Abstract: A positive electrode plate includes a composite current collector, a functional coating, and a positive electrode active material layer, where the functional coating is disposed on at least one surface of the composite current collector, and is located between the composite current collector and the positive electrode active material layer; and the functional coating comprises a positive electrode active material, and a D50 particle size of the positive electrode active material is less than or equal to 5 ?m. This can reduce the stress applied to the composite current collector during a cold pressing process without losing energy density. In addition, this also can mitigate misalignment of a metal layer and a polymer film due to inconsistent stretching extents, and alleviate problems such as cracking of the metal layer of the composite current collector and the metal layer tending to fall off from the polymer film.

Abstract: A system and method of docking a wheelchair relative to an object such as a table. The method includes converting a user-selected 2D point in a 2D image of a scene into a 3D point in a 3D point cloud of the scene. A first group of edges is determined from the 3D point cloud based on the 3D point. The method includes defining an intermediate dock pose and an approximated reference edge. The method includes determining a second group of edges from the 3D point cloud and at least one potential reference edge. The method includes determining a dock pose based on one of the at least one potential reference edge and moving the wheelchair towards the dock pose.

Abstract: A carrier reconstruction method to eliminate DC and low-frequency circulating currents in multi-parallel converters is disclosed, addressing the issue of DC and low-frequency circulating currents introduced by traditional carrier phase shift methods. By alternately setting complementary initial phase angles of carriers, this reconstruction method achieves balanced and symmetrical carriers within two periods, thereby eliminating the DC and low-frequency circulating currents caused by asymmetric carriers. The reconstructed carrier method provides a universal solution. It can solve all DC and low-frequency circulating currents issues based on traditional phase-shift carrier modulation strategies. Additionally, the carrier reconstruction method prevents core saturation in common mode inductors or coupled inductors, simplifying the design complexity of these inductors.

Abstract: A conference data processing method includes acquiring a first meeting list of meetings created by a user, meetings in the first meeting list having been created by the user through an instant messaging (IM) client. The IM client includes an interface for calling a software development kit (SDK) of a separate conference application implementing at least one of audio or video conferencing. The method further includes requesting, through a fusion server, a server of the conference application to create a second meeting list according to the first meeting list, and receiving, through the fusion server, the second meeting list transmitted by the server of the conference application. The second meeting list includes meetings that correspond respectively to the meetings in the first meeting list. The method further includes establishing an association relationship between a meeting in the first meeting list and a meeting in the second meeting list.

Abstract: A carrier reconstruction method to eliminate DC and low-frequency circulating currents in multi-parallel converters is disclosed, addressing the issue of DC and low-frequency circulating currents introduced by traditional carrier phase shift methods. By alternately setting complementary initial phase angles of carriers, this reconstruction method achieves balanced and symmetrical carriers within two periods, thereby eliminating the DC and low-frequency circulating currents caused by asymmetric carriers. The reconstructed carrier method provides a universal solution. It can solve all DC and low-frequency circulating currents issues based on traditional phase-shift carrier modulation strategies. Additionally, the carrier reconstruction method prevents core saturation in common mode inductors or coupled inductors, simplifying the design complexity of these inductors.

Abstract: The present disclosure provides a quantum circuit determining method for a text, a text classifying method and related devices. The quantum circuit determining method for a text comprises obtaining parts of speech of words in a text corpus; obtaining relevancies between words according to semanteme of the text corpus; and determining qubits and parameter-containing quantum logic gates of quantum circuits according to the parts of speech and the relevancies.

Abstract: An intermediate of a polyamine derivative, a preparation method therefor, and a use thereof. The intermediate is easy to prepare and high in purity; and when the intermediate is used for preparing the polyamine derivative, the obtained product is high in purity, the operation is simple and convenient, the purity and yield of the polyamine derivative are improved, the purification operation for the product is simplified, and the industrial production of the polyamine derivative and a medicinal salt thereof can be improved. Further provided is a preparation method for the polyamine derivative, the operation thereof is simple and convenient, and the purity of the obtained product is high. The method has a very good application prospect in the field of chemical medicines.

Abstract: A car luggage rack includes a base, bottom base, loading frame and extension frame; both ends of the extension frame are pivotally connected to the base and the loading frame respectively, the driving part can drive the extension frame to rotate, further driving the loading frame to extend out of the accommodation space to a predetermined position or to be folded in the accommodation space, the horizontal holding structure is used to maintain a horizontally constant level of the loading frame. This technical solution solves the technical problem in the prior art that users are inconvenient when loading and unloading luggage.

Abstract: Systems and methods for low power wireless device detection are provided. In one or more implementations, a transmitting/advertising device may include a device identifier and/or one or more time-offset bits in a wireless communication frame for a scanning/receiving device. The scanning/receiving device may perform sequence-level correlation operations to detect the presence of the transmitting/advertising device. The sequence-level correlation operations may detect the transmitting/advertising device based on a detection of a correlation signal peak corresponding to the device identifier, and/or based relative timing of the correlation signal peak corresponding to the device identifier and a correlation signal peak corresponding to another item in the wireless communication frame.

Abstract: A distributed photovoltaic regulation method considering safety verification includes acquiring power transmission or power substation equipment limit value, load condition, and distributed photovoltaic aggregation information under equipment, calculating load rate of equipment, calculating total maximum regulation amount or the total over-limit correction amount of distributed photovoltaic power under equipment based on the load rate of equipment and a threshold value, and decomposing total maximum regulation amount or total over-limit correction amount to obtain respective total maximum regulation amount or total over-limit correction amount of each load point; and decomposing respective total maximum regulation amount or total over-limit correction amount of each load point to obtain respective maximum regulation amount or over-limit correction amount of each automatic power generation control unit, correcting respective regulation requirement and generating respective regulation target of each automatic p

Abstract: A surveillance system including a fixed camera and one or more temporary cameras and a control means coupled to the fixed camera and the one or more temporary cameras is disclosed. The control means is configured to extend coverage of the fixed camera using the one or more temporary cameras coupled to the fixed camera. Each of the one or more temporary cameras includes one or more sensors and is configured to be deployed and adjusted based on sensor data obtained from the one or more sensors of the one or more temporary cameras and from one or more fixed camera sensors co-located with the fixed camera.

Abstract: The invention provides a built-in micro-interface oxidation system for preparing terephthalic acid from p-xylene. The oxidation system includes a first reactor, a rectifying tower and a second reactor which are sequentially connected. A first outlet is disposed on a side wall of the first reactor; a first inlet is disposed on a side wall of the second reactor; a material inlet is disposed on a side wall of the rectifying tower; and a material outlet is disposed at a bottom of the rectifying tower. The first outlet is connected with the material inlet of the rectifying tower; the first inlet is connected with the material outlet of the rectifying tower. Micro-interface units are arranged in the first reactor and the second reactor for dispersing and crushing air into bubbles. Through disposing micro-interface units in reactors, problems of high energy consumption, high raw material consumption and low reaction efficiency are solved.

Abstract: The invention discloses a micro-interface strengthening reaction system for preparing poly-?-olefin, which includes: a first polymerization reactor and a second polymerization reactor that are connected with each other in sequence, wherein a first micro-interface generator is disposed outside the first polymerization reactor, and a second micro-interface generator is disposed inside the second polymerization reactor. A bottom of the second polymerization reactor is provided with a discharge port, and the discharge port is connected with a hydrogen halide removal tower. By disposing the first micro-interface generator in the first polymerization reactor while disposing the second micro-interface generator in the second polymerization reactor, on the one hand it increases the mass transfer area between the gas phase and the liquid phase material, improves reaction efficiency and reduces energy consumption, and on the other hand it results in a higher evenness of the poly-?-olefin and improved product quality.

Abstract: The present disclosure provides a method and system for determining a pure electric available power and a vehicle, the method being applied to a vehicle including a fuel cell, the vehicle further including a battery pack and a motor, the fuel cell and the battery pack being electrically connected to the motor, wherein the method includes: monitoring a current travelling state of the vehicle and a current on-off state of the fuel cell; acquiring a maximum peak power outputted by the motor, a maximum output power of the battery pack and a starting-up power of the fuel cell; and according to the current travelling state, the current on-off state of the fuel cell, the maximum peak power, the maximum output power and the starting-up power, determining the pure electric available power.

Abstract: A deserializer is provided. The deserializer includes a data receiver, an RCC transmitter, an I2C master, a command determination device, a video transmitter, a video processing device and an I2S transmitter. The data receiver analyzes raw data sent to the deserializer to obtain audio data, video data and/or command data. The I2S transmitter sends the audio data to the outside of the deserializer. The video processing equipment performs a format conversion on the video data and sends the video data to the outside of the deserializer. The command determination device determines the command data, and sends the command data to the outside of the deserializer in response to a determination result indicating that the command data is a deserializer external command.

Abstract: This application provides an antenna mechanical part, including a conductive substrate and at least two structural units. Each of the at least two structural units encircles the conductive substrate once, and each structural unit and the conductive substrate are spaced apart. The at least two structural units include a first structural unit and a second structural unit that are adjacent to each other. The first structural unit and the second structural unit are spaced apart to form a first capacitor, and capacitance values of different parts of the first capacitor are different. This application further provides an antenna including the antenna mechanical part and a base station including the antenna. According to the solutions of this application, a problem of an electromagnetic shadow caused by blocking of a metal component can be mitigated.

Abstract: A service level adjustment method includes obtaining by a first network device at least one piece of queue status information at a target service level of the first network device; when any one of the at least one piece of queue status information exceeds a first threshold upper limit corresponding to the any queue status information, adjusting by the first network device a parameter of the target service level based on a maximum delay associated with the target service level; when the queue status information at the target service level exceeds the corresponding threshold upper limit, adjusting by the first network device the parameter of the target service level based on the associated maximum delay.

Abstract: A heat sink includes a substrate, a heat dissipation structure, and a refrigerating medium. The heat dissipation structure includes a connection part and a fin part that are of an integrated structure, the connection part is connected to the substrate, the fin part and the connection part are disposed at an included angle, a fin root of the fin part is connected to the connection part, and a fin top of the fin part is far away from the connection part, a cooling flow channel is disposed in the heat dissipation structure, and at least a part of the cooling flow channel is located in the fin part. The refrigerating medium flows in the cooling flow channel to dissipate heat from the substrate. A heat conduction capability of the heat sink can therefore be improved, and heat dissipation reliability is ensured.

Abstract: A computer of an ordering supporting server executes: a process of acquiring information necessary for specifying a product model number corresponding to a specific product from a terminal apparatus; a process of specifying a product model number corresponding to the specific product on the basis of the acquired information; a process of specifying, on the basis of constituent component data associated with the specific product, a component model number associated with the product model number while defining a value of a component variable part associated with a value of a variable part of the product model number according to a rule for an associated relation set between the model numbers; and a process of providing the specified component identification information to the terminal apparatus.