Abstract: The present disclosure discloses a data processing method, apparatus, device, and computer-readable storage medium, wherein the method is performed by a transmitting terminal, and the method includes: in response to a type of a data packet to enter a transmission queue of the transmitting terminal being a preset type, determining a timing when the data packet is expected to enter the transmission queue of the transmitting terminal as an expected transmitting timing; and in response to a duration from current timing to the expected transmitting timing being within a preset range, initiating a channel contention operation related to transmitting the data packet, wherein the channel contention operation related to transmitting the data packet includes carrier sensing, waiting for a distributed inter-frame spacing DIFS, and waiting for a back-off window.

Abstract: Provided herein is a potassium-binding polymer prepared by polymerization reaction of a monomer and a crosslinking agent, wherein the monomer is the compound of formula (V), the crosslinking agent is the compound of formula (VI), and/or the compound of formula (VII), wherein the variables are as defined in the specification; to the use thereof for treating or preventing hyperkalemia.

Abstract: The present disclosure relates to a liquid-cooling radiating pipe and a vacuum interrupter with a built-in liquid-cooling radiating pipe, belonging to the field of vacuum circuit breakers. Based on an original structure of an vacuum interrupter, a liquid-cooling radiating pipe of a Tesla valve structure is arranged in a conductive rod of the vacuum interrupter with the built-in liquid-cooling radiating pipe, and liquid metal is used as a circulating coolant in the liquid-cooling radiating pipe, and by using the self-circulating flow of the liquid metal in the pipeline, the capacity of the conductive rod to dissipate heat to the outside is significantly increased, and the problem of excessive internal temperature rise of a vacuum circuit breaker is effectively solved.

Abstract: A water tank assembly including a tank body and a one-way valve is provided. The tank body is defined with a clean water cavity communicated with an external pipeline through a water inlet channel, the external pipeline is capable of transporting water to the clean water cavity. The one-way valve is arranged in the water inlet channel and has a first and a second state. During delivering clean water to the clean water cavity, the one-way valve is in the first state to allow water in the external pipeline to be delivered to the clean water cavity, and when clean water is stopped to supply to the clean water cavity, the one-way valve is changed to the second state to restrict the water in the water inlet channel flowing out, such that outflow of the clean water from the water inlet channel is blocked when the external pipeline is removed.

Abstract: An early warning method for safety production risk of tailings pond based on risk ranking is provided. The early warning method includes: monitoring and collecting internal basic data of a tailings pond in real-time, and performing a basic monitoring and a basic early warning; collecting geographical location data, meteorological data, and historical geological disaster data of an area where the tailings pond is located; performing risk ranking on a safety production risk of the tailings pond, thereby obtaining a risk level of the tailings pond; and collecting case data of global tailings pond accidents and hazard degree data thereof, acquiring accident solution strategies for the global tailings pond accidents, performing management and monitoring on the tailings pond, setting parameters in a process of the basic monitoring, and performing a ranked early warning on the safety production risk of the tailings pond based on the risk level.

Abstract: Provided is a method for detecting ammonia nitrogen content by using a nitrification biological reaction. In the present disclosure, the nitrifying microorganisms have high specificity for ammonia nitrogen, a metabolism and oxygen consumption capacity closely related to the ammonia nitrogen concentration, high accuracy and high sensitivity of ammonia nitrogen detection, and are not easily disturbed by water body chromaticity, suspended matters, and the like. In addition, the activity of the nitrification microorganism membrane reactor can be kept stable for a long term, and the stability of a sensor is good for long-term use. In the present disclosure, with a mono-component or multi-component solution containing inorganic nitrogen and inorganic carbon as a nitrification nutrient solution, a nitrification microorganism membrane with strong adaptability to the environment, a stable structure, a high selectivity for ammonia nitrogen, and an ability of efficiently degrading ammonia nitrogen can be obtained.

Abstract: A video playing method and apparatus are described that implement an adaptively varied playing speed, and meet a playing setting of a user, thereby improving viewing experience of the user in a video played at an adaptively varied speed. The method includes obtaining a first playing speed and obtaining first information. The first information includes image information of a video and/or voice information of the video. The method further includes playing the video at a second playing speed that is obtained based on the first playing speed and the first information.

Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.

Abstract: An early warning method for safety production risk of tailings pond based on risk ranking is provided. The early warning method includes: monitoring and collecting internal basic data of a tailings pond in real-time, and performing a basic monitoring and a basic early warning; collecting geographical location data, meteorological data, and historical geological disaster data of an area where the tailings pond is located; performing risk ranking on a safety production risk of the tailings pond, thereby obtaining a risk level of the tailings pond; and collecting case data of global tailings pond accidents and hazard degree data thereof, acquiring accident solution strategies for the global tailings pond accidents, performing management and monitoring on the tailings pond, setting parameters in a process of the basic monitoring, and performing a ranked early warning on the safety production risk of the tailings pond based on the risk level.

Abstract: This application discloses an application switching method. In the method, an electronic device may separately display interfaces of corresponding applications by using a plurality of floating windows. When a quantity of floating windows is greater than a preset quantity, and the electronic device detects that a new floating window is opened, the electronic device may switch the first displayed floating window to a form of a floating ball, and add a new floating window. In addition, the electronic device may switch the one or more floating windows to one or more corresponding floating balls for display. When detecting a sliding operation input by the user, the electronic device may switch a current floating window to a corresponding floating window on which the minimization operation is first or last performed. In this way, the electronic device can simultaneously display a plurality of applications, and quickly switch any one of the applications.

Abstract: This application discloses a display adjustment method and apparatus. One example method includes: A display adjustment apparatus may obtain sensing information, where the sensing information is used to determine a facial area of a target user. The display adjustment apparatus may further adjust, based on a position of the facial area, a position of a display corresponding to the target user, so that an adjusted position of the display is suitable for the user to view.

Abstract: A scene reproduction test method, apparatus, device and program product of an autonomous driving system are provided by the present application. The method includes: obtaining problematic scene data generated during a test on an autonomous driving vehicle equipped with a first autonomous driving system, and determining key obstacle information and non-key obstacle information according to the problematic scene data; generating, according to the non-key obstacle information, a virtual obstacle model, and determining, according to the key obstacle information, a real device used to simulate a key obstacle; where the real device is a device that actually exists in a test environment; performing, by utilizing the virtual obstacle model and the real device, a reproduction test on an autonomous driving vehicle equipped with a second autonomous driving system. In the solution, the test object is a real autonomous driving vehicle, and the key obstacle is a real device.

Abstract: The present invention relates to the field of device calibration technologies and discloses a sliding apparatus and an automobile calibration device. The sliding apparatus includes: a guide rail, which includes a first surface and a second surface that are perpendicular to each other, where the first surface is provided with a first sliding groove and the second surface is provided with a second sliding groove, the first sliding groove and the second sliding groove being disposed in parallel; and a plate body, a first sliding member and a second sliding member, where the first sliding member and the second sliding member are installed on the plate body. The first sliding member is movably installed in the first sliding groove and the second sliding member is movably installed in the second sliding groove, so that the plate body is slidable along the guide rail.

Abstract: The present invention relates to the field of automobile maintenance and device calibration technologies, and discloses a clamping apparatus and an automobile calibration device. The clamping apparatus includes a fixing plate, a fixing block and a tension knob. The fixing block includes a fixing block body and a locking spring piece. The fixing block body is installed on the fixing plate. A receiving cavity is enclosed by the fixing block body and the fixing plate. The locking spring piece is located in the receiving cavity. The tension knob is installed on the fixing block body. The tension knob is capable of rotating relative to the fixing block body, to extend inside the receiving cavity and to abut against the locking spring piece. When a to-be clamped and calibrated apparatus is inserted in the receiving cavity, the tension knob may push the locking spring piece to abut against the to-be clamped and calibrated apparatus.

Abstract: The present invention relates to the field of vehicle correction, and provides a calibration system and a calibration bracket thereof. The calibration bracket includes: a base, a stand assembly and a beam assembly. The stand assembly is fixedly connected to the base. The beam assembly includes a first beam portion, a second beam portion and a connecting portion, the connecting portion being mounted to the stand assembly, one end of the connecting portion being hinged to the first beam portion, and the other end of the connecting portion being hinged to the second beam portion. The first beam portion and the second beam portion can respectively rotate toward each other relative to the connecting portion, so that the beam assembly can be folded. The first beam portion and the second beam portion can also respectively rotate away from each other relative to the connecting portion, so that the beam assembly can be unfolded.

Abstract: A radio frequency front-end module, a manufacturing method thereof and a communication device are provided. The radio frequency front-end module includes a first base substrate and a metal bonding structure; a second functional substrate, including a second base substrate, a groove in the second base substrate, and a bonding metal layer; and a first radio frequency front-end component, at least partially located in the groove, the first base substrate and the second base substrate are oppositely arranged, and a surface of the second base substrate close to the first base substrate includes a groove surface inside the groove and a substrate surface outside the groove, and the bonding metal layer includes a first metal portion located on the groove surface and a second metal portion located on the substrate surface, the first radio frequency front-end component is at least partially surrounded by the first metal portion.

Abstract: The present invention relates to the technical field of vehicle maintenance and device calibration, and discloses a vehicle-mounted radar calibration device and method. The vehicle-mounted radar calibration device includes a bracket apparatus and a radar calibration component. The radar calibration component is configured to be installed on the bracket apparatus and includes a base board. After calibration on the vertical plane of the base board is completed, the radar calibration component is configured to reflect a radar wave, emitted by a vehicle-mounted radar of a to-be-calibrated vehicle, to the vehicle-mounted radar, to calibrate the vehicle-mounted radar. In the present invention, after the vertical plane of the base board is calibrated, the radar calibration component is used to reflect the radar wave emitted by the vehicle-mounted radar to the vehicle-mounted radar.

Abstract: A detection system and method for rotor dynamic turn-to-turn short circuit fault of synchronous generator are disclosed. The system includes a motor, a synchronous generator, a current transformer, an acquisition card, an infrared temperature sensor, a temperature acquisition instrument and a control terminal. The rotor winding dynamic turn-to-turn short circuit fault of synchronous generator is detected and located by measuring the double judgment standards of the temperature signal of rotor winding and the three-phase current signal of stator winding. The method is easy to operate and has high sensitivity. The detection and location process of the fault is efficient and reliable. The dynamic turn-to-turn short circuit fault can be detected in the early stage of the formation of rotor static turn-to-turn short circuit, so as to reduce the loss of power plant fault shutdown and better meet the needs of practical application.