Abstract: A mesoporous cerium oxide nano-material and a preparation method and an application thereof are provided in the present disclosure, belonging to the technical field of porous materials. The preparation method includes the following steps: using porous organic frameworks material as a templating agent, impregnating and adsorbing cerium salt precursor under an action of alkali, and removing the templating agent by roasting pyrolysis to obtain the mesoporous cerium oxide nano-material. POFs is carbonized into mesoporous carbon materials by calcination in inert atmosphere, which supports the mesoporous channels of cerium oxide, and then the carbonized carbon materials of POFs are removed by calcination in air atmosphere, forming the mesoporous structure of cerium oxide. The mesoporous cerium oxide nano-material prepared by the present disclosure has a high specific surface area and mesoporous structure, and is used as a catalytic material or catalyst carrier.

Abstract: Example three-dimensional (3D) memory devices, methods, and memory systems for connecting vertical transistors and capacitors using connect structures are disclosed. One example method includes forming a first structure that includes multiple vertical transistors. A connect layer is formed over the first structure. The connect layer is etched to form connect structures, where each of the connect structures is coupled to a corresponding one of the vertical transistors. Multiple capacitors are formed over the connect layer, where each of the plurality of capacitors is coupled to a respective connect structure.

Abstract: Provided is a method for resource selection. The method is applicable to a terminal device, and includes selecting a transmission resource from a first resource set after resource exclusion on the first resource set; wherein any resource within the first resource set is a first resource, wherein the first resource corresponds to N consecutive time units in a time domain, N being an integer greater than 1.

Abstract: Aspects of the subject disclosure may include, for example, detecting a plurality uplink data packets on a network, the plurality of uplink data packets conveying application protocol messages from an application on a mobile device to an application server providing a service to the application on the mobile device over the network; providing data packets of the plurality uplink data packets to a machine learning model, the machine learning model trained to identify respective application protocol messages from the data packets; receiving from the machine learning model an indication that a start video download application protocol message has been identified by the machine learning model, the start video download application protocol message requesting initiation of a video download to the application on the mobile device from the application server; detecting a plurality of downlink data packets on the network, the plurality of downlink data packets conveying video content data to the mobile device in respo

Abstract: A multimodal data generation method is provided. The method includes: inputting a query data sequence into a multimodal model, to obtain a plurality of tokens in a response data sequence, where a current token is generated through the following operations: inputting the query data sequence and a current response data sequence into the multimodal model, so that the multimodal model generates the current token based on the query data sequence and the current response data sequence, in response to determining that the current token belongs to a first data modality; or inputting the query data sequence and a current response data sequence into the multimodal model, so that the multimodal model denoises an initial token sequence based on the query data sequence and the current response data sequence, to generate a result token sequence, in response to determining that the current token belongs to a second data modality.

Abstract: The present invention provides kappa opioid receptor peptide agonists, methods for preparing these compounds, compositions comprising these kappa opioid receptor peptide agonists, and methods of using the kappa opioid receptor peptide agonists to treat pain or other conditions.

Abstract: A method for sidelink positioning, a terminal device, and a network device are provided. The method includes: transmitting, by a first terminal device, a first sidelink positioning reference signal to a second terminal device by using a first sidelink resource, where the first sidelink resource is configured by a network device, or the first sidelink resource is selected by the first terminal device or the second terminal device from a sidelink resource pool.

Abstract: The present disclosure provides a preparation method of a mesoporous CeO2-loaded Au catalyst, products and applications thereof, and belongs to the technical field of fine organic chemical industry. According to the present disclosure, firstly, COFs material COFs-41 is employed to prepare mesoporous CeO2 carrier material with high specific surface area; then, Au nanoparticles loaded on the surface of mesoporous CeO2 carrier pores are anchored by impregnation-reduction method to produce Au@CeO2 catalyst with high specific surface area; and then, mesoporous Au@CeO2 catalyst with high specific surface area, aromatic alcohols are added to a reactor, anhydrous methanol is used as a solvent, and heating is carried out to react in an atmosphere of atmospheric oxygen for a certain period of time at room temperature, and this catalyst catalyzes the oxidative transesterification of aromatic alcohols for synthesis of aromatic esters in a highly selective manner.

Abstract: The present invention relates to a subway vehicle electronic record system based on blockchain technology, which mainly includes business view module, record information maintenance module, statistical analysis module, record information management module, system management module, and blockchain foundation platform. The invention comprehensively makes use of blockchain, database and other technologies to normalize heterogeneous data of subway vehicle record.

Abstract: The disclosure provides Bifidobacterium longum subsp. infantis CCFM1269 and an application thereof, and belongs to the technical field of microorganisms. The B. longum subsp. infantis CCFM1269 provided by the disclosure is a food safety strain, which has the effects of regulating the Th1/Th2 balance and the IgA content of a mammal in an early life stage, enhancing the skeletal development, improving the femur length and skeletal steady state in the early life stage and the like, and thus the strain has a huge application prospect. Only a culture medium and control of some culture conditions are needed in a culture process of the strain, so that the cost is relatively low, and industrial production is easily implemented.

Abstract: An unmanned parking space detection method based on a panoramic surround view is provided. The unmanned parking space detection method adopts a Laplace fusion algorithm to splice images to obtain the panoramic surround view, which effectively realize fusion of the images. By using an image quality evaluation function, complexity of the unmanned parking space detection method is reduced while ensuring a quality of the splicing. The panoramic surround view generated by the present disclosure has a more natural transition in the areas being spliced and fused, and the panoramic surround view display is more complete and beautiful. Compared with conventional machine vision detection technologies, the unmanned parking space detection method adopts a target detection technology for detecting parking space entrance lines and adopts a more lightweight network design to ensure real-time performance of a detection algorithm thereof, which has higher detection accuracy and stronger robustness.

Abstract: The present disclosure relates to a method for calibrating an articulated robot, a computer device and a non-temporary computer-readable storage medium. The method includes: acquiring desired trajectory information regarding a desired trajectory of the end-effector; acquiring load information regarding a load subjected by the articulated robot, the load including a gravity load, an inertial load and an external load; obtaining, based on the desired trajectory information, joint position data indicating a joint position of the articulated robot; obtaining, based on the joint position data and the load information, end position change data indicating an end position change of the end-effector; and compensating, based on the end position change data, a position error of the end-effector according to a predetermined compensation strategy.

Abstract: An object emotion analysis method and apparatus and an electronic device are provided. The method includes: extracting a static facial feature and a dynamic feature from multimedia data associated with a target object, wherein the dynamic feature includes one or more of an expression change feature, a sound feature and a language content feature: inputting the static facial feature and the dynamic feature into a pre-trained object emotion analysis model, fusing the static facial feature and the dynamic feature by the object emotion analysis model, and outputting an emotion analysis result.

Abstract: The present disclosure provides a phase shifter, an antenna and an electronic device, and belongs to the field of communication technology. The phase shifter includes a plurality of phase shifting units, a first power division network and a second power division network; each phase shifting unit includes a first transmission structure and a second transmission structure; the first power division network includes a first feeding port and a plurality of second feeding ports; the second power division network includes a third feeding port and a plurality of fourth feeding ports; and the first transmission structure of the phase shifting unit is electrically connected to one second feeding port; the second transmission structure of the phase shifting unit is electrically connected to one fourth feeding port.

Abstract: Examples relate to configuring dynamic user roles that can be managed and distributed by a cloud-based user role service. In this way, dynamic user roles may be distributed in a more scalable manner than has been previously possible. Upon associating or connecting to an access point (AP), for example, a user device can be authenticated and assigned a user role. The AP can request the user role configuration from the cloud-based user role service. The cloud-based user role service can additionally distribute the same user role configuration/details to all neighboring APs. In this way, a user device can move, roam, or otherwise associate to another AP that post-distribution, already has the (dynamic) user role configuration, which can simply be applied to the user device.

Abstract: The present invention provides a zirconium-based metal-organic framework material and a preparation method therefor and the use thereof, and an adsorption separation device and method. The zirconium-based metal-organic framework material has a chemical structural formula of [C18H6O16Zr3]n, and comprises zirconium and an organic ligand forming a coordination bond with zirconium, wherein the organic ligand is diphenylethyne-3,3?,5,5?-tetracarboxylic acid. The molecular structure of the zirconium-based metal-organic framework material of the present invention is a three-position network structure having a one-dimensional channel; and in the present invention, the size of the one-dimensional channel is accurately controlled by changing the aspect ratio of the organic ligand, such that the zirconium-based metal-organic framework material efficiently separates a hexane isomer by means of a kinetic effect.

Abstract: A high performance laminated aluminum alloy manufacturing method includes: combining and fixing a front plate, a middle plate, and a rear plate, performing hot roll-bonding to obtain a laminated aluminum alloy; conducting solid solution and quenching treatment on the laminated aluminum alloy; carrying out underwater stirring friction treatment on the quenched laminated aluminum alloy; after aging heat treatment, the laminated aluminum alloy with high ballistic resistance and high interfacial bonding strength is obtained. The method uses underwater stirring friction treatment on quenched laminated aluminum alloy to break the original interlayer structure, forming a three-dimensional spatial structure composed of a stirring zone and a structural interlocked zone, and the interlayer bonding strength of the laminated aluminum alloy is greatly improved.

Abstract: A storage cluster may dynamically select a data transport mode for supporting a backup or export job. The storage cluster may receive a trigger indication to create, a backup of data of a source virtual machine. The storage cluster may select a data transport mode to use for reading the data from the source virtual machine to create the backup at the storage cluster. The selection may be from a set of data transport modes that includes a proxy virtual machine mode and a direct-to-host mode. The storage cluster may transmit, to a host for the source virtual machine, a request to activate the selected data transport mode, and receive the data from the source virtual machine via the selected data transport mode. The storage cluster may use the data to create the backup.

Abstract: The present invention provides kappa opioid receptor peptide agonists, methods for preparing these compounds, compositions comprising these kappa opioid receptor peptide agonists, and methods of using the kappa opioid receptor peptide agonists to treat pain or other conditions.

Abstract: The present disclosure provides a waveguide conversion device and wireless communication system. The waveguide conversion device includes: a waveguide cavity including a waveguide transmission cavity and a waveguide back cavity facing each other; a base substrate between the waveguide transmission cavity and the waveguide back cavity, the base substrate including at least a first substrate; and a conversion module on the first substrate and including a balanced antenna, a first differential strip-line and a second differential strip-line, wherein the balanced antenna is in a region where the waveguide transmission cavity faces the waveguide back cavity, the balanced antenna includes a first output port and a second output port; a first end of the first differential strip-line is connected to the first output port of the balanced antenna, and a first end of the second differential strip-line is connected to the second output port of the balanced antenna.