Abstract: The present disclosure provides AR glasses, an enhancing method and device therefor, as well as a readable storage medium. The audio enhancing method for AR glasses worn by a user in a surrounding environment, includes: detecting a distribution of sound sources in the surrounding environment a microphone array; marking a position of each sound source in the distribution of sound sources on lenses of the AR glasses; locking onto one of the distribution of sound sources as a target sound source based on an eye gazing direction of the user, extracting and enhancing an audio component associated with a voiceprint characteristic of the target sound source from an audio signal received by the microphone array, configured to obtain an enhanced audio signal; and outputting the enhanced audio signal to the user through an in-ear headphone.

Abstract: The present invention provides a corona-resistant mica/aramid fiber composite material for a new energy vehicle and a preparation method thereof. Preparation raw materials comprise a modified aramid fiber material, an adhesive and a modified mica material; the modified mica material comprises mica powder, a hydrochloric acid solution, ethanol, a silane coupling agent, methyl methacrylate, an initiator and methylbenzene; the mica powder is composed of first mica powder, second mica powder and third mica powder, the particle size of the first mica powder is 90-110 ?m, the particle size of the second mica powder is 130-150 ?m, and the particle size of the third mica powder is 200-230 ?m; and the weight ratio of the first mica powder to the second mica powder to the third mica powder is 1:(3-5):(3-5).

Abstract: A network access guide method for a terminal to access a first network, an apparatus, and an electronic device are provided. The network access guide method includes: sending assistance information to an access network side device of a second network by a core network functional entity of the second network, where the assistance information is used to instruct the terminal access the first network.

Abstract: The present application discloses a variety of amplification methods and reagent kits.

Abstract: An efficient path planning method for a robot used for collecting marine debris includes: traversing all target positions of the marine debris by depth-first search (DFS) to generate a target position sequence; and calculating a target position with a lowest total cost by a path planning algorithm, and setting the target position with the lowest total cost as a next target position to be traversed for the robot. The efficient path planning method can plan an optimal or near-optimal cleaning path for the robot based on real-time environmental information, reducing unnecessary path repetition and ineffective motion, thereby significantly improving the cleaning efficiency.

Abstract: A computer-implemented process for modifying a training dataset includes the following operations. The training dataset is benchmarked using a State Of The Art (SOTA) neural network to determine a benchmark for the training dataset. The training set is divided into a plurality of slices. A sequence of a plurality of atomic operations are selected using a selection strategy generator operating on one of the plurality of slices. The sequence of the plurality of atomic operations is applied to modify the one of the plurality of slices to generate a revised one of the plurality of slices. Reverse reinforcement learning is performed on the revised one of the plurality of slices using the benchmark and the SOTA neural network. The training dataset is modified by replacing the one of the plurality of slices with the revised one of the plurality of slices to generate a modified training dataset.

Abstract: A device and a method for measuring a rotation angle of a spherical hinge joint with a football-shaped structure are provided. The measuring device includes a driving electrode, and an induction electrode system. During measurement, the driving electrode and induction electrode system are both installed in a measured spherical hinge joint. The spherical hinge joint includes a ball socket base, and a ball head installed in the ball socket base. The driving electrode is fixed to the ball head. The induction electrode system includes multiple regular hexagonal spherical electrode plates, and one or more regular pentagonal spherical electrode plates. Five regular hexagonal spherical electrode plates are all arranged around any one regular pentagonal spherical electrode plate, respective regular hexagonal spherical electrode plates and respective regular pentagonal spherical electrode plate are assembled to form a spherical shell structure.

Abstract: A method for preparing a modified cobalt-free lithium-rich manganese-based precursor is provided. The prepared modified cobalt-free lithium-rich manganese-based precursor can reduce the large amount of manganese series oxides adhering among and to surfaces of primary particles, causing the primary particles to be uniform and compact. Meanwhile, a specific surface area of the precursor reaches 40-80 m2/g, and a tap density is greater than 1.3 g/cm3. The precursor prepared by using a method of letting an oxidant solution and a reducing agent solution to flow in parallel into a reaction system in the present disclosure has the characteristics of being low in cost, environment-friendly, and pollution-free. To sum up, the cobalt-free lithium-rich manganese-based precursor prepared using the method can not only guarantee excellent indicators and morphology, but also reduce a manufacturing cost, which is in line with the concept of green and sustainable development.

Abstract: A display control method and apparatus (400), a head-mounted display device (500, 1000), and a medium. The method comprises: using a first virtual screen (1) among a plurality of virtual screens (1, 2, 3, 4) as a main display screen of a head-mounted display device (500, 1000), and determining whether display content of second virtual screens (2, 3, 4) among the plurality of virtual screens (1, 2, 3, 4) is updated (S2100), part of the plurality of virtual screens (1, 2, 3, 4) being within the field of view of a wearer of the head-mounted display device (500, 1000); and outputting first prompt information on the first virtual screen (1) when the display content of any of the second virtual screens (2, 3, 4) is updated (S2200).

Abstract: A network access method includes receiving a registration request transmitted by a terminal; and transmitting a registration accept message to the terminal for indicating that the first network is allowed to be accessed when a first condition is met, the first condition including the following that: the terminal accesses the first network in a first access mode, a second network is in a DC or the first network is notified that the second network is in a DC, and an authentication result of the terminal is that the terminal is capable of obtaining a DC service; or that: the terminal accesses the first network in a DC dedicated registration mode, a second network is in a DC or the first network is notified that the second network is in a DC, and an authentication result of the terminal is that the terminal is capable of obtaining a DC service.

Abstract: Annotated data comprising video data and audio data is obtained from an extended reality (XR) device, wherein the annotated data is associated with a quality inspection operation. At least one annotation caption indicative of a defect is detected based on the annotated data. At least one annotation interval is determined based on the at least one annotation caption, the at least one annotation interval comprising at least one of a video interval or an audio interval. Tagged data is generated by tagging the at least one of the video interval or the audio interval based on the annotation caption. The tagged data is transmitted to a data store to facilitate presentation, by an output component of a computing device, of a representation of the tagged data.

Abstract: In some implementations, one or more computing devices may generate a first layer of a hierarchical workflow. The one or more computing devices may generate a second layer of a hierarchical workflow configured to:? receive a first output from the first layer as an indication of a first state of the first layer; provide an indication of an error associated with the first output; and? receive a second output, as an indication of a second state of the first layer, from the first layer. The second output may be revised from the first output based at least in part on the indication of the error? or the second output may be the same as the first output after correcting performance of one or more operations at the first layer.

Abstract: The present disclosure proposes a system and method for measuring particle size distribution of sediment grains. The method includes: acquiring a first sediment grain image and a second sediment grain image; processing the first sediment grain image to obtain a sediment grayscale image; obtaining a depth image based on the sediment grain images, and obtaining a depth grayscale image by processing the depth image; based on the depth grayscale image, generating a preliminary region mask; cropping the sediment grayscale image using the preliminary region mask; obtaining an image with first-stage clustering results by performing cluster analysis on the cropped sediment grayscale image; obtaining an image with second-stage clustering results by performing cluster analysis on the sediment grains with a particle size smaller than a preset threshold in the image with first-stage clustering results using a DBSCAN; obtaining the particle size distribution result based on the image with second-stage clustering results.

Abstract: A method and an apparatus for determining a transmission delay, a device, and a storage medium are provided. The method includes: obtaining first information; and determining a first delay based on the first information. The first information includes an internal processing delay of a server or a server processing resource, and the first delay includes a delay between a terminal and a gateway.

Abstract: An example operation includes one or more of receiving video content of an operation being performed, generating, via a first machine learning (ML) model and based on the video content, a description of at least one action being performed that is part of the operation, extracting, via a second ML model, spoken utterances from the video content, generating a digital document that includes a textual description of steps that are performed to perform the operation and image placeholders, based on execution of a third ML model on the description of the at least one action and the spoken utterances that are extracted, wherein the digital document is an output of the third ML model, and adding digital images to the digital document based on the image placeholders.

Abstract: This application discloses a relay communication method and apparatus, and pertains to the field of wireless communication technologies. The relay communication method performed by a first terminal includes: sending first information to a second terminal. The first information is used to indicate information related to a serving cell for the first terminal or used to indicate that mobility registration updating or radio access network-based notification area updating is performed by the second terminal.

Abstract: A food or beverage ingredient is produced from enzymatically hydrolysed cereal, by contacting a slurry of cereal bran with an enzyme composition including xylanase, alpha-amylase, beta-glucanase, cellulase and endoprotease. A beverage creamer composition may contain the food or beverage ingredient.

Abstract: An energy storage system, a control method thereof, and a power consumption system. The energy storage system includes a first energy storage sub-system, a second energy storage subsystem, and a power conversion system. The first energy storage sub-system is provided with a first battery system and a first battery management system; the second energy storage sub-system is provided with a second battery system and a second battery management system, and the second battery system includes a first battery sub-cluster and a second battery sub-cluster. The power conversion system is electrically connected to the first battery system and the first battery sub-cluster or the second battery sub-cluster, and the power conversion system is communicatively connected to the first battery management system; the first battery management system performs coordinated charge and discharge control on the first battery sub-cluster.

Abstract: The present disclosure describes a method to form a semiconductor device having an elongated contact structure. The method includes forming a source/drain (S/D) structure on a substrate. A first side of the S/D structure is in contact with a first contact structure. The method further includes forming a patterned photoresist on a second side of the S/D structure. The second side is opposite to the first side and the patterned photoresist includes an opening having a first width along a first direction and a second width along a second direction. The method further includes etching the opening in the patterned photoresist along the first direction to increase the first width of the opening and forming a second contact structure in the opening. The second contact structure extends through the substrate and is in contact with the second side of the S/D structure.

Abstract: Provided is a bispecific chimeric antigen receptor targeting CD19 and CD22, which comprises extracellular antigen binding domains of heavy-chain variable regions and light-chain variable regions of anti-CD19 and anti-CD22 antibodies. Further provided is a bispecific CAR-T cell targeting CD19 and CD22.