Abstract: The present disclosure describes a method for repairing a cathode material of a spent lithium-ion battery, which includes: mixing the cathode material of the spent lithium-ion battery, a lithium sheet, a solid oxidant and absolute ethanol under a protective atmosphere for repairing to obtain a repaired cathode material of the lithium-ion battery, where a temperature for the repairing is 20-70° C.; a ratio of the amount of substance of lithium atoms to the total amount of substance of other metal atoms in the cathode material of the spent lithium-ion battery is (0.5-1):1, excluding 1:1.

Abstract: A visible-light-photocatalyzed composite light-transmitting concrete contains several bundles of optical fibers, the optical fibers are coated with a protective layer on their outer surface, the protective layer contains a visible light photocatalyst, and the concrete has several gas-permeable pores. Such concrete is prepared by mixing a visible light photocatalyst and a light-transmitting glue, applying the mixture to the surface of optical fibers to form a protective layer, and using optical fibers in the concrete. The resulting concrete has dual properties of light transmittance and photocatalytic oxidation of gas-phase pollutants under visible light irradiation. The visible-light-photocatalyzed composite light-transmitting concrete significantly breaks through the limitation of photocatalytic concrete to light sources, so that gas-phase pollutants can be removed under visible light irradiation through photocatalysis of light-transmitting concrete.

Abstract: An array substrate and a manufacturing method therefor, a display panel, and a backlight module, are provided. The array substrate may comprise a base substrate, a metal wiring layer, a first planarization layer, an electrode layer, a second planarization layer, and a functional device layer stacked in sequence. The electrode layer comprises a metal sub-layer and a conductive sub-layer stacked on one side of the base substrate in sequence; the material of the metal sub-layer comprises a metal or a metal alloy; the conductive sub-layer has an oxidation resistance and covers the metal sub-layer . The functional device layer is disposed on the side of the second planarization layer distant from the base substrate, and comprises a plurality of functional devices electrically connected to the electrode layer.

Abstract: An output-decision-based negative feedback control method and system. The method includes: receiving, by an output decider, output responses of at least two heterogeneous functional equivalents, and dividing numbers corresponding to the at least two heterogeneous functional equivalents into at least one set according to the output responses; determining, by the output decider, credibility of each set according to the output responses, and sending the at least one set and the credibility corresponding to each set to a feedback controller via decision information; generating, by the feedback controller, a first scheduling policy and/or a second scheduling policy according to the decision information; and sending, by the feedback controller, the first scheduling policy to an input proxy, and/or sending a change instruction to the heterogeneous functional equivalent indicated by the second scheduling policy. The method can prevent in advance and process a heterogeneous functional equivalent that may be faulty.

Abstract: A wafer cleaning apparatus includes: a brush, configured to wash a surface to be cleaned of a wafer; a base for carrying the brush, the base having at least one conductive disk, a disk surface of the conductive disk being parallel to the surface to be cleaned, and the base being able to rotate around an axis of the base; and a magnetic field generation structure configured to emit, to the conductive disk, a magnetic field perpendicular to the disk surface of the conductive disk, so that an induced electric field is generated in the conductive disk during the rotation of the base. The quality of wafer cleaning and the yield of wafer products can be improved.

Abstract: A construction method of reclaiming land from the sea based on the basement utilization, which implementation steps are as follows: a. installing a dike along the coastline, enclosing a central reclamation area by the dike and the coastline; b. installing crisscross enclosures in the central reclamation area, dividing the central reclamation area into a mesh area by the enclosure and the dike; c, pumping drainage of seawater in a block area in the mesh area, forming land in the block area; d. constructing the enclosure in the mesh reclamation area, using the enclosure and subsidiary roads to form road arteriality; the block area being lower than the height of the enclosure, constituting a grid-like high-road/low-land land supply mode; e. developing the block area into an underground space area.

Abstract: An experimental setup for measuring the vacuum degree and pore pressure at a point of soil mass in vacuum consolidated state, including a connecting tube, the connecting tube includes an upper water storage tube, a middle tube, the middle tube is loaded with an upper experimental soil mass, the lower tube is loaded with a lower experimental soil mass, a water storage chamber is connected to a pumping mechanism, an intermediate inner chamber is connected to a negative pressure vacuum gauge, the inlet conduit is connected to a negative pressure vacuum gauge. Additionally, the present invention provides a test operation method. The device measures the vacuum degree of upper part of experimental soil mass by observing the reading in the negative pressure vacuum gauge.

Abstract: A method and an apparatus for constructing an object relationship network and an electronic device are provided by the present disclosure, relating to the field of artificial intelligence technologies, such as deep neural networks, deep learning, etc. A specific implementation solution is: extracting keywords in respective text contents corresponding to a plurality of objects to obtain keywords corresponding to respective objects; and according to the keywords corresponding to the objects, a similarity between the plurality of objects is determined; and then according to the similarity between the plurality of objects, an object relationship network between the plurality of objects is constructed. Since the object relationship network constructed by means of the similarity between the plurality of objects can accurately describe a closeness degree of a relationship between the objects, thus, the plurality of objects can be managed effectively by means of the constructed object relationship network.

Abstract: Described are compounds of the structure R4-a—Si-((Sp-Y)—Zb)a, wherein “a” is an integer from 1 to 3; “b” is an integer from 0 to (3×a); “Z,” which is absent when “b”=0, is halogen, C1-6 linear or branched alkyl, alkenyl, or alkynyl, C1-6 linear or branched halo-alkyl, halo-alkenyl, or halo-alkynyl, or wherein each “R” is halogen, C1-6 linear or branched alkyl, alkenyl, or alkynyl or C1-6 linear or branched halo-alkyl, halo-alkenyl, or halo-alkynyl; each “Sp” C1-15 linear or branched alkylenyl or C1-15 linear or branched halo-alkylenyl; and each “Y” an organic polar group. Also described are electrolyte compositions containing one or more of these compounds.

Abstract: An experimental setup for measuring the vacuum degree and pore pressure at a point of soil mass in vacuum consolidated state, including a connecting tube, the connecting tube includes an upper water storage tube, a middle tube, the middle tube is loaded with an upper experimental soil mass, the lower tube is loaded with a lower experimental soil mass, a water storage chamber is connected to a pumping mechanism, an intermediate inner chamber is connected to a negative pressure vacuum gauge, the inlet conduit is connected to a negative pressure vacuum gauge. Additionally, the present invention provides a test operation method. The device measures the vacuum degree of upper part of experimental soil mass by observing the reading in the negative pressure vacuum gauge.

Abstract: A high temperature resistant wire is provided. The high temperature resistant wire comprises a carbon nanotube wire and a boron nitride layer coated on a surface of the carbon nanotube wire. The boron nitride layer is coaxially arranged with the carbon nanotube wire. A working temperature of the high temperature resistant wire in the air ranges from 0K to 1600K. A working temperature of the high temperature resistant wire in vacuum ranges from 0K to 2500K. A detector using the high temperature resistant wire is also provided.

Abstract: A preparing method for high-purity levetiracetam, comprising: adjusting the pH of an extracted aqueous layer obtained by dissociating (S)-?-ethyl-2-oxo-1-pyrrolidineacetic acid (R)-methylbenzylamine salt to 5-9; removing water; adding an organic solvent to form a solution and then performing an esterification reaction with ethyl chloroformate or methylchlorofonmate; and carrying out an ammonolysis reaction to obtain the levetiracetam. The method simplifies production process, increases yield, reduces or even avoids the use of triethylamine in the esterification process, and reduces the emission of a great amount of three wastes.

Abstract: Provided are an automatic parking method, device and system, relating to the technical field of vehicles. The method comprises: receiving operating information input by a user on the condition of receiving an automatic parking start instruction (101); generating a parking control instruction according to the operating information (102); and sending the parking control instruction to a vehicle for the vehicle to complete an automatic parking operation according to the parking control instruction (103). According to the disclosure, in the process of controlling the vehicle to automatically park, a mobile terminal converts the operating information with large data capacity input by the user in the mobile terminal into the parking control instruction with small data capacity, and only sends the parking control instruction to an automatic parking system controller for the vehicle to complete automatic parking.

Abstract: Embodiments of the present application provide a sleeve assembly, a cover plate assembly, a battery, and an electricity-consuming apparatus. The sleeve assembly is used for sealing a through hole. The sleeve assembly includes: a sleeve with an opening on at least one end; a nail body including a body portion. The size of the body portion is larger than the size of the barrel diameter of the sleeve. The body portion is configured to be inserted into the sleeve through the opening and press the inner wall of the sleeve after the sleeve is inserted into the through hole in the axial direction so as to form a protrusion for riveting the sleeve to the through hole on the outer wall of the sleeve.

Abstract: A visible-light-photocatalyzed composite light-transmitting concrete contains several bundles of optical fibers, the optical fibers are coated with a protective layer on their outer surface, the protective layer contains a visible light photocatalyst, and the concrete has several gas-permeable pores. Such concrete is prepared by mixing a visible light photocatalyst and a light-transmitting glue, applying the mixture to the surface of optical fibers to form a protective layer, and using optical fibers in the concrete. The resulting concrete has dual properties of light transmittance and photocatalytic oxidation of gas-phase pollutants under visible light irradiation. The visible-light-photocatalyzed composite light-transmitting concrete significantly breaks through the limitation of photocatalytic concrete to light sources, so that gas-phase pollutants can be removed under visible light irradiation through photocatalysis of light-transmitting concrete.

Abstract: Described are compounds of the structure R4-a—Si-(Sp-Y)a—Zb, wherein “a” is an integer from 1 to 4; “b” is an integer from 0 to (3×a); “Z,” which is absent when “b”=0, is “R” or wherein each “R” is halogen, C1-6 linear or branched alkyl, alkenyl, or alkynyl or C1-6 linear or branched halo-alkyl, halo-alkenyl, or halo-alkynyl; each “Sp” C1-15 linear or branched alkylenyl or C1-15 linear or branched halo-alkylenyl; and each “Y” an organic polar group. Also described are electrolyte compositions containing one or more of these compounds.

Abstract: A heat exchange device includes a heat exchanger and a water guider. The water guider is arranged on the heat exchanger and has a water guide groove, and condensed water on at least a part of the heat exchanger can flow out through the water guide groove. The heat exchange device has a good drainage performance, can prevent the condensed water from accumulating, and thus improves a heat exchange area and a heat exchange efficiency of the heat exchanger.

Abstract: Disclosed herein, are recombinant polypeptides comprising one or more homologous amino acid repeats fused with an IgG binding domain The recombinant polypeptides can be bound to a therapeutic antibody and used a delivery vehicle to increase the retention time and reduce systemic-related side effects of the therapeutic antibodies.

Abstract: Implementations of the present specification provide a blockchain-based identity verification method and related hardware. The method includes: An agent client generates an identity verification request based on identity verification input information of a business platform, the identity verification input information indicating an identity verification parameter for identity verification and an identity verification platform that executes the identity verification. The agent client sends the identity verification request to the identity verification platform. The identity verification platform performs identity verification on the identity verification parameter to obtain a result of the identity verification. The identity verification platform submits a transaction including a verifiable credential of a result of the identity verification to a blockchain.

Abstract: A method for synthesizing valsartan, comprising the steps of: synthesizing a valsartan methyl ester intermediate to obtain a reaction mixture of the valsartan methyl ester intermediate; diluting the reaction mixture by salt water or water, and then using a first extraction solvent to extract the valsartan methyl ester intermediate; adding alkali to an organic layer containing the valsartan methyl ester intermediate for hydrolyzing, removing the organic layer, regulating pH of a water layer to be acidic by using acid, using the first extraction solvent to extract, concentrating a part of solvent, or distilling the solvent to dryness, and then adding a new solvent; finally, crystallizing, filtering, and drying to obtain the valsartan.