Abstract: Provided are a communication link determination method and apparatus, a device and a storage medium. The method includes the following. A first communication link set in which a channel state of at least one communication link is idle is determined in a communication link set supported by a device. A second communication link set is determined according to the channel state of the at least one communication link in the first communication link set during a preset time period. A target communication link set for transmitting a radio frame is determined according to a channel state of at least one communication link in the second communication link set in a backoff procedure.

Abstract: The present disclosure relates to an integrated circuit including parallel dynamic registers, an operation chip, and a computing apparatus. The integrated circuit includes a plurality of dynamic registers arranged in one column. The plurality of dynamic registers have respective input data signals and output data signals, and receive a same control signal. The plurality of dynamic registers include a first dynamic register arranged in a first row and a second dynamic register arranged in a second row adjacent to the first row. The first dynamic register includes a first tristate gate, and the second dynamic register includes a second tristate gate. The first tristate gate includes a first field effect transistor (FET), and the second tristate gate includes a second FET with a same polarity as the first FET. The first FET is adjacent to the second FET.

Abstract: A magnetic resonance multi-core radio frequency coil device includes a first birdcage coil and a second birdcage coil coaxially nested. The first birdcage coil includes four first end rings arranged along an axial direction and multiple first leg structures. Each first leg structure is connected to the four first end rings. The second birdcage coil includes two second end rings arranged along the axial direction and multiple second leg structures. Each second leg structure is connected to the two second end rings. The first birdcage coil is configured to transmit and receive radio frequency energy at frequencies corresponding to three different nuclides. The second birdcage coil is configured to transmit and receive radio frequency energy at a frequency corresponding to a nuclide. The nuclides corresponding to the first birdcage coil are different from the nuclide corresponding to the second birdcage coil.

Abstract: A handover method, a processing method, a handover device, a processing device, a network device and a core network device are provided. The handover method includes: transmitting a handover request message to a second network device, the handover request message carrying relevant information of a first MBS; and receiving a handover request acknowledgement message transmitted by the second network device, the handover request acknowledgement message carrying access control-related information of the first MBS.

Abstract: An airborne detection device and an operational method for cracks in concrete infrastructure structures include a multi-rotor UAV equipped with an ultrasonic mechanism for collecting concrete crack depth information and an imaging system for marking crack locations, capturing crack images, and extracting crack morphology information from these images. By integrating crack depth information with crack morphology data, the system generates a three-dimensional structure of the crack. The airborne detection device and method are suitable for the rapid inspection of large-scale concrete infrastructure (such as bridges, dams, buildings, etc.) in outdoor environments. By combining image recognition technology with ultrasonic techniques, it enables three-dimensional visualization of concrete cracks, providing reliable support for subsequent crack treatment decision-making.

Abstract: The present disclosure relates to a processor and a computing system. A processor is provided, including: a pipeline stage, including sequential device(s); and a first clock driving circuit, configured to provide a clock signal to the pipeline stage, wherein the first clock driving circuit includes: a plurality of first clock paths, configured to provide corresponding clock signals respectively; a first selector, configured to select a clock signal from the clock signals provided by the plurality of first clock paths for the pipeline stage.

Abstract: A method for preparing mesenchymal stem cells (MSCs) is provided. The method includes providing expanded potential stem cells or a first cell culture including the expanded potential stem cells; culturing the expanded potential stem cells or the first cell culture in a trophoblast stem cell (TSC) differentiation medium to obtain trophoblast stem cells or a second cell culture including the trophoblast stem cells; culturing the trophoblast stem cells or the second cell culture in a mesenchymal stem cell (MSC) differentiation medium to obtain mesenchymal stem cells or a third cell culture including the mesenchymal stem cells; and passaging the mesenchymal stem cells or the third cell culture in an MSC expansion medium while maintaining characteristics of the mesenchymal stem cells.

Abstract: Systems and methods for measuring light, which collect and measure light emitted from different positions along the length of a flow cell using shared collection and magnification optics, a light splitting module that splits magnified light into a plurality of wavelength ranges, and an array of spherical lenses that direct light of different wavelength and emission position to an array of detectors.

Abstract: Disclosed in the present application are a server cluster container and a containerized server cluster apparatus. The server cluster container in the present application comprises a container body, and a rack and an electronic control system, which are arranged in the container body, wherein the electronic control system comprises a power distribution cabinet, which is connected to servers borne on the rack. The containerized server cluster apparatus comprises the server cluster container and a plurality of servers, wherein the servers are arranged on the rack and are connected to the electronic control system. In the present application, the plurality of servers are containerized in the server cluster container to form the containerized server cluster apparatus, which has high-density deployment, high computational efficiency and high mobility.

Abstract: Disclosed are a server cluster container and a containerized server cluster device. The server cluster container in the present application comprises a container body, a rack arranged in the container body, and an electronic control system, which is configured to connect to servers supported on the rack, wherein the electronic control system comprises a power distribution cabinet and a switch. The servers supported on the rack are electrically connected to the power distribution cabinet, and are in signal connection with the switch, thereby forming the containerized server cluster device with high-density deployment, high computational efficiency and flexible configuration.

Abstract: A method includes receiving, by a browser application, a first user interaction to initiate a virtual meeting in a first tab of the browser application. The method further includes receiving, during the virtual meeting, a second user interaction to switch a focus of the browser application to a second tab of the browser application. The method further includes, responsive to the focus of the browser application switching to the second tab of the browser application, causing a floating window to appear along with content of the second tab. The floating window includes one or more elements associated with the virtual meeting.

Abstract: A space electric propulsion system and a xenon filling method therefor are provided, suitable for a filling process of an electric propulsion system using high-purity xenon as a working medium. By reasonably designing a filling process, the precision of a xenon filling amount is ensured, and xenon filling can be performed without weighing the whole spacecraft. This method features a simple and efficient filling device, short preparation time, precise and controllable filling process, as well as safety and convenience, which can effectively meet the requirements for a high-purity xenon rapid filling task of a satellite.

Abstract: A liquid-cooled data center is disclosed, comprising: a liquid-cooled device; and a cold source device, which is connected to the liquid-cooled device and is used for cooling the liquid-cooled device. By means of the technique of the present application, cooling requirements of a plurality of computing devices at a data center are met, so as to facilitate an improvement in the circulation efficiency of a cooling working medium circularly flowing between a liquid-cooled device and a cold source device, thereby improving the cooling efficiency.

Abstract: This disclosure provides an integrated circuit, a chip, and an electronic device. The chip includes D dice, where D is a positive integer greater than or equal to 2, the D dice include a first die and a second die, and the first die and the second die are rotationally symmetrical.

Abstract: Methods and devices are provided for facilitating wireless communication. In one exemplary aspect, a method for a terminal device is provided. The method includes receiving access resource information at a first frequency band, wherein the access resource information indicates an access resource available for accessing a network device in a second frequency band; and performing a network access operation using the access resource at the second frequency band.

Abstract: Systems and methods of managing documents associated with resources. The system includes a communication module, a processor, and a memory. The memory stores duplicate detection data and instructions that, when executed, configure the processor to: receive, via the communication module and from a client device, an image of the subject document; extract a document identifier from the image of the subject document; obtain a date associated with the subject document; determine that the subject document is unique by comparing a set of validation data values with the duplicate detection data; and in response to determining that the subject document is unique, transmit, to the client device, a provisional acceptance notification and provisionally allocate the resource associated with the subject document to a data record corresponding to a second identifier.

Abstract: Provided are a compound of formula (I) having an effect of regulating and controlling the activity of 15-PGDH, a stereoisomer, a tautomer or a form of a mixture thereof, or a pharmaceutically acceptable salt thereof, or a solvate thereof, or a prodrug thereof, a pharmaceutical composition comprising same, and a preparation method therefor and the use thereof as a 15-PGDH inhibitor.

Abstract: Disclosed is a method for extracting a boundary line of on-year and off-year moso bamboo forests based on Sentinel-2 remote sensing data, and relates to the technical field of forestry remote sensing. The method includes classifying remote sensing images to acquire spatial distribution of three land type results, the three land type results including several on-year moso bamboo forests, several off-year moso bamboo forests and other vegetations between the on-year and off-year moso bamboo forests; extracting an initial boundary line of the on-year and off-year moso bamboo forests according to spatial distribution of three land type results; building a buffer region of the initial boundary line, and acquiring intersecting pixels of the buffer region and the spatial distribution of three land type results; and calculating pixel thresholds by using the intersecting pixels, and acquiring a final boundary line of the on-year and off-year moso bamboo forests.

Abstract: Monoclonal antibodies that bind glypican-2 (GPC2) with high affinity are described. Immunotoxins and chimeric antigen receptors (CARs) that include the disclosed antibodies or antigen-binding fragments thereof are further described. In some instances, the antibody or antigen-binding fragment is humanized. The disclosed GPC2-specific antibodies and conjugates can be used, for example, for the diagnosis or treatment of GPC2-positive cancers, including neuroblastoma, medulloblastoma and retinoblastoma.