Abstract: The present disclosure relates to the technical field of wearable devices. Provided are a hearing aid control method and apparatus, a hearing aid device, and a storage medium. The hearing aid control method includes: displaying a hearing detection image in a viewing window area of the pair of augmented reality (AR) glasses, playing hearing test audio to acquire a feedback signal from a user wearing the hearing aid device based on the hearing test audio, and determining a hearing assessment result for the user based on the feedback signal; in response to determining, based on the hearing assessment result, that a display operation is required to be performed by the hearing aid device, collecting speech information; and converting the speech information into text information upon the collection of the speech information, and displaying the text information in the viewing window area of the pair of AR glasses.

Abstract: The present disclosure discloses an apparatus and method for distributedly training a model, an electronic device, and a computer readable storage medium. The apparatus may include: a distributed reader, a distributed trainer and a distributed parameter server that are mutually independent. A reader in the distributed reader is configured to acquire a training sample, and load the acquired training sample to a corresponding trainer in the distributed trainer; the trainer in the distributed trainer is configured to perform model training based on the loaded training sample to obtain gradient information; and a parameter server in the distributed parameter server is configured to update a parameter of an initial model based on the gradient information of the distributed trainer to obtain a trained target model.

Abstract: An optical detection device includes a detection workspace, a first image acquisition device, a second image acquisition device, a detection light source, and a conveyor. The detection workspace is configured to hold a target workpiece under detection. The first image acquisition device is configured to acquire an image of the target workpiece along a first direction. The second image acquisition device is configured to acquire an image of the target workpiece along a second direction different from the first direction. The detection light source is configured to provide detection light for the first image acquisition device and the second image acquisition device. The conveyor is configured to convey the target workpiece into or out of the detection workspace. An optical axis of at least a part of the detection light provided by the detection light source is coaxial with an optical axis of the first image acquisition device.

Abstract: A water-soluble carbon chain substance for regulating transmembrane transport and fluidity of cell membranes, and the preparation and use thereof. The water-soluble carbon chain substance comprises a carbon chain which originally has a certain water solubility, and the structure thereof comprises at least one or more hydrophobic carbon chain parts and one or more hydrophilic groups or residues; and also comprises a high-hydrophilicity complex formed by coupling a hydrophobic carbon chain part to a water-soluble molecule; the water-soluble carbon chain can be used for preventing and treating infection including viruses, bacteria and fungi, anti-ageing, and preventing and reducing the occurrence of neurodegenerative diseases such as Alzheimer's disease; by reducing the non-specific phagocytosis of the nano-drug by cells, the effect of the nano-drug on target lesions is improved.

Abstract: A control method for a phase-change energy storage type cold and heat combined supply system with a multi-heat source heat pump includes the following steps of: recording the temperature of a solar panel using solar energy as a heat source at a certain moment as tt, the temperature of a water source to be taken as ts, the temperature of a geothermal source as td, the temperature of an air source as tk; calculating the heat storage efficiency ?s, ?k and ?d of the phase change material under the action of solar energy-water energy, solar energy-air source and solar energy-ground source; calculating the hourly heat storage capacity of the heat pump Qrb, comparing it with the total hourly heat consumption of the system Qtol, and if Qrb<1.45Qtol, regulating the use of various heat sources through the heat storage integrated regulation system until Qrb<1.45Qtol.

Abstract: The invention provides an antibody that can bind IGF-1R. The antibody is composed of light chain and heavy chain. The light chain and heavy chain variable regions are one of the combinations of SEQ ID NO:2 and SEQ ID NO:3, SEQ ID NO:4 and SEQ ID NO:5, SEQ ID NO:6 and SEQ ID NO:7, SEQ ID NO:8 and SEQ ID NO:9, SEQ ID NO:10 and SEQ ID NO:11, SEQ ID NO:12 and SEQ ID No 13, SEQ ID NO:14 and SEQ ID NO:15. The invention also provides nucleic acid molecules encoding the antibody binding IGF-1R, vectors containing the nucleic acid, cells transformed by the vectors, and uses of these nucleic acids, vectors, and cells.

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.