Abstract: A motor controller for pulse heating of a power battery. The motor controller includes an inverter circuit, the inverter circuit includes three switching transistor bridge arms, two ends of each switching transistor bridge arm are respectively configured to connect to positive and negative electrodes of the power battery through a direct current bus, and bridge arm midpoints of the three switching transistor bridge arms are separately configured to connect to a three-phase winding of a motor. The bridge arm midpoints of the three switching transistor bridge arms are configured to output a three-phase current, the three-phase current is used to generate a pulse alternating current on the direct current bus, and the pulse alternating current is used to heat the power battery. A current of each phase of the three-phase current is a unipolar triangular wave, and a sum of the three-phase current is zero.

Abstract: The present disclosure relates to the technical field of semiconductors, and provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes: a substrate; a bit line located on the substrate; and a support layer located on the substrate, wherein the support layer includes a first support segment and a second support segment, the first support segment and the second support segment are both connected to the bit line, and the bit line is located between the first support segment and the second support segment.

Abstract: The present application provides a glabridin composition with high skin permeability and a preparation method and use thereof, belonging to the field of cosmetics. The glabridin composition is prepared from an S1 phase, an S2 phase and an S3 phase, in which the S1 phase consists of an oil and glabridin, the S2 phase is prepared from 3-o-ethyl ascorbic acid, an anionic surfactant, a nonionic surfactant, a polyol and water, and the S3 phase is water. The glabridin composition is prepared by conventional emulsifying equipment, and has low preparation cost, and simple operation process. The composition has good skin permeability, and has good state stability, good content stability, good pH stability and high mildness under high temperature and low temperature conditions, thus having unexpected technical effects.

Abstract: Provided are a method and a device for converting a current and a moment and a rehabilitation robot, which relate to the technical field of current moment conversion. The method is applied to a controller of a rehabilitation robot; and the method comprises: acquiring to-be-processed current data; searching for a conversion relationship corresponding to the to-be-processed current data from a pre-stored current conversion relationship table based on the to-be-processed current data, wherein the current conversion relationship table stores at least one set of corresponding relationships of current data and conversion relationship; and converting the to-be-processed current data into a corresponding target moment using the conversion relationships.

Abstract: A refrigerator, comprising a refrigerator body, a main door arranged on an outer side of the refrigerator body, and a secondary door arranged on an outer side of the main door. A first magnet is arranged in an area of the refrigerator body opposite the main door, a second magnet is arranged in an area of the secondary door opposite the main door, and an electromagnetic assembly is arranged on the main door and configured to controllably or operably generate a magnetic attraction force for attracting the first magnet or a magnetic attraction force for attracting the second magnet. The magnetic attraction effect ensures that the door body, which does not need to be opened, will be in a closed state when a user opens the refrigerator.

Abstract: The present disclosure provides a manufacturing method of a semiconductor structure, including: an insulating layer includes a first dielectric layer and a second dielectric layer, a protective layer covers an upper surface of the second dielectric layer and a bottom and sidewalls of the first trench; removing part of the protective layer to expose at least part of a surface of the second dielectric layer; removing the second dielectric layer by a first wet etching process, the first wet etching process has a first etch selectivity of a material of the second dielectric layer to that of the first dielectric layer; and removing the protective layer by a second wet etching process, the second wet etching process has a second etch selectivity of a material of the protective layer to that of the first dielectric layer, and the second etch selectivity is greater than the first etch selectivity.

Abstract: An efficient map matching method for GPS trajectory includes: obtaining a valid GPS point list; obtaining a current searched end point; backtracking a best map matching path from the current searched end point, traversing GPS points along the path to obtain best matching results, and summarizing the best matching results to output a matching result statistical table; and determining whether the current searched end point is a final point.

Abstract: A photovoltaic device and a method for mounting a photovoltaic device are provided. The photovoltaic device includes a color steel tile, a bonding layer, and a photovoltaic assembly. The color steel tile includes an angle relaxation portion. The bonding layer is arranged on a top wall of the angle relaxation portion. The photovoltaic assembly is located on one side of the color steel tile and connected to the color steel tile through the bonding layer. The bonding layer includes a first bonding portion and a second bonding portion arranged along a first direction. In the first direction, a ratio of a dimension of the first bonding portion to a dimension of the second bonding portion ranges from 0.1 to 0.5. The first bonding portion temporarily fix the photovoltaic assembly, while the second bonding portion mainly fix the photovoltaic assembly.

Abstract: A method for extracting germanium based on acid decomposition is provided, including acid decomposition and post-treatment steps, and specifically including: adding an acid to a coal ash for conditioning to obtain a material a; heating the material a to 350° C. to 800° C., and keeping the material a at this temperature for 10 min to 10 h to obtain an acid-decomposed material b; milling the acid-decomposed material b until more than 60% of a milled material has a particle size of less than 200 mesh to obtain a material c; subjecting the material c to distillation to obtain a residual slurry d and a distillation fraction e; and hydrolyzing the distillation fraction e with a dilute hydrochloric acid solution, and then oven-drying to obtain GeO2.

Abstract: Provided is an ankle joint rehabilitation training device, wherein the device acquires an actual movement parameter of a patient by a sensor assembly, determines a parameter difference according to the actual movement parameter and an application movement parameter by a controller, and adjusts the application movement parameter according to the parameter difference and the actual movement parameter, finally generates a movement instruction, and drives a foot support to move by the motor according to the movement instruction, so as to perform the rehabilitation training on the patient's foot. Since the current movement ability of the patient is considered in the process of rehabilitation training, the rehabilitation training is more suitable to personal condition of the patient, meanwhile, the rehabilitation training also considers the application movement parameter corresponding to the target rehabilitation strategy.

Abstract: The present invention discloses a method and an apparatus for rebuilding a relightable implicit human body model. A human body is represented as a deformable implicit neural representation, and a geometric shape, material attributes, and ambient lighting of the human body are decomposed to obtain a relightable and drivable implicit human body model. In addition, a volumetric lighting grid including a plurality of spherical Gaussian models is introduced to represent complex lighting with spatial variation, and visible probes capable of changing in position with change in human pose are introduced to record dynamic self-occlusion caused by human motion. With the method, drivable implicit models capable of being used for high-fidelity human body relighting may be generated in cases of sparse video input and even monocular input.

Abstract: A bridge monitoring method, system, a structure state monitoring device and a storage medium, which comprises: obtaining at least one qubit pair in a quantum entangled state; the coupling relationship between the qubit pair state of at least one qubit pair and the physical parameters of the bridge is constructed. The qubit pair state of at least one qubit pair is monitored, and the structural state of the bridge is determined based on the qubit pair state and the coupling relationship. The invention uses the entanglement relation of quantum bits to realize the real-time monitoring of the bridge structure state in the full range of the bridge with high sensitivity and high resolution.

Abstract: A refrigerator and a glass door thereof. The glass door of the refrigerator comprises a glass plate body and an outer frame; the outer frame is configured to be hinged to a refrigerator body or a door body of the refrigerator; the outer frame extends along the edge of the glass plate body and is fixedly connected to the edge of the glass plate body; and the outer frame covers part of the edge of the glass plate body. The glass door has a lighter weight and a better appearance, and causes the overall thickness of the refrigerator having a composite door structure to be reduced.

Abstract: A method utilizing optical path difference in two-phase flow for analytical calculation of particle size gradation and solid content comprises: changing a width of measurement area of a laser particle size analyzer, and collecting extinction values at two different optical path lengths and a scattered light intensity signal on each detector during monitoring; utilizing the scattered light intensity signal with a long optical path to subtract the scattered light intensity signal with a short optical path on each detector to obtain a set of new scattered light intensity signals with background subtracted; processing particle size distribution inversion calculations for the set of scattered light intensity signals with background subtracted to obtain gradation data of solid particles; processing subtraction of the logarithm of the extinction value of the short optical path from the logarithm of the extinction value of the long optical path to obtain new extinction value; calculating the solid content based on th

Abstract: An approach for protecting container image and runtime data from host access may be presented. Container systems have allowed for more efficient utilization of computing resources, removing the requirement of a hypervisor, and packaging all necessary dependencies within an application. Preventing host access to container image and runtime data can be advantageous for a multitude of reasons. The approach herein may include, flattening a plurality of root file system of a one or more container images into a single layer. The approach may also include generating a container base image for each of the one or more flattened root file system. The approach may include encrypting each of the generated container base images with the flattened root file system.

Abstract: A display device and a driving method therefor are disclosed. The display device comprises: a display panel, the display panel including a plurality of pixel islands arranged in an array in a row direction and a column direction, and each pixel island including n sub-pixels arranged at intervals in the row direction, where n is an integer greater than 1; and a light splitting assembly located on the display side of the display panel, the light splitting assembly including a plurality of light splitting repeating units which extend in the column direction and are successively arranged in the row direction, each light splitting repeating unit including M light splitting structures which extend in the column direction and are successively arranged in the row direction, each light splitting repeating unit correspondingly covering K columns of pixel islands, M and K being not equal.

Abstract: The present disclosure relates to methods, compositions, and kits for treating target nucleic acids, including methods and compositions for fragmenting and tagging nucleic acid (e.g., DNA) using transposome complexes bound to a solid support.

Abstract: A winding single-sided region starting section of a first current collector, a surface facing the center of an electrode assembly is provided with a first protective layer and a surface facing away from the center of the electrode assembly is provided with a first active material layer; and for a winding single-sided region ending section of a second current collector, a surface facing away from the center of the electrode assembly is provided with a second protective layer, and a surface facing the center of the electrode assembly is provided with a second active material layer. A ratio of a unit area weight of the first protective layer to a unit area weight of the first active material layer is (0.03-0.75):1, and a ratio of a unit area weight of the second protective layer to a unit area weight of the second active material layer is (0.03-0.75):1.

Abstract: Provided are AI chip, electronic device and convolution operation method. AI chip includes: N convolution cores and storage control system. Storage control system is electrically connected to N convolution cores. Storage control system reads input image data from memory, distributes input image data to each convolution core, reads each weight block from memory, splits each weight block into N pieces of weight data, and distribute N pieces of weight data to N convolution cores, each convolution core corresponds to a piece of weight data, and each weight block is part of complete weight; each convolution core performs convolution operation on received weight data and input image data. Convolution operation results of each convolution core for the same weight block are added to obtain convolution operation result of each weight block, and convolution operation results of each weight block are added to obtain final convolution operation result.