Abstract: The disclosed configurations provide a method (and/or a computer-readable medium or system) for determining, from a table schema describing keys of a data table, one or more clustering keys that can be used to cluster data files of a data table. The method includes generating features for the data table, generating tokens from the features, generating a prediction for each token by applying to the token a machine-learned transformer model trained to predict a likelihood that the key associated with the token is a clustering key for the data table, determining clustering keys based on the predictions, and clustering data records of the data table into data files based on key-values for the clustering keys.

Abstract: A range-extending hybrid transmission system includes a first rotary power source, a generator-motor, a differential, and driving wheels. The system includes a first shaft extending from the rotary power source and a first clutch disposed on the first shaft. A second clutch is spaced apart from the first clutch. A generator-motor is connected to the first shaft or to a second shaft that is mechanically connected to the first shaft and/or the second clutch. A third shaft connected to the differential is mechanically linked to the first shaft and/or the second clutch. This configuration enables the decoupling of the engine, generator-motor, and drive wheels, allowing all power sources to contribute concurrently or independently.

Abstract: A sending method, a receiving method, an apparatus, a system, a device, and a storage medium. The receiving method includes: obtaining an encoded data block, where the encoded data block includes a plurality of data blocks, a plurality of first parity bits, and an FEC parity bit, the plurality of first parity bits are in one-to-one correspondence with the plurality of data blocks, and the FEC parity bit corresponds to the plurality of data blocks; and then checking the corresponding data blocks based on the plurality of first parity bits and/or the FEC parity bit, to obtain a decoding result of the encoded data block.

Abstract: This disclosure provides a retransmission method and a communication apparatus, applicable to a wireless or wired communication system. One example method includes: After receiving a signal from a second device, a first device performs first decoding on the signal, then determines whether an error occurs in the signal and a first quantity, and determines, based on a relationship between the first quantity and a first threshold, whether to request the second device to send a first data block, where the first quantity is a quantity of errors that occur in the signal received from the second device, the signal is used to transmit the first data block, and the first threshold is a maximum quantity of errors that can be corrected when the first device decodes the first data block.

Abstract: A method for controlling a vehicle, including: simulating and deducing, based on current state information between a target vehicle and a traffic participant, an interaction process between the target vehicle and the traffic participant to obtain an initial part of a cooperative game tree; updating, in response to there being a target leaf node that is capable of being expanded to obtain a target child node in the initial part, respective nodes on a deduction path from the root node to the target child node based on a path parameter of an updated predicted trajectory, to obtain a complete cooperative game tree composed of the initial part and the target child node; and determining a first control instruction of the target vehicle using the complete cooperative game tree, to control the target vehicle using the first control instruction.

Abstract: A method for processing a wafer is provided. The method includes forming a photoresist layer over a passivation layer on the wafer; etching an opening in the passivation layer; after etching the opening in the passivation layer, moving the wafer into a first wafer carrier, wherein the first wafer carrier has a first box and a first cover pivotally connected with the first box, and one of the first box and the first cover has an opening; and performing a first gas removal process to remove a gas released from the wafer away from the first wafer carrier through the opening.

Abstract: A welding detection apparatus is used for detecting a weld seam between a case and a top cover of a battery, and includes: an image acquisition component configured to shoot the weld seam, the image acquisition component being located obliquely above an outer side of the weld seam and forming an included angle with a height direction of the battery; and a controller configured to obtain a protruding height of the weld seam relative to a reference surface area on an outer side wall of the case according to a first distance between the image acquisition component and the outer side wall of the case, a second distance between the image acquisition component and the weld seam, and the included angle, and compare the protruding height with a preset height threshold to determine whether the protruding height of the weld seam is qualified.

Abstract: An electrochemical cell includes a negative electrode including a metal, metal alloy, or an electrode active material that reversibly intercalates and de-intercalates cations; a positive electrode including (i) an electrode active material that reversibly intercalates and de-intercalates cations or anions, or (ii) an inert host that reversibly catalyzes an external reactant; a separator between the negative electrode and the positive electrode; and an electrolyte including one or more alcohol-based solvents, with one or more salts. The solvents may include methanol, ethanol, isopropanol, triglycerol, 2,2,2-trifluoroethanol, an organic small molecule or macromolecule that contain at least one hydroxyl (OH) group, or a combination thereof. The electrochemical cell may include a mixture of multiple alcohol-based solvents or a mixture of the one or more alcohol-based solvents with water, mixed at select ratios. The electrochemical cell may include one or more additives having a concentration range between 0.

Abstract: The battery appearance detection device includes a bracket, a first photographing component, a second photographing component, and an identification device. The first photographing component is mounted on the bracket and is configured to capture an appearance photo of a first detected member. The second photographing component is mounted on the bracket. The second photographing component is configured to capture an appearance photo of a second detected member. The first detected member and the second detected member have different shapes. The identification device is signal-connected to the first photographing component and the second photographing component. The identification device is configured to: identify an appearance defect of the first detected member based on the photo captured by the first photographing component, and identify an appearance defect of the second detected member based on the photo captured by the second photographing component.

Abstract: Embodiments of the present disclosure provide a method and apparatus for content rendering, a device, a medium and a product. The method includes: obtaining a point cloud group to be rendered; for respective Gaussian spheres, determining a projection matrix of the Gaussian spheres in a binocular camera coordinate system corresponding to a virtual reality device; for respective pixel points in the projection area, determining a target area in the screen space corresponding to the pixel points; determining attenuation coefficients of the Gaussian spheres in the target area based on a rendering resolution corresponding to the target area, a rendering resolution corresponding to the gaze area and the projection matrix; determining rendering parameters of the pixel points according to the attenuation coefficients and color information corresponding to the Gaussian spheres, and performing a rendering operation on the pixel points based on the rendering parameters.

Abstract: To improve the performance of certain multivalent metal electrodes, the electrodes can be treated prior to use in an electrochemical cell by applying a solution comprising an acid to a surface of a multivalent metal electrode, then removing excess solution comprising the acid and drying the surface of the multivalent metal electrode. The resulting electrode has an outer interphase layer comprised of a hydrated hydroxychloride comprising the multivalent metal, where the interphase layer has a thickness of less than 5 ?m.

Abstract: An electrochemical cell (such as a battery) that provides, inter alia, improved cycling efficiencies, by utilizing an electrolyte and a plurality of electrodes (including at least one metal electrode) where the electrolyte includes one or more solvents, one or more salts, and one or more additives, and at least one of the additives is a heterocyclic compound.

Abstract: A processor-implemented method includes obtaining a first motion matrix corresponding to an extended reality (XR) system and a second motion matrix based on a conversion coefficient from an XR system coordinate system into a rolling shutter (RS) camera coordinate system, and projecting an RS color image of a current frame onto a global shutter (GS) color image coordinate system based on the second motion matrix and generating a GS color image of the current frame, wherein the second motion matrix is a motion matrix of a timestamp of a depth image captured by a GS camera corresponding to a timestamp of a first scanline of an RS color image captured by the GS camera.

Abstract: Disclosed are a pole piece labeling control method and device, electronic equipment, and a storage medium. The method includes: acquiring a pole piece image, including a pole piece mark hole image, of a target pole piece; determining a defect detection result according to the pole piece image; determining a first distance according to the pole piece mark hole image; determining a second distance according to the first distance; determining a labeling delay of the target pole piece according to the second distance; and controlling the labeling of the target pole piece according to the labeling delay and the defect detection result. The real-time position of the pole piece transferred on a compression roller is identified through the pole piece mark hole image, so that the accuracy of the labeling delay is improved, and the labeling position based on the labeling delay is more accurate.

Abstract: A memory device includes sets of bitlines, a column selection circuit, and a set of data lines including a first data line and a second data line. The sets of bitlines includes a first set of bitlines and a second set of bitlines. Each data line includes line segments disposed along an extension direction. The column selection circuit couples between the sets of bitlines and the set of data lines. The column selection circuit selectively couples a first bitline in the first set of bitlines and a first bitline in the second set of bitlines to a first line segment and second line segment of the first data line, respectively, and to selectively couple a second bitline in the first set of bitlines and a second bitline in the second set of bitlines to a first line segment of the second data line.

Abstract: The present disclosure provides a panoramic image generation method and apparatus, an electronic device, and a storage medium. A panoramic image generation method includes: generating a first panoramic image with a first resolution based on image description text; and redrawing and zooming in the first panoramic image, and adding an image detail into the first panoramic image, to obtain a second panoramic image with a second resolution. The first resolution is smaller than the second resolution.

Abstract: The present application provides a welding defect detection method and apparatus, a storage medium, and a program product, and relates to the field of batteries. A weld region and non-weld regions are obtained by using a first image having structural information, a plurality of detection regions of a weld are obtained according to the weld region and the non-weld regions, and it is determined that the weld has a defect when preset attribute information of at least one detection region in the plurality of detection regions of the weld satisfies a preset condition.

Abstract: A lithium-ion battery and an apparatus containing the same are provided. In some embodiments, the lithium-ion battery includes: a positive electrode plate including a positive electrode current collector and a positive electrode active substance layer; and an electrolyte including a non-aqueous organic solvent. A low-swelling adhesive layer and an oily adhesive layer are sequentially arranged between the positive electrode current collector and the positive electrode active substance layer; the low-swelling adhesive layer includes a low-swelling binder, and the oily adhesive layer includes a first binder, where a solubility parameter SP1 of the low-swelling binder is less than a solubility parameter SP2 of the first binder.

Abstract: This application provides an electrode assembly and a battery cell. The battery cell includes an electrode assembly, a housing, and a first electrode terminal. The housing includes an accommodation cavity. The electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The separator separates the first electrode plate from the second electrode plate. The first electrode plate includes a first current collector, a first active material layer, and an insulation layer. The first current collector includes a first body portion and a first tab extending from the first body portion.

Abstract: This application discloses a video clip positioning method performed by a computer device. In this application, clip features of video clips in a video are determined according to the unit features of video units within the video clips, so that the acquired clip features integrate the features of the video units and the time sequence correlation between the video units; and then the clip features of the video clips and a text feature of a target text are fused. The features of video clip dimensions and the time sequence correlation between the video clips are fully used in the feature fusion process, so that more accurate attention weights can be acquired based on the fused features. The attention weights are used to represent matching degrees between the video clips and the target text, and then a target video clip matching the target text can be positioned more accurately.