By means of the method, the general flavone in Crataegus pinnatifida Bunge can be extracted to the greatest extent. The obtained general flavone has a high yield and a high purity, and can be prepared into antibacterial and anti-cancer drugs.

Classes IPC  ?

• A61K 36/734 - Crataegus (aubépine)
• C07D 311/26 - Benzo [b] pyrannes non hydrogénés dans le carbocycle avec des atomes d'oxygène ou de soufre liés directement en position 4 avec des cycles aromatiques liés en position 2 ou 3
• A61P 31/04 - Agents antibactériens
• A61P 35/00 - Agents anticancéreux
• A61P 39/06 - Antiradicaux libres ou antioxydants
• A61K 131/00 - Parties de plantes contenant des graines ou des semences, des noix ou des noisettes, des fruits ou des grains, ou obtenues à partir de ces éléments

Abrégé

232232223232232233, the vanadium leaching rate is increased by 7.39%, the roasting temperature is reduced by 90ºC, and the energy consumption is reduced.

Classes IPC  ?

• C22B 34/22 - Obtention du vanadium
• C22B 1/02 - Procédés de grillage

Abrégé

A portable collection apparatus for atmospheric particulate matters. A bottom plate (12) and a top plate (2) are slidably connected inside a box body (1); an area in which the box body (1) is located between the top plate (2) and the bottom plate (12) is a collection channel (11); a first collecting mechanism is fixedly connected below the top plate (2); a second collecting mechanism is fixedly connected below the bottom plate (12); a plurality of collecting boxes (14) are fixedly arranged below the bottom plate (12); and a lifting support seat and a moving frame are arranged below a base. By means of arranging a plurality of first collecting mechanisms and second collecting mechanisms which are arranged in parallel, a staged filtration effect is achieved, and atmospheric particulate matters within different particle size ranges can be obtained in a single instance of collection, thereby providing a basis for the collection of atmospheric particulate matters and rapid statistics and analysis of monitoring data. Moreover, after the single instance of collection is completed, the top plate (2) and the bottom plate (12) can drive a first filter assembly and a second filter assembly, respectively, to slide relative to each other, and then the atmospheric particulate matters collected in the single instance of collection are quickly collected into the collecting boxes (14).

Classes IPC  ?

• G01N 1/24 - Dispositifs d'aspiration

Abrégé

The present invention relates to the technical field of biology. Disclosed is a kit for measuring the glucose content in cervical mucus. The kit comprises a glucose oxidase immobilized composite membrane. A preparation method for the glucose oxidase immobilized composite membrane comprises the following steps: (1) performing activation treatment on a cellulose acetate membrane to obtain a cellulose acetate thin film having an aldehyde group on the surface; and (2) performing a cross-linking reaction on said cellulose acetate thin film obtained in step (1) and a glucose oxidase solution to obtain the glucose oxidase immobilized composite membrane. The kit is used for measuring the glucose content in the cervical mucus, and has the advantages of high specificity, an accurate experimental result, and high working efficiency.

Classes IPC  ?

• C12N 11/12 - Cellulose ou ses dérivés
• G01N 27/327 - Électrodes biochimiques

Abrégé

The present disclosure provides a method for predicting carbon consumption and carbon emission of a hydrogen-rich blast furnace (BF) based on a C-rd theory. The method includes: inputting raw material and fuel conditions, product parameters, injection parameters and a heat loss verification coefficient, determining a reduction degree of hydrogen, and establishing a carbon consumption calculation model; determining a direct reduction degree, predicted values of various carbon consumption items and a predicted fuel ratio according to a carbon balance relation; calculating, if an absolute value of a difference between the predicted fuel ratio and an initial fuel ratio is less than a preset value and the various indicators satisfy constraints on the material and heat balance, and outputting the parameter condition and the corresponding calculation results of the various indicators, or otherwise adjusting the initial fuel ratio, heat loss verification coefficient, the raw material and fuel conditions, and the injection parameters.

Classes IPC  ?

• G06Q 50/04 - Fabrication
• G06F 17/18 - Opérations mathématiques complexes pour l'évaluation de données statistiques
• G06Q 10/04 - Prévision ou optimisation spécialement adaptées à des fins administratives ou de gestion, p. ex. programmation linéaire ou "problème d’optimisation des stocks"

Abrégé

The present disclosure provides the use of BAZ1B_K426hy in the preparation of a product for tumor detection and belongs to the field of biotechnology. The present disclosure further provides a group of immunogenic polypeptides, including polypeptide A and polypeptide B. An anti-BAZ1B_K426hy polyclonal antibody is prepared by conducting mixed immunization on an animal with the immunogenic polypeptide. The polyclonal antibody can specifically recognize an endogenous protein BAZ1B_K426hy by enzyme-linked immunosorbent assay (ELISA)/Dot blot/Western blot, which is used for preparation of detection products for tumors and Williams syndrome.

Classes IPC  ?

• G01N 33/574 - Tests immunologiquesTests faisant intervenir la formation de liaisons biospécifiquesMatériaux à cet effet pour le cancer
• C07K 16/32 - Immunoglobulines, p. ex. anticorps monoclonaux ou polyclonaux contre du matériel provenant d'animaux ou d'humains contre des produits de traduction des oncogènes

Abrégé

Disclosed in the present invention are a sesquiterpene and dimeric compound extracted from Chloranthus henryi var. hupehensis as shown below, a use thereof in preparation of anti-inflammatory drugs, and a preparation method therefor. The sesquiterpene and dimeric compound of the present invention shows anti-inflammatory activity, and is characterized by reducing the generation of nitric oxide (NO) without cytotoxicity. The mRNA expression of cyclooxygenase-2(COX-2) is also remarkably inhibited, so that the sesquiterpene and dimeric compound can be used for preparing anti-inflammatory drugs. The present invention provides a new method for producing and preparing sesquiterpenes and dimer compounds which have anti-inflammatory activity and a novel structure, and provides an ideal candidate compound for developing efficient anti-inflammatory drugs.

Classes IPC  ?

• C07D 307/92 - NaphtofurannesNaphtofurannes hydrogénés
• C07D 493/10 - Systèmes condensés en spiro
• C07D 493/20 - Systèmes condensés en spiro
• A61P 29/00 - Agents analgésiques, antipyrétiques ou anti-inflammatoires non centraux, p. ex. agents antirhumatismauxMédicaments anti-inflammatoires non stéroïdiens [AINS]

Abrégé

An epidemiological information acquisition instrument having a protection mechanism. The instrument comprises: an information acquisition instrument body, the information acquisition instrument body being arranged in an accommodation box by means of a protection mechanism; and the protection mechanism comprising, respectively disposed at the top, side, and bottom of the information acquisition instrument body, a top protection unit, a side protection unit, and a bottom protection unit. The present invention utilizes the epidemiological information acquisition instrument having a protection mechanism and being of the aforementioned structure, providing a protection mechanism surrounding the information acquisition instrument body so as to prevent the information acquisition instrument body from being damaged by factors such as an external-force collision, and by means of a raising/lowering adjustment mechanism allows for adjusting overall height, thereby facilitating use by work personnel and making operations more convenient.

Classes IPC  ?

• H05K 5/00 - Enveloppes, coffrets ou tiroirs pour appareils électriques

Abrégé

A transcritical carbon dioxide refrigeration device for an artificial ice rink. The transcritical carbon dioxide refrigeration device comprises a compressor, an oil separator, a gas cooler, a cooling water tank, a throttling device, a carbon dioxide low-pressure circulation drum, a refrigerant pump and ice rink piping, wherein the oil separator and the carbon dioxide low-pressure circulation drum are connected to the compressor, the gas cooler is connected to the oil separator, the throttling device is further connected to the carbon dioxide low-pressure circulation drum, the refrigerant pump and the ice rink piping are connected to the carbon dioxide low-pressure circulation drum, the cooling water tank is connected to the gas cooler, and the ice rink piping comprises a support (1), arc-shaped support seats (2), arc-shaped clamp seats (3) and pipes (4). The placement height and spacing of the pipes (4) can be adjusted according to requirements by adjusting the arc-shaped support seats (2), and the aim of fixing pipes (4) with different pipe diameters by means of the matching of the arc-shaped support seats (2) and the arc-shaped clamp seats (3) can be achieved.

Classes IPC  ?

• F25B 9/00 - Machines, installations ou systèmes à compression dans lesquels le fluide frigorigène est l'air ou un autre gaz à point d'ébullition peu élevé
• F25C 3/02 - Procédés ou appareils spécialement adaptés à la production de glace ou de neige pour les sports d'hiver ou pour des loisirs similaires, p. ex. pour des installations sportivesProduction de neige artificielle pour les patinoires
• F25B 41/40 - Agencements de conduites de fluide
• F28F 9/013 - Supports auxiliaires pour les éléments pour les tubes ou les assemblages de tubes

Abrégé

The present invention relates to the technical field of computer network security analysis. Disclosed are a computer network security analysis system and method based on big data. The system comprises: a database, a network data processing unit and a network anomaly detection unit which are sequentially connected. The database is used for collecting website information of authenticated websites and non-authenticated websites, wherein the authenticated websites are websites that are authenticated to be secure, the non-authenticated websites are websites that are authenticated to be illegitimate, and the collection comprises storage, encryption, update, supplementation and replacement. The network data processing unit is used for acquiring a login website of a user, and performing data processing on data information content in a page of the login website, wherein the data processing comprises collection, recognition and backup. The network anomaly detection unit is used for detecting whether the login website is a secure website. The present invention reduces the probability of a user being deceived by a website, thereby maintaining the personal and property safety of the user during the process of surfing the Internet, and creating a healthy Internet surfing environment.

Classes IPC  ?

• H04L 9/40 - Protocoles réseaux de sécurité

Abrégé

The present invention relates to the technical field of big data archive management. Disclosed is an intelligent review and approval service system based on big data archive management. In the present invention, an affair handling information filling-in module displays an information template, and acquires filled-in information inputted by a user according to the information template; a preliminary review module acquires a preliminary review result; an intelligent review and approval module comprises a plurality of review and approval module models; the filled-in information, the preliminary review of which is up to standard, is inputted into a corresponding review and approval module model, so as to obtain a review and approval result of the type of an affair to be handled; and a review and approval result sending module is used for sending the review and approval result. In the present invention, a plurality of review and approval module models are constructed by means of machine learning, such that the efficiency and the automation level of a review and approval process can be improved.

Classes IPC  ?

• G06Q 10/10 - BureautiqueGestion du temps

Abrégé

Disclosed is an XGBoost-based flight delay cause prediction method, relating to the technical field of air traffic management. The method comprises: classifying flight delay cause categories according to traffic control data, associating each flight delay cause category with flight plan data and weather data, and performing data balancing processing on sample data; then, constructing an XGBoost-based flight delay cause prediction model, using flight plan characteristic factors flights and meteorological characteristic factors associated with the flights in the balanced sample data as input feature variables, and using the flight delay cause categories as target variables to be predicted and outputted by the model; finally, inputting a characteristic factor of a flight plan of a flight to be predicted and a meteorological characteristic factor associated with the flight into the trained flight delay cause prediction model, so that the model outputs a flight delay cause category. The present invention can effectively improve flight delay early warning and management capabilities.

Classes IPC  ?

• G06F 18/241 - Techniques de classification relatives au modèle de classification, p. ex. approches paramétriques ou non paramétriques
• G06F 18/214 - Génération de motifs d'entraînementProcédés de Bootstrapping, p. ex. ”bagging” ou ”boosting”

Abrégé

A moveable hot metal desiliconization and dephosphorization process, comprising the following steps: step I: preconfiguring a desiliconization task in a hot metal runner and a hot metal ladle, wherein a stirring head is inserted into the hot metal runner, powder inlets (3) are formed in the top of the stirring head, a powder outlet (6) is formed in each stirring blade (4) at the lower part of the stirring head, a powder channel (7) runs through the interior of the stirring head between each powder inlet (3) and the corresponding powder outlet (6), and oxygen or dust is injected into the hot metal runner through the channels for continuous desiliconization; and then carrying out skimming on the hot metal ladle to remove desiliconization slag; and step II: preconfiguring a dephosphorization task in a hot metal ladle transfer procedure, wherein an inert gas is used as a carrier in the procedure of transferring the hot metal ladle to a converter workshop, and in the transfer procedure, a bottom blowing system injects a dephosphorization agent into the hot metal ladle for continuous dephosphorization. The desiliconization task is preconfigured in the hot metal runner and the hot metal ladle, and part of the dephosphorization task is preconfigured in the hot metal ladle transfer procedure, so that the production flow is more compact, the smelting time is saved, and the converter smelting load is reduced.

Classes IPC  ?

• C21C 1/02 - Déphosphoration ou désulfuration
• C21C 1/04 - Élimination des impuretés autres que le carbone, le phosphore ou le soufre
• B22D 1/00 - Traitement des métaux en fusion dans la poche ou dans les chenaux de coulée avant le moulage
• C21B 7/14 - Dispositifs de déchargement, p. ex. pour le laitier

Abrégé

The present invention relates to the technical field of steel slag treatment methods. Disclosed is a method for treating steel slag on the basis of a library information service. The method comprises the following steps: inputting into a library information service processing system a process condition that is required to be met for steel slag treatment; by means of consulting existing steel slag treatment methods in the prior art and in view of the input process condition that is required to be met, the library information service processing system automatically generating a steel slag treatment method that meets the process condition; and treating steel slag according to the generated steel slag treatment method. In the method, the powerful information processing capability of a library information service processing system is used, such that a generated steel slag treatment method has a better treatment effect on the basis of learning the prior art, and magnetic substances in steel slag can be effectively recycled.

Classes IPC  ?

• G06F 16/9035 - Filtrage basé sur des données supplémentaires, p. ex. sur des profils d'utilisateurs ou de groupes

Abrégé

The present disclosure relates to the technical field of mineral powder processing, and provides a mineral powder pellet drying device, the device includes a drying box body and a material preparation trough, and shunting buffer assemblies are configured to withstand the impact of falling mineral powder pellets in an elastically concave mode and guide the mineral powder pellets to two sides for dispersion. The device in the present disclosure has a simple structure, and is capable of buffering the impact strength of the falling mineral powder pellets, so that the breakage of the mineral powder pellets caused by a fast falling speed is avoided, therefore, the device in the present disclosure has a better drying effect and is highly applicable.

Classes IPC  ?

• F26B 25/00 - Parties constitutives d'application générale non couvertes par un des groupes ou
• F26B 3/04 - Procédés de séchage d'un matériau solide ou d'objets impliquant l'utilisation de chaleur par convection, c.-à-d. la chaleur étant transférée d'une source de chaleur au matériau ou aux objets à sécher par un gaz ou par une vapeur, p. ex. l'air le gaz ou la vapeur circulant sur ou autour du matériau ou des objets à sécher

Abrégé

Provided is a depression therapy apparatus comprising two sets of circular plates. A circular pipe is connected between the middle parts of the two sets of circular plates, and a music player is arranged inside the circular pipe; a sound outlet mesh is formed in the circle center of the set of circular plates on the upper side; an annular sponge is connected to the outer side of the circular pipe and between the two sets of circular plates; a plurality of sets of arc-shaped connecting rods are uniformly connected between the edges of the outer sides of the two sets of circular plates; the outer sides of the plurality of sets of arc-shaped connecting rods are sleeved with rubber rings; a plurality of sets of odor dispersing meshes are uniformly arranged on the two sets of circular plates and on the outer side of the circular pipe, connecting blocks are connected to the outer side of the set of circular plates on the lower side and the two sides of a blocking plate, respectively, and supporting frames are connected to the other sides of the connecting blocks , respectively. Compared with the prior art, the present invention has the advantages that the depression therapy apparatus integrates aromatherapy and sound therapy in one device, so that the structure is small, and wearing and placement are convenient.

Classes IPC  ?

• A61M 21/00 - Autres dispositifs ou méthodes pour amener un changement dans l'état de conscienceDispositifs pour provoquer ou arrêter le sommeil par des moyens mécaniques, optiques ou acoustiques, p. ex. pour mettre en état d'hypnose

Abrégé

An employment anxiety decompression device, comprising an arc-shaped keel (1). A latex pad (2) wraps the arc-shaped keel (1); the outer side of the latex pad (2) is packaged by anti-bacterial leather (3); two ends of the arc-shaped keel (1) respectively penetrate out of the latex pad (2) and the anti-bacterial leather (3) and are connected to frame bodies (4); a player (5) is connected inside each frame body (4); a grip (8) is connected to the upper side of each frame body (4); a rotating wheel (9) is rotatably sleeved on the upper side of each grip (8); and a plurality of groups of massage blocks I (10) are connected to the outer side of each rotating wheel (9). The decompression device has a small size, light weight, and low costs, is easy to use at home, has decompression and relieving functions, and can relax muscles and spirit of people suffering from employment anxiety.

Classes IPC  ?

• A63B 23/12 - Appareils d'exercice spécialement adaptés à des parties déterminées du corps pour les membres, c.-à-d. supérieurs ou inférieurs, p. ex. en même temps pour les membres supérieurs

Abrégé

A method for smelting low-phosphorus high-manganese steel based on reduction dephosphorization of ferromanganese is provided in the present application, relating to the technical field of high-manganese steel smelting, where the dephosphorization of ferromanganese is carried out under reducing atmosphere conditions through mediate-frequency induction furnace to obtain molten ferromanganese with lower phosphorus content, which is subsequently mixed with low phosphorus molten steel obtained by smelting in oxidative period of electric arc furnace in LF ladle refining furnace to make the Mn content of steel reach the requirement of high-manganese steel, and smelting is carried out under the condition of reducing atmosphere by adjusting the composition and temperature of the molten steel to meet the requirements of the target composition of the steel grade before tapping the steel.

Classes IPC  ?

• C22C 33/06 - Fabrication des alliages ferreux par fusion en utilisant des alliages-mère
• C21C 7/00 - Traitement à l'état liquide des alliages ferreux, p. ex. des aciers, non couverts par les groupes
• C21C 7/064 - DéphosphorationDésulfuration

Abrégé

A device for producing a carbon-nitrogen synergistic ultrahigh-nitrogen steel by means of multi-furnace pressure casting. The device comprises a pressurizable steel ladle (22), a pressurizable casting chamber (13) located at the bottom of the steel ladle, and a casting mold (14) provided inside the casting chamber. A tap hole at the bottom of the steel ladle is provided with a three-layer slide gate I (9), and a furnace lid II (18) at the top of the casting chamber is provided with a three-layer slide gate II (11); a high-pressure-resistant pipeline I (20) is connected to a lower sliding plate of the three-layer slide gate I, and a high-pressure-resistant pipeline II (19) is connected to an upper sliding plate of the three-layer slide gate II; and the high-pressure-resistant pipeline I and the high-pressure-resistant pipeline II are connected by means of a multi-furnace conversion joint (10). Further provided is a method for producing a carbon-nitrogen synergistic ultrahigh-nitrogen steel by means of multi-furnace pressure casting. By using the device, high-nitrogen alloy homogenization of molten steel is achieved in the pressurizable steel ladle by performing bottom-blowing nitrogen stirring and increasing the nitrogen pressure; and pressurizing solidification is performed in the casting chamber, and the escaping of nitrogen is inhibited. The pressurizable steel ladle and the pressurizable casting chamber are separately designed, and pressurizing casting of different casting materials in multiple furnaces can be achieved by means of multiple pressurizable casting chambers and multi-furnace conversion joints, thereby improving the production efficiency of a special steel type. The cast ultrahigh-nitrogen steel has a high nitrogen content and uniform components, and can satisfy the corrosion-resistant usage requirements in special environments such as train rails, railroad frogs and ocean engineering.

Classes IPC  ?

• B22D 27/13 - Traitement du métal dans le moule pendant qu'il est liquide ou plastique en appliquant une pression en utilisant la pression d'un gaz
• B22D 1/00 - Traitement des métaux en fusion dans la poche ou dans les chenaux de coulée avant le moulage
• B22D 41/22 - Fermetures du type à tiroir, c.-à-d. comportant une plaque fixe et une plaque mobile en contact mutuel et dont le glissement permet de faire varier la section de passage

Abrégé

The present invention belongs to the technical field of air treatment apparatuses. Disclosed is an air filtering vehicle, comprising a vehicle body, wherein purification mechanisms are arranged above the vehicle body; storage mechanisms are arranged on an upper surface of the vehicle body; several purification mechanisms are fixed to the tops of the storage mechanisms; air supply mechanisms are fixed between the purification mechanisms; each purification mechanism comprises a purification assembly, a blocking assembly and a cleaning assembly; the cleaning assembly is arranged at the top of the purification assembly; a purification tank is arranged on the vehicle body; and an anti-splash mesh is arranged at the top of the purification tank. In the present application, the self-cleaning of a dust removal structure is realized by means of mutual matching, so that it is unnecessary for a user to frequently maintain the air filtering vehicle, and therefore the air filtering vehicle is more convenient to use. The three-dimensional anti-splash mesh on the purification tank is designed to effectively prevent a purification liquid from splashing out.

Classes IPC  ?

• B01D 53/78 - Procédés en phase liquide avec un contact gaz-liquide
• B03C 3/017 - Combinaison de la séparation par effet électrostatique avec d'autres procédés, non prévue ailleurs

Abrégé

The present invention relates to the technical field of mineral powder treatments. Disclosed is a mineral powder pellet drying apparatus. The drying apparatus comprises a drying box and a charging chute, and also comprises a plurality of rows diverting and buffering assemblies, a plurality of rows of anti-breaking assemblies, and a driving assembly, wherein each anti-breaking assembly comprises a central rod shaft, an adjusting rod and two anti-falling plate members, with an end of the adjusting rod slidably penetrating a side wall of the drying box, and a side portion of the adjusting rod being movably connected to both the anti-falling plate members by means of push-pull connecting rods; the driving assembly is arranged on the side wall of the drying box, and is connected to all the adjusting rods of the plurality of rows of anti-breaking assemblies; each diverting and buffering assembly is used for bearing the impact of falling mineral powder pellets in an elastic recess manner and guiding and dispersing the mineral powder pellets to two sides; and the drying box is also provided with a hot air blower assembly for guiding a hot air flow into the drying box. The present invention has a simple structure, can buffer the impact of falling mineral powder pellets to prevent the mineral powder pellets from breaking due to a great falling speed, and has a good drying effect and strong practicability.

Classes IPC  ?

• F26B 17/00 - Machines ou appareils à mouvement progressif pour le séchage d'un matériau en vrac, à l'état plastique ou sous forme fluidisée, p. ex. granulés, fibres brutes
• F26B 21/00 - Dispositions pour l'alimentation ou le réglage de l'air ou des gaz pour le séchage d'un matériau solide ou d'objets
• F26B 25/00 - Parties constitutives d'application générale non couvertes par un des groupes ou
• F26B 25/02 - Utilisation de mécanismes d'entraînement non couverte par une autre sous-classe

Abrégé

A rapid cooling device for a server cabinet. The rapid cooling device comprises: a cabinet body; a support mechanism, which is fixedly connected to inner sides of the cabinet body; and a heat dissipation mechanism, which is arranged on an outer side of the support mechanism, wherein the heat dissipation mechanism comprises: a control assembly, which is fixedly connected to the inner sides of the cabinet body and is connected to the support mechanism; an air intake assembly, which is connected to a cabinet wall at one side of the cabinet body and is connected to the control assembly; and an air discharge assembly, which is connected to a cabinet wall at the other side of the cabinet body and is connected to the control component. By means of providing the support mechanism and the heat dissipation mechanism, not only can multiple instances of heat dissipation of an electronic device be achieved, but air intake and air discharge are also accelerated simultaneously, thereby greatly improving the heat dissipation efficiency of an apparatus; and flowing air can further cool a heat dissipation apparatus itself, thereby ensuring the heat dissipation capability of the apparatus.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

The present invention belongs to the field of data analysis and prediction. Disclosed is a subject-based document retrieval prediction method. The method comprises: constructing a subject resource database, and constructing a subject retrieval word bank for a digital resource of a document; during each retrieval, storing retrieval data in a file, performing search matching on the retrieval data in the file, so as to determine a retrieval frequency, constructing a retrieval information knowledge graph, associating historical retrieval data of other users, so as to perfect the knowledge graph, and finally, determining a retrieval strategy according to the knowledge graph, and then predicting retrieved documents and sorting same; when a user browses a retrieval result, recording and associating document data which is browsed and downloaded by the user, analyzing the data, and determining the degree of association between the retrieval strategy and the predicted documents; and predicting retrieval results of the other users according to the degree of association between the retrieval strategy and the predicted documents. Retrieved documents are predicted, sorted and outputted, thereby improving the retrieval experience of users.

Classes IPC  ?

• G06F 16/33 - Requêtes

Abrégé

The present invention belongs to the technical field of biomedicine, and specifically relates to a method for preparing a single cell suspension of nerve tissues. In the present invention, nerve tissues are treated using a combined mechanical and enzymatic method, and single nuclear cells can be separated from the nerve tissues by using a Percoll discontinuous density gradient centrifugation method, thus providing a high-activity and high-purity cell sample for flow cytometry technology analysis. The results of evaluating the cell viability by means of trypan blue staining and flow cytometry show that the survival rate of the cells extracted by the method is high; and the separation process does not affect the cell viability, and does not change intracellular and extracellular marker proteins of the cells.

Classes IPC  ?

• C12N 5/079 - Cellules neurales

Abrégé

Disclosed is a stereophotogrammetric method based on binocular vision, including the following steps: image acquisition, image correction and stereo matching are performed; cost matching and cost aggregation are performed on images of different sizes after correction; image segmentation is performed on the corrected image to determine edge pixel points of the object to be measured; and a pixel distance at an edge of the object to be measured is calculated to measure the size of the object. The method of the present invention enhances the matching accuracy of contour pixels of the object to be measured and improves the measurement accuracy.

Classes IPC  ?

• G01C 11/06 - Restitution des photos par comparaison de plusieurs photos de la même zone
• G01C 11/30 - Restitution des photos par triangulation
• G06T 7/13 - Détection de bords
• G06T 7/149 - DécoupageDétection de bords impliquant des modèles déformables, p. ex. des modèles de contours actifs
• G06T 7/90 - Détermination de caractéristiques de couleur

Abrégé

The present invention relates to the technical field of disinfectant mixing. Disclosed is a disinfectant mixer, comprising a box body, wherein the bottom of the box body is fixedly connected to supporting legs, the top of the box body is fixedly connected to a feeding mechanism, and the bottom of the box body is fixedly connected to a discharge port. The box body is provided with a rotary sleeve and a driving mechanism, wherein the rotary sleeve is rotatably connected to a delivery pipe mechanism therein, the delivery pipe mechanism is fixedly connected to a rotary feeding mechanism, and a spacing adjustment mechanism is fixedly connected between the rotary sleeve and the rotary feeding mechanism; the rotary sleeve is fixedly connected to several extendable tube mechanisms; and a pressure adjustment mechanism is provided between the delivery pipe mechanism and each extendable tube mechanism. In the present invention, the rotary sleeve can be driven by means of providing the driving mechanism, such that the extendable tube mechanisms are driven to rotate, thereby stirring and mixing materials; and the relative positions of the rotary sleeve and the delivery pipe mechanism can be adjusted by means of the spacing adjustment mechanism, and the state of the extendable tube mechanisms can be adjusted with the help of the pressure adjustment mechanisms.

Classes IPC  ?

• B01F 27/83 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe sensiblement vertical les agitateurs étant en outre déplacés radialement, ou oscillant autour d'un axe perpendiculaire à l'axe de l'agitateur
• B01F 35/71 - Mécanismes d'alimentation

Abrégé

This disclosure provides an unmanned survey vessel with an anti-overturning structure and an anti-overturning method of same, and relates to the anti-overturning technique field of unmanned survey vessels. The unmanned survey vessel includes a vessel body and a plurality of buoys. The vessel body is a hollow frame of which a middle is provided with a discharge space. An uptight rod is vertically fixed at an upper-end of the tail part of the vessel body. A supporting beam is horizontally fixed at an upper-end of the upright rod. The supporting beam extends to a bow of the vessel. A rectangular notch is formed in one end, close to the bow, of the supporting beam. One end close to the bow inside the rectangular notch is rotatably provided with a guide rod through a pin shaft. The plurality of buoys are equally divided into two groups which are adjustably arranged on two side walls in the advancing direction of the vessel body respectively. When the vessel body encounters strong winds and waves, the waves hit the vessel body and then fall into the discharge space, and an impact surface with the vessel body is lowered, so that the wave resistance and overturning resistance are enhanced. In addition, it is ensured that the vessel body can stably float on the water surface through the buoys, so that circuit failures caused by immersion of a measuring instrument on the vessel body are avoided.

Classes IPC  ?

• B63B 43/14 - Amélioration de la sécurité des navires, p. ex. contrôle des avaries, non prévue ailleurs réduisant le risque de chavirer ou de sombrer par augmentation de la flottabilité employant des éléments flottants extérieurs au bord
• B63B 35/00 - Embarcations ou structures flottantes similaires spécialement adaptées à des finalités spécifiques et non prévues ailleurs

Abrégé

The present disclosure relates to a fabricated concrete connection structure and a construction method, the structure including shear wall members. Tops of the shear wall members are fixedly connected to a plurality of connection female heads, and the plurality of connection female heads are arranged at equal intervals along length directions of the shear wall members. Reinforcing cage pre-formed holes penetrate through the tops and bottoms of the shear wall members. A plurality of connection male heads are arranged at equal intervals along the length directions of the shear wall members, and the plurality of connection male heads are in one-to-one correspondence with the plurality of connection female heads. One sides of the bottoms of the shear wall members are fixedly connected to folding plates. The present disclosure can achieve the purpose of connecting the shear wall members conveniently and quickly, improving the efficiency and quality of construction.

Classes IPC  ?

• E04B 1/04 - Structures constituées principalement d'éléments porteurs en forme de blocs ou de dalles les éléments étant en béton, p. ex. en béton armé, ou en un autre matériau pierreux

Abrégé

An easy-to-assemble mounting rack for a deformation detection device for a steel structure and an assembling method thereof are provided. The easy-to-assemble mounting rack includes mounting parts including a back mounting plate, an operating rod, an adjusting seat, a ball-shaped block and an upright rod. The upright rod is vertically fixed at the bottom end face of the adjusting seat. A ball-shaped hole is formed in the adjusting seat. The ball-shaped block is rotatably embedded in the ball-shaped hole. A plug-in hole is formed in a radial direction of the ball-shaped block. One end of the operating rod slidably penetrates through the plug-in hole and is detachably connected with the back mounting plate. Screw holes directly opposite to the mounting holes of the deformation detection device are formed on the back mounting plate. The other end of the operating rod is fixedly sleeved with a counterweight plate.

Classes IPC  ?

• G01D 11/30 - Supports spécialement adaptés à un instrumentSupports spécialement adaptés à un ensemble d'instruments

Abrégé

Disclosed in the present invention is a method for preparing high-nitrogen stainless steel by selective laser melting of pure metal prepared powder, comprising the steps of: preparing a mixed powder raw material according to chemical components of a target product; putting the mixed powder raw material into a ball mill for ball milling and mixing to obtain prepared powder; putting the mixed prepared powder into a laser 3D printer powder container; vacuumizing a cavity of the laser 3D printer, then introducing nitrogen, and preheating a substrate to start printing; and after the printing is completed, taking out a sample to obtain high-nitrogen stainless steel. In the prepared powder selective laser melting method, high-nitrogen printing powder is obtained by a powder preparation mode, the content of nitrogen in the product is guaranteed, and the cost of preparation for high-nitrogen steel printing powder is reduced; the reaction pressure does not need to be increased in a reaction process, the printing reaction cost is reduced, and the safety is improved; by adjusting the content of elements in the mixed powder raw material, various high-nitrogen steel printing powder can be prepared, and the feasibility of high-nitrogen steel 3D printing is improved.

Classes IPC  ?

• B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
• B22F 9/04 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau solide, p. ex. par broyage, meulage ou écrasement à la meule

Abrégé

An intelligent campus architecture teaching system based on combining virtuality and reality, which relates to the field of teaching systems. The teaching system comprises a learning terminal module, a theoretical knowledge learning module, a virtuality-reality combined simulation module, and a scoring module. The learning terminal module is used for providing a basis for the theoretical knowledge learning module, can update and modify the theoretical learning knowledge in real time, and send the updated and modified information to the theoretical knowledge learning module. The theoretical knowledge learning module is used for providing a learning platform for learners. By means of the present system, personnel teaching can be facilitated, and subsequently the students going to construction sites have higher safety awareness and can better protect themselves, such that potential safety hazards are reduced; labor costs for enterprises are reduced, which is beneficial for the practical training of students; scoring can be performed according to the learning results of learners, reminders can be provided for insufficient learning areas, improvement of learners is facilitated, and teaching quality is significantly improved.

Classes IPC  ?

• G06Q 10/0639 - Analyse des performances des employésAnalyse des performances des opérations d’une entreprise ou d’une organisation
• G09B 7/02 - Dispositifs ou appareils d'enseignement à commande électrique procédant par questions et réponses du type où l'élève doit donner une réponse à la question posée, ou bien où la machine donne une réponse à la question posée par l'élève
• G06Q 50/08 - Construction
• G06Q 50/20 - Éducation
• G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
• G06F 18/23213 - Techniques non hiérarchiques en utilisant les statistiques ou l'optimisation des fonctions, p. ex. modélisation des fonctions de densité de probabilité avec un nombre fixe de partitions, p. ex. K-moyennes

Abrégé

Disclosed is a method and application for constructing a WSB2 gene knockout monoclonal cell strain and a use thereof. The method comprises utilizing a CRISPR/Cas9 system; first, two sgRNA sequences are designed for a WSB2 gene, and a recombinant plasmid is constructed by utilizing a molecular cloning technique; then, the recombinant plasmid is transfected into 293T cells for virus packaging, MDA-MB-231 cells are transfected with a collected virus solution, and puromycin screening and monoclonal processing are performed; then, genomic DNA of a monoclonal cell strain is extracted, WSB2 gene level sequencing and identification are performed, and a WSB2 gene knockout MDA-MB-231 cell line is obtained.

Classes IPC  ?

• C12N 15/86 - Vecteurs viraux
• C12N 15/66 - Méthodes générales pour insérer un gène dans un vecteur pour former un vecteur recombinant, utilisant le clivage et la ligatureUtilisation de linkers non fonctionnels ou d'adaptateurs, p. ex. linkers contenant la séquence pour une endonucléase de restriction
• C12N 15/64 - Méthodes générales pour la préparation du vecteur, pour son introduction dans la cellule ou pour la sélection de l'hôte contenant le vecteur
• C12N 15/113 - Acides nucléiques non codants modulant l'expression des gènes, p. ex. oligonucléotides anti-sens
• C12N 5/10 - Cellules modifiées par l'introduction de matériel génétique étranger, p. ex. cellules transformées par des virus
• C12Q 1/02 - Procédés de mesure ou de test faisant intervenir des enzymes, des acides nucléiques ou des micro-organismesCompositions à cet effetProcédés pour préparer ces compositions faisant intervenir des micro-organismes viables

Abrégé

The present invention relates to the related field of semitrailer fifth wheels. Provided is a convenient, safe and light-weight locking device for a fifth wheel. The locking device comprises a pull rod, a limiting block, a safety lock, a lever, a thrust spring, a hook lock, tapered iron and a tapered iron pin. The pull rod is connected to the thrust spring and the tapered iron, and is used for controlling the tapered iron to move. The hook lock is fixed at a point A, and can rotate along with the point A. During the rotation, a point E of the hook lock can collide with a point F of the lever. The limiting block is fixed to a side face of a fifth wheel housing, and is used for fixing the pull rod, thereby preventing the pull rod from sliding. The lever is fixed at a point B and a point C on an inner surface of the fifth wheel housing. The safety lock, the tapered iron pin and the thrust spring are used for controlling the position of the tapered iron. By means of the cooperative arrangement of the pull rod, the tapered iron pin, the safety lock and the thrust spring, the semitrailer fifth wheel can be locked.

Classes IPC  ?

• B60D 1/14 - Organes de traction ou organes de remorquage caractérisés par leur type
• B60D 1/28 - Couplages de tractionAttelagesOrganes de tractionDispositifs de remorquage caractérisés par des dispositions en vue de fonctions particulières pour empêcher un décrochage fortuit, p. ex. accessoires de sécurité

Abrégé

Disclosed in the present invention is a stereophotogrammetric method based on binocular vision. The method includes the following steps: image collection and image correction; stereo matching, which involves performing cost matching and cost aggregation on corrected images of different sizes, wherein cost matching refers to fusing a pixel cost, a color cost and a gradient cost of each image, so as to obtain a matching cost of the image, and cost aggregation refers to applying a minimum spanning tree and a scanning line optimization aggregation policy to the costs obtained by the cost matching of the images of different sizes, so as to compute and obtain an initial disparity map of the image of each size, and acquiring an optimal aggregation cost of an image of an original size according to a multi-size aggregation model; performing disparity computation and disparity optimization on the obtained aggregation cost, so as to acquire a disparity map; performing image segmentation on the corrected images, and determining edge pixel points of an object to be subjected to measurement; and computing an edge pixel distance of said object, and thereby completing the size measurement of said object. By means of the method in the present invention, the matching precision of contour pixels of an object to be subjected to measurement is enhanced, thereby improving the measurement precision.

Classes IPC  ?

• G06T 7/60 - Analyse des attributs géométriques
• G01B 11/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques
• G01B 11/24 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes
• G06T 7/593 - Récupération de la profondeur ou de la forme à partir de plusieurs images à partir d’images stéréo
• G06T 7/13 - Détection de bords

Abrégé

The present invention belongs to the field of molecular biology. A TouchDown PCR detection method for detecting the expression level of circular RNA. The method comprises: extracting total RNA from a human liver cancer cell line HepG2 cell, subjecting the total RNA to reverse transcription into cDNA, and carrying out real-time fluorescence quantitative detection on the circHDAC2 fragment by means of the TouchDown PCR program. Compared with common PCR amplification, the method has a better specificity and sensitivity to the amplification of circular RNA. The method reduces the difficulty of primer design, and can efficiently detect the expression level of circular RNA, laying a foundation for deep research into circular RNA in the future.

Classes IPC  ?

• C12Q 1/6851 - Amplification quantitative
• C12N 15/11 - Fragments d'ADN ou d'ARNLeurs formes modifiées

Abrégé

2222 generated by iron and steel enterprises.

Classes IPC  ?

• C22B 7/02 - Mise en œuvre des cendres folles
• C22B 19/20 - Obtention du zinc autrement que par distillation
• C22B 21/00 - Obtention de l'aluminium
• B01D 53/78 - Procédés en phase liquide avec un contact gaz-liquide

Abrégé

332233222 and the waste residues.

Classes IPC  ?

• C25C 3/36 - Alliages obtenus par réduction cathodique de tous leurs ions
• C01F 11/18 - Carbonates
• C21C 7/076 - Emploi de scories ou de flux comme agents traitants

Abrégé

Disclosed in the present invention is an electrically adjustable hypnotic bed, which relates to the field of hypnotic beds, the hypnotic bed comprising a bottom plate and a backrest, wherein an electrically adjustable mechanism is fixedly connected in the bottom plate, and the electrically adjustable mechanism comprises an electric motor, a rotating shaft, a threaded rod, a lower telescopic arm, a threaded sleeve, an upper telescopic arm, and a pulley. According to the present invention, the electrically adjustable mechanism is provided, and an administrator places the electrically adjustable hypnotic bed at a proper position in a room; when needing to be hypnotized, a user switchs on a switch of the electric motor using a remote control, the electric motor starts to rotate to drive the rotating shaft and the threaded rod to rotate, the threaded sleeve is driven to move down by means of threaded engagement, the upper telescopic arm is then driven to move down and enter the lower telescopic arm, and the pulley is also driven to move down, such that the hypnotic bed is adjusted; hypnosis can begin when the hypnotic bed is adjusted to be in a comfortable position; and in this way, the user is hypnotized at a more comfortable posture, while the trouble caused by manual adjustment by the user is eliminated.

Classes IPC  ?

• A47C 17/17 - Canapés, divans, causeuses ou similaires avec éléments mobiles pour l'emploiFauteuils-lits transformables en lits par basculement ou pivotement du dossier les déplacements du siège et du dossier étant combinés
• A61G 7/043 - Lits pour favoriser ou observer le sommeil

Abrégé

Disclosed in the present invention is a portable atomizing spraying device, comprising a handheld rod, a spray head, an air intake pipe and a liquid intake pipe, wherein the handheld rod is fixedly connected to the center of a side surface of the spray head; a group of fine air holes are provided at the upper left corner of the spray head; the air intake pipe is hermetically connected to the positions of the fine air holes of the spray head; a group of fine liquid holes are provided at the lower left corner of the spray head; a fan is arranged inside the spray head; the direction of rotation of the fan is parallel to a liquid intake direction of the handheld rod; a lifting structure is fixedly arranged on an inner side wall of the front section of the handheld rod; one end of the liquid intake pipe is embedded in the rear section of the handheld rod, and the other end of the liquid intake pipe is arranged in a disinfectant tank; and compressed air is simultaneously input in parallel through the handheld rod and the air intake pipe. The device can reduce the burden on an arm of a user and improve the atomization effect.

Classes IPC  ?

• A61L 2/22 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contactAccessoires à cet effet utilisant des substances chimiques des substances à phases, p. ex. des fumées, des aérosols
• B05B 7/00 - Appareillages de pulvérisation pour débiter des liquides ou d'autres matériaux fluides provenant de plusieurs sources, p. ex. un liquide et de l'air, une poudre et un gaz

Abrégé

The present invention relates to the technical field of servers, and provides a server cabinet with convenient installation. The server cabinet comprises a cabinet body, an installation plate, a pressing assembly, an air supply assembly and a moving assembly, wherein the installation plate is fixedly arranged at one side of the cabinet body, a through hole for a ground screw to pass therethrough is formed on the installation plate, an annular air passage can further be arranged inside the installation plate, the moving assembly is arranged at one side of the installation plate away from the cabinet body and is configured to provide rolling support for the cabinet body, the air supply assembly is arranged at one side of the installation plate, the air supply assembly and the moving assembly are both in communication with the annular air passage, an air vent pipe is arranged on a side wall of the installation plate, and an exhaust valve is arranged in the air vent pipe. According to the embodiments of the present invention, compared with the prior art, the server cabinet can conveniently move above a ground bolt, a relative position between an installation hole of the server cabinet and the ground bolt can be flexibly adjusted, and the server cabinet has the advantages of an excellent installation effect and a high installation efficiency.

Classes IPC  ?

• H05K 7/14 - Montage de la structure de support dans l'enveloppe, sur cadre ou sur bâti

Abrégé

The present invention relates to the technical field of building engineering, and particularly to a prefabricated concrete connection structure and a construction method. The prefabricated concrete connection structure comprises a shear wall member, wherein several female connection heads are fixedly connected at the top of the shear wall member, the several female connection heads are equidistantly arranged in a length direction of the shear wall member, several reinforcement cage reserved holes are provided in the shear wall member, the several reinforcement cage reserved holes are equidistantly arranged in the length direction of the shear wall member, the several reinforcement cage reserved holes are arranged spaced apart from the several female connection heads, the reinforcement cage reserved holes penetrate the top and the bottom of the shear wall member, several male connection heads are arranged at the bottom of the shear wall member, the several male connection heads are equidistantly arranged in the length direction of the shear wall member, the several male connection heads are in one-to-one correspondence with the several female connection heads in position, and a folded-up plate is fixedly connected on one side of the bottom of the shear wall member. The present invention can achieve the purpose of easily and rapidly connecting the shear wall member and improve the efficiency and quality of construction.

Classes IPC  ?

• E04B 2/00 - Murs, p. ex. cloisons, pour bâtimentsStructure des murs en ce qui concerne l'isolationAssemblages spécifiques pour les murs
• E04G 21/02 - Transport ou travail du béton ou de matériaux similaires susceptibles d'être mis en tas ou coulés
• E04G 11/06 - Coffres, coffrages ou faux œuvre pour la fabrication des murs, planchers, plafonds ou toits pour murs, p. ex. courbes
• E04G 9/08 - Panneaux de coffrage ou éléments analogues susceptibles d'être repliés, pliés ou enroulés
• E04G 17/14 - Dispositions pour entretoiser ou étayer les coffrages de mursDispositifs pour aligner les coffrages
• E04G 17/065 - Ligatures dont les éléments sollicités en traction sont filetés pour permettre leur fixation ou leur mise en tension
• E04C 5/03 - Éléments d'armature en métal, p. ex. avec des revêtements rapportés de faible résistance à la flexion, c.-à-d. s'étendant essentiellement dans une ou deux dimensions avec échancrures, saillies, nervures ou analogues pour augmenter l'adhérence du béton
• E04C 5/06 - Éléments d'armature en métal, p. ex. avec des revêtements rapportés de haute résistance à la flexion, c.-à-d. s'étendant essentiellement dans trois dimensions, p. ex. poutres en treillis
• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers
• E04G 17/00 - Pièces d'assemblage ou autres pièces auxiliaires pour coffre, faux œuvre ou coffrage
• E04G 21/00 - Préparation, transport ou travail sur place des matériaux ou des éléments de constructionAutres dispositifs ou mesures concernant les travaux de construction
• E04G 19/00 - Opérations connexes sur coffres, p. ex. le démontageDispositifs de nettoyage

Abrégé

A foldable spraying device, comprising a connecting rod (3) and a folding spray head, wherein a liquid inlet pipe (2) is inserted into a front end of the connecting rod (3); compressed air is introduced from an air inlet of the connecting rod (3); a housing of the folding spray head comprises an edge body (17) at either end and a middle body (16), the edge body (17) being connected to the middle body (16) by means of a rotating shaft (14); and the folding spray head further comprises a folding assembly, the folding assembly consisting of a sleeve (6), a compression spring (8), a sleeve spring (9), a recovery spring (10), a contact (11) and a clamping head (15), and the sleeve (6) sleeving a joint between the edge body (17) and the middle body (16). The spraying device can be folded to change a spraying direction during application, and is thus convenient to apply.

Classes IPC  ?

• A01M 7/00 - Adaptations ou aménagements particuliers des appareils de pulvérisation de liquides aux fins couvertes dans la présente sous-classe

Abrégé

A stretching apparatus for physical exercise. The stretching apparatus comprises a mounting seat (1), wherein a fixed seat (2) is mounted on the mounting seat (1), a water storage tank (3) is mounted at the bottom of the fixed seat (2), and a stretching mechanism (8) is movably mounted on the fixed seat (2). The stretching apparatus further comprises: a driving mechanism (4), wherein a rotating shaft (47) is mounted on the driving mechanism (4), the rotating shaft (47) is connected to a control mechanism (6) and a conveying mechanism (7) separately, and the control mechanism (6) comprises a rotating seat (61), a clamping member (63), a shifting member (64), a rotating member (65), an elastic member (66) and a connecting seat (67). The stretching apparatus for physical exercise can automatically add a stretching weight to the stretching mechanism by means of the stretching mechanism, the driving mechanism, the control mechanism and the conveying mechanism, thereby improving the efficiency and quality of physical exercise of a user.

Classes IPC  ?

• A63B 23/12 - Appareils d'exercice spécialement adaptés à des parties déterminées du corps pour les membres, c.-à-d. supérieurs ou inférieurs, p. ex. en même temps pour les membres supérieurs
• A63B 21/062 - Poids actionnés par l'utilisateur comprenant un guide pour des rangées verticales de poids

Abrégé

An air filtering device, comprising a vehicle body (1), several purifying devices (2) being fixed on the vehicle body (1); and a purifying box (6), wherein electrostatic plates (9) are arranged on two sides of the interior of the purifying device (2), an air inlet (3) is provided at the top of the purifying device (2), and an air inlet fan (4) is arranged at the bottom of the air inlet (3); and an exhaust fan (8) is arranged at an inner side of the bottom of the purifying device (2), an outlet of the exhaust fan (8) is in communication with an air outlet pipe (5), the air outlet pipe (5) extends into the purifying box (6), and the purifying box (6) is filled with a purifying liquid. The addition of water into the purifying box (6) can satisfy the requirements of conventional use, and achieve a humidifying function during filtering; and the addition of a NaOH solution into the purifying box (6) can remove various pollutants, which is suitable for serious indoor pollution, and moreover, the spray design enlarges the contact area between air and the liquid, and improves the filtering effect.

Classes IPC  ?

• F24F 13/28 - Agencement ou montage de filtres
• F24F 8/10 - Traitement, p. ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p. ex. par filtrage
• F24F 6/12 - Humidification de l'air par dispersion d'eau dans l'air

Abrégé

A modified screen printed electrode, an ochratoxin aptamer-based competitive biosensor and a detection method. The present invention relates to the technical field of biosensors. A nanoporous gold modification layer is fixed on a screen printed electrode, and an ochratoxin aptamer complementary strand is fixed on the surface of the electrode by means of forming an Au-S bond with the nanoporous gold, and is then hybridized with an aptamer strand to form Apt/cDNA/NPG/SPCE. A material to be tested is qualitatively and quantitatively detected on the basis of the principle of competitive biosensors, so that the detection method is simple, and has a high stability and a good specificity and reproducibility.

Classes IPC  ?

• G01N 27/327 - Électrodes biochimiques

Abrégé

A PAMAM/nanoporous gold-modified screen printing carbon electrode aptamer biosensor, and a preparation method therefor and the use thereof. Mercaptoethylamine is loaded onto a nanoporous gold-modified screen printing electrode to form an Au-S bond, then PAMAM is fixed to the surface of the electrode using a glutaraldehyde cross-linking agent, and then the amino of PAMAM is linked to the amino in an ochratoxin A aptamer using a glutaraldehyde cross-linking agent so as to modify the surface of the PAMAM/NPG/SPCE sensor with the ochratoxin A aptamer. The biosensor can be used as a probe to achieve the specific detection of ochratoxin A. The PAMAM/nanoporous gold-modified screen printing carbon electrode aptamer biosensor has the advantages of a strong specificity, a high sensitivity, etc., can be miniaturized, does not need professional operators to operate it, and also has the advantages of a high efficiency, portability, low cost, etc.

Classes IPC  ?

• G01N 27/327 - Électrodes biochimiques
• G01N 27/30 - Électrodes, p. ex. électrodes pour testsDemi-cellules
• G01N 27/48 - Systèmes utilisant la polarographie, c.-à-d. la mesure des variations d'intensité sous une tension qui varie lentement

Abrégé

A review material classified storage device for ideological and political teachings, the device comprising a bookrack (1). A first recess (2) and second recesses (3) are provided in the upper end of the bookrack (1). The first recess (2) and the second recesses (3) are perpendicularly distributed and in communication with each other. An adjusting assembly (4) is arranged between inner walls of the first recess (2) and the second recesses (3). Clamping assemblies (5) are arranged at the upper end of the bookrack (1). Under the action of the adjusting assembly (4), the space between a plurality of clamping assemblies (5) can be adjusted in real time, such that different quantities of review materials are placed, the classified review materials are added subsequently, and the subsequent classification and query work of workers is facilitated. Moreover, under the action of the clamping assemblies (5), the review materials can be subjected to a dampproof treatment in real time, such that the review materials are prevented from generating mold stains and unpleasant odors due to the review materials being in a dark and wet environment for a long time, and the review materials are thus protected.

Classes IPC  ?

• A47B 65/00 - Étagères à livresAccessoires spécialement conçus pour le stockage des livres, p. ex. serre-livres

Abrégé

The present invention belongs to the technical field of ideological and political teaching. Disclosed is an ideological and political teaching demonstration device, comprising a desk (1), wherein a recess (11) is provided in the upper end of the desk (1); a shaft rod (2) is fixedly connected to an inner wall of the recess (11); a refreshing mechanism (3) is rotationally connected to an outer circumferential surface of the shaft rod (2); and the upper end of the refreshing mechanism (3) is fixedly connected to a demonstration mechanism (4). The present invention achieves efficient heat dissipation on a mainboard (422) under a triple heat dissipation structure, such that the mainboard (422) is not prone to being damaged due to long-time operation, thereby prolonging the service life of the mainboard (422); students are not likely to feel sleepy during the process of the continuous explanation of teachers, such that the teaching quality is improved; the triple heat dissipation structure can also clean dust on a surface of a display screen (421) and prevent the dust from attaching to the surface of the display screen (421) again, so as to prevent the dust from affecting the heat dissipation of the display screen (421); and the triple heat dissipation structure can also enable refreshing smell molecules to diffuse more rapidly, so as to further improve the refreshing effect.

Classes IPC  ?

• A47B 41/02 - Dessus de pupitres

Abrégé

The present invention belongs to the technical field of abrasives, and particularly relates to a coating composite material, a coating abrasive and a preparation method therefor. Provided in the present invention is a coating composite material which comprises the following components, in parts by mass: 100-120 parts of borate glass, 50-60 parts of aluminum oxide, 100-120 parts of potassium feldspar, 10-20 parts of cryolite, and 10-20 parts of calcium fluoride. The coating composite material provided in the present invention can not only eliminate or weaken the internal stress of the abrasive by means of heat treatment, but can also achieve good repairing and closing effects on micro-cracks on the surface of the abrasive at a high temperature during a specific application process, such that the strength of the abrasive is greatly improved.

Classes IPC  ?

• C09K 3/14 - Substances antidérapantesAbrasifs
• B24D 3/14 - Propriétés physiques des corps ou feuilles abrasives, p. ex. surfaces abrasives de nature particulièreCorps ou feuilles abrasives caractérisés par leurs constituants les constituants étant utilisés comme agglomérants et étant essentiellement inorganiques céramiques, c.-à-d. agglomérants vitrifiés
• C03C 8/24 - Compositions de scellement par fusion, constituées de frittes vitreuses contenant des additifs, utilisées pour le scellement de matériaux différents, p. ex. verre et métalVerre de scellement

Abrégé

The present invention belongs to the technical field of carbon nanotubes; and relates to an expanded graphite/carbon nanotube composite material, and a preparation method therefor and the use thereof. The preparation method for an expanded graphite/carbon nanotube composite material provided in the present invention comprises the following steps: mixing expanded graphite, a transition-metal-based catalyst and water, and subjecting same to impregnation loading, so as to obtain catalyst-loaded expanded graphite; and placing a carbon source on the surface of the catalyst-loaded expanded graphite, and subjecting same to a heat treatment to realize the in-situ growth of carbon nanotubes, so as to obtain an expanded graphite/carbon nanotube composite material. In the present invention, a transition-metal-based catalyst is soaked in expanded graphite, and then a carbon source grows in situ in the expanded graphite under the catalytic action of the catalyst; therefore, carbon nanotubes are uniformly dispersed and are formed in large quantities. When the composite material is used in a refractory material (such as a low-carbon magnesia carbon brick), a lower elastic modulus is achieved, and peeling is prevented.

Classes IPC  ?

• C09K 21/02 - Substances inorganiques

Abrégé

The invention relates to the technical field of deep learning, in particular to a neural network model-based pneumonia feature recognition method and apparatus, and an electronic device. The method comprises the following steps: obtaining chest radiography image data to be tested; inputting said chest radiography image data into a neural network model, wherein the neural network model is obtained by training with a plurality of groups of data sets, and each group of data in the plurality of groups of data sets comprises an image with a pneumonia feature and feature position labeling information; running the neural network model, copying said chest radiography image data, and marking a recognition result of the neural network model on the copied image data, the recognition result comprising a pneumonia feature position mark; and outputting said chest radiography image data and the copied image data marked with the recognition result. In the present invention, the chest radiography image data and the copied image data marked with the recognition result are both outputted, such that the recognition efficiency is improved, and also the recognition result is prevented from affecting the original radiography image.

Classes IPC  ?

• G06T 7/00 - Analyse d'image
• G06V 10/44 - Extraction de caractéristiques locales par analyse des parties du motif, p. ex. par détection d’arêtes, de contours, de boucles, d’angles, de barres ou d’intersectionsAnalyse de connectivité, p. ex. de composantes connectées
• G06V 10/764 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la classification, p. ex. des objets vidéo
• G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
• G06N 3/08 - Méthodes d'apprentissage
• G06N 3/04 - Architecture, p. ex. topologie d'interconnexion

Abrégé

The present application relates to a Yarrowia lipolytica genetically engineered bacterium capable of producing β-elemene and a construction method therefor, and a method for preparing β-elemene. The construction method comprises: integrating the Yarrowia lipolytica endogenous HMGR gene, optimized germacrene A synthase HaGASL101WT412SD433NW436Agene, Yarrowia lipolytica endogenous ERG19 gene, Yarrowia lipolytica endogenous ERG13, and HaGASL101WT412SD433NW436ALERG20 fusion gene of farnesyl diphosphate synthase ERG20 into Yarrowia lipolytica, so as to obtain the Yarrowia lipolytica genetically engineered bacterium capable of producing β-elemene. The method can enable carbon flux to flow into a β-elemene synthesis pathway as much as possible, reducing substrate waste and greatly increasing the yield of β-elemene; and the engineered bacterium has good subculture stability, and can be used for large-scale commercial production.

Classes IPC  ?

• C12N 15/81 - Vecteurs ou systèmes d'expression spécialement adaptés aux hôtes eucaryotes pour champignons pour levures

Abrégé

A drilling machine tool with a cooling liquid purifying and recycling mechanism. The drilling machine tool comprises a platform in which a blanking hole is formed, wherein air cylinders are fixedly mounted at the top of a transverse plate located above the platform, a lifting plate is mounted after the output shaft ends of the air cylinders penetrate through the transverse plate, an isolation cylinder is arranged below the lifting plate, an opening is formed in the bottom of the isolation cylinder, the bottom end of the vertical shaft slidably penetrates through the isolation cylinder and is fixedly provided with a drill bit, the isolation cylinder is connected with the lifting plate through pressing mechanisms, and a cooling liquid conveying mechanism communicating with the interior of the isolation cylinder is arranged on the platform; and a cooling liquid purifying and recycling mechanism is arranged at the bottom of the platform.

Classes IPC  ?

• B23Q 11/10 - Dispositions pour le refroidissement ou la lubrification des outils ou des pièces travaillées
• B23Q 3/06 - Moyens de fixation de la pièce

Abrégé

A magnetic liquid double suspension bearing, which comprises a main shaft (4), a stator (2) and a rotor (3), wherein a housing (1) of the stator (2) is internally provided with radial magnetic poles (18) and a flux sleeve (12), the radial magnetic poles (18) are arranged in pairs, each radial magnetic pole (18) is provided with a radial coil (33) and a radial oil intake hole (15), and an end portion of each radial magnetic pole (18) is provided with a non-magnetic conduction porous medium gasket; axial magnetic poles (14) are further fixed in an axial direction of the stator (2) and are arranged in pairs, axial coils (9) are sleeved on the axial magnetic poles (14), the axial magnetic poles (14) on two sides of the rotor (3) form magnetic flux loops with a first permanent magnet (13) and a second permanent magnet (35) respectively, and outer diameter sides of the permanent magnets (13, 35) are provided with carbon fiber coated reinforcing layers; and the stator (2) is axially provided with an axial oil inlet (16) and an axial winding hole (19), and is radially provided with an oil outlet (36) and a radial winding hole (11). The radial magnetic liquid double suspension bearing and the axial magnetic liquid double suspension bearing are combined into a whole, such that the axial length of the whole magnetic liquid double suspension system is significantly shortened, the magnetic liquid double suspension system is suitable for a narrow space, and processing and assembling errors of the bearing are reduced.

Classes IPC  ?

• F16C 32/04 - Paliers non prévus ailleurs faisant usage de moyens de support magnétiques ou électriques
• F16C 32/06 - Paliers non prévus ailleurs comprenant un élément mobile supporté par un coussinet de fluide engendré, au moins en grande partie, autrement que par la rotation de l'arbre, p. ex. paliers hydrostatiques à coussinet d'air

Abrégé

Disclosed in the present invention are a slag hollow micro-bead preparation nozzle and a preparation method therefor, belonging to the technical field of metallurgical slag comprehensive utilization. The preparation nozzle comprises a nozzle body. A spraying end of the nozzle body is provided with gas nozzles used for spraying high-pressure gas and mist nozzles used for spraying cooling liquid drops. The mist nozzles and the gas nozzles are arranged in an array at intervals. The preparation method comprises: S1, melting blast furnace slag into a liquid state; S2, pouring the liquid blast furnace slag into a flow groove, and enabling the liquid blast furnace slag to flow along the flow groove to form a molten slag flow; S3, opening the nozzle body, synchronously spraying using the mist nozzles and the gas nozzles, so as to scatter the molten slag flow and blow the molten slag flow to a micro-bead collection chamber to obtain hollow micro-beads. The high-pressure gas can scatter the slag flow to form slag flow liquid drops, and the cooling liquid drops hit the slag flow liquid drops to enable same to be rapidly cooled and cured on the surface in contact with the cooling liquid drops. Under surface tension and viscosity, the slag flow liquid drops rapidly wrap the cooling liquid drops, the cooling liquid drops absorb heat and rapidly evaporate in the wrapping process, and then the hollow micro-beads are formed.

Classes IPC  ?

• B05B 1/00 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage
• C21B 3/06 - Traitement du laitier liquide
• C21B 3/08 - Refroidissement du laitier
• C04B 5/00 - Traitement des scories fonduesPierre artificielle à partir de scories fondues

Abrégé

3 is fully decomposed, then roasting is carried out for 15 min at 1200° C., and after roasting, the pellets are cooled to room temperature to obtain the finished pellets.

Classes IPC  ?

• C22B 1/00 - Traitement préliminaire de minerais ou de débris ou déchets métalliques
• C22B 1/26 - Refroidissement des minerais grillés, frittés ou agglomérés
• C22B 1/02 - Procédés de grillage
• C22B 1/24 - AgglutinationBriquetage

Abrégé

A high-strength micro-drill drilling device comprises a base (1), a transmission assembly (2), a drilling assembly (3) and a micro-drill bit (4); a reinforcing fiber layer (5) is arranged in the micro-drill bit (4), and a reinforcing polyurethane composite material layer (6) is arranged at the right side of the reinforcing fiber layer (5); a reinforcing rib layer (7) is arranged at the right side of the reinforcing polyurethane composite material layer (6), a cushioning pad (8) is fixedly connected to the right side of the reinforcing rib layer (7), and a structure used for clamping an external workpiece is fixedly connected to the front face of the base (1). Additionally comprised is a drilling method of the high-strength micro-drill drilling device, capable of increasing the strength of a micro-drill and solving the problem of insufficient micro-drill strength.

Classes IPC  ?

• B23B 39/00 - Machines ou dispositifs d'utilisation générale, pour l'alésage ou le perçageEnsemble machines à aléser ou à percer
• B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
• B23Q 3/06 - Moyens de fixation de la pièce
• B32B 27/40 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyuréthanes

Abrégé

23232323233 is fully decomposed, and are then roasted at 1200°C for 15 min, and the pellets are cooled to room temperature after roasting is completed, so as to obtain finished pellets.

Classes IPC  ?

• C22B 1/243 - AgglutinationBriquetage avec des liants inorganiques
• C22B 1/02 - Procédés de grillage

Abrégé

The present invention relates to a big-data-based teaching planning method and system, and belongs to the field of teaching planning. The invention involves dividing a lesson into three stages, namely, before the lesson, during the lesson and after the lesson; prior to beginning a lesson, the teacher organizes according to questions provided as feedback by learners, and conducts comparisons relative to similar or identical questions in a learning platform; during the lesson, the teacher systematically verbally presents the information to be learned, emphasizing explanations of questions asked by students prior to the lesson, and thus organizes learning and teaching; after the lesson, according to questions provided as feedback by the learners, the teacher performs organization and summarization, and transmits same to the learning platform; and at the same time, by analyzing the learning status of the learners and combining same with the questions provided as feedback, the teacher can be helped to understand the learning situation of the learner, and thus, the present invention helps teachers to understand the learning situation of learners and also the situation surrounding the teaching method of the teacher, thereby improving learning efficiency and the multimodality of teaching.

Classes IPC  ?

• G06Q 50/20 - Éducation

Abrégé

Disclosed is a method for preparing steel sheet strips via electro-hydrogen cooperation under microwave radiation, belonging to the technical field of ferrous metallurgy. The method, which has near-zero carbon emissions, comprises: preparing iron ore pellets from iron ore; preparing high-quality direct reduced iron from the iron ore pellets by means of microwave radiation and reducing gas; performing electric furnace melting and secondary refining on the direct reduced iron; casting to obtain thin sheet strip material; carrying out electromagnetic induction heating decarburization on the thin sheet strip material; and finally carrying out thin strip rolling and heat treatment to obtain a high-quality steel sheet strip. According to the invention, a pure hydrogen or hydrogen-rich gas cooperative electric energy heat supplementing smelting mode is adopted, thus avoiding the repeated reduction, oxidation and rereduction of the traditional smelting process, and maximally increasing the purity of liquid metal; furthermore, the method has the relatively-large advantages of reducing production cost, shortening the technological process, reducing energy consumption, reducing the consumption of deoxidized alloy, etc., thus facilitating large-scale industrial production and promotion.

Classes IPC  ?

• C21B 13/00 - Fabrication de fer spongieux ou d'acier liquide par des procédés directs
• C22B 1/243 - AgglutinationBriquetage avec des liants inorganiques
• C21D 1/42 - Chauffage par induction
• C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
• C21D 1/74 - Procédés de traitement en gaz neutre, en atmosphère contrôlée, sous vide ou dans des matières pulvérulentes
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 33/00 - Fabrication des alliages ferreux
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C21D 3/04 - Décarburation

Abrégé

Provided is an anti-Shigella monoclonal antibody, and specifically provided is an isolated antibody containing a specific sequence and capable of binding to a protein YHDP of Shigella flexneri, or an antigen-binding portion thereof. The YHDP monoclonal antibody can be used for treating Shigella infection or detecting Shigella flexneri in food and clinical samples.

Classes IPC  ?

• C07K 16/12 - Immunoglobulines, p. ex. anticorps monoclonaux ou polyclonaux contre du matériel provenant de bactéries
• A61K 39/40 - AnticorpsImmunoglobulinesImmunsérum, p. ex. sérum antilymphocitaire bactériens
• A61P 31/04 - Agents antibactériens
• G01N 33/577 - Tests immunologiquesTests faisant intervenir la formation de liaisons biospécifiquesMatériaux à cet effet faisant intervenir des anticorps monoclonaux

Abrégé

The present invention discloses a high nitrogen steel with high strength, low yield ratio and high corrosion resistance for ocean engineering, comprising the following chemical components by weight percentage: C≤0.01%, Si≤0.1%, Cr 17%-19%, Mn 14%-16%, Mo 1%-1.5%, Ti≤0.05%, N 0.45%-0.6%, P≤0.01%, S≤0.01%, O≤0.02%, and the balance of iron. The present invention also discloses a preparation method as follows: (1) raw material weighing; (2) ingot preparation, remelting and smelting; (3) solution and forging treatments; and (4) hot rolling and post-rolling treatment. A product provided by the present invention has high tensile strength, low yield ratio and high corrosion resistance. At the same time, the present invention does not need pressurized equipment in the preparation process, therefore the preparation method is simple, the cost is low, and the present invention is suitable for industrial popularization in China.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
• C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• B21J 1/06 - Méthodes ou dispositifs de chauffage ou de refroidissement spécialement adaptés aux opérations de forgeage ou de pressage
• C22C 33/04 - Fabrication des alliages ferreux par fusion

Abrégé

The present invention provides a Fe-Cr-Si alloy, prepared from the following preparation raw materials in parts by weight: 73-75 parts of Fe, 20 parts of Cr, 2 parts of Si, 2-4 parts of Ni, and 1 part of C. A preparation method for the Fe-Cr-Si alloy comprises the following steps: (1) weighing the preparation raw materials in parts by weight, and fully mixing the preparation raw materials; and (2) electric arc melting: putting the fully mixed preparation raw materials into a water-cooled copper crucible in an electric arc furnace, sealing and vacuumizing the electric arc furnace, filling into an argon washing furnace, pumping to a vacuum degree of 9E-3Pa, carrying out electric arc melting at 1580-1620°C for 3-4 min, and carrying out flip melting for 5 times or more to obtain the Fe-Cr-Si alloy. The Fe-Cr-Si alloy prepared by the present invention has excellent corrosion resistance and hardness, and the application range of the Fe-Cr-Si alloy is effectively expanded.

Classes IPC  ?

• C22C 38/40 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel
• C22C 33/04 - Fabrication des alliages ferreux par fusion
• C22C 38/34 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de silicium

Abrégé

An adjustable mine wastewater treatment device, comprising a box body (1) and at least one filter cylinder (2), wherein the filter cylinder (2) is partially accommodated in the box body (1) and is rotatably connected to the box body (1); two auxiliary filler areas (21) are arranged in the filtering cylinder (2) in the circumferential direction thereof, and the filler areas are used for being filled with different auxiliary fillers; and the filter cylinder (2) can be rotated to a position where one auxiliary filler area (21) is located in the box body (1) and the other auxiliary filler area (21) is located outside the box body (1), or can be rotated to a position where one auxiliary filler area (21) is located outside the box body (1) and the other auxiliary filler area (21) is located in the box body (1).

Classes IPC  ?

• C02F 9/14 - Traitement en plusieurs étapes de l'eau, des eaux résiduaires ou des eaux d'égout une étape au moins étant un traitement biologique
• C02F 3/32 - Traitement biologique de l'eau, des eaux résiduaires ou des eaux d'égout caractérisé par les animaux ou végétaux utilisés, p. ex. les algues

Abrégé

The present invention relates to a mechanical product forming and proofing 3D printer. A shell frame is installed at the lower end of a printer body. A placement port is provided in the upper side of the front end of the shell frame, and a discharging port is provided in the lower side of the front end of the shell frame. A rotating device is arranged between inner walls of the shell frame. A pushing device is arranged at the rear end of the shell frame. The present invention can solve the following problems of an existing 3D printer for forming and proofing a mechanical product: a, a printed 3D product needs to be left to stand for cooling, such that the printed product can be removed after being reinforced, and the 3D printer cannot conduct a continuous printing operation during operation thereof; and b, residue at a printing position needs to be manually removed, manual cleaning is not complete, and due to the fact that residue accumulates at the printing position, the printed product fails to meet the production requirements, thereby causing material waste.

Classes IPC  ?

• B29C 64/20 - Appareil pour la fabrication additiveDétails ou accessoires à cet effet
• B29C 64/241 - Moyens d’entraînement pour mouvement rotatif
• B29C 64/245 - Plates-formes ou substrats
• B33Y 30/00 - Appareils pour la fabrication additiveLeurs parties constitutives ou accessoires à cet effet
• B29C 67/00 - Techniques de façonnage non couvertes par les groupes , ou
• B22F 3/105 - Frittage seul en utilisant un courant électrique, un rayonnement laser ou un plasma

Abrégé

A concrete-filled steel pipe column connecting structure, a concrete-filled steel pipe column, and a construction method, the concrete-filled steel pipe column connecting structure (1) comprising a core positioning sleeve (101) used for connecting two exposed steel pipes at opposite positions, a plurality of longitudinal rib sleeves (104) used for connecting two exposed longitudinal ribs at opposite positions, a hoop restraint sleeve (105) used for restraining the core positioning sleeve (101) and the longitudinal rib sleeves (104), and an external sealing sleeve (107) used for sealing the space between a first split concrete-filled steel pipe column (2) and a second split concrete-filled steel pipe column (3); the concrete-filled steel pipe column comprises the first split concrete-filled steel pipe column (2), the second split concrete-filled steel pipe column (3), and the concrete-filled steel pipe column connecting structure (1); and the construction method for the concrete-filled steel pipe column comprises the following steps: assembling the concrete-filled steel pipe column connecting structure (1), respectively connecting the concrete-filled steel pipe column connecting structure (1) to the first split concrete-filled steel pipe column (2) and the second split concrete-filled steel pipe column (3), and grouting. The present concrete-filled steel pipe column connecting structure (1) connects the first split concrete-filled steel pipe column (2) and the second split concrete-filled steel pipe column (3), and enables the connecting nodes to be arranged in the concrete-filled steel pipe columns whilst ensuring the strength of the connection.

Classes IPC  ?

• E04C 3/34 - ColonnesPiliersArcs-boutants en béton ou autre matériau analogue à la pierre, avec ou sans éléments de coffrage permanents, avec ou sans armature interne ou externe, p. ex. recouvrements métalliques
• E04B 1/58 - Assemblages pour les constructions du bâtiment en général d'éléments de construction en forme de barre

Abrégé

The present invention discloses a concrete-encased concrete-filled steel tube (CFST) column connection structure, a concrete-encased CFST column comprising such a connection structure, and a construction method for constructing such a concrete-encased CFST column, in the technical field of connection of concrete-encased CFST columns. Exposed steel tubes at the connection ends of two split concrete-encased CFST columns are connected through a core positioning sleeve of a concrete-encased CFST column connection structure. Exposed longitudinal bars of the two split concrete-encased CFST columns are connected through longitudinal bar sleeves of the concrete-encased CFST column connection structure. A space between the two split concrete-encased CFST columns is sealed by an external sealing sleeve of the concrete-encased CFST column connection structure; and the space in the external sealing sleeve and around the first and second exposed steel tubes is filled with a concrete slurry.

Classes IPC  ?

• E04C 3/34 - ColonnesPiliersArcs-boutants en béton ou autre matériau analogue à la pierre, avec ou sans éléments de coffrage permanents, avec ou sans armature interne ou externe, p. ex. recouvrements métalliques
• E04B 1/58 - Assemblages pour les constructions du bâtiment en général d'éléments de construction en forme de barre

Abrégé

The present invention provides a recombinant adipose-derived stem cell and a recombinant method thereof, and belongs to the technical field of genetic engineering, where an adenovirus carrying an hFIX gene is transfected into an adipose-derived stem cell to obtain the recombinant adipose-derived stem cell. In the present invention, an adenovirus carrying an hFIX gene is transfected into an adipose-derived stem cell, and the recombinant adipose-derived stem cell obtained after the transfection can express an hFIX protein.

Classes IPC  ?

• C12N 5/0775 - Cellules souches mésenchymateusesCellules souches dérivées du tissu adipeux
• C12N 15/86 - Vecteurs viraux
• C12N 15/87 - Introduction de matériel génétique étranger utilisant des procédés non prévus ailleurs, p. ex. co-transformation

Abrégé

A medicinal oxygen cannula, comprising a cannula body (1), a transition cannula (2), and two nasal prongs (3). The cannula body (1) is connected to the transition cannula (2); the two nasal prongs (3) are radially communicated with the transition cannula (2); the inner wall of connecting parts of the nasal prongs (3) and the transition cannula (2) is of a smooth transition arc structure. The structure of the inner wall of the connecting parts of the transition cannula (2) and the nasal prongs (3) is improved, so that an airflow flowing through cannot generate a turbulent flow, and the probability of noise is reduced. By increasing the inner diameters of the transition cannula (2) and the nasal prongs (3), the airflow velocity is reduced, and noise generated when pressurized air flows through is further avoided. In addition, an air permeable filler (21) is additionally provided in the transition cannula (2), so that the purpose of reducing the air velocity is also achieved.

Classes IPC  ?

• A61M 16/06 - Masques respiratoires ou pour l'anesthésie

Abrégé

Disclosed are a marine biological information acquiring device based on sonar and a method for using same. The device comprises an acquiring machine body, transverse propellers, longitudinal propellers, and an internal battery, wherein transverse propellers are provided on two sides of the back of the acquiring machine body, the longitudinal propellers are provided on two sides of the front of the acquiring machine body, the internal battery is provided inside the acquiring machine body, an end waterproof cover is provided at one end of the acquiring machine body, a high-definition camera is provided in the end waterproof cover, a highlight compensation lamp is provided on the outer side of the high-definition camera, a bottom waterproof cover is provided at the bottom of the acquiring machine body, a hollow hemisphere is provided in the acquiring machine body, and connecting springs are provided on the inner side of the hollow hemisphere. The beneficial effects are: 1, marine biological information is roughly detected by using the sonar, and some special information can be captured and observed at close range by using the camera at the same time; 2, in-marine biological survival environment information such as temperature and pressure intensity is acquired.

Classes IPC  ?

• G01S 15/96 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour repérer du poisson

Abrégé

Disclosed are a sonar-based underwater image information transmission apparatus and a method for using same. The underwater image information transmission apparatus comprises an underwater device shell, a signal receiving shell, a control box, and a mounting and adjusting mechanism; an image collecting shell is provided at one side of the underwater device shell; the image collecting shell is connected with the underwater device shell by means of welding; a signal transmitting shell is provided at the other side of the underwater device shell; the signal transmitting shell is connected with the underwater device shell by means of welding; the image collecting shell, the signal transmitting shell, and the signal receiving shell are all provided with a mounting groove. The beneficial effects of the present invention are: the structure is reasonable; the apparatus uses a dual-positioning structure, ensures the effectiveness of information transmission, and is simple to operate; the apparatus uses a full-automatic collecting, positioning and transmitting structure, thereby improving the effectiveness of information processing, and uses multiple soars to transmit a signal, thereby avoiding the influences of sundries and noise in water on the signal.

Classes IPC  ?

• G01S 15/89 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour la cartographie ou la représentation
• G01S 7/521 - Caractéristiques de structure

Abrégé

A marine sonar apparatus used for watercraft and a method of use thereof, the apparatus comprising a control station (1) and a towed sonar array (10), the control station (1) being connected to a single chip microcomputer (2) by means of a waterproof compound electrical cable (16), the single chip microcomputer (2) being connected to a retracting motor (3), the retracting motor (3) being connected to a driveshaft (5) by means of a transmission (4), the driveshaft (5) being connected to a winding reel (6), two sides of the winding reel (6) each being provided with a side flange (7), an end part of the winding reel (6) being connected to the waterproof compound electrical cable (16) by means of a rotating sealing ring (14), a lower part of the winding reel (6) being connected to the towed sonar array (10) by means of a high-strength compound electrical cable (8), and the high-strength compound electrical cable (8) having disposed thereon scale lines (9). The present apparatus can adjust and control a sonar listening depth in real time, improving sensitivity to underwater sound signals, having the advantages of strong flexibility and good operability, and also facilitating a worker checking a depth in real time, making operation convenient.

Classes IPC  ?

• G01S 15/88 - Systèmes sonar, spécialement adaptés à des applications spécifiques
• G01S 7/521 - Caractéristiques de structure

Abrégé

A marine sonar imaging apparatus and a use method thereof. The apparatus comprises a main underwater apparatus (1) and a waterproof housing (10). A display screen (20) is provided on a front surface of the main underwater apparatus (1). A remote-control button (21) is provided on a lower side of the display screen (20). A digital signal processor (19) and a data memory (22) are provided in the main underwater apparatus (1). An optical fiber data receiver (18) is provided at a lower end of the main underwater apparatus (1). A connection cable (3) is provided on the optical fiber data receiver (18). A hoist (2) is provided at the connection cable (3). The waterproof housing (10) is provided at the other end of the connection cable (3). Rear propellers (4) are provided on two sides of a rear end of the waterproof housing (10). The beneficial effects are as follows: 1, detection can be performed by means of a drag operation or by means of active movement, thereby improving detection accuracy; 2, comparison with biological information stored in the data memory can be performed, thereby facilitating analysis of underwater biological information; 3, an underwater scene can be photographed or videoed, thereby facilitating clear understanding of an underwater situation.

Classes IPC  ?

• G01S 15/89 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour la cartographie ou la représentation

Abrégé

Provided are a sonar-based marine fish-swarm tracking device and a use method thereof. The device comprises a device shell (4), a floating mechanism (5), a waterproof shell (8) and an accommodating cylinder (10), wherein a solar electric panel (38) is arranged at the upper end of the device shell (4) and is connected to the device shell (4) through bolts, a support column (3) is arranged at the upper end of the solar electric panel (38) and is connected with the device shell (4) through welding, an anemoscope (2) is arranged at the upper end of the support column (3), and an antenna (1) is arranged at the upper end of the anemoscope (2). The advantages are: the structure is reasonable, the device uses a double power generation structure, continuity of equipment power supply is guaranteed, the practicability is improved, operation is easy, a full-automatic monitoring structure is used, the fish-swarm is monitored regularly, the fish-swarm can be tracked according to the environment and position of the fish-swarm, and the monitoring effect is good, using data of multiple sensors to analyze the environment suitable for the fish-swarm, such that the monitoring area is adjusted to avoid dry running of equipment.

Classes IPC  ?

• G01S 15/66 - Systèmes sonar de poursuite
• G01S 15/96 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour repérer du poisson

Abrégé

Radars used for marine environment detection, comprising a supporting column (3), a balancing platform (10), a connecting column (12), and piezoelectric plates (15). An upper end of the balancing platform (10) is provided with two mounting bases (9). The mounting bases (9) are connected to the balancing platform (10) by means of welding. Adjusting mechanisms (8) are provided at two sides of the mounting bases (9), and the adjusting mechanisms (8) are connected to the mounting bases (9) by means of welding. External parts of the adjusting mechanisms (8) are provided with a first short-wave radar (6) and a second short-wave radar (7). The beneficial effects are as follows: the structure is reasonable, a plurality of radars (5, 6, 7) are used to cooperatively carry out detection, while a motor (32) is simultaneously used to move. The present invention is convenient to use and simple to operate, and a fully automatic processing manner is used to detect the environment and prevent a time difference caused by signal transmission from affecting detection efficiency; the usability is strong, two kinds of radars (5, 6, 7) are used to cooperatively carry out detection, and the accuracy is higher; at the same time, a piezoelectric material (35) and a rotation manner are used to form a piezoelectric difference for power generation, and the usage effect is good.

Classes IPC  ?

• B63B 22/00 - Coffres d'amarrage ou bouées

Abrégé

An environment simulation device for marine experiments comprises a rear load-bearing frame (12), a seal cover (4), a base (6) and a wrist strap (42). A heat dissipation plate (7) is provided at the base (6). The heat dissipation plate (7) is connected to the base (6) by means of a bolt (23). The rear load-bearing frame (12) is disposed above the base (6). The rear load-bearing frame (12) is connected to the base (6) by means of welding. Two vertical columns (1) are provided at the front side of the rear load-bearing frame (12). The vertical columns (1) are connected to the base (6) by means of welding. A control panel (9) is provided at the front end of the vertical column (1). The environment simulation device has a reasonable structure, employs various apparatuses to thoroughly simulate a marine environment, and is easy to operate. Automatic control techniques are employed to perform adjustment and simulation of a required marine environment conveniently. The invention also enhances operation safety by means of the wrist strap (42). The wrist strap can be worn by a tester to effectively prevent accidents. Moreover, a water resistant infrared camera (17) is provided to monitor the interior of the device in real time.

Classes IPC  ?

• G01D 21/02 - Mesure de plusieurs variables par des moyens non couverts par une seule autre sous-classe
• G01M 10/00 - Tests hydrodynamiquesAménagements dans ou sur les bassins de tests des navires ou les tunnels hydrauliques
• B63C 11/32 - Dispositifs de décompressionÉquipement d'exercice

Abrégé

An adjustable operation platform for a marine experiment, comprising a support bench (1), an isolation hood (3), and a control box (10). Four corners of the bottom of the support bench (1) are provided with support legs (8); a side coaming plate (22) is provided around the support bench (1); the inner wall of the side coaming plate (22) is provided with a highest scribed line (23); the top of the side coaming plate (22) is provided with a limiting plate (24); the isolation hood (3) is provided above the side coaming plate (22); the bottom circumference of the isolation hood (3) is provided with a sealing strip (25); the inner side of the side coaming plate (22) is provided with a support rod (31); the top of the support rod (31) is provided with a fan (4); one side of the fan (4) is provided with a driving motor (26); and the top of the fan (4) is provided with a first serial number board (27). The beneficial effects are: a frequency converter (28) is used for controlling the rotation speed of the driving motor (26) so as to adjust a wind speed, the situation of simulating wind blowing in the marine experiment is increased, simultaneously, the four fans (4) are used for simulating the promotion effect on sea from different angles, a diversity is added, and indication debris is added into a simulated liquid (5) so that the flow condition of the simulated liquid (5) can be conveniently observed, and the intuition of the experiment is increased.

Classes IPC  ?

• G09B 25/02 - Modèles à usages non prévus dans , p. ex. dispositif en vraie grandeur pour la démonstration de procédés industrielsModèles à usages non prévus dans , p. ex. dispositif en vraie grandeur pour la démonstration de machines

Abrégé

A sonar apparatus used for undersea exploration, comprising an apparatus housing (7), an adjustment seat (2), a waterproof case (23) and a flow guide frame (8), a front end of the apparatus housing (7) being provided with a flow guide frame (8), the flow guide frame (8) being fixedly connected to the apparatus housing (7), the flow guide frame (8) having disposed thereon obstacle-detecting sonar (9), the obstacle-detecting sonar (9) being embedded in the flow guide frame (8), and an outer part of the apparatus housing (7) being provided with an apparatus frame (6). The sonar apparatus has a reasonable structure, using an adhesive-sealed integrated design, ensuring sealing tightness of the apparatus, and the front end being provided with a flow guide frame (8), decreasing water flow resistance of the apparatus when traveling; operation is convenient, as using an electrical cable for control and data transfer prevents delay in data transmission, and using an adjustment seat (2) enables adjustment of an angle of inclination of the apparatus, improving use results; safety is high, as in front there is provided obstacle-detecting sonar (9) capable of improving detection, and an outer part is provided with a connection seat (5), preventing side impact, ensuring equipment safety.

Classes IPC  ?

• B63B 17/00 - Éléments, détails ou accessoires de navires, non prévus ailleurs
• B63C 11/52 - Outillage spécialement adapté au travail sous l'eau, non prévu ailleurs

Abrégé

A heat-producing shoe, comprising a shoe body (1), a heat-generating cable (5), an electromagnetic generator (2), a step steel plate (3), a transmission rack (9) and a steel plate frame (8), the steel plate frame (8) being mounted at a heel portion position of the shoe body (1), the electromagnetic generator (2) being detachably mounted within the steel plate frame (8), one end of the step steel plate (3) being rotatably mounted on a sole of the shoe body (1) via a stainless steel hinge spring (4) and located at the right side of the steel plate frame (8), one end of the transmission rack (9) being fixed on a lower surface of the step steel plate (3), the other end of the transmission rack (9) extending into the steel plate frame (8) and engaging with a gear (10) at an output end of the electromagnetic generator (2), the heat-generating cable (5) being fixed on an upper surface of the sole, located at the right side of the stainless steel hinge spring (4) and electrically connected to the electromagnetic generator (2). When the step steel plate (3) is stepped on, the transmission rack (9) drives the gear (10) to rotate, the electromagnetic generator (2) transfers produced electrical energy to the heat-generating cable (5), and the heat-generating cable (5) converts the electrical energy into heat energy to produce heat. The heat-producing shoe has a simple structure, is easy to use, solves the problem of cold feet when walking outdoors in winter, and has high practicality.

Classes IPC  ?

• A43B 7/04 - Chaussures avec batteries, générateurs électriques ou similaires

Abrégé

An anti-elevator fall apparatus, comprising at least two sets of buffer coils (2), a plurality of lasers (1), at least one laser detector, magnetic field generating coils (3) arranged at the top and bottom of every floor, a speed sensor, and an elevator fall power supply. The at least two sets of buffer coils (2) are arranged at the upper and lower ends and the middle of a car (5), the plurality of lasers (1) are mounted on an inside wall of an elevator shaft, the at least one laser detector is mounted on the car (5) and arranged relative to the lasers (1), the elevator fall power supply is electrically connected to the magnetic field generating coils (3) and the buffer coils (2), and the speed sensor is electrically connected to the laser detector and used for calculating the descent speed of the car (5). When the descent speed is greater than a maximum stable speed, the elevator fall power supply is turned on, and the magnetic field generating coils (3) generate an upward magnetic field which interacts with a downward magnetic field of the buffer coils (2), so as to decelerate the car (5). The anti-elevator fall apparatus effectively detects falling of the car (5), and executes the corresponding deceleration operation, thereby ensuring the safety of the car (5). The present invention has high practicality.

Classes IPC  ?

• B66B 5/06 - Utilisation de dispositifs de vérification, de rectification, de mauvais fonctionnement ou de sécurité des ascenseurs réagissant à des conditions de fonctionnement anormales pour détecter les excès de vitesse électriques

Abrégé

Disclosed is a suspension swimming shoe, comprising a shoe body, a motor, a drive power supply, a propeller and a switch. A heel position of the shoe body is provided with a mounting slot arranged in the vertical direction and in communication with the outside, the motor is mounted in the mounting slot, an output end of the motor extends out from the mounting slot, the propeller is mounted at the output end, the drive power supply is mounted at a toe position of the shoe body, the switch is arranged at a side surface of the shoe body and sealed, and the drive power supply is electrically connected to the motor via the switch. The suspension swimming shoe is simple in structure, increases swimming pleasure for swimming enthusiasts, and has high practicality.

Classes IPC  ?

• A63B 69/14 - Châssis, planches pour apprendre à nager
• A63B 35/04 - Châssis de natation avec mécanismes de propulsion mus par le nageur ou par un moteur avec des roues à aubes
• A63B 31/11 - Palmes, ailerons ou autres aides à la natation tenus par les, ou attachés aux, mains, bras, pieds ou jambes tenus par les, ou attachés aux, mains ou pieds attachables seulement aux pieds

Abrégé

A disassembly-free convenient barbell, comprising a barbell bar and two barbell discs. The barbell bar comprises a straight connecting section (13-1) and disc carrying sections located at both sides of the straight connecting section (13-1). Each disc carrying section is used for mounting one of the barbell discs, and comprises a straight bar section (13-3) and a sub-chain section (13-2), wherein the sub-chain section (13-2) is located between the straight connecting section (13-1) and the straight bar section (13-3), and is hingedly connected to the straight connecting section (13-1) and the straight bar section (13-3) separately. According to the barbell, straight bars and curved bars are combined perfectly, thereby reducing the use of raw materials, enabling the bars to be replaced freely, avoiding troubles, and making the barbell more convenient to carry. Moreover, since embedded barbell disc bases are simply structured, after the embedded barbell disc bases are installed, and when the barbell needs to be weighted, repeated disassembly and installation are not needed, and the weighting can be implemented only by gently sliding a sliding block in a sliding slot.

Classes IPC  ?

• A63B 21/072 - Haltères, barres à boules ou similaires

Abrégé

A convenient bendable fitness barbell bar, comprising a straight connecting section (1) and carrying sheet sections located on both sides of the straight connecting section (1). Each carrying sheet comprises a straight bar section (3) and a sub-chain section (2). The sub-chain section (2) is located between the straight connecting section (1) and the straight bar section (3), and is hingedly connected thereto, separately. A hollow cavity is formed on each end surface where the straight connecting section (1) is hingedly connected to the sub-chain section (2). An iron core straight bar (3-11) is placed in the hollow cavity. An external thread of each straight bar section (3) is connected to a first sleeve (3-2). An exterior of the first sleeve (3-2) is connected to one end of a first steel wire (3-13). The first steel wire (3-13) is wrapped around the first sleeve (3-2), and the other end of the first steel wire (3-13) is inserted into the straight bar section (3) where the first sleeve (3-2) is mounted, and is connected to the iron core straight bar (3-11). A compression spring (3-12) is mounted between the iron core straight bar (3-11) and the bottom of an interior of the hollow cavity.

Classes IPC  ?

• A63B 21/072 - Haltères, barres à boules ou similaires

Abrégé

A weight base body, which is a cylinder. A central through hole (8) is formed at the central position of the weight base body; multiple concentric annular grooves (7) are formed on one side or two opposite sides of the weight base body; each annular groove (7) is used for placing a weight ring (11); the portions of the weight base body located outside the annular grooves (7) and proximate to the annular grooves (7) are spacing rings (4); multiple clamp structures (6) are mounted on each spacing ring (4) in the circumferential direction; a connecting start point (5) and a sliding groove (3) are fixedly mounted at the top end of each spacing ring (4); the connecting start point (5) and the sliding groove (3) located on each spacing ring (4) are located between a pair of clamp structures (6) of the spacing ring (4), and a central angle between the connecting start point (5) and the sliding groove (3) is smaller than 45 degrees. Also provided are an embedded weight based on the weight base body, and a use method of a weight.

Classes IPC  ?

• A63B 21/072 - Haltères, barres à boules ou similaires
• A63B 21/075 - Haltères, barres à boules ou similaires à poids variables

Abrégé

The present solution is applicable to the technical field of dissolved gas monitoring. Provided are a method for predicting the volume fraction of a dissolved gas in oil, and a terminal device. The method comprises: respectively acquiring the volume fractions of a gas component in a gas chamber at a first time point, a second time point and a third time point in a non-equilibrium state; and according to the volume fraction corresponding to the first time point, the volume fraction corresponding to the second time point, the volume fraction corresponding to the third time point, and a volume fraction prediction formula, calculating the volume fraction of the gas component in the gas chamber in an equilibrium state. In the present solution, a final value of the volume fraction of a gas component in a gas chamber in an equilibrium state can be predicted according to the volume fractions, that are collected multiple times, of the gas component in a non-equilibrium state, without measuring the volume fraction of the gas in the gas chamber after waiting for permeation to reach an equilibrium state, thus reducing the time required for measuring the volume fraction of a dissolved gas in oil.

Classes IPC  ?

• G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)

Abrégé

22 gas.

Classes IPC  ?

• C21C 5/38 - Élimination des gaz résiduaires ou des poussières
• F27D 17/00 - Dispositions pour l'utilisation de la chaleur perdueDispositions pour l'utilisation ou pour l'élimination des gaz résiduaires
• C22B 1/00 - Traitement préliminaire de minerais ou de débris ou déchets métalliques
• C01B 32/50 - Anhydride carbonique

Abrégé

Disclosed is a swirling static combined double-section type flow field fine particle flotation apparatus, belonging to the technical field of mineral processing. The swirling static combined double-section type flow field fine particle flotation apparatus comprises a mixing drum (2), wherein a feeding pipe (3) is connected to one side of the upper end of the mixing drum (2); a first mixing rod (6) is inserted at the upper end of the mixing drum (2), and the first mixing rod (6) is mounted to the mixing drum (2) by a bearing; a first belt pulley (1) is arranged on the first mixing rod (6), and the first belt pulley (1) is located at the upper side of the mixing drum (2); and a flow guiding drum (4), an upper high speed mixing impeller (5) and a lower high speed mixing impeller (7) are arranged at the inner side of the mixing drum (2) successively from top to bottom, and each of the flow guiding drum (4), the upper high speed mixing impeller (5) and the lower high speed mixing impeller (7) is connected to the first mixing rod (6). The invention achieves the double-section type flow field flotation separation for fine particle minerals, and changes the current situation that the flow field characteristic of the flotation apparatus is single, significantly improving a flotation recycling effect of the fine particle minerals.

Classes IPC  ?

• B03D 1/16 - Machines de flottation à propulseursMachines à subaération

Abrégé

Disclosed is a method for removing dust in gas fumes by adopting an emulsion liquid-film technology, comprising the following specific steps: (1) dissolving a surfactant in a film solvent and adding water as an internal phase liquid to prepare a water-in-oil type emulsion; (2) dispersing the prepared emulsion into water so that the emulsion is in contact with gas fumes in a spraying manner or a reaction pool (pot) manner to remove dust; (3) demulsifying the dust-carrying emulsion via high voltage static electricity, and after being in a stationary state, using the film phase liquid in the upper layer of a separator for re-preparing an emulsion; and (4) letting the separated dust settle and discharging same from the bottom of a dust removal pool (pot) or a dust removal tower in the form of a slurry.

Classes IPC  ?

• B01D 47/06 - Nettoyage par pulvérisation

Abrégé

The present invention relates to the technical field of beneficiation processing. The present invention relates to a refractory chalcopyrite beneficiation process and method, particularly to a beneficiation process and method for separating chalcopyrite from chalcopyrite ore of multiple natural types such as chalcopyrrhotite, talcum and ophiolite. The present invention is characterized by: conducting two-stage ore grinding on chalcopyrite ore, classifying the ore into coarse grained ore and fine grained ore after each stage of ore grinding, respectively treating the ore in different fractions, and separating the coarse grained ore in a xanthate system by employing calcium oxide to adjust pH value and utilizing carboxymethyl cellulose sodium as an inhibitor; and roughing the fine gained ore in a kerosene system, and conducting fine separation in the xanthate system. The separation based on coarse fraction and fine fraction not only effectively recycles fine grained chalcopyrite in a xanthate system, but also reduces the impact of fine grained gangue minerals on flotation effect, and reduces agent consumption, thus achieving efficient separation of refractory chalcopyrite mineral.

Classes IPC  ?

• B03D 1/00 - Flottation
• B03D 1/001 - Agents de flottation

Abrégé

A method for manufacturing sheet monodisperse nano-magnesium hydroxide by using magnesite as a material. Specifically, magnesite is calcined to generate magnesian powder having components with different activities; the magnesian powder is made into a solution with a concentration and the solution is stirred, and then the solution is added into an acidification attrition mill to carry out attrition and acidification; the magnesian powder is purified by controlling an amount of the magnesian powder, an amount of hydrochloric acid and an acidification reaction condition; and sheet nano-magnesium hydroxide is prepared by controlling the activity, the particle size and the hydration condition of the magnesia, a hydrated magnesium hydroxide precursor. Hydrochloric acid, water, and an additive can be recycled, which is friendly to the environment and needs low cost. The technology can activate an existing magnesite resource, so as to achieve high value-added processing and utilization of the resource.

Classes IPC  ?

• C01F 5/16 - Hydroxyde de magnésium par traitement de la magnésie, p. ex. dolomite calcinée, avec de l'eau ou des solutions de sels ne contenant pas de magnésium
• B82Y 40/00 - Fabrication ou traitement des nanostructures