Abstract: Systems, apparatuses and methods provide technology that receives different numbers of accesses to a data shard from different regions, where the data shard is a portion of a dataset. The technology identifies, with a machine learning model, access patterns based on the different numbers of accesses, and generates, with the machine learning model, values for the different regions based on the access patterns, where the values represent ranks of the different regions that correspond to a future number of predicted accesses to the data shard from the different regions. The technology determines a subset of the different regions to store the data shard based on the values and stores a replica of the data shard in each of the subset of the regions without scarifying latency.

Abstract: Embodiments of the present disclosure provide a lattice Boltzmann fluid animation simulation method based on implicit particle interpolation. One specific implementation of the method includes: controlling each grid in a grid set to perform collision operations, and determining a distribution function after collision; based on the grid information contained in each grid in the grid set, moving an interface corresponding to the grid set; for each grid in the grid set, executing the following processing steps: performing a streaming of the distribution function on the grid to generate a function quantity of streaming, and determining a grid mass quantity of streaming based on the function quantity of streaming; updating the velocity of each particle on the grid; for each particle with updated velocity, updating the position of the particle; performing, based on a target area, a particle resampling process on each grid in the grid set.

Abstract: This disclosure relates to an immersive ankle rehabilitation training method and electronic apparatus based on upper limb motion signals. The innovation of this technology lies in that: firstly, this disclosure proposes a hybrid model of Regression LSTM corrected by a sliding window based voting algorithm, which predicts the changing angle of the user's wrist joint through wearable EMG sensors; secondly, this disclosure designs and develops two different VR training scenes for users of dorsiflexion and plantar flexion of foot; during the training, users wear VR headwear displays and EMG monitoring devices, to continuously perform wrist dorsiflexion or wrist palm flexion movements, predict the change in wrist joint angles in real-time through forearm sEMG signals, and map it to the contralateral ankle of the avatar in the virtual scene for rotation.

Abstract: Disclosed in the present invention is a control method for water supply during loosening and conditioning based on a neural network model and a dual parameter correction. The method comprises: establishing a neural network-based model for predicting the amount of water supplied during loosening and conditioning; predicting and distributing the total water supplied; and correcting the model based on material balance calculation and deviation. In the present application, when there is a large deviation in outlet moisture, the dual correction control system combining the material balance calculation and the moisture deviation is used for correction to improve the stability and precise control of the outlet moisture during the loosening and conditioning process.

Abstract: The application provides a brightness detection method, a computer device and a readable medium, where the brightness detection method includes: using each of display modules in a display module production line as a test module separately, where the test module is provided with a photosensitive sensor; obtaining a brightness algorithm formula of the photosensitive sensor of each of the test module; and performing, according to the brightness algorithm formula, ambient light detection by the photosensitive sensor.

Abstract: A digital twin-based pressure vessel safety evaluation and risk warning method includes steps: S1, determine a damage mode of pressure vessel; S2, design an overall plan of pressure vessel safety evaluation and risk warning; S3, simplify physical model of the pressure vessel and build a simplified physical model based on designed overall plan; S4, obtain load condition parameters during actual service of the pressure vessel; S5, determine material performance parameters of the pressure vessel; S6, build a digital twin model of pressure vessel safety evaluation and risk warning; S7, obtain a full-field damage distribution cloud map of the pressure vessel; S8, compare the full-field damage distribution cloud map and strength requirement of material of pressure vessel, if the strength requirement is met, conduct a safety evaluation at next time node according to subsequent needs of user, and if the strength requirement is not met, output a pressure vessel risk warning.

Abstract: The present disclosure is directed to a series-connected power supply circuit and a data processing device. The series-connected power supply circuit comprises: at least two layers of to-be-powered chips (A1, A2, . . . , Am) connected in series between a first power supply end (A) and a second power supply end (B), with a highest-layer to-be-powered chip (Am) in the at least two layers of to-be-powered chips (A1, A2, . . . , Am) connected to the first power supply end (A), and a bottommost-layer to-be-powered chip (A1) in the at least two layers of to-be-powered chips (A1, A2, . . . , Am) connected to the second power supply end (B); and each layer of auxiliary power supply units (B1, B2, . . . , Bm), which is respectively connected to each layer of the to-be-powered chips (A1, A2, . . . , Am), wherein the first power supply end (A) is configured to receive a reference voltage.

Abstract: A method, an apparatus, a blockchain server and a storage medium for determining a temperature of a cooling liquid are provided. The method includes: determining a first average temperature of a plurality of chips and a first average power of the plurality of chips in a blockchain server, in which the blockchain server includes a liquid cooling system, the liquid cooling system includes a liquid cooling plate and the plurality of chips, the plurality of chips and the liquid cooling plate are in exchange of heat, and the cooling liquid is contained in the liquid cooling plate; determining a thermal resistance coefficient of the liquid cooling system; and determining a first temperature of the cooling liquid based on the first average temperature, the first average power and the thermal resistance coefficient.

Abstract: In various examples, systems and methods for decomposition of quantum oracles for simulating quantum circuits are provided. A simulation platform may receive as input a representation of a quantum circuit that comprises decomposable Boolean functions that define a quantum oracle and convert a Boolean representation of the quantum oracle to a set of Boolean functions. The Boolean functions may be used to create an oracle tensor network (e.g., a MPO sub-tensor network) comprising an exact representation of the Boolean representation of the quantum oracle. The oracle tensor network representation may be incorporated into a tensor network representation of the quantum circuit and passed to the simulation platform in order to simulate the quantum circuit.

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 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: 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: 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: 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 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.