A planter suitable for block seeds that relates to the technical field of agricultural seeding machinery is disclosed. The planter includes a frame, a fertilizing tank, a fertilizing box, a seeding mechanism, a control mechanism, a seed box, a ridging mechanism, land wheels, a seeding furrower, a fertilizing furrower, a seed-clearing mechanism, and a replanting mechanism. The fertilizing tank, the fertilizing furrower, the fertilizing box, the seeding furrower, the seeding mechanism, the land wheels, the control mechanism, the seed box, and the ridging mechanism are mounted in turn from one end to the other end of the frame. A photoelectric sensor of an active infrared intrusion detector is adopted to dynamically monitor the presence of the seed potatoes on a seed-discharge spoon in a conveying process. Seeds are replanted with the control mechanism when the seeds are sowed with an empty spoon.
A01C 9/08 - Machines à planter les pommes de terre avec autres systèmes de distribution, p. ex. clapets, vis, disques tournants horizontaux
A01B 49/06 - Combinaisons d'outils de travail de la terre et d'outils non destinés au travail de la terre, tels que des plantoirs pour semer ou répandre des engrais
The present invention relates to a metaverse-based agricultural product tracing method, comprising the steps of: enabling a terminal data collection device to collect agricultural product data, and generating an on-chain storage application; when a blockchain network receives the on-chain storage application, verifying the legitimacy and authenticity of the on-chain storage application, and after the on-chain storage application is verified to be legitimate and authentic, performing on-chain storage; verifying the stored agricultural product data, triggering an agricultural product growth function in a smart contract by using the agricultural product data after the verification succeeds, and starting growth of a virtual agricultural product in a metaverse visualization platform; selling the agricultural product on a transaction platform, and after a consumer purchases the agricultural product, the blockchain network generating a traceability code; and performing identity and data legitimacy verification between the metaverse visualization platform and the consumer, and then according to the verification result, determining to open the tracing process viewing permission of the metaverse visualization platform. In the present application, the agricultural product tracing method is established by applying the blockchain technology, thereby solving the problems that data cannot be retrieved after losing and data cannot be recovered after being tampered.
A fuselage structure (100) and an unmanned aerial vehicle having same. The fuselage structure (100) comprises: a main fuselage (101); at least two main wings, the two main wings (102) being symmetrically arranged on two sides of the main fuselage (101), and the main wings (102) each being provided with a propeller (1022) and a motor for supplying power to the propeller (1022); an upper vertical tail wing (103), arranged at the upper end of the main fuselage (101); and a lower vertical tail wing (104), arranged at the lower end of the main fuselage (101).
B64C 27/26 - Giravions complexes, c.-à-d. aéronefs utilisant en vol à la fois les caractéristiques de l'avion et celles du giravion caractérisé par le fait qu'il est doté d'ailes fixes
B64C 29/00 - Aéronefs capables d'atterrir ou de décoller à la verticale, p. ex. aéronefs à décollage et atterrissage verticaux [ADAV, en anglais VTOL]
B64D 27/24 - Aéronefs caractérisés par le type ou la position des groupes moteurs utilisant la vapeur ou l'énergie de ressorts
B64U 10/20 - Aéronefs à décollage et atterrissage verticaux [ADAV, en anglais VTOL]
B64U 20/70 - Caractéristiques de construction du corps du véhicule aérien sans pilote
B64U 20/77 - Caractéristiques de construction du corps du véhicule aérien sans pilote le corps étant formé intégralement avec des ailes ou des supports de rotor
The present invention relates to the technical field of agricultural seeding machinery, and in particular to a seeder suitable for lumpy seeds. The seeder comprises a frame, a fertilization trough, a fertilizer tank, seeding mechanisms, a control mechanism, a seed tank, a ridging mechanism, land wheels, a seeding coulter, a fertilization coulter, seed cleaning mechanisms and seed re-sowing mechanisms, the fertilization trough, the fertilization coulter, the fertilizer tank, the seeding coulter, the seeding mechanism, the land wheels, the control mechanism, the seed tank and the ridging mechanism being successively installed on the frame from one end to the other end. The present invention achieves a self seed cleaning technology for lumpy potato seed metering processes by using seed metering spoon structures each having a large recess and a small recess in combination with the left-right segment motion layout of seed metering chains, uses infrared through-beam photoelectric sensors to dynamically monitor the presence and absence of potato seeds on the seed metering spoons during conveying processes and, by means of the control mechanism, re-sows the seeds in case of empty spoons during seeding, so as to re-sow the seeds into furrows in a timely manner, thereby avoiding ineffective re-sowing situations such as missed re-sowing and seed jamming. Re-sowing the potato seeds left during the seed cleaning processes solves the problems of re-sowing and missed sowing of the lumpy seeds.
The present invention relates to the technical field of agricultural seeding machinery, and in particular, to a planter suitable for block seeds. The planter includes a frame, a fertilizing tank, a fertilizing box, a seeding mechanism, a control mechanism, a seed box, a ridging mechanism, land wheels, a seeding furrower, a fertilizing furrower, a seed-clearing mechanism, and a replanting mechanism. The fertilizing tank, the fertilizing furrower, the fertilizing box, the seeding furrower, the seeding mechanism, the land wheels, the control mechanism, the seed box, and the ridging mechanism are mounted in turn from one end to the other end of the frame. A photoelectric sensor of an active infrared intrusion detector is adopted to dynamically monitor the presence of the seed potatoes on a seed-discharge spoon in a conveying process. Seeds are replanted with the control mechanism when the seeds are sowed with an empty spoon.
Disclosed is a high ultraviolet blocking polylactic acid composite material reinforced by POSS modified bamboo powder. The preparation method therefor includes steps of carrying out chemical grafting modification of bamboo powder with proper particle size by using POSS containing specific organic groups, and then adding the modified bamboo powder to polylactic acid for melting and co-extrusion to obtain POSS modified bamboo powder. The present disclosure makes full use of the 30% lignin in the bamboo powder, having the advantages of wide source, biological metabolizability and low price; the present disclosure does not need the traditional inorganic ultraviolet blocking agent, nor need to extract refined lignin from natural materials, but directly takes inexpensive and easy-to-obtain bamboo powder as main raw material. The composite material prepared in the present disclosure can greatly improve the UV blocking performance, mechanical properties and thermal stability of the PLA.
An air filter and air purification technology including a frame encompassing a filter channel and a filter medium across the filter channel. The air filter and air purification technology also include one or more electrical heating components, placed in the filter channel and configured to heat the filter medium and/or air in the filter channel. Thus, the air filter has a heating function, and can heat the filter medium and the air in the filter channel according to actual working conditions and/or operations, so as to prevent moisture in the air from affecting the filtering efficiency of the filter medium. The air filter and air purification technology have the characteristics of enhancing the filtering effects and improving the service life of the filter.
B01D 46/42 - Équipement auxiliaire ou son utilisation
B01D 39/20 - Autres substances filtrantes autoportantes en substance inorganique, p. ex. papier d'amiante ou substance filtrante métallique faite de fils métalliques non-tissés
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p. ex. appareils de précipitation de poussières
B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p. ex. appareils de précipitation de poussières
An air filter, relating to the technical field of air purification. The air filter comprises an outer frame (101) for enclosing a filter channel (102), and filter materials (201) for transversely sealing the filter channel (102), and is characterized by further comprising electric heating components (301), wherein the electric heating components (301) are arranged in the filter channel (102), and are used for generating heat when being powered on and for heating the filter materials (201) and/or air in the filter channel (102). The air filter has a heating function, can select, during an operation process and according to actual working conditions, an area for heating the filter materials (201) and air, so as to prevent moisture in the air from affecting the filter efficiency of the filter materials (201), and has the characteristics of enhancing a filtering effect, prolonging the service life of the filter, etc.
B01D 46/52 - Séparateurs de particules utilisant des filtres comportant un matériau plié, p. ex. appareils de précipitation de poussières
B01D 46/42 - Équipement auxiliaire ou son utilisation
B01D 46/12 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p. ex. appareils de précipitation de poussières disposés en batteries
B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
A frozen fish sorting device, comprising a first-stage scattering device (1), a second-stage scattering device (2), a third-stage scattering device (3), a detection and recognition device (4) and a multi-track multi-stage sorting device (5), which are sequentially connected. The first-stage scattering device (1) scatters a large pile of frozen fish, which enters from a feeding hopper (11), into several frozen fish. The second-stage scattering device (2) is used for feeding frozen fish, which are input by means of a second conveyor belt (17), into the next stage one by one. The third-stage scattering device (3) is used for enabling the frozen fish to enter the detection and recognition device (4) one by one. The detection and recognition device (4) performs grading according to weight and type. The multi-track multi-stage sorting device (5) comprises a sixth conveyor belt (52) and a plurality of groups of sorting baffles (54) controlled by stepping electric motors. The stepping electric motors receive signals from the detection and recognition device (4) to open the corresponding sorting baffles (54), such that frozen fish enters, along the baffles (54), a container corresponding to the weight and type of the frozen fish, so as to complete sorting. The frozen fish sorting device is fully automatically controlled, can grade the type and weight of frozen fish and has high sorting efficiency.
A multifunctional pin-on-disk abrasion simulation experiment device, belonging to the technical field of friction and abrasion testing. The device comprises a frame, which is sequentially provided, from top to bottom, with a lead-screw slider lifting and loading system, a plurality of opposite grinding assemblies (5), a temperature chamber assembly (4) and a main shaft rotation system, with the plurality of opposite grinding assemblies (5) being arranged in the temperature chamber assembly (4). The device can carry out multiple opposite grinding experiments without the experiments affecting each other, and can also simultaneously carry out multiple opposite grinding experiments under the conditions of different rotation speeds, different contact pressures and the same temperature, without the experiments affecting each other, thus not only reducing experiment error, but also greatly improving the experiment efficiency. In the device, the temperature in the chamber of the temperature chamber assembly (4) can be changed by a user; the lead-screw slider lifting and loading system can separately and independently start the different opposite grinding assemblies (5) and can separately apply vertical loads to the different opposite grinding assemblies (5); and the main shaft rotation system can drive a friction disk to rotate and provide a corresponding torque.
A focal-length measuring apparatus for a sub-wavelength optical imaging device includes a laser, a beam-expanding and collimating system, a sub-wavelength optical imaging device, and a nanoscale stepped height standard sample block. The nanoscale stepped height standard sample block is connected to a power device, and the power device is connected to a computer control system. The nanoscale stepped height standard sample block is coated with a photoresist and includes a plurality of steps arranged at equal intervals Among all the steps, the heights of the steps gradually increase from a middle step to an upper side, and the values of the corresponding focal lengths decrease. While, the heights of the steps gradually decrease from the middle step to a lower side, and values of corresponding focal lengths increase. A wavelength of the laser is equal to a designed wavelength of an input light source of the sub-wavelength optical imaging device.
A battery system includes the battery compartment, haploid battery, polyploid battery and power management system; the bottom of battery compartment is divided into several elementary unit compartments provided with power jacks at four corners; each power jack is connected through a wire to form a power output terminal, then connected to the input terminal of the power management system; the size of the haploid battery matches that of a single elementary unit compartment, the polyploid battery isn't arranged in a single row, and two power contacts matching with the power jack are arranged on the diagonal of the battery's bottom surface; after power on, the power management system applies logics to determine models of the batteries in different positions of the battery compartment according to the voltage signal detected, then integrate voltage of each battery to the voltage required by appliance.
H01M 2/10 - Montures; Dispositifs de suspension; Amortisseurs; Dispositifs de manutention ou de transport; Supports
B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
G01R 31/382 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/20 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports
H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
13.
Crank and connecting rod mechanism which can realize miller cycle and its control method
A crank and connecting rod mechanism which can realize a Miller cycle and its control method, wherein an interior of a crankshaft is provided with a drive oil channel and a lock-up oil channel. A connecting rod neck of the crankshaft is arranged with an eccentric connecting rod bearing. In a crankshaft balance weight, a drive gear meshing with an outer meshing gear ring of the eccentric connecting rod bearing through an idle gear is installed. A planetary gear is installed in a drive gear hollow shaft. A lockpin is designed for the drive gear hollow shaft so as to lock with the crankshaft balance weight or with a planetary gear shaft.
Disclosed is a multi-sealing high-speed solenoid valve, the structure of which is as follows: comprising a valve body left insertion block (2) and a valve body right insertion block (3), the valve body left insertion block (2) and the valve body right insertion block (3) being connected to form a valve body main body; an end cover (1) is fixed at a side of the valve body left insertion block (2), and a spring cover (8) is fixed at a side of the valve body right insertion block (3); a valve sleeve (11) is provided in an inner cavity of the valve body main body, and a valve core (10) is provided within the valve sleeve (11); the valve core (10), is located at a side of the valve body right insertion block (3) and is connected to an armature (7), and the armature (7) acts cooperatively with a suction cup-type electromagnet (6); and the valve core (10) is sleeved by a spring (9), and one end of the spring (9) is tightly attached to the spring cover (8). The described multi-sealing high-speed solenoid valve improves the sealing performance of cylindrical surface sealing under the conditions of high oil inflow pressure, and may effectively reduce leakage and guarantee a high response speed.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
15.
OPPOSED-PISTON, THREE-STROKE INTERNAL COMBUSTION LINEAR GENERATOR
An opposed-piston, three-stroke internal combustion linear generator comprises a machine body (1) and the following components sequentially provided toward the interior of the machine body (1): a coil winding (2), an armature (3) and a main shaft (4). A main shaft position sensor (5) is fixed at the main shaft (4). Two pistons (110, 210) are oppositely arranged at two ends of the main shaft (4) and coaxially installed with the armature (3). Each piston is provided with corresponding parts including a hydraulic exhaust valve (101, 201), an air inlet valve (104, 204), an air inlet (105, 205) and a spark plug (112, 212). The air inlet valves are arranged at two opposed pistons, thereby overcoming a structural defect in a transfer port of a conventional two-stroke engine. Moreover, reconfiguration of the stroke of the engine overcomes inherent shortcomings of conventional two-stroke engines, thereby enhancing exhaust and fuel consumption performance of the engine.
Disclosed is an 4-aromatic heterocyclic substituted indazole represented by formula (I) and the use thereof as an IDO/TDO dual inhibitor. The compounds of the present invention have excellent inhibitory effects on both IDO/TDO enzymes and IDO/TDO cells and significant in vivo antitumor activity, and can be used to prevent and/or treat a variety of diseases, such as tumors, neurodegenerative diseases, Alzheimer's disease, Parkinson's disease, depression, infection associated with cellular immune activation, or abnormal tryptophan metabolism.
A61P 25/28 - Médicaments pour le traitement des troubles du système nerveux des troubles dégénératifs du système nerveux central, p. ex. agents nootropes, activateurs de la cognition, médicaments pour traiter la maladie d'Alzheimer ou d'autres formes de démence
Disclosed is a focal length measurement apparatus for a sub-wavelength optical imaging device. The focal length measurement apparatus comprises a laser (1-1), a beam expanding and collimating system (1-2), a sub-wavelength optical imaging device (1-3) and a nano-step height standard sample block (1-4), wherein the nano-step height standard sample block (1-4) is connected to a power unit (1-5) which drives the nano-step height standard sample block to move up and down in a vertical direction, and the power unit (1-5) is connected to a computer control system (1-6); the surface of the nano-step height standard sample block (1-4) is coated with photoresist; and the nano-step height standard sample block (1-4) is composed of multiple steps arranged at equal intervals on the same vertical plane, in which one of the steps is a middle step, the distance between the middle step and the sub-wavelength optical imaging device (1-3) is the design value of the focal length of the sub-wavelength optical imaging device (1-3), and among all the steps, the step height increases gradually from the middle step to the top, and the corresponding focal length value decreases; and the step height decreases gradually from the middle stop to the bottom, and the corresponding focal length value increases; and the wavelength of the laser (1-1) is equal to the designed wavelength of the incident light source of the sub-wavelength optical imaging device (1-3). A focal length measurement method using the focal length measurement apparatus for a sub-wavelength optical imaging device is further disclosed.
A crank train for realizing a Miller cycle and a control method. A driving oil passage (6) and a locking oil passage (7) are provided in a crankshaft (2). An eccentric connecting rod bushing (4) is arranged on a connecting rod journal (14) of the crankshaft (2). A driving gear (b3) meshing with an outer-meshing gear ring (15) of the eccentric connecting rod bushing via an idle gear (12) is mounted inside a crankshaft counter weight (9). A planetary gear (c3) is mounted in a hollow driving gear shaft (b2). The hollow driving gear shaft (b2) is provided with a locking pin (10) for locking the same to the crankshaft counter weight (9) or to a planetary gear shaft (c4). The hollow driving gear shaft (b2) and the planetary gear shaft (c4) are locked when hydraulic oil is fed into the driving oil passage (6), such that the planetary gear shaft (c4) transmits motion to the driving gear (b3), then the idle gear (12) transmits the motion to the outer-meshing gear ring (15) of an eccentric connecting rod bushing, and the eccentric connecting rod bushing (4) rotates around the connecting rod journal (14) of the crankshaft, thereby changing the compression ratio of an engine. Motion of the crank train is synchronized with rotation of the engine, thereby achieving compression ratio adjustment within one operation stroke of the engine, and realizing the Miller cycle. The invention has a large control margin and flexible control.
A device and method for simulating the effect of a two-stage supercharging pressure end or a turbo end bypass on spray characteristics. The device comprises a pressure end bypass simulation system, a volume-variable incendiary device, and a spray photographing system. The planar laser induced fluorescence exciplex technique is used to study the effects of a pressure end or a turbo end bypass on atomization, mixture, development history, concentration distribution, and micro characteristics. The technique realistically simulates the effects of the pressure end or the turbo end bypass on spray characteristics when a piston (27) approaches a top dead center, and provides theoretical data support for in-depth study of atomization and mixture improvement after using the pressure or turbo end bypass to achieve efficient clean combustion.
A combined battery system and a management method. The battery system comprises a battery compartment (1), a haploid batteries (2), polyploidy batteries, and a power management system (4); the bottom of the battery compartment (1) is divided into a plurality of basic unit compartments (5), supply hubs (6) being provided at four corners of each basic unit compartment (5); the supply hubs (6) are connected and joined by wires to form a power output end connected to an input end of the power management system (4); the size of each haploid battery (2) is matched with that of the single basic unit compartment (5), the polyploidy batteries are not in one-row arrangement, and two power contacts (9) matched with the supply hubs (6) are provided on diagonal lines on the bottom surfaces of the batteries; after being powered up, the power management system (4) logically determines models of the batteries placed in different positions of the battery compartment (1) according to a detected voltage signal, and further, voltages of the batteries are integrated to voltages required by electric appliances. By means of the solution, the batteries in different sizes and shapes can be replaced and selected at will according to needs and preferences of a user; the modular battery compartment (1) and battery forms provide convenience for the process of quick replacement and installation.
Disclosed is a single vehicle scheduling method for cargo collection and delivery. The method comprises: acquiring system feature data in a vehicle scheduling application scene for cargo collection and delivery, creating a collection and delivery task, and processing the system feature data of a collection and delivery problem into a form which complies with combination structure construction requirements; creating a constraint used for constructing the combination structure and a method for constructing the combination structure thereby, performing classification according to an influence form thereof for the combination structure, randomly constructing a sorting structure, using a sorting structure construction method based on the sorting structure constraint to perform local adjustment on a current sorting structure so as to enable the current sorting structure to meet the constraint, using a grouping structure constraint to construct each group one by one on the basis of the sorting structure, and using an integral structure constraint to perform detection and local combination structure adjustment; and putting same into a metaheuristic method, performing iterative evolution on a solution, stopping iteration according to a termination rule, and outputting an optimal scheduling plan. By means of the present invention, a purpose of achieving both instantaneity and transportability is accomplished, and usage requirements in a practical application scene are met.
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"
22.
METHOD FOR USE IN PREPARING MIXED PICKLES BY USING THREE-STAGE FERMENTATION USING LIQUID FLAVORED WITH FRUITS AND VEGETABLES USED IN TRADITIONAL CHINESE MEDICINE AND BY USING POSITIVE AND NEGATIVE PRESSURE COORDINATED PERMEATION TECHNOLOGY
NATIONAL ENGINEERING TECHNOLOGY RESEARCH CENTER FOR PRESERVATION OF AGRICULTURAL PRODUCTS (Chine)
CHENGDU XINFAN FOOD CO., LTD. (Chine)
Inventeur(s)
Xing, Yage
Chen, Cunkun
Che, Zhenming
Xu, Qinglian
Yu, Jinze
Wang, Li
Chen, Ling
Dong, Chenghu
Ji, Haipeng
Cao, Dong
Wang, Danfeng
Xiang, Wenliang
Abrégé
A method for use in preparing mixed pickles by using three-stage fermentation using a liquid which is flavored with fruits and vegetables used in Traditional Chinese Medicine and by using positive and negative pressure coordinated permeation technology: the raw flavor of a raw material being removed by means of hot water processing; using a drying machine having an intelligent air source heat pump to perform two-stage moisture removal and two-stage drying to obtain a dried raw material; performing low-temperature pickling at 4–5°C before fast freezing; placing said dried raw material in a freezer for freezing and pickling; using a fermentation liquid flavored with fruits and vegetables used in Traditional Chinese Medicine to permeate the frozen raw pickle material under the conditions of positive and negative pressure coordinated processing; first performing two stages of positive and negative pressure permeation on a tuber raw material; adding and mixing a solanaceous raw material and performing one stage of positive and negative pressure permeation; lastly adding and mixing a leaf vegetable raw material and then performing one stage of positive and negative pressure permeation; non-destructive sterilization being performed under super high pressure to obtain a mixed pickle product. By means of said method, a mixed pickle product which has a harmonized taste and which is more similar to traditional fermented pickles may be prepared, having no raw flavor, having low nitrite content and having high production efficiency.
A23L 19/20 - Produits à base de fruits ou de légumesLeur préparation ou leur traitement par macération ou fermentation, p. ex. choucroute ou conserves au vinaigre
23.
NOVEL SIRT2 PROTEIN INHIBITOR AND PHARMACEUTICAL USE THEREOF
Disclosed are a compound as shown in formula I, or a pharmaceutically acceptable salt, a crystal form, a solvate thereof, wherein Z is selected from (II), (III), (IV) or (V); R1 is selected from H or (VI); R2 is selected from (VII) or (VIII); and R3 is selected from halogen, C1-C4 alkyl, C1-C4 alkoxyl or (IX). The novel compound as shown in formula I of the present invention not only has a good inhibitory activity on SIRT2, but also has an excellent inhibitory effect on tumours, thus having good medicinal potential and providing a new potential option for clinical medications. Furthermore, the preparation method for the novel compound of the present invention is simple and convenient, features mild reaction conditions, convenient operation and control, low energy-consumption, high productivity and low cost, and is suitable for industrialized production.
C07D 409/12 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes de soufre comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une chaîne contenant des hétéro-atomes comme chaînons
C07D 401/12 - Composés hétérocycliques contenant plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle, au moins un cycle étant un cycle à six chaînons avec un unique atome d'azote contenant deux hétérocycles liés par une chaîne contenant des hétéro-atomes comme chaînons
C07D 403/12 - Composés hétérocycliques contenant plusieurs hétérocycles, comportant des atomes d'azote comme uniques hétéro-atomes du cycle, non prévus par le groupe contenant deux hétérocycles liés par une chaîne contenant des hétéro-atomes comme chaînons
A variable valve tappet, comprising a tappet base (9) and a holder (12). The tappet base (9) is of a cylinder structure having a T-shaped hollow cylindrical groove provided on an upper portion thereof, and a tappet sleeve (14) being of a hollow cylinder structure is fit over the tappet base (9). The tappet further comprises a valve push rod base (16) being of a cylinder structure. An additional lift cavity (20) is formed between the lower surface of the valve push rod base (16) and the tappet base (9). The holder (12) is of a hollow cylindrical structure. The upper surface of the valve push rod base (16) extends outwards along the outer edge of the cylinder to match the inner surface of the holder (12), so that an oil storage cavity (17) is formed between the upper surface of the valve push rod base (16) and the inner surface of the holder (12). An oil pumping cavity (11) is formed among the outer surface of the holder (12), the inner surface of the tappet sleeve (14), and the tappet base (9). A tappet spring (19) is provided in the oil pumping cavity (11) outside the valve push rod base (16). The tappet sleeve (14) is provided with an oil inlet (8) connected to an oil supply system, and an oil return port (22) connected to an oil return system. The upper surface of the valve push rod base (16) is connected to a valve push rod (15). A cam (1) is provided directly below the tappet base (9). The variable valve tappet can achieve valve timing and lift control in operating situations where an engine have different speeds, and features low costs, high applicability, and high stability.
F01L 1/25 - Poussoirs hydrauliques situés entre la came et la tige de soupape
F01L 1/34 - Systèmes de distribution à soupapes, p. ex. à soupapes de levage caractérisés par des moyens de changer la période d'une soupape sans changer la durée de l'ouverture
25.
MINIMUM NON-REDUCTION ASSOCIATION RULE MINING METHOD BASED ON ITEM SUBSET EXAMPLE TREE
A minimum non-reduction association rule mining method based on an item subset example tree. The method comprises the following steps: generating an item subset in an example item database by using a closed itemset generated from a single item and a union operation of a set, the set being a proper subset of a power set of an itemset; constructing an item subset example tree structure of the example item database by using the generated item subset; mining a closed frequent itemset and a minimum generation element thereof in the item subset example tree and rapidly generating a minimum non-reduction association rule according to the mined closed frequent itemset and the minimum generation element thereof. By using the closed itemset generated from a single item, a plurality of item subsets can be obtained, the item subset example tree can be constructed, and hierarchical relationships between the item subsets and corresponding support levels thereof can be described, thus effectively reducing the number of retrievals between examples and items. The storage space is also effectively reduced at the same time, thereby increasing the speed and efficiency of mining the minimum non-reduction association rule.
Disclosed in is a 1H-indazole derivative as shown in formula (A), and also disclosed is a method for preparing the compound and the use thereof as an IDO inhibitor. The compound of the present invention can be used for preventing and/or treating a variety of diseases, such as Alzheimer's disease, cataracts, cellular immune activation-related infections, autoimmune diseases, AIDS, cancers, depression, tryptophan metabolic abnormalities and so on.
A61K 31/416 - 1,2-Diazoles condensés avec des systèmes carbocycliques, p. ex. indazole
A61P 25/28 - Médicaments pour le traitement des troubles du système nerveux des troubles dégénératifs du système nerveux central, p. ex. agents nootropes, activateurs de la cognition, médicaments pour traiter la maladie d'Alzheimer ou d'autres formes de démence
A61P 27/12 - Agents ophtalmiques pour le traitement de la cataracte
A vector operation-based association rule mining method, comprising the following steps: defining vector representations for an object and an attribute, appointing operation rules for the object vector and the attribute vector in order to calculate a vector basis in an attribute set; calculating and generating vectors in the attribute set according to the vector basis; calculating the support degree of any vector in the attribute set according to the attribute set vectors; setting a threshold value for the support degree of the vector basis, screening for vectors with a support degree that is greater than the support degree threshold value; and according to a preset confidence threshold value, mining attribute association rules that satisfy the condition of said preset confidence threshold value from among the vectors with a support degree that is greater than the support degree threshold value. The method is a vector operation-based attribute association rule mining method, which utilizes a vector basis to generate a vector topology in an attribute set so as to avoid generating a power set of frequent closed itemsets, thereby avoiding calculating in the power set of the attribute set, as well as repeatedly generating attribute association rules, so as to improve calculation efficiency.
A urea injection device used for diesel exhaust after-treatment comprises an injection device body (20), a pressure stabilizing air source (21), a water tank (25), a urea tank (30), and a signal detection control unit; the injection device body (20) comprises a housing (10) and a powder cavity, a powder inlet (11) and a powder injection opening are provided on the powder cavity, and the powder injection opening is provided with a pin valve (1); a conical-surface water injection passage (7) is reserved between the housing (10) and the powder cavity, and a water inlet (5) is provided on the housing (10); the pressure stabilizing air source (21) is separately connected to the water tank (25) and the urea tank (30), as well as the water inlet (5) and the powder inlet (11); the water tank (25) is connected to the water inlet (5), and a water inlet pipe (26) is provided with a water valve (27); and the urea tank (30) is connected to the powder inlet (11), and a urea powder pipe (29) is provided with a urea powder valve (28). Urea powder and water are separated for storage, thereby avoiding the problems of metamorphism and uneven concentration distribution caused by long-time placement of a urea solution, and also avoiding the problem of capability in making the urea solution go bad during heating and deicing treatment; and aiding in a thermal cracking reaction of urea, increasing the conversion efficiency, and enlarging the working range.
A system for monitoring, purifying and regulating air quality in an automobile. An automobile is mounted with a storage battery (4) and three devices respectively powered by the storage battery (4), namely, a ventilation device (13), adsorption and filtering device (14) and heating device (15). A humidity and temperature sensor (7), formaldehyde sensor (8), carbon monoxide sensor (9), total volatile organic compound sensor (10) and inhalable particulate sensor (11) mounted in the automobile are respectively connected to a system control module (5), and the system control module (5) comprises a sensor signal processing circuit and a power on-off control circuit of said three devices. The system can monitor indicators, such as air quality, temperature and humidity, in the automobile in real-time, and activate said three devices according to whether the indicators exceed limits. Furthermore, the system control module can upload data to a mobile phone via a wireless network to perform real-time display, and the mobile phone can send an instruction to the system control module according to a user demand to turn said three devices on or off in real-time, thus achieving air purification and regulation in the automobile.
A production enhancement system using a robot drill for drilling multi- branched fishbone and radial microholes in shale gas reservoirs, comprising a system for a robot drill drawing coiled tubing and drilling multi-branch fishbone horizontal holes, a well-finishing system for a robot drill drawing coiled tubing and drilling small-bore branch holes, and a system for blasting and transformation in multi-branch fishbone horizontal holes. The system for a robot drill drawing coiled tubing and drilling multi-branch fishbone horizontal holes is used for drilling multilevel fishbone horizontal holes, providing a foundation for well-finishing and increasing production through blast-fracturing and transformation; the well-finishing system for a robot drill drawing coiled tubing and drilling small-bore branch holes is used for well- finishing operations in multilevel fishbone horizontal holes where drilling is completed. Also disclosed is a method for finishing well drilling and increasing production. The present production enhancement system and method realize low-cost, high- efficiency, safe, environmentally-friendly production, and avoid such drawbacks of long horizontal holes and staged, large-scale fracturing as the attendant waste of water and sand, high water pollution risks, and deep-well fracturing failure.
A production enhancement system using a robot drill for drilling multi-branched fishbone and radial microholes in shale gas reservoirs, comprising a system for a robot drill drawing coiled tubing and drilling multi-branch fishbone horizontal holes, a well-finishing system for a robot drill drawing coiled tubing and drilling small-bore branch holes, and a system for blasting and transformation in multi-branch fishbone horizontal holes. The system for a robot drill drawing coiled tubing and drilling multi-branch fishbone horizontal holes is used for drilling multilevel fishbone horizontal holes, providing a foundation for well-finishing and increasing production through blast-fracturing and transformation; the well-finishing system for a robot drill drawing coiled tubing and drilling small-bore branch holes is used for well-finishing operations in multilevel fishbone horizontal holes where drilling is completed. Also disclosed is a method for finishing well drilling and increasing production. The present production enhancement system and method realize low-cost, high-efficiency, safe, environmentally-friendly production, and avoid such drawbacks of long horizontal holes and staged, large-scale fracturing as the attendant waste of water and sand, high water pollution risks, and deep-well fracturing failure.
brevets
