Abstract: A lithium secondary battery, a preparation method therefor, and an electrical apparatus are provided. The lithium secondary battery includes an electrolyte solution comprising a first solvent, a first additive, and a second additive, wherein the first solvent comprises a carboxylic ester compound. A reduction potential of the carboxylic ester compound relative to Li+/Li is less than or equal to 1.4 V, a reduction potential of the first additive relative to Li+/Li is greater than or equal to 1.4 V, and a reduction potential of the second additive relative to Li+/Li is greater than or equal to 1.0 V and less than 1.4 V. The electrolyte solution improves formation of a stable and compact solid electrolyte interphase (SEI) film, thereby reducing gas generation during cycling and storage and improving overall battery performance.

Abstract: A positive electrode sheet, a preparation method therefor, a battery, and an electric device are provided. The positive electrode sheet includes a positive current collector and a positive active layer disposed on at least one surface of the positive current collector. The positive active layer includes a first active layer and a second active layer, wherein the second active layer is located between the positive current collector and the first active layer. The first active layer includes a first positive active material, and the second active layer includes a second positive active material. An operating voltage interval of the first positive active material is greater than an operating voltage interval of the second positive active material, and the operating voltage interval of the second positive active material is less than or equal to 3.0 V.

Abstract: The present disclosure provides a video processing method and apparatus, a device, and a storage medium. The method includes: determining a subtitle dynamic effect corresponding to a first video, where the subtitle dynamic effect has a dynamic effect protocol file for characterizing dynamic effect feature information of the subtitle dynamic effect, and the first video includes an audio segment and a subtitle text segment having a correspondence with the audio segment; generating a subtitle material segment for presenting the subtitle text segment with the subtitle dynamic effect according to the dynamic effect protocol file and the subtitle text segment; and generating a second video including video content of the first video that presents a subtitle text with the subtitle dynamic effect based on the subtitle material segment and the audio segment.

Abstract: A content display method, a readable medium, and an electronic device are provided. The content display method includes: displaying a content display interface, where the content display interface displays first content; determining a target display style of second content associated with the first content, where the target display style of the second content is determined at least based on attribute information of historical displayed second content; and displaying the second content according to the target display style.

Abstract: A negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer arranged on at least one side of the negative electrode current collector and comprising at least one negative electrode active material layer containing a negative electrode active material. One of the at least one negative electrode active material layer comprises first and second areas. In the thickness direction of the negative electrode sheet perpendicular to a first direction, the first area at least covers two ends of the negative electrode current collector in the first direction. The second and first areas are continuously arranged in the first direction. The second area is sandwiched in the first area and covers part of the negative electrode current collector in the thickness direction. The negative electrode active material has a greater compaction density in the first area than in the second area.

Abstract: A composite material can include a gel and at least one nanostructure disposed within the gel. A method for healing a soft tissue defect can include applying a composite material to a soft tissue defect, wherein the composite material includes a gel and a nanostructure disposed within the gel. A method for manufacturing a composite material for use in healing soft tissue defects can include providing a gel and disposing nanofibers within the gel.

Abstract: A container conveying system including a controller, a first robot, and/or a second robot. A first container pickup mechanism is provided on the first robot. A second container pickup mechanism is provided on the second robot. The controller is configured to, in response to a container conveying request, send a first conveying instruction to the first robot if it is determined a target container to be conveyed based on the container conveying request has a size within a first size range; or send a second conveying instruction to the second robot if it is determined the target has a size within a second size range. In warehousing operation scenarios, by jointly using the two robots for operation, containers with various container sizes can be picked up and placed, thus improving utilization rate of a container storage space.

Abstract: A device for reverse separation and disassembly of jelly rolls, including: a lifting mechanism, a limiting mechanism, a primary cutting mechanism and an unwinding mechanism. The lifting mechanism is configured to lift a jelly roll. The primary cutting mechanism is configured to cut a surface separator layer. The unwinding mechanism is configured to grip and transfer the jelly roll to a separator stripping mechanism. The unwinding mechanism is provided with a blowing brush connected to an air source via a pipeline. A negative electrode collecting mechanism is arranged on a frame between the limiting mechanism and the separator stripping mechanism. A separator separation mechanism, a secondary cutting mechanism and a positive electrode collecting mechanism are sequentially arranged between the separator stripping mechanism and a film-drawing mechanism.

Abstract: Embodiments of the present disclosure provide a user identification method and a computing device. First user information of a target user is acquired; at least one search engine is invoked based on the first user information to perform a query, obtaining at least one target URL corresponding to the first user information; the at least one target URL is accessed, and webpage content in at least one webpage corresponding to the at least one target URL is extracted; based on the webpage content corresponding to the target user, it is determined whether the target user is a predetermined user type. The technical solutions provided by the embodiments of the present disclosure improve the efficiency of identifying target users.

Abstract: A throwing object counting device includes a panel, at least one sensing module, and a counting module. The panel defines at least one receiving hole for a throwing object to pass through. The at least one sensing module is mounted in or close to the at least one receiving hole. The counting module is electrically connected to the sensing module.

Abstract: Embodiments of the present disclosure provide a data transmission method for a cloud application, a computing device and a computer storage medium. The data transmission method for the cloud application includes that: first network condition data of a cloud application client is obtained, where the first network condition data is obtained by monitoring data transmission condition between the cloud application client and a cloud application server; when the first network condition data meets a preset condition, a reference network condition is obtained; a data transmission way for the cloud application client is determined based on the reference network condition; and data transmission between the cloud application client and the cloud application server is performed according to the data transmission way. According to the technical solution provided by the embodiments of the present disclosure, the accuracy of determining the data transmission way is improved.

Abstract: This invention discloses an optimization method for flowback nozzles in deep coal and rock gas formations, considering the influence of multiple factors, belonging to the field of coal and rock gas extraction technology. Addressing the challenge of flowback fluid velocity control in deep coal and rock gas development, this method establishes models for matrix and fracture seepage and two-phase flow within the wellbore. It comprehensively considers the migration of pulverized coal and proppant, as well as the influence of coal seam cleavage fractures, to optimize wellhead nozzle size, reduce the probability of pulverized coal clogging fractures, and improve fracture conductivity. Compared to traditional methods, this invention has significant advantages in improving fracturing efficiency and high-efficiency coal and rock gas extraction, providing an innovative solution for the scientific research and engineering applications of deep coal and rock gas.

Abstract: A negative electrode plate in the secondary battery includes a negative electrode current collector and a negative electrode film layer. The negative electrode film layer is disposed on at least one side of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material. The negative electrode active material includes first graphite. A Dv50 particle size of the first graphite is 2.2 ?m to 7.7 ?m. An electrolyte solution includes an organic solvent and an organic additive. The organic solvent includes a first solvent. The first solvent includes cyclic carbonate. Based on a total mass of the organic solvent, a mass content of the first solvent is 25% to 40%. The organic additive includes a first additive and a second additive. The first additive includes vinylene carbonate. The second additive includes an ethylene carbonate derivative.

Abstract: The present disclosure relates to an interaction method, a non-transitory computer-readable storage medium, and an electronic device, the method includes: displaying a target delivery content in response to receiving, during a display process of a text, an image generation instruction associated with delivery content; acquiring a target text corresponding to the image generation instruction from the text in response to determining that display of the target delivery content is completed; generating target feature information of a target object corresponding to the target text according to the target text; and generating a generated image corresponding to the target object according to the target feature information and displaying the generated image.

Abstract: The presently disclosed composition and methods are provided for a hydrogel or nanofiber-hydrogel composite integrated with a surgical scaffold or mesh. A surgical scaffold device comprised of laminar composite is disclosed for the purpose of reducing foreign body response, managing tissue-materials interface, and improving the integration of the surgical mesh with the surrounding tissue of a subject.

Abstract: Systems and methods herein describe a network system for generating inferred accurate locations. The systems and methods receive a transportation trip request from a first computing device that includes a target address, access a first plurality of historical location data and a second plurality of historical data, generate clustered location data using the first plurality of historical location data and the second plurality of historical location data, select a subset of cluster locations from the clustered location data, determine an inferred accurate location address, and modify the transportation trip request by associating the inferred accurate location address with the target address.

Abstract: The present disclosure relates to the field of livestock farming and specifically pertains to an alkaline mineral composition, a method of preparation, and use thereof. The alkaline mineral composition includes a metal ion complex, a mineral ion complex, an alkaline soluble rare earth salt, and a composite gel as active ingredients, formulated in specific mass ratios. It can be used as a feed additive, added to drinking water, or directly fed to animals. The components of the alkaline mineral composition in the present disclosure synergistically enhance efficacy, collectively inhibiting replication and transmission of viruses including coronaviruses, circoviruses, rotaviruses, arteriviruses, and herpesviruses in livestock. It enhances the body's toxin-filtering capacity, strengthens host cell antiviral and immune capabilities, and helps the host resist the damage caused by viruses to the body, effectively improving the viral infection in livestock.

Abstract: A current set of radar data may be combined with previous sets of radar data to create a combined set of radar data. Each of these sets of radar data and the combined set of radar data may include various data points and each of these data points may be associated with certain specific features or classifications. The set of combined data may then be pre-processed to identify distances to associate with certain data points, locations to associate with those data points, and velocities associated with the data points such that each of the respective data points may be mapped and tagged with data that identifies identify positions, velocities, and other physical details of the respective data points. This pre-processed data may then be processed by a machine learning process to identify kinematic information that may then be provided to a tracking system of an AV.

Abstract: A secondary battery and an electric device. The secondary battery includes a negative electrode sheet and an electrolyte, where the negative electrode sheet includes a negative electrode current collector and a negative electrode active layer located on at least one surface of the negative electrode current collector, the negative electrode active layer includes graphite, and the areal density of the negative electrode active layer is 0.09 mg/mm2 to 0.16 mg/mm2; the lithium ion conductivity of the electrolyte at 25° C. is 10 mS/cm to 20 mS/cm; and the electrolyte includes a first solvent, the first solvent having a general structural formula of R1-COO—R2, where R1 and R2 are each independently selected from any one of C1-C5 alkyl and C1-C5 haloalkyl.