Abstract: The present application provides a vehicle tracking method and apparatus, a communication unit, and a storage medium. The method includes the following: A vehicle position in a curvilinear coordinate system at a moment corresponding to a target data frame is predicted according to state information of a historical data frame; a beamforming vector is determined according to the vehicle position; a beam is sent based on the beamforming vector, and an echo is received; and state information of the target data frame is determined based on an extended Kalman filtering algorithm and a measurement parameter of the echo, where the state information of the target data frame includes the corrected vehicle position.

Abstract: The present disclosure provides the use of ?-1,3-glucan synthase like 5 (GSL5) for the improvement of the clubroot resistance in cruciferous crops as well as related products development, belonging to the area of molecular engineering for plant breeding. GSL5 gene is highly conserved in cruciferous plants and mutation of GSL5 can confer a broad-spectrum and high clubroot resistance to the cruciferous crops, demonstrating that molecular engineering of GSL5 can achieve the improvement of the clubroot resistance in cruciferous crops. The present disclosure provides a key gene and techniques for the improvement of the clubroot disease resistance and durable prevention and control of the clubroot disease in cruciferous crops.

Abstract: A chip liquid-cooling heat-dissipation structure, a manufacturing method therefor, and an electronic device are disclosed. The chip liquid-cooling heat-dissipation structure may include a bare chip and a cover plate. The bare chip is provided with a chip body, and a plurality of microchannels are etched on a surface of the chip body. The cover plate is configured to cover the microchannels. The cover plate is detachably connected to the bare chip, and is provided with an inlet and an outlet. The microchannels are communicated with the inlet and the outlet.

Abstract: A gapless ferrite structure for circulator or isolator includes a first base having a first flange and a first limit slot surrounded by the first flange, a second base having a second flange and a second limit slot surrounded by the second flange, a ferrite with two ends accommodated in the first limit slot and the second limit slot respectively, two limit magnets installed on the first base and the second base respectively and configured to be corresponsive to the ferrite to generate an attraction force on the ferrite, and two sealing units configured between an end of the ferrite and the first limit slot and between the other end of the ferrite and the second limit slot respectively. In this way, a gapless structure can be formed on a signal transmission path in a circulator or isolator.

Abstract: A resin slurry for a fractured-vuggy formation and the preparation and use thereof, which belong to the field of drilling fluid lost circulation control. The resin slurry plugging system is composed of the following raw materials in mass percentage: 20%-40% of composite resin plugging agent, 0.5%-5.0% of consolidating agent, 0.5%-5.0% of flow pattern regulator, 0.3%-1.2% of cross-linking agent, 0.3%-1.2% of retarder, 3%-12% of filling agent, and the balance of water. The plugging system has a certain fluidity under low-temperature conditions, is easy to be injected into the formation, and can fill a lose channel of a fractured-vuggy reservoir. The consolidating time of the plugging system is controllable, and the construction conditions are safe. The plugging system forms a three-dimensional cross-linked network structure consolidation after cross-linking and consolidating under high-temperature conditions of the formation.

Abstract: An electronic component includes a casing and an electronic element. The casing includes a bottom plate, a backplate, a first protrusion and a second protrusion. The bottom plate has a first surface. The backplate is connected with the bottom plate and perpendicular to the bottom plate. The backplate has a third surface and a fourth surface. The third surface and the fourth surface are opposite to each other. The first protrusion and the second protrusion are extended from the third surface of the backplate toward a direction parallel to the bottom plate, respectively. The electronic element is disposed on the first surface of the bottom plate and adjacent to the third surface of the backplate. The bottom plate, the backplate, the first protrusion and the second protrusion are disposed around the electronic element.

Abstract: A heat dissipation assembly and a heat dissipator are disclosed. The heat dissipation assembly may include: a base plate bottom; a base plate cover connected to the base plate bottom and forming a heat collection cavity for concentrating heat; a turbulation component provided in the heat collection cavity, the turbulation component comprising at least one turbulation piece; and a plurality of heat dissipation components connected to the base plate cover, wherein the heat dissipation components are provided with at least one heat dissipation pipeline, the heat dissipation pipeline is provided in communication with the heat collection cavity.

Abstract: A system and method for testing two-phase liquid cooling are disclosed. The system may include, a liquid storage tank; a power pump having an inlet in communication with an outlet of the liquid storage tank; a regenerator having a first loop and a second loop and a first regulating valve; a preheater and a second regulating valve; a liquid outlet port and a liquid outlet valve; a liquid inlet port and a liquid inlet valve; and a condenser having an inlet in communication with an outlet of the second loop.

Abstract: Disclosed are a heat dissipation apparatus and an electronic device. The heat dissipation apparatus includes a first cooling plate, provided with a through hole arranged to be connected to an inlet pipe and an outlet pipe; a second cooling plate, with a heat dissipation cavity formed between the first cooling plate and the second cooling plate and in communication with the through hole; and a retractable floating component, connected to the second cooling plate for floating heat dissipation of the second cooling plate.

Abstract: A method and apparatus for maintaining a communication connection is applicable into an electronic device, the electronic device supports running of a first system and a second system, and the method includes: sending, by the first system, a heartbeat packet to an external device based on the heartbeat packet sending request, wherein the heartbeat packet is configured to maintain a communication connection between the electronic device and the external device; and receiving, by the first system, a heartbeat feedback packet sent by the external device. An electronic device, and a non-transitory computer-readable storage medium are further provided.

Abstract: A device connection method, a device, and a storage medium. The method is performed by an electronic device; wherein the electronic device supports operation of a first system and a second system. The method includes: sending, by the second system, a wireless scanning request to the first system; performing, by the first system, wireless signal scanning based on the wireless scanning request; sending, by the first system, a connection establishment request to the second system in a case where a target wireless signal is scanned and detected; and establishing, by the second system, a wireless communication connection with a target external device based on the connection establishment request; wherein the target external device is an external device that transmits the target wireless signal.

Abstract: The present disclosure relates to compositions, methods and kits for enhancing ribosomal activities in a host cell, especially improvement of the translation activity of heterologous ribosomes within a host cell. Specifically, the instant disclosure provides a number of evolved rRNA sequences, which were remarkably identified to possess enhanced translation activities, improved orthogonal-ribosome binding site (o-RBS) and orthogonal anti-ribosome binding site (o-antiRBS) sequences, host cells possessing deletion or disruption of ribosome hibernation promoting factor (HPF) that thereby exhibit enhanced propagation of selection phage constructs during (PACE), among other aspects. New transgenic organisms harboring heterologous ribosomes and operons are also provided.

Abstract: A cross-coupling structure for dielectric cavity filters includes a base and a tuner. The base is communicated with plural resonant cavities, a side through hole and a blind hole, and has a first channel formed between two adjacent resonant cavities which are not used for producing cross-coupling, and a second channel the resonant cavities formed between two adjacent resonant cavities which are used for producing cross-coupling. The side through hole is penetrated through the base and communicated with the second channel. The blind hole is formed on a wall of the second channel and has an opening facing the side through hole. The tuner is entered into the second channel from the side through hole and extended into the blind hole and can be adjustably moved between the opening of the blind hole and the bottom of the blind hole to set a cross-coupling amount target value.

Abstract: The embodiments of the disclosure discloses an automatic recycling and charging nest for a vertical take-off and landing unmanned aerial vehicle, including a cabin body and an openable and closable top cover installed on the top of the cabin body, wherein an inner cabin is further installed in the cabin body, the height of the inner cabin is the same as that of the cabin body, a rotating mechanism is further arranged inside the inner cabin, a clamping and centering device is installed on the top of the inner cabin, and a locking and charging device is further installed on the clamping and centering device; and the locking and charging device includes a base connected with the clamping and centering device, and a pneumatic hydraulic clamp for charging connected to the base.

Abstract: A pump-driven two-phase liquid cooling system, and a liquid supplementation control method for a pump-driven two-phase liquid cooling system are disclosed. The pump-driven two-phase liquid cooling system may include a pump-driven two-phase liquid circulation loop, where a pump, an evaporator, and a condenser are sequentially arranged in the pump-driven two-phase liquid circulation loop; a first liquid storage tank arranged at a front end of the pump; and a second liquid storage tank in fluid communication with the first liquid storage tank through a first connecting pipeline; where the second liquid storage tank is provided with a first liquid filling port, and the first connecting pipeline is provided with a first valve configured to isolate the second liquid storage tank from the first liquid storage tank.

Abstract: A system and method for detecting malware in portable executable (PE) files is provided. The system and method can include receiving a PE file, parsing the PE file to filter known malware, decompiling the filtered PE file into assembly code and/or p-code, extracting all API call sequences from the p-code, for all API call sequences that match a stored API call sequence, and/or identify the corresponding PE file as malware.

Abstract: The embodiments of the disclosure discloses an automatic recycling and charging nest for a vertical take-off and landing unmanned aerial vehicle, including a cabin body and an openable and closable top cover installed on the top of the cabin body, wherein an inner cabin is further installed in the cabin body, the height of the inner cabin is the same as that of the cabin body, a rotating mechanism is further arranged inside the inner cabin, a clamping and centering device is installed on the top of the inner cabin, and a locking and charging device is further installed on the clamping and centering device; and the locking and charging device includes a base connected with the clamping and centering device, and a pneumatic hydraulic clamp for charging connected to the base.

Abstract: The present invention relates to a spray-dried particulate composition comprising a carboxyl group-containing polymer, a linear alkyl benzene sulphonate (LAS) and a soap powder.