Abstract: An opening and closing cover assembly for an opening portion on an automobile body is provided. It comprises a cover plate configured for opening and closing the opening portion, a driving source, a guide member driven by the driving source to perform a reciprocating motion, a transmission sliding block, and a fixed guide rail fixed to the automobile body. The guide member and the transmission sliding block are fixed to each other, the transmission sliding block is connected to the cover plate, and a first sliding groove fitted with the guide member and a second sliding groove slidably fitted with the transmission sliding block are formed within the fixed guide rail. Through the guide member and the transmission sliding block, the driving source drives the cover plate to reciprocate between a closed position and a fully open position, allowing the opening portion to be automatically opened and closed.

Abstract: A method for dynamic access control includes receiving a query request associated with a specific person within an organization and a target access object for which access control is to be performed. The method also includes utilizing an access control knowledge map for inferences based on the query request, and returning a query result according to the inferences. The query result indicates an access permission of the specific person for the target access object.

Abstract: A method for storing and reading cached data and a device are provided. The method for storing and reading cached data includes: in response to receiving to-be-cached data, segmenting the to-be-cached data sequentially into at least two pieces of first fragmented data; writing the first fragmented data sequentially into first storage particles of at least two storage blocks in a time division multiplexing manner, and ensuring that the first fragmented data written into the respective first storage particles are different from each other. The fragmented data are stored and read in the time division multiplexing manner, and the fragmented data corresponding to a complete data are stored in different storage blocks, so a plurality of data can be stored and read in a complete data storage and read process, thereby reducing read and write time overhead during the execution of a large number of buffered data storage and read tasks.

Abstract: Disclosed is a biped robot and multi-configuration robot capable of being spliced autonomously, and a control method of the multi-configuration robot. The biped robot comprises a torso, arms, legs, a tolerance docking sleeve, and a torso docking device. The arms are correspondingly arranged at the left and right sides of the torso, and two legs are arranged at the lower side of the torso. The tolerance docking sleeve is movably arranged at the rear side of the torso through a base, and the torso docking device is fixed to the front side of the torso. Single biped robots in the present disclosure can form a multi-configuration legged combined body in a self-organization and reconstruction mode so as to achieve bipedal, quadrupedal, hexapodal and other multi-legged configurations. The motion stability and the load capacity of the legged robot are improved through the splicing combination of the modular legged robots.

Abstract: A forwarding device receives at least one service flow; the forwarding device obtains service information of the at least one service flow, where the service information of the service flow includes identification information of a network object to which the service flow belongs and M key performance indicators KPIs of the service flow, M is an integer greater than 0, and the network object includes one or more devices; and the forwarding device sends training information to a first device, where the training information includes the service information of the at least one service flow or a feature set obtained based on the service information of the at least one service flow, the training information is used to train a fault detection model, and the fault detection model is used to detect whether the network object is in a faulty state.

Abstract: The present disclosure provides an inversion method for determining a pollution source list based on artificial intelligence and big data, an inversion system for determining the pollution source list based on artificial intelligence and big data, and applications thereof, which provides basic data support for government sectors to formulate relevant environmental protection measures. The specific technical solution employed in the present disclosure is as follows: finding out an emission source that makes the highest contribution to the pollutant concentration of any cell with an advanced 3D CNN artificial intelligence algorithm based on artificial intelligence and big data, establishing a model of the relationship between pollutant concentration and emission, and finding out the relationship between pollutant concentration and emission with machine learning technology, i.e., estimating an emission from a given pollutant concentration, and estimating a pollutant concentration from a given emission.

Abstract: An adjustable bed includes a frame structure having a first frame, a second frame, and a pair of connection bars detachably connecting the first frame and the second frame to one another; a plurality of platforms having two or more back platforms disposed on the first frame and two or more lower limb platforms disposed on the second frame; and an adjustable assembly comprising two or more back lifting assemblies coupled with the first frame and two or more leg lifting assemblies coupled with the second frame for individually adjusting each of the two or more back platforms and the two or more lower limb platforms in desired positions.

Abstract: Antennas having single or parallel printed circuit board-based feed stalks and base station antennas having such radiating elements. The single feed stalk can have two feed lines configured to feed radio frequency signals to respective dipole radiators. Each feed line can have twin ground lines on one side (primary surface) of the single feed stalk printed circuit board and a cooperating feed trace on an opposing side (opposing primary surface) that provide RF transmissions from a feed network to a dipole radiator. The twin ground lines for the first feed line can be on a different primary surface than the twin ground lines for the second feed line and one ground line of each twin line set can cross-over each other at a forward end portion of the feed stalk. The parallel feed stalk printed circuit board can provide two feed lines for a respective dual polarized radiating element.

Abstract: Computer implemented methods, systems, and computer program products include program code executing on a processor(s) obtains queries from sources via a query interface. The program code analyzes the queries to obtain attributes of the queries. The program code applies a trained classifier to the attributes to classify the queries into finite categories based on a predicted usage of a given resource type exceeding a pre-determined threshold and an anticipated execution duration for each query. The program code determines, based on the finite categories of the one or more queries and resource configurations of resources comprising the database service, which resource of the resources can efficiently execute each query of the one or more queries. The program code schedules each query of the one or more queries for execution by the determined resources.

Abstract: The present invention relates to a targeted perception-oriented twin substructure interaction method and system, and application. The method includes: acquiring multivariate inspection and monitoring data and finite element influence line data of a main structure; solving, on the basis of the inspection and monitoring data and the finite element influence line data of a non-focus region, boundary conditions of a focus region; establishing, for the focus region, a refined twin substructure finite element model, and correcting material properties of the refined twin substructure finite element model on the basis of the inspection and monitoring data and the finite element influence line data of the focus region; and calculating a correction force on the basis of the boundary conditions of the focus region and the material properties, and using the correction force as an equivalent external load to act on nodes of a global finite element model.

Abstract: A base station antenna comprises first and second RF ports, first and second columns of radiating elements that each extend in a longitudinal direction, and a power coupling circuit. A first radiating element in the second column is coupled to the first RF port via the power coupling circuit, and the phase of the RF signal fed to the first radiating element in the second column is not advanced as compared to the phase of the RF signal fed to the first radiating element in the first column. A second radiating element in the first column is coupled to the second RF port via the power coupling circuit, and the phase of the RF signal fed to the second radiating element in the first column is not advanced as compared to the phase of the RF signal fed to the second radiating element in the second column.

Abstract: A method and an apparatus for detecting an isolation pad in medical imaging, and a medical imaging system are provided. The method includes: acquiring an image of a detection object captured via a camera; determining, based on the image, whether an isolation pad is present at a predetermined part of the detection object; and outputting information related to a result of the determination. The present application detects an isolation pad placed on the body of a detection object, and it is thus possible to reliably avoid the formation of a loop in the body of the detection object.

Abstract: Disclosed are an electrode assembly and a battery. The electrode assembly includes a positive electrode plate formed through winding, where the positive electrode plate includes a positive electrode current collector, a first protective layer, and a positive electrode active material layer. The positive electrode current collector includes a first surface close to a winding center and a second surface away from the winding center. The second surface includes a first region and a second region. The first surface and the first region are provided with the first protective layer and the positive electrode active material layer, and the first protective layer is located between the positive electrode active material layer and the positive electrode current collector. The second region is provided with the first protective layer. The first protective layer includes a conductive material and a first binder.

Abstract: The present application provides a method for preparing a probiotic-loaded microcapsule including: (1) dissolving sodium alginate in a solvent to obtain a sodium alginate solution; (2) evenly mixing a probiotic with the sodium alginate solution obtained in step (1) to obtain a probiotic suspension; and (3) spraying the probiotic suspension obtained in step (2) into a salt solution, stirring and curing, to obtain the probiotic-loaded microcapsule. The microcapsule is prepared by a spraying method in conjunction with an ion curing method by using sodium alginate as the wall material of the microcapsule, so that the prepared microcapsule has a good spherical shape, a small particle size, good dispersibility and high pH sensitivity, forms a denser surface under an acidic condition to effectively protect probiotics, and can meet requirements for subsequent in vivo animal evaluations.

Abstract: A preparation method for a tungsten sulfide (WS2) solid lubricating film based on high power impulse magnetron sputtering (HiPIMS) is provided. The preparation method includes the following steps: step 1: depositing a metal conductive film on a surface of a WS2 target; step 2: using magnetic field sputtering to remove the metal conductive film in a target sputtering area on the surface of the WS2 target, thereby obtaining a first WS2 target; and step 3: performing the HiPIMS on the first WS2 target to obtain the WS2 solid lubricating film. The preparation method can achieve stable glow discharge of a WS2 target and use the high deposition energy of HiPIMS to prepare the WS2 solid lubricating film with high compactness and excellent wear resistance.

Abstract: Provided is a vehicle accident loss assessment risk control method and apparatus. The method can include: acquiring a vehicle accident loss assessment report of a current accident of a vehicle, wherein the vehicle accident loss assessment report includes vehicle information of the vehicle and vehicle loss items related to the current accident of the vehicle; calculating the vehicle loss items in the vehicle accident loss assessment report based on a pre-established risk algorithm model in combination with the vehicle information, and identifying risk items with risks in the vehicle loss items; and intercepting the risk items or prompting the risk items to a user. According to the embodiment, an early warning can be automatically made to a leakage that may occur in the vehicle accident loss assessment based on artificial intelligence, industry big data standardization, big data mining analysis and the like, to realize the risk control and ensure the accuracy of vehicle accident loss assessment.

Abstract: The present invention provides a pipeline overturning lining inner wall cleaner, belonging to the technical field of pipeline inner wall cleaning. The pipeline overturning lining inner wall cleaner includes a cleaner body, where one end of the cleaner body is fixedly connected with a fixed block, one end of an outer side of the cleaner body is provided with a first spring, one end of the first spring is fixedly connected with a sleeve, the outer side of the cleaner body and an outer side of the sleeve are fixedly connected with a rotating base, respectively, one side of each rotating base is provided with a first connecting rod, one side of each first connecting rod is provided with a second connecting rod. A water pump conveys cleaning liquid to a shunt pipe and a drain pipe, and then sprays the cleaning liquid into a pipeline.

Abstract: A power supply device and a control method for the same are disclosed. The method comprises: controlling, when there is the abnormal situation in the first input power supply, a first access point of a first relay and a third access point of the first relay to be disconnected, a second access point of the first relay and a fourth access point of the first relay to be disconnected, a common access point of a third relay and a second access point of the third relay to be connected, a common access point of a fourth relay and a second access point of the fourth relay to be connected, a first access point of a second relay and a third access point of the second relay to be connected, and a second access point of the second relay and a fourth access point of the second relay to be connected.

Abstract: An array substrate, including a first substrate, and a plurality of gate lines and a plurality of data lines defining a plurality of subpixel regions each including a reflective region and a transmissive region, wherein the reflective region includes a reflective electrode, and the transmissive region includes a transmissive electrode; a first spacing region including a preset subregion is between two adjacent reflective electrodes in a first direction; the data line includes a first portion in the preset subregion, and a width of the first portion in the first direction is smaller than that of the preset subregion; and the array substrate further includes a first light shielding pattern opposite to the first portion and in the same layer as the gate lines, where an orthographic projection of the first light shielding pattern on the first substrate completely covers an orthographic projection of the preset subregion on the first substrate.

Abstract: A method of a new energy centralized control station network based on dynamic IP can determine the occurrence frequency and the occurrence interval of the abnormal traffic, further analyze and determine the defense state of a new energy centralized control station based on this, and execute the corresponding dynamic optimization solution according to different defense states, so that the IP address and the firewall of the new energy centralized control station can be dynamically adjusted to ensure the security performance of the new energy centralized control station, reduce the risk of external intrusion, effectively resist malicious network reconnaissance such as scanning attacks and ensure the stable operation of a new energy power generation system.