Abstract: Embodiments of this application disclose a data protection method and system, a medium, and an electronic device, and belong to the field of communication technologies. In embodiments of this application, a first electronic device establishes a communication connection to a second electronic device. The first electronic device is a trusted device of the second electronic device. When detecting a first trigger condition, the first electronic device sends first data to the second electronic device. The first data is used to trigger the second electronic device to enter a maintenance mode. According to embodiments of this application, the first electronic device triggers the second electronic device to enter the maintenance mode, to protect data of the electronic devices.

Abstract: Embodiments of the present disclosure relate to a method, an electronic device, and a computer program product for video processing. The method includes: converting, based on a sample frame in a first video having a first resolution as well as a template, a first group of image frames in the first video that correspond to the sample frame to a second group of image frames that are more similar to the template. The method also includes: converting the second group of image frames to a third group of image frames having a higher resolution to generate a higher-resolution video. In this manner, low-resolution image frames can be first converted to image frames that are more suitable for resolution conversion, so that a high-resolution video of a higher quality can be obtained when reconstructing the high-resolution video.

Abstract: A plural material dispensing system (10) includes a pump (38) having a cylinder (52) mounted between a first bracket (32) and a second bracket (34), a piston (54) disposed within the cylinder (52), and a pump rod (48) extending from the piston (54) and out of the first bracket (32). Material is provided to the cylinder (52) through a flow path extending through the pump rod (48). The piston (54) drives material downstream out of the cylinder (52), and the interface between the piston (54) and the inner surface of the cylinder (52) provides a dynamic seal during pumping. The flow of material into and out of the pump (38) is controlled by actively-controlled inlet and outlet valves.

Abstract: Methods, systems, and devices for wireless communications are described to support using one of multiple types of synchronization signal blocks (SSBs) to perform one or more management procedures. A base station may configure and transmit one or more SSBs of second type that are smaller than SSBs of a first type. For instance, SSBs of a second type may include a first subset of signals and may exclude a second subset of the signals that are included in an SSB of the first type. An SSB of the second type may be transmitted in an active bandwidth region used for communications between a user equipment (UE) and the base station. The UE may receive an SSB of the second type in an active bandwidth region, may perform one or more measurements using the SSB of the second type, and may perform one or more management procedures.

Abstract: A sliding sleeve device has an outer cylinder, a circulation hole being provided in the wall of the outer cylinder; and an inner cylinder provided in an inner cavity of the outer cylinder. In an initial state, the inner cylinder and the outer cylinder are fixed to each other to seal the circulation hole. In a first state, the inner cylinder is movable relative to the outer cylinder, thereby unsealing the circulation hole. A protection mechanism is provided in the circulation hole, which has an inner member located on the radially inner side and an outer member located on the radially outer side.

Abstract: A power distribution circuit applied to a radio frequency front-end transceiving apparatus includes a common-stage amplifying circuit and a branch-stage amplifying circuit, in which the branch-stage amplifying circuit comprises at least two parallel channel amplifying circuits; the common-stage amplifying circuit is configured to perform a first signal processing on a radio frequency signal received by an antenna of the radio frequency front-end transceiving apparatus to obtain a first power signal and output the first power signal to each of channel amplifying circuits, in which the first signal processing at least includes a buffering processing, an isolation processing and a low-noise amplifying processing; each channel amplifying circuit is configured to perform a second signal processing on the first power signal to obtain a second power signal and output the second power signal to a radio transceiving device; the second signal processing at least includes a low-noise amplifying processing.

Abstract: The present application relates to a synthesis method for N-methyl-3-substituted methyl-4-pyrazolamide derivative and N-methyl-3-substituted methyl-4-pyrazolic acid, including the following steps: step S1: synthesis of intermediate E; step S2: synthesis of intermediate D; step S3: synthesis of intermediate C; step S4: synthesis of N-methyl-3-substituted methyl-4-pyrazolamide derivative; and synthesis of N-methyl-3- substituted methyl-4-pyrazolic acid by decomposition of N-methyl-3-substituted methyl-4-pyrazolamide derivative.

Abstract: Disclosed are a dynamic error measurement apparatus, system, and method for an electricity meter. The measurement apparatus includes a test signal generation unit configured to generate a voltage test signal and two-circuit current test signals, output the voltage test signal to a measurement unit, and output the two-circuit current test signals to the measurement unit and a current summation unit; the measurement unit configured to determine two-circuit electric energy values based on the voltage test signal and the two-circuit current test signals, and output the two-circuit electric energy values to a calculation control unit; the current summation unit configured to determine a combined current signal based on the two-circuit current test signals; and the calculation control unit configured to determine a total electric energy value based on the two-circuit electric energy values. The system includes a standard meter and a measurement apparatus.

Abstract: Provided are a drive compensation method and system of a display panel and a display device. The drive compensation method includes: determining at least one of the impedance and capacitive reactance variation curve of a first signal line in a column direction and determining the charge rate variation curve of first pixel units in a row direction; determining the compensation coefficients for a respective pixel unit in the column direction and/or the row direction according to the impedance and capacitive reactance variation curve of the first signal line in the column direction and/or the charge rate variation curve of first pixel units in the row direction; and compensating the compensation coefficients for the respective pixel unit in the column direction and/or the row direction to the drive signal of the respective pixel unit to drive the respective pixel unit.

Abstract: Embodiments of the disclosure include a method, a device, and a computer program product for video processing. This method includes: selecting frames having features of a first type from a first instance of a video as a first candidate set, the first instance having a first resolution; generating a set of training frames based at least on the first candidate set; acquiring a set of corresponding frames for the set of training frames in a second instance of the video, the second instance having a second resolution lower than the first resolution; and determining, using the set of training frames and the set of corresponding frames, a conversion parameter for conversion from the second resolution to a third resolution. This solution provides a smaller-scale and higher-quality training set for the training of a video conversion model, thus improving the quality of training while saving computational resources and increasing training speed.

Abstract: Provided are an LED chip and a light emitting device, which include a light emitting epitaxial layer, a first insulating layer covering the light emitting epitaxial layer, and a first pad and a second pad located on the first insulating layer. Each of the first pad and the second pad includes a stress buffer layer, a nickel metal layer, and a protective layer. The stress buffer layer includes aluminum metal layers; and by adjusting the thickness distribution of the aluminum metal layers, an aluminum metal layer closest to the nickel metal layer is set to be the thickest, and the aluminum metal layers are thickened, especially the thickness of the aluminum metal layer closest to the nickel metal layer is greater than or equal to the thickness of the nickel metal layer, therefore, the ductility and tensile property of aluminum metal are utilized to play a role in stress buffering.

Abstract: A ripple control method for a modular cascaded power conversion device is provided. The method obtains, according to a grid voltage vector of three-phase AC power, a second-order fluctuating voltage superposition vector representing the total amount of second-order fluctuating voltages on respective floating DC sides of the three phases; determines a single-phase power control amount of each phase to be transferred from the floating DC sides to a low-voltage DC side; determines a single-module power control amount of each power module to be transferred to a low-voltage DC side thereof; and generates a single-module control signal for controlling the power module, so as to transfer a second-order fluctuating voltage on a floating DC side of the power module to the low-voltage DC side thereof. A modular cascaded power conversion device is also provided.

Abstract: A modified positive electrode material includes an inner core and a cladding layer. The inner core is a positive electrode material, and the cladding layer includes a polymer electrolyte body and a ferroelectric ceramic material dispersed in the polymer electrolyte body.

Abstract: A catalyst for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction as well as a preparation method and use thereof are provided. The catalyst includes a zero-valent iron and phosphorus co-modified carbon material which includes a carbon material as a carrier, a zero-valent iron supported onto the carrier and serving as an active component, and a phosphate functional group formed on the surface of the carbon material. The preparation method includes: co-modifying a carbon material using a ferric salt and organic phosphorus to obtain the catalyst for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction. The present application further provides a method for continuous production of 1,1,1,3-tetrachloropropane through gas-solid reaction.

Abstract: A pre-lithiated silicon-based anode includes a silicon-based anode, lithium disposed on a surface or in an interior of the silicon-based anode, and a protective coating on the surface of the silicon-based anode. The pre-lithiated silicon-based anode allows subsequent processing to be performed safely in the atmosphere.

Abstract: A device for separating and recovering flat-plate catalyst powder and a method for determining a wear ratio are provided. The device includes a powder separation unit and a powder recovery unit, a powder accumulation bin is respectively connected with a shell and a catalyst powder outlet, a cyclone outlet is configured on an inner side of a recovery shell, and a primary filter and a secondary filter are configured on an inner side wall of the recovery shell.

Abstract: A method for obtaining information about a channel and an apparatus are provided. The method includes: obtaining N+1 first feedback signals Yn from a passive inter-modulation source; obtaining first update direction information p based on the N+1 first feedback signals Yn; and obtaining information about a channel with the passive inter-modulation source based on the first update direction information p. According to the method and the apparatus in this application, complexity of obtaining the information about the channel with the passive inter-modulation source can be reduced, time and power consumption required for obtaining the information about the channel can be reduced, and accuracy of the information about the channel can be improved.

Abstract: Provided is a display module. The display module includes: a display panel and a heat dissipation structure; wherein the display panel includes a substrate and a display substrate layer disposed on the substrate, and the heat dissipation structure is disposed on a side, distal from the display substrate layer, of the substrate; and a gap is formed between at least a partial region of the heat dissipation structure and the substrate.

Abstract: Disclosed is a target tracking method and apparatus. The target tracking apparatus includes a processor configured to obtain a first depth feature from a target region image and obtain a second depth feature from a search region image, obtain a global response diagram between the first depth feature and the second depth feature, acquire temporary bounding box information based on the global response diagram, updated the second depth feature based on the temporary bounding box information, obtain local feature blocks based on the first depth feature, obtain a local response diagram based on the local feature blocks and the updated second depth feature, and determine output bounding box information based on the local response diagram.

Abstract: Some embodiments of the present disclosure provide a laminating equipment for a Radio Frequency Identification (RFID) tire tag. The laminating equipment includes: a frame, a feeding mechanism, wherein the feeding mechanism is provided on the frame, and a laminating mechanism, wherein the laminating mechanism is provided on the frame. The laminating mechanism is configured to press rubber and an electronic chip of materials to be fed from the feeding mechanism. The feeding mechanism includes a support frame, a coiling portion which is provided on the support frame, and a driving wheel which is rotationally provided on the support frame. One end of the material to be fed is provided on the coiling portion, and the other end cooperates with the driving wheel, so as to move the material to be fed under a driving of the driving wheel. The technical solution of the present disclosure may solve a problem in the conventional art that the efficiency of manual feeding is low.