Abstract: A display device is provided. The display device includes a plurality of display modules, wherein each of the plurality of display modules comprises a display component and a signal processing component; and the plurality of display modules comprise a first display module, the first display module including a first display component and a first signal processing component; wherein the first signal processing component comprises a first communication interface, a second communication interface, and a first processor, wherein the first processor is configured to determine, according to a cascade rule of the plurality of display modules, address information of display modules other than the first display module, and output the address information of other display modules via the second communication interface.

Abstract: An integrated railway movement dispatching and train operation control method, comprising: sensing in-transit information of a signal system; constructing an integrated railway movement dispatching and train operation control minimum system; optimizing a time-saving train driving strategy online; optimizing a multi-train driving strategy in a virtual formation mode; and generating an integrated railway movement dispatching and train operation control adjustment solution.

Abstract: Provided by the present disclosure is a power distribution box having a data interaction function, comprising a moving mechanism, a control mechanism and a data interaction mechanism. The moving mechanism comprises an electric valve and an electric telescopic rod. The control mechanism comprises a main control single-chip microcomputer and a control panel. The data interaction mechanism comprises a power distribution box tester and an output port. The electric valve is electrically connected to the main control single-chip microcomputer and is arranged at the bottom of the power distribution box. The control panel is arranged on a support rod and is electrically connected to the main control single-chip microcomputer. The power distribution box tester is electrically connected to the main control single-chip microcomputer and is arranged in the power distribution box, and the power distribution box tester is used for testing electrical devices of the power distribution box.

Abstract: A current collector disk and a battery. The current collector disk includes a disk body on which a plurality of infiltration holes is provided. The infiltration holes penetrate through the disk body in a direction of a thickness of the disk body. The disk body has a first side surface and a second side surface which are oppositely disposed. The first side surface is recessed with a plurality of grooves. At least one end of each of the plurality of grooves communicates with a respective one of the plurality of infiltration holes. The battery includes the current collector disk described above.

Abstract: This application discloses a calibration method, a calibration system, and a calibration board. The calibration board includes checkerboard cells arranged on a surface of the calibration board, where at least one dot is arranged in each of the checkerboard cells, the dots of the calibration board include at least a first feature dot and a second feature dot, the first feature dot and the second feature dot are arranged in the checkerboard cells according to a random rule or a specific rule, and a diameter of the first feature dot is greater than a diameter of the second feature dot. The calibration board in this application improves the stability and accuracy of calibration board detection by utilizing characteristics such as a high detection accuracy and a strong anti-blur capability of a dot mark, combining with corner points of checkerboard cells.

Abstract: A cap includes: a cap body; a pole; and a sealing nail. The pole is connected to the cap body. The pole defines a slot; a plane in which an upper surface of the pole is located is defined as a first plane; a slot wall includes a first section face; the first section face is connected to the first plane; an angle between the first section face and the first plane is ?2. The sealing nail is arranged in the slot and welded to the pole. A plane in which an upper surface of the sealing nail is located is defined as a second plane; a side wall of the sealing nail includes a first portion face; the first portion face is connected to the second plane; an angle between the first portion face and the second plane is ?1. The angle ?1?the angle ?2.

Abstract: A tactile feedback method includes: determining a touch state; selecting a fitting waveform corresponding to the touch state according to the touch state; and providing an electrical signal to the tactile feedback apparatus according to the fitting waveform, so as to enable the tactile feedback apparatus to vibrate. A method for obtaining the fitting waveform includes: obtaining a touch simulation mechanical curve, and fitting the touch simulation mechanical curve to obtain the fitting waveform of the electrical signal to be provided to the tactile feedback apparatus.

Abstract: Provided are a communication network switching apparatus, a communication network switching system, and a communication network switching method. The apparatus includes a first communication network interface, a second communication network interface, a processor, a communication network switch, and a device access interface. The communication network switch is configured to switch, according to the control signal of the processor, the connection manner with the first communication network interface and the second communication network interface and connect the first communication network or the second communication network to the processor. The processor is connected to the device access interface and is configured to connect a target communication network connected through the communication network switch to a target device connected to the device access interface.

Abstract: The disclosure relates to a method, an apparatus for traffic congestion control, a computer-readable medium, and an electronic device. The method includes: allocating a network card bandwidth to a virtual machine on a same physical machine, where the network interface of the virtual machine is used for transmitting traffic of first and second transmission protocols; for any virtual machine on the physical machine, dividing a total bandwidth of the virtual machine into a first bandwidth, a second bandwidth, and a buffer bandwidth, where the first bandwidth is used to transmit traffic of the first transmission protocol, and the second bandwidth is used to transmit traffic of the second transmission protocol; and reallocating a bandwidth of the first and second transmission protocols based on the actual bandwidth used by the first and second transmission protocols.

Abstract: The present disclosure provides a method and device for performing signal communication based on a levitated particle. In one example, the method includes: preparing a levitated state of the particle; regulating and measuring a net charge quantity carried by the levitated particle; calibrating electromagnetic response characteristics of the levitated particle; applying an electromagnetic communication signal; obtaining and demodulating the electromagnetic communication signal.

Abstract: A current sensor includes: four first uniaxial TMR chips and at least two second uniaxial TMR chips, each first uniaxial TMR chip and each second uniaxial TMR chip being located on the same virtual ring, wherein magnetic sensitive directions of the four first uniaxial TMR chips are perpendicular to a radius of the virtual ring, magnetic sensitive directions of two adjacent first uniaxial TMR chips are perpendicular to each other, magnetic sensitive directions of the two second uniaxial TMR chips are parallel to the radius of the virtual ring and opposite to each other, and the two second uniaxial TMR chips respectively have the same positions as two first uniaxial TMR chips; each first uniaxial TMR chip and each second uniaxial TMR chip are configured to collect a magnetic induction intensity, the magnetic induction intensity is configured to calculate a target current value of a to-be-measured wire.

Abstract: A nucleoside triphosphate photoaffinity probe, method for preparing same, and applications thereof. The nucleoside triphosphate photoaffinity probe is a novel small molecule activity probe for detecting nucleoside triphosphate-binding proteins and is based on the structure of nucleoside triphosphates (GTP and ATP) connected to a smaller photoaffinity side chain modification. This probe can effectively label nucleoside triphosphate-binding proteins in cell lysates for high-throughput proteomics analysis, identify and analyze the binding sites of the probe, and can also be used to analyze the action sites of nucleoside triphosphate competitive inhibitors, thus having significant practical application value.

Abstract: A floorboard connecting base and a floorboard connecting structure are disclosed in the application. The floorboard connecting base includes a base body, a convex part and a limiting part. The convex part is located at an end of an upper surface of the base body. The limiting part is located at the upper surface of the base body, and is spaced from the convex part to form an installation groove for inserting a floorboard unit, and a free end of the limiting part is bent in a direction towards the convex part to form a step block for limiting the floorboard unit. The floorboard connecting structure according to the disclosure is of a locking type, so it can be paved without glue due to a locking force, which is environment-friendly. A whole structure may extend all around with change of temperature, and there will be no uplift or cracking.

Abstract: A floorboard unit and a floorboard connecting structure are disclosed in the application. The floorboard unit includes a floorboard body and a connecting post. The connecting post is located at an end edge of a lower surface of the floorboard body, and an end of the connecting post is provided with a hooking part folded in a direction toward an end of the floorboard body, and the hooking part is of an approximate trapezoidal structure, and the hooking part is provided with an introduction sloping face for auxiliary clamping. The floorboard connecting structure according to the disclosure is of a locking type, so it can be paved without glue due to a locking force, which is safe and environment-friendly. A whole structure may extend all around with change of temperature, and there will be no problems such as uplift or cracking due to the change of temperature.

Abstract: Some embodiments of this application provide an injection nozzle and an injection apparatus containing same. The injection nozzle includes a body, an injection pipe, and a baffle. The body contains a channel arranged along a height direction of the injection nozzle. A first outlet is disposed at a lower part of the channel. The injection pipe is threaded through the channel in a manner of reciprocating movement along the height direction. The baffle is connected to the body and configured to cover the first outlet when a lower end portion of the injection pipe is higher than the first outlet, and be propped open by the injection pipe when the lower end portion of the injection pipe is lower than the first outlet.

Abstract: A current collecting plate and a battery are provided in the present application, where the current collecting plate is applied to a battery including a battery cell and a housing, the current collecting plate includes a plate body and a buffer part, and at least two buffer parts are provided, each of the buffer parts is bent to form an abutment part, the abutment part is protruded from a side of the plate body away from the battery cell, the abutment part abuts against the housing, and one end of either of two adjacent ones of the buffer parts is connected through a weak part, and another end of the buffer part away from the weak part is connected with the plate body.

Abstract: The disclosure belongs to the technical field of organic photoelectric materials, and discloses carbonyl containing organic electroluminescent materials and use thereof in OLED. The carbonyl containing organic electroluminescent materials have a structure of formula I, wherein R1 and R2 are different in Formula I, R1 and R2 are different electron-donating groups of aromatic ring derivatives; R1 is an electron-donating groups of hole transport host materials or electron-donating groups of bipolar transport host materials. The luminescent materials of the present disclosure are organic electroluminescent materials based on derivatives of a host material and a benzoyl group. They have both AIE and delayed fluorescence characteristics with high-efficiency solid-state emission, high exciton utilization, and bipolar features.

Abstract: The present application provides a top cap assembly and a battery structure. The battery includes a housing including a mounting hole, and the top cap assembly passes through the mounting hole of the housing. The top cap assembly includes a pole, a sealing element, and a plastic element. The pole is provided with an annular groove recessed in a radial direction. The sealing element is sleeved on the pole and positioned in the annular groove. The sealing element is sandwiched between the housing and a groove wall of the annular groove, and the sealing element is partially positioned outside the housing. The plastic element is sleeved on the sealing element and positioned outside the housing, and the plastic element is partially sandwiched between the housing and the groove wall of the annular groove.

Abstract: Provided herein is a method for preparing a flat-surfaced MAPbBr3 perovskite block and a use thereof. The preparation steps include: preparing a mixed solution formed by adding MABr and PbBr2 to a DMF solution; preparing a nickel foam mesh with the precursor solution; removing excess reaction liquid from the nickel foam mesh; and drying the nickel foam mesh to obtain the flat-surfaced MAPbBr3 perovskite block. It employs a solution-based method to fabricate MAPbBr3 perovskite on a nickel foam mesh, resulting in flat-surfaced MAPbBr3 perovskite blocks. The prepared perovskite can be utilized in the fields of solar cells, LEDs, and photoelectric hydrolysis. The method is simple and easy to operate, by using a solution-based method on a nickel foam mesh, flat-surfaced perovskite blocks can be formed, and the flat surface is beneficial for light absorption and energy conversion, thus enhancing the performance of the sample.

Abstract: Provided are a video stream processing method and apparatus, an electronic device and a computer-readable medium, which relate to the field of Internet technology. An exemplary method includes: storing a video frame in an original video stream in a first buffer area by calling a video stream processing interface of a video stream processing tool; processing the video frame in the first buffer area by means of a video frame processing model to obtain a processed video frame; and on the basis of the processed video frame, generating a standard video stream corresponding to the original video stream. By means of the embodiments of the this application, the software complexity of video stream processing is effectively reduced, and the speed of video stream processing is effectively improved.