Abstract: An electronic device includes an arithmetic unit layer and a power supply. The arithmetic unit layer comprises at least one arithmetic unit. Each arithmetic unit comprises a first housing in a shape of cuboid. A first side direction of the first housing extends in a first direction. The first housing is provided with first and second openings at both ends in the first side direction thereof to form a coolant passage extending in the first direction. The power supply is stacked with arithmetic unit layer in a second or a third direction. A first side direction of the power supply is aligned with the first side direction of each arithmetic unit. The power supply is provided with third and fourth openings at both ends in the first side direction thereof to form a coolant passage extending in the first side direction of the power supply.

Abstract: A charging circuit includes at least two direct current-direct current (DC-DC) conversion circuits coupled between a power supply end and a charging end of the charging circuit. A voltage input end of the DC-DC conversion circuit is coupled to the power supply end, and a voltage output end of the DC-DC conversion circuit is coupled to the charging end. The at least two DC-DC conversion circuits include a first DC-DC conversion circuit and a second DC-DC conversion circuit. The first DC-DC conversion circuit is configured to perform voltage conversion on a voltage at the power supply end, to output a first charging signal to the battery. The second DC-DC conversion circuit is configured to perform voltage conversion on the voltage at the power supply end to output a second charging signal to the battery.

Abstract: This application discloses a liquid cooling heat dissipation plate and a liquid cooling electronic device, wherein the liquid cooling heat dissipation plate includes a cooling plate unit, a liquid inlet and a liquid outlet are provided at side walls of the cooling plate unit, the liquid inlet is in connection with the liquid outlet through a penetrating channel, and the penetrating channel respectively penetrates two opposite mounting surfaces of the cooling plate unit; further, a pair of fin bases are respectively lapped at positions on the two mounting surfaces corresponding to the same straight channel, and the seal plate unit is lapped at a position on the mounting surface corresponding to positions in the penetrating channel that are not covered by the fin base; and any two of the fin base, the seal plate unit, and the mounting surface are fastened by friction welding.

Abstract: This application relates to a precomputed cell display method and apparatus, a computer device, a computer-readable storage medium, and a computer program product. The method includes: displaying, in response to a view space division event triggered for a virtual scene in which a virtual character is located, a limited-view space and a full-view space that are obtained through division in the virtual scene; displaying, corresponding to a navigation mesh of a first space in the limited-view space, a plurality of precomputed cells that extend in a standing direction of the virtual character and that cover the navigation mesh; and displaying, corresponding to a static mesh of a second space in the full-view space, a plurality of precomputed cells that extend in the standing direction of the virtual character and that cover the static mesh of the second space.

Abstract: A lightweight depressurization hydrogen supply device suitable for a hydrogen energy handheld torch is provided. The device is configured to connect a gas cylinder to a combustor in the torch and includes a cylinder opening valve, a pressure reducing valve, a switch assembly, a switch actuating component, and a gas cylinder cap. The pressure reducing valve is configured to perform depressurization of high pressure hydrogen, and is provided with three butting ports. A lower butting port is connected to the gas cylinder cap, an upper butting port is connected to the combustor, a side butting port is provided with the switch assembly, and the switch actuating component and the cylinder opening valve are installed in the gas cylinder cap. The switch assembly is configured to control the switch actuating component to open or close the cylinder opening valve. The cylinder opening valve is connected to a cylinder opening of the gas cylinder and configured to open or close the gas cylinder.

Abstract: Provided herein are engineered Cas13 proteins with enhanced collateral activity. The engineered proteins comprise RNA binding domains (RBDs) fusions within an active site-proximal loop within a higher eukaryotes and prokaryotes nucleotide-binding (HEPN) domain. Also provided are compositions comprising and methods of using the engineered Cas13 proteins to detect target nucleic acids at attomolar sensitivity.

Abstract: A quantum dots light-emitting device and a manufacturing method thereof are provided, which includes: an electron transport layer, an auxiliary layer, and a quantum dot light-emitting layer sequentially stacked, the quantum dot light-emitting layer includes quantum dots, surfaces of the quantum dots are provided with a first ligand, the first ligand includes a first functional group connected to the quantum dots and a second functional group away from the quantum dots; surfaces of the quantum dots in contact with the first ligand have a compound formed by a metal element and a nonmetallic element, a material of the auxiliary layer includes at least one selected from a group consisting of a compound containing the second functional group, a compound containing the metal element, and a compound containing the nonmetallic element. The auxiliary layer firstly occupies a site where unnecessary quantum dots may remain.

Abstract: A flexible supporting layer and a flexible display device. The flexible supporting layer is applied in a flexible display device, and the content of a flexible supporting layer material per unit volume increases in the curl direction of the flexible display device.

Abstract: A data processing device and a data processing system are provided. The data processing device includes a housing, which is thermally conductive and defines a sealed accommodating cavity; a hashboard, which is arranged in the accommodating cavity and is in fixed connection to the housing; a control board, which is in communicative connection to the hashboard; and a power supply module, which is in electrical connection to the hashboard.

Abstract: Disclosed in embodiments of the present application are a liquid-cooling heat dissipation apparatus, a liquid-cooling data processing device and a temperature equalization method. The liquid-cooling heat dissipation apparatus includes a housing unit and a first liquid-cooling plate arranged in the housing unit. A first electronic unit and a second electronic unit are arranged on a first cooling surface and a second cooling surface arranged oppositely of the first liquid-cooling plate respectively, and the first electronic unit and the second electronic unit may be, for example, hashboards, that is, in the liquid-cooling heat dissipation apparatus provided in the embodiment of the present application, one liquid-cooling plate is correspondingly provided with two hashboards.

Abstract: A machine-learning (ML) based motion analysis and training method and systems are provided. The method includes acquiring data of measurements of kinematics of a user performing a task with his/her hands or arms; analyzing the data of measurements based on a machine-learning (ML) model to evaluate patterns of hand/arm movements of the user; and providing feedback and/or advice based on results of the analysis for improvement of skills of the hand/arm motions of the user. The analyzing the data of measurements includes data preprocessing for preparing raw data for analysis, feature engineering for creating relevant features from the raw data for training the ML model, model training for training the ML model based on the preprocessed data, model evaluating for assessing performance of the trained model based on predetermined evaluation metrics, hyperparameter tuning for fine-tuning the hyperparameters of the ML model to improve its performance, model validating, and model testing.

Abstract: A light absorbing clement includes a phase match composite layer comprising a composite dielectric film with constituents having differing refractive indices, a metal layer, and a light absorbing carbon layer disposed between the metal layer and the phase match composite layer.

Abstract: A back film and a display device are provided. The back film comprises: a central area, having a first edge and a second edge adjacent to the first edge, wherein the first edge extends in a first direction, the second edge extends in a second direction, and the first direction intersects with the second direction; a first foldable area, connected to the first edge of the central area and extending in the first direction; a second foldable area, connected to the second edge of the central area and extending in the second direction; and a third foldable area, connected to a junction between the first edge and the second edge of the central area, and connected further to the first foldable area and the second foldable area. The third foldable area is provided with a plurality of openings.

Abstract: A hashboard, a power supply system of a digital processing device and the digital processing device. The digital processing device comprises: a housing; N (?2) hashboards and a control board both located inside the housing. Each hashboard comprises: a substrate; power positive and power negative terminals respectively mounted on the substrate and adapted to be connected to another hashboard in series; a communication interface mounted on the substrate; and computing chips mounted on the substrate. A signal transfer path of the computing chips has a chain configuration. The N hashboards are connected in series to form a series power supply configuration, a power positive terminal of a first hashboard in the series power supply configuration is connected to a positive terminal of a power supply, and a power negative terminal of a last hashboard in the series power supply configuration is connected to a negative terminal of the power supply.

Abstract: A p-phenylenediamine rubber antidegradant compound has a cycloalkyl structure named N-(3,5,5-trimethylcyclohexyl)-N?-phenyl p-phenylenediamine. The compound is prepared by reacting a compound A, 4-aminodiphenylamine, and hydrogen in a condensation hydrogenation reaction in presence of a catalyst, and the compound A is 3,5,5-trimethyl-2-cyclohexen-1-one, 3,3,5-trimethylcyclohexanone, 3,3,5-trimethylcyclohexanol, or combination thereof.

Abstract: A single-phase immersion liquid cooling system, a liquid cooling method, and a storage medium are provided.

Abstract: A hybrid damping module, a vibration suppression device, a vibration suppression method and a wind turbine are provided. The hybrid damping module includes a first damping unit and second damping unit. The first damping unit includes a rotor portion and a stator portion provided parallel to the rotor portion. The rotor portion is configured to rotate relative to the stator portion so as to generate electromagnetic damping. A flow passage is formed in at least one of the rotor portion and the stator portion. The second damping unit includes a liquid damper. The liquid damper communicates with the flow passage and forms a circulation loop, and a liquid in the liquid damper can cyclically flow in the circulation loop.

Abstract: A device for treating uranium tailings with microorganism is provided and includes a treatment container, a spray water distribution assembly, a microbial incubator and a first pump. The water is transported from the microbial incubator to the spray water distribution assembly through the first pump, allowing the microorganisms to enter the interior of the uranium tailings in the treatment container. After treatment is completed, the water is collected by the water collection cylinder and sent back to the microbial incubator for recovery, so as to reduce the waste of microorganisms. The even distribution of horizontal spray pipes can evenly spray water containing microorganisms on the uranium tailings in the treatment container, which makes the distribution of microorganisms in the uranium tailings more uniform and can prevent inadequate treatment and improve the treatment efficiency of microorganisms on uranium tailings.

Abstract: The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power; and a sixth lens with a refractive power. Wherein Semi-FOV is a half of a maximum field of view of the optical imaging lens assembly, and Semi-FOV satisfies Semi-FOV?60°; A curvature radius of an object-side surface of the first lens and a curvature radius of an image-side surface of the first lens satisfy ?2.5<(R1?R2)/(R1+R2)<?1.0; A curvature radius of an object-side surface of the second lens and a curvature radius of an image-side surface of the second lens satisfy 1.5<R4/R3<2.5.

Abstract: This document provides butyrylcholinesterases having an enhanced ability to hydrolyze acyl ghrelin as well as nucleic acids encoding such butyrylcholinesterases. This document also provides methods and materials for treating obesity and/or aggression. For example, methods for administering a nucleic acid encoding a wild-type or mutant butyrylcholinesterase having the ability to hydrolyze acyl ghrelin to a mammal under conditions wherein the level of acyl ghrelin within the mammal is reduced, under conditions wherein the rate of body weight gain of the mammal is reduced, under conditions wherein the mammal's level of aggression is reduced, and/or under conditions wherein the mammal's rate of developing stress-induced tissue damage are provided.