Abstract: A wheeled work vehicle includes: a walking mechanism including walking wheels and a walking motor for driving the walking wheels; a work mechanism for performing a function of the wheeled work vehicle; a power supply assembly at least configured to power the walking motor; a temperature acquisition unit at least configured to acquire an operating temperature of the walking motor; a driver circuit connected to at least the walking motor to drive the walking motor; and a controller electrically connected to the temperature acquisition unit and the driver circuit, where the controller is configured to output a target instruction to the driver circuit so as to control an input signal of the walking motor. The controller is further configured to, when a parameter of the walking motor related to the operating temperature exceeds a preset range, adjust the target instruction to gradually reduce the input of the walking motor.

Abstract: An anti-cavitation damping composite metal structure for a flow passage component and a preparation method thereof are provided. The preparation method includes: cladding a gradient functional material layer by layer on a substrate of a flow passage component; forming periodic structures on a surface of each layer of the gradient functional material through etching by an ultrafast laser to absorb a part of an impact load energy caused by cavitation of the flow passage component, where the layers of the gradient functional material form a gradient coating with a toughness increasing layer by layer and a hardness decreasing layer by layer from bottom to top; and forming nano twins on a surface layer by a laser shock peening technique, and implanting a residual compressive stress to further improve anti-cavitation resistance of a surface.

Abstract: The present invention relates to the technical field of organic chemical engineering, and in particular to a key intermediate for synthesizing prostaglandin compounds and a preparation method therefor. When applied to the synthesis of prostaglandin compounds, the process flow is simplified, the yield and product purity are improved, the production costs are reduced, and the industrial application is easy.

Abstract: A method and an apparatus are provided for determining a network device receiving a first signal and at least one second signal, wherein the first signal carries data to be sent through a first flexible Ethernet interface. A first physical layer clock is determined based on the first signal. A second physical layer clock is determined based on the at least one second signal or the first physical layer clock and the at least one second signal. The first physical layer clock or the second physical layer clock is used as a sending clock of a non-flexible Ethernet interface. The network device includes the first flexible Ethernet interface and the non-flexible Ethernet interface.

Abstract: The embodiments of the present disclosure provide a liveness detection circuit, a liveness detection method and a biometric recognition device. In which, the liveness detection circuit includes a signal generation module, and a detection module with an induction assembly; wherein the signal generation module is configured to generate a first voltage signal; and the detection module is configured to detect a second voltage signal generated when an object to be detected approaches the induction assembly, based on the first voltage signal, and judge whether the object to be detected is alive based on the first voltage signal and the second voltage signal. By disposing the induction assembly, the detection module may detect whether the object to be detected is active through a non-contact detection solution, thereby improving the security and the reliability of the biometric detection.

Abstract: In a method for acetylene hydrochlorination to vinyl chloride catalyzed by ultra-low content aurum-based material, a nitrogen-modified activated carbon support is obtained by using 1,10-phenanthroline as a modifier. A trace amount of aurum is used as a main active component and an organic solvent with a low polarity and a low boiling point, isopropanol, is used as a solvent. An ultra-low content of aurum-based catalyst with the aurum loading amount of 0.01 wt % using the above nitrogen-modified activated carbon as a support is prepared by improving the synthesis procedure, and the efficiency of the catalyst is significantly improved. The catalyst has high activity and vinyl chloride selectivity for acetylene hydrochlorination to vinyl chloride, which is low cost, no mercury pollution, simple in preparation process and expansibility, and has great industrial application value.

Abstract: A service processing method and apparatus and a device is disclosed. Synchronization headers of four 66b code blocks are removed, and a 1-bit code block type indication is added as control information of service data, to be encoded as a 257b code block. This avoids a bandwidth waste caused by the synchronization headers, and improves bandwidth utilization. When a 257b code block stream is mapped to an OSUflex frame, the code block type indication is mapped to an overhead area of the OSUflex frame, the four 66b code blocks from which the synchronization headers are removed are mapped to a payload area of the OSUflex frame, and check information obtained by checking the control information is mapped to the overhead area of the OSUflex frame, so that bit error protection is performed on the control information.

Abstract: A use of Apicidin combined with Bevacizumab in preparing a drug for treating cervical cancer is provided. Studies have shown that Apicidin increases the sensitivity of cervical cancer cells to the targeted drug Bevacizumab. The combined use of Apicidin and Bevacizumab can more effectively inhibit the growth of cervical cancer cells and enhance the ability to induce apoptosis of cervical cancer cells, showing a good synergistic effect. Therefore, the use prospects of Apicidin combined with the targeted drug Bevacizumab are huge, which provides a more effective and feasible solution for the clinical treatment of cervical cancer, and proposes a new theoretical basis for the combined treatment of clinical cervical cancer recurrence and drug resistance.

Abstract: The present application provides a method and apparatus for cross-network converged transmission based on network coding and relates to the field of communication technologies. The method initially includes selecting an encoding method based on an application type and encoding original packets to obtain a plurality of to-be-transmitted packets. A network status is obtained and a scheduling scheme is determined based on the network status. Weights of links for transmitting the plurality of to-be-transmitted packets are adjusted based on the scheduling scheme. In the present application, the encoding method is selected based on the application type such that cross-network converged transmission can be completed based on network coding. This reduces latency while improving data transmission bandwidth.

Abstract: The present invention discloses a preparation method for an activated coke catalyst capable of simultaneously removing NO, SO2, and HCl. The method includes: step 1: crushing and sieving activated coke to obtain coke particles with a particle size of 40-60 microns; step 2: putting the activated coke in an oxidizing agent, stirring at 80° C. for 8 h to allow for a thorough mixing and reaction, washing the activated coke obtained after the reaction until a neutral pH is reached, and drying to obtain activated coke with oxygen-containing functional groups; and step 3: impregnating, by equivalent-volume impregnation, the activated coke with oxygen-containing functional groups obtained in step 2 with a copper nitrate trihydrate aqueous solution for 24 h, drying, and putting the activated coke in a resistance furnace, and introducing argon for calcination to obtain the activated coke catalyst capable of simultaneously removing NO, SO2, and HCl.

Abstract: Embodiments of this application provide a data transmission method and an apparatus, and are applied to an optical transport network. The method includes: A sending device obtains service data, maps the service data to a data frame, and sends the data frame to a receiving device. The data frame includes an overhead area and a payload area, the payload area includes a plurality of blocks, the overhead area includes indication information, and the indication information indicates whether a block in the plurality of blocks in the payload area is a rate compensation block.

Abstract: Embodiments of the present invention provide a method and an apparatus for transmitting and receiving a client signal in an optical transport network. In the transmission method, a received client signal is mapped into a variable-rate container OTU-N, wherein a rate of the OTU-N is N times as high as a preset reference rate; and then, the variable-rate container OTU-N is split into N optical sub-channel transport units OTUsubs by column, where a rate of each OTUsub equals to the reference rate; next, the N optical sub-channel transport units OTUsubs are modulated onto one or more optical carriers; at last, the one or more optical carriers is transmitted through a fiber.

Abstract: The present disclosure provides a method for controlling a fingerprint identification circuit. The method is used for detecting fingerprint recognition units arranged in an array. A fingerprint recognition unit is connected to a fingerprint recognition circuit. The fingerprint recognition circuit includes a loop selection unit and a signal processing unit. The method includes: resetting the fingerprint recognition circuit to enable the loop selection unit to load a first driving voltage to a sensing electrode; and, controlling a state of the loop selection unit through a sequence signal control to enable the fingerprint recognition units arranged in an array to be in different working states.

Abstract: Disclosed is an electrical topology of an integrated DC charging station and an operation control method. The electrical topology comprises a supply side DC bus, K discrete charging pile units and a mutual aid total DC bus; each charging pile unit comprises an input DC bus, a mutual aid sub-DC bus, an output DC bus, N isolation branches, a non-isolation DC/DC module and an output terminal, the input DC bus is connected to the supply side DC bus, and the mutual aid sub-DC bus of each charging pile unit is connected to the mutual aid total DC bus; the isolation branch comprises an output branch and a mutual aid branch; and when all the output branches of one charging pile unit are started and the output power cannot meet the required power, the mutual aid branches of other charging pile units are started to meet the required power.

Abstract: Embodiments of this application disclose a transmission frame mapping and demapping method and a related device. The method in embodiments of this application includes the following steps: first, obtaining a plurality of first code block streams, where the plurality of first code block streams belong to a same service, and each of the plurality of first code block streams includes a plurality of code blocks; then, performing code block-based interleaving on the plurality of first code block streams, to obtain a second code block stream; next, mapping the second code block stream to a transmission frame, and inserting indication information into the transmission frame, where the indication information is used to determine a location of the second code block stream in the transmission frame; and further, sending the transmission frame.

Abstract: A size of a service container is adjusted with bandwidth (or a rate) of an optical service unit (OSU) frame. When determining that bandwidth of service data needs to be resized, a source node updates a value of a first indication in a data unit frame to indicate a bandwidth resize location, and may further determine an actual start location of bandwidth changing based on the bandwidth resize location, to map a part that is in the data unit frame and that is located before the actual start location to a service container before resizing, and map a part that is in the data unit frame and that is located after the actual start location to a service container before resizing.

Abstract: In accordance with an embodiment, a method includes obtaining service data; mapping the service data into a payload area of a service frame, mapping the service frame into a payload area of a data frame, and sending the data frame. The service frame includes an overhead area and the payload area; the overhead area of the service frame includes a plurality of frame header indication overhead fields; each of the plurality of frame header indication overhead fields comprises a first field; and the first field represents a ranking of each frame header indication overhead field in the plurality of frame header indication overhead fields.

Abstract: Embodiments of this application provide a signal frame processing method and a related device. A sink node performs delay compensation on a received service, so that delay variation generated in a transmission process of the service can be effectively eliminated. The method in embodiments of this application includes the following steps. First, the sink node receives a signal frame. A payload area of the signal frame is used to bear a target service, and an overhead area of the signal frame includes a node quantity field. Then, the sink node determines, based on the node quantity field, a quantity of nodes through which the target service passes during transmission. Further, the sink node performs delay compensation on the target service based on the quantity of nodes.

Abstract: A display driver circuit and a control method therefor, and a display device are disclosed. The display driver circuit includes: at least one first scan driving circuit, the at least one first scan driving circuit including: a plurality of first shift registers arranged in cascade, the first shift register including a register input terminal and a register output terminal, and the first shift registers are configured to output a plurality of scan signals; and at least one cascade control module, the at least one cascade control module being connected between a current-stage register output terminal and a next-stage register input terminal, and the at least one cascade control module being connected to a cascade control signal.

Abstract: An inter-processor communication method, an electronic assembly, and an electronic device are provided. The electronic device at least includes a first core and a second core. A plurality of communication channels is defined between the first core and the second core. Each of the plurality of communication channels having a communication performance different from each other. The inter-processor communication method includes: acquiring to-be-transmitted data, the to-be-transmitted data is data transmitted between the first core and the second core; acquiring a corresponding communication channel corresponding to the to-be-transmitted data from the plurality of communication channels as a target communication channel; transmitting the to-be-transmitted data via the target communication channel.