Abstract: Provided is a multi-tow carbon fiber spreading and pre-impregnation system, which is used to solve the technical problems of large thickness, high porosity and the like of a prepreg tape product caused by low spread ratio and insufficient pre-impregnation in the production process of existing thermoplastic prepreg tapes. The system includes a filament release module, a filament doubling module, an airflow spreading module, a process deviation correction module, a traction module, a slurry impregnation module, an infrared melting module, a hot-pressing shaping module, a floating roller module, a cutting module, a leftover collecting module, a winding deviation correction module and a winding module which are sequentially arranged along a feeding direction. The filament release module includes at least two filament release assemblies, and carbon fibers are placed on the filament release assemblies.

Abstract: A data transmission method and apparatus, and a communication device and a readable storage medium are provided, and belong to the field of communication technology. The data transmission method includes: a first functional entity obtains an IP flow, and maps the IP flow to a corresponding AS bearer based on Quality of Service (Qos) characteristics of the IP flow, to transmit the IP flow to a second functional entity. The first functional entity is a user plane functional entity in layer 3 of an Access Stratum (AS) of the sending end; the second functional entity is a functional entity in layer 2 of the AS; the AS bearer is a data packet bearer characterized by QoS.

Abstract: The invention relates to an optical component comprising a metasurface, wherein the metasurface comprises a repeating pattern of unit cells, wherein each unit cell comprises at least two different scattering structures, wherein first scattering structures are at least partially contacting a first substance having a first refractive index and second scattering structures are at least partially contacting a second substance, which differs from the first substance, wherein the second substance provides a refractive index which is variable depending on an electrical control signal, wherein a plurality of pairs of first scattering structures contacting the first substance and second scattering structures contacting the second substance are arranged row-wise on electrodes, wherein electrodes supporting neighboring rows of pairs of first and second scattering structures are electrically separated from each other, and a LIDAR system comprising such an optical component.

Abstract: A method for video processing is proposed. The method comprises: constructing a merge candidate list for a target block of a video in a template matching (TM) merge mode: reordering the merge candidate list for the target block; and performing a conversion between the target block and a bitstream of the video based on the reordered merge candidate list. Compared with the conventional solution, the proposed method can advantageously improve the coding effectiveness and coding efficiency.

Abstract: In an approach, a processor obtains a configuration file of a distributed file system federation, the configuration file comprising a list of a plurality of subclusters within the distributed file system federation and migration trigger factors for the plurality of subclusters. A processor determines a list of one or more source subclusters and a list of to-be-migrated directories in the one or more source subclusters based on a scanning result of the plurality of subclusters and the migration trigger factors in the configuration file. A processor generates a migration plan to migrate the to-be-migrated directories from the one or more source subclusters to one or more target subclusters in the distributed file system federation.

Abstract: An optical component comprising a planar metasurface arranged on a surface of a first substrate and a top layer arranged in a height direction Z above the metasurface, wherein the metasurface comprises a plurality of scattering structures, wherein a dielectric material is deposited on a subset of the plurality of scattering structures, wherein an active media is sandwiched between the metasurface and the top layer, wherein an incident electromagnetic radiation is transmitted or reflected by the optical component, wherein a phase profile modulation is induced on the incident electromagnetic radiation during the reflection or transmission.

Abstract: This application relates to a separator, including a substrate and a coating layer provided on at least one surface of the substrate. The coating layer includes organic particles and inorganic particles, the organic particles include first-type organic particles, the inorganic particles form an inorganic particle layer, and the first-type organic particles are embedded into the inorganic particle layer and form bulges on a surface of the inorganic particle layer. A number-based median particle size of the first-type organic particles is ?12 ?m, and a ratio of an average height of the bulges to a thickness of the inorganic particle layer is ?4. This application further relates to a separator preparation method, a secondary battery containing such separator, and a related battery module, battery pack, and apparatus.

Abstract: The present invention relates to a preparation method for a sarcosinate including: step 1, reacting a solution of glyoxylic acid or a glyoxylate with an amine solution to prepare a Schiff base solution; step 2, subjecting the prepared Schiff base solution to a hydrogenation reaction under the condition of a catalyst; and step 3, adjusting a pH value of a solution obtained after the hydrogenation reaction to be alkaline to obtain the sarcosinate. Wherein the pH value of the solution obtained after the hydrogenation reaction in the step 3 is adjusted to be acidic to obtain sarcosine. Wherein a sarcosinate solution obtained in the step 3 is reacted with cyanamide to prepare a sarcosine derivative.

Abstract: A light-adjusting structure, a method for manufacturing the light-adjusting structure, and a light-adjusting module are provided, which belong to the field of display technology, the light-adjusting structure includes: a first flexible substrate and a second flexible substrate oppositely arranged; a first transparent electrode and a second transparent electrode which are located between the first flexible substrate and the second flexible substrate; a first alignment layer located on a side of the first flexible substrate facing towards the second flexible substrate; a second alignment layer located on a side of the second flexible substrate facing towards the first flexible substrate; and a spacer and a dye liquid crystal layer which are located between the first alignment layer and the second alignment layer. The solutions of the present disclosure can meet light-adjusting requirements of vehicle windows.

Abstract: A reaction chamber lining including an annular side wall and a flange arranged on an upper portion of the side wall. An end face of the flange extends from the side wall in a radial direction, an outer edge of the flange extends in the radial direction to form fixing flanging parts, and a hole is in each of the fixing flanging parts. The side wall includes a rectangular slot, and a position of the rectangular slot corresponds to a position of a robotic arm access hole in a side wall of a reaction chamber. The side wall includes through holes and honeycomb-shaped apertures. A face joined to the bottom of the side wall includes a disc extending inwards in the radial direction, an extending end of the disc is fitted with an outer edge of an electrode assembly. A plurality of circles of slotted holes are in the disc.

Abstract: This application provides a composite positive electrode material and a preparation method thereof, a secondary battery, a battery group including the secondary battery, and an electric apparatus including the secondary battery. The composite positive electrode material includes a lithium-rich metal oxide and a positive electrode active material covering at least a partial surface of the lithium-rich metal oxide, where the positive electrode active material is formed through in-situ reaction between a positive electrode active material precursor and a free lithium compound on the surface of the lithium-rich metal oxide.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: applying, during a conversion between a target block of a video and a bitstream of the target block, a processing procedure to at least one motion candidate in a motion candidate list; reordering the motion candidate list by applying a first reordering process to the motion candidate list after the processing procedure; and performing the conversion based on the reordered motion candidate list.

Abstract: Techniques are provided for determining an identity of a scanned person in computed tomography (CT) scanning is provided. The techniques include the use of a system for assisting in determining an identity of a scanned person in CT scanning and a CT scanner.

Abstract: Methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to operating an access network with multiple domains. In an example embodiment, a method for wireless communication can include receiving, at a physical resource group control function, a first message on a service-based interface provided by the physical resource group control function. The method may also include, in response to receiving the first message, transmitting, by the physical resource group control function, a second message on the service-based interface provided by the physical resource group control function.

Abstract: Methods, systems, and computer-readable storage media for receiving a key and a value of a data object, determining a first identifier and a second identifier based on the key, defining an entry object including the first identifier, the second identifier, and the value, and storing the entry object in a hashmap by: determining a first value of a first index based on the first identifier, determining a second value of a second index to provide a first value and second value pair that defines a first location within the hashmap storing the first identifier, determining a third value of a third index for the first value and second value pair, where the first value, the second value, and the third value define a second location within the hashmap storing the second identifier, and storing the value at a third location within the hashmap.

Abstract: Implementations of the present disclosure provide a solution for reordering merge candidates. In this solution, during a conversion between a current video block of a video and a bitstream of the video, a template matching cost associated with each of a plurality of candidates of motion information for the current video block is determined. The template matching cost is determined based on a first difference between a set of neighboring samples of the current video block and a set of reference samples corresponding to the set of neighboring samples, and a second difference between a set of reconstructed samples neighboring to the set of neighboring samples and the set of reference samples. The set of reference samples is determined based on motion information indicated by a respective candidate. Then, the plurality of candidates of motion information is reordered based on the template matching cost.

Abstract: The invention relates to a modified polyisocyanate and use thereof, especially as a crosslinking component in a water-soluble or water-dispersible coating composition. The modified polyisocyanate comprises iminooxadiazinedione structure and isocyanurate structure, wherein the weight ratio of the iminooxadiazinedione structure to the isocyanurate structure is not less than 1: 5; and relative to the total weight of the modified polyisocyanate, the total amount of molecules with a number average molecular weight greater than 2700 g/mol in the modified polyisocyanate is 4.1% by weight to 22% by weight; and the modified polyisocyanate is obtainable by the reaction of: an aminosulfonic acid, a polyisocyanate; a tertiary amine; and optionally a polyether alcohol containing ethylene oxide groups.

Abstract: A touch sensor includes a substrate, sensing channels, and a protective layer. The sensing channels are disposed at intervals on a surface of the substrate, and any one of the sensing channels includes an electrode portion and a silver trace portion electrically connected to the electrode portion. The protective layer is disposed on the substrate and covers and encapsulates the sensing channels. After the touch sensor is subjected to a salt spray test with sodium chloride solution of a mass percentage concentration of 5% at a rate of 1 mL/H to 2 mL/H under an ambient temperature of 35° C. for 48 hours, a resistance change rate of any one of the sensing channels is less than or equal to 10%, and a resistance distribution difference between the sensing channels is less than or equal to 10%.

Abstract: Devices, systems, and methods for lossless coding for visual media coding are described. An exemplary method for video processing includes determining, based on a current video block of a video satisfying a dimension constraint, that coding modes are enabled for representing the current video block in a bitstream representation, where the dimension constraint states that a same set of allowed dimensions for the current video block is disabled for the coding modes, and where, for an encoding operation, the coding modes represent the current video block in the bitstream representation without using a transform operation, or where, for a decoding operation, the coding modes are used to obtain the current video block without using an inverse transform operation; and performing a conversion between the current video block and the bitstream representation of the video based on one of the coding modes.

Abstract: An artificial intelligence (AI) task control method, a terminal, a base station, and a storage medium are provided. The base station includes a first functional module configured to perform at least one of the following functions by interacting with the terminal: AI task control, AI task execution, network decision generation, and data management for the terminal.