Abstract: The present disclosure relates to a fuel cell technology, and in particular, to a method and a system for analyzing hydrogen refueling action of a fuel cell vehicle based on a big data platform. By extracting a structural design parameter set of a hydrogen system of a fuel cell vehicle and a driving data set of the fuel cell vehicle in a preset time period, and further analyzing the obtained hydrogen refueling action data, it calculates a first hydrogen refueling feature set and a second hydrogen refueling feature set of the fuel cell vehicle and finally obtain hydrogen refueling action features corresponding to driving of the fuel cell vehicle in a preset time period.

Abstract: Disclosed is a non-blind-area multi-view panoramic stereo imaging device. The device comprises a front lens assembly or a plane mirror, an aspheric mirror, a middle lens assembly, a panoramic block, a rear lens assembly and an image surface which are longitudinally arranged along an optical axis. The aspheric mirror comprises a central hole and an annular reflecting surface. The panoramic block comprises a front central circular transmission surface, a front reflecting surface, a front transmission surface, a rear reflecting surface and a rear transmission surface. The front reflecting surface, the front transmission surface and the rear reflecting surface are all annular surfaces. The inner edge of the front reflecting surface is connected with the edge of the front central circular transmission surface.

Abstract: A method, computer system, and a computer program product are provided for backup and restoration of data. Data is obtained from a plurality of resources during a plurality of tasks. The resources are located in one or more computing networks. A plurality of parameters are extracted from obtained data. A table is generated and stored that includes the parameters extracted and an associated related task. A predict time is calculated based on the table for recovery of data when any of the resources become unavailable. A task priority is established based on calculated predict time and the table to optimize and improve the predict recovery time. A restoration model is generated based on updated restoration recommendation. The restoration model is to be used during resource unavailability or failure of one or more of the resources.

Abstract: Aspects of the subject disclosure may include, for example, receiving a handover request from a user equipment (UE) device in a mobility network, wherein the handover request identifies a target cell for handing over radio communication with the UE device from a source cell, wherein the identifying is based on the handover request, determining a usage level of the UE device, wherein the usage level comprises one of performance-sensitive traffic and performance-tolerant traffic, selecting an alternative target cell for the handover request, wherein the selecting is responsive to determining a performance-sensitive traffic usage level of the UE device, and initiating a handover operation between the source cell and the alternative target cell. Other embodiments are disclosed.

Abstract: Disclosed are a method, an apparatus, a device, and a medium for image recognition via wireless federated learning. The method for image recognition via wireless federated learning includes: obtaining an image to be recognized and an initial image recognition model; adjusting parameters for the initial image recognition model via a preset accelerated mobile federated learning algorithm according to a target momentum factor to obtain a target image recognition model; and recognizing the image to be recognized through the target image recognition model to obtain text information corresponding to the image to be recognized.

Abstract: Techniques for controlling and/or moving a cursor, such as by using air gestures, are described.

Abstract: Disclosed in the present invention is an electric tool, comprising: a housing, comprising a first opening; working equipment; a power apparatus, at least partially located in the housing and driving the working equipment; a surrounding structure, at least partially surrounding the power apparatus, the surrounding structure defining a second opening; and a blocking structure located between the first opening and the second opening.

Abstract: Embodiments of this application relate to the field of power source control technologies, and disclose a control system and a charging and discharging control system. The control system includes a control circuit and an intermediate computer, where the control circuit includes a pressure sensor, a piezoelectric valve, and a controller; the pressure sensor is configured to collect pressure information; the controller is configured to receive the pressure information collected by the pressure sensor and transmit the pressure information to an intermediate computer; the intermediate computer is configured to transmit the pressure information to an upper computer, receive a preset pressure value generated by the upper computer based on the pressure information, and transmit the preset pressure value to the controller; and the controller is further configured to control the piezoelectric valve based on the preset pressure value.

Abstract: A multi-layer article including a first non-active state and a second active state, the multi-layer article comprising an outer layer having a first side and a second side, an inner layer adjacent to at least a portion of the outer layer and including a volatile material, and an upper layer including a first side and a second side, the first side of the upper layer being adjacent to at least a portion of the inner layer. The multi-layer article is folded upon itself in the first non-active state so that at least a first portion of the second side of the upper layer is disposed on a top of a second portion of the second side of the upper layer, and the first portion and the second portion of the upper layer are heat sealed in the non-active state.

Abstract: The write conversion circuit includes a first latch circuit, provided with a first input terminal, a second input terminal, a third input terminal, a control terminal, and an output terminal. The first input terminal receives first data, the second input terminal receives a first input signal, with the first input signal being generated based on second data, the third input terminal receives an inverted signal of a first identification signal, and the control terminal receives a second identification signal. The first latch circuit is used to select and output either the first data or the second data based on the second identification signal. The first identification signal is an identification signal of a compressed write mode; the second identification signal and the first identification signal together determine a data write mode of the first latch circuit, which includes the compressed write mode and a normal write mode.

Abstract: A monomer composition is made, particularly to prepare a polymer electrolyte precursor composition capable of forming a solid polymer electrolyte. The monomer composition includes A) an alkylene oxide-based monomer and B) a siloxane monomer. A copolymer electrolyte precursor composition is made for preparation of a solid polymer electrolyte. A polymerization method prepares solid copolymer electrolyte. A copolymer, a solid copolymer electrolyte, and a solid-state lithium secondary battery are made. A method to prepare a solid-state lithium secondary battery is developed, and another method improves electrolyte mechanical property, ionic conductivity, and/or cycling performance in a lithium secondary battery by preparing a solid polymer electrolyte the monomer. An electrochemical device and a device are also provided.

Abstract: Provided are a read/write circuit, a read/write method, and a memory. The read/write circuit includes: a write driver circuit, configured to: precharge a data line, and write to-be-written data into the data line; and a control circuit, when in a mask write mode, the control circuit being configured to control the write driver circuit to stop precharging the data line after data read and before data write, and when not in the mask write mode, the control circuit being configured to control the write driver circuit to precharge the data line before data write.

Abstract: A memory is disclosed. An input terminal of a compression circuit receives read data transmitted through transmission paths of multiple data input/output pins, and the compression circuit separately compresses the read data transmitted through the transmission paths of the data input/output pins. A first input terminal of a data input/output selector is connected to an output terminal of the compression circuit, and the data input/output selector receives multiple pieces of compressed data, and is configured to: in a test mode, transmit the multiple pieces of compressed data to any one of the multiple data input/output pins.

Abstract: A computing system includes a memory controller, a central processing unit (CPU), and a random access memory (RAM). The memory controller determines if the computing system is in a low power mode. If the memory controller detects at least one m-channel regions of the RAM has been accessed, the memory controller sends an interrupt to a hypervisor of the CPU. Then the CPU performs page migration to move data in at least one m-channel region of the RAM to at least one n-channel region of the RAM, where m>n. After completing the page migration, the CPU notifies the memory controller.

Abstract: Embodiments of the present disclosure provide a memory, including multiple data input/output pins and a data input/output selector. The multiple data input/output pins are configured to receive or output working serial data when the memory is in a working mode. One of the data input/output pins is a target data input/output pin. The target data input/output pin is configured to receive test serial data when the memory is in a test mode. A first input terminal of the data input/output selector receives the test serial data received by the target data input/output pin. The data input/output selector is configured to: in the test mode, separately transmit, to transmission paths corresponding to one corresponding data input/output pin in the memory, each bit of data in the test serial data received by the target data input/output pin.

Abstract: Computer-readable media, methods, and systems are disclosed for automatic generation of dynamic application trace logs associated with a running application. A log viewer presents application log entries associated with an application execution log having been generated in connection with a previous execution of the running application. The application execution log is analyzed to identify application execution log context descriptors. The application execution log context descriptors are extracted from the application execution log. The application execution log context descriptors are transmitted to the running application. Matching templates that match each of the one or more application execution log context descriptors are received from the running application. The tracing templates that have an associated context relevance score are received from the running application.

Abstract: A composition and a kit for detecting mycoplasma are provided. The composition for detecting mycoplasma is an aqueous solution including a primer M-F, a primer M-R, and a probe M-P. A sequence of the M-F is shown in SEQ ID NO: 1. A sequence of the M-R is shown in SEQ ID NO: 2. A nucleotide sequence of the probe M-P is shown in SEQ ID NO: 3, and includes a fluorophore FAM linked at a 5? terminus and a quencher BHQ1 linked at a 3? terminus. The composition exhibits high sensitivity, strong specificity, and a wide detection range when used in the detection of mycoplasma.

Abstract: A multi-layer article including a first non-active state and a second active state, the multi-layer article comprising an outer layer having a first side and a second side, an inner layer adjacent to at least a portion of the outer layer and including a volatile material, and an upper layer including a first side and a second side, the first side of the upper layer being adjacent to at least a portion of the inner layer. The multi-layer article is folded upon itself in the first non-active state so that at least a first portion of the second side of the upper layer is disposed on a top of a second portion of the second side of the upper layer, and the first portion and the second portion of the upper layer are heat sealed in the non-active state.