Abstract: An operation control method suitable for a fire extinguishing system of an extra-high voltage converter station is provided. The method includes: after an upper computer control system receives a sound-light alarm signal, an alarm position signal, and a switch position dividing signal, starting a spray range prediction analysis subsystem for a fixed fire monitor; determining, by the spray range prediction analysis subsystem for the fixed fire monitor based on an external wind direction and an external wind speed, whether a range of a fire monitor effectively covers an entire area of a converter transformer; and if yes, automatically presetting a first fire monitor to which a first compressed air foam generation subsystem belongs and a second fire monitor to which a second compressed air foam generation subsystem belongs; or if no, replacing a fire monitor with a mobile fire-fighting robot to extinguish a fire.

Abstract: An operation control method suitable for a fire extinguishing system of an extra-high voltage converter station is provided. The method includes: after an upper computer control system receives a sound-light alarm signal, an alarm position signal, and a switch position dividing signal, starting a spray range prediction analysis subsystem for a fixed fire monitor; determining, by the spray range prediction analysis subsystem for the fixed fire monitor based on an external wind direction and an external wind speed, whether a range of a fire monitor effectively covers an entire area of a converter transformer; and if yes, automatically presetting a first fire monitor to which a first compressed air foam generation subsystem belongs and a second fire monitor to which a second compressed air foam generation subsystem belongs; or if no, replacing a fire monitor with a mobile fire-fighting robot to extinguish a fire.

Abstract: The present disclosure relates to a spheroidizing-annealed steel for the ball screw having high strength and resistance to low temperatures, wherein the chemical composition of the steel in mass percentage is: C: 0.40-0.70%, Si: 1.20-1.80%, Mn: 1.00-1.60%, Cr: 0.80-1.20%, S: ?0.025%, P?0.025%, Ni: 0.10-0.60%, Cu: 0.30-0.80%, Mo: 0.10-0.40%, Al?0.05%, Ca?0.0010%, Ti?0.003%, O?0.0010%, As?0.04%, Sn?0.03%, Sb?0.005%, Pb?0.002%, the balance is Fe and unavoidable impurities. In microstructure of the steel, cementite exists in a spheroidized state with a diameter of 0.1-0.5 ?m, preferably 0.3-0.5 ?m, a spheroidizing rate is 95% or more, and the rest is ferrite.

Abstract: A 5G-TSN resource joint scheduling apparatus includes: a state information acquisition module, a scheduling decision making module, and a configuration module. The state information acquisition module is configured to acquire bottom-layer network information, and process the acquired bottom-layer network information to obtain state information, the bottom-layer network information includes channel information, gate control list information of a TSN domain, and queue information in a base station. The scheduling decision making module is configured to obtain a result of decision making based on the state information output by the state information acquisition module using a DDPG-based reinforcement learning model, the result of decision making includes whether to allocate resources for a current queue and a number of resources actually allocated to the current queue.

Abstract: The present disclosure provides a shift register unit, a gate driver circuit, and a display device, belonging to the field of display technology, which can solve the problem of unstable threshold voltage and current leakage of thin film transistors in existing shift register units. The shift register unit in the present disclosure includes: an input subcircuit, an output subcircuit, a pull-down control subcircuit, a pull-down subcircuit, a first noise reduction subcircuit, a first auxiliary control subcircuit, and a second auxiliary control subcircuit. The first auxiliary control subcircuit is configured to write the third reference level signal to the pull-down control node when the pull-down node is the first reference level signal, and control the pull-down subcircuit to be closed to control the first noise reduction subcircuit to be open.

Abstract: The invention relates to the technical field of agricultural planting, in particular to a special controlled-release microbial fertilizer for peanuts in a continuous cropping field and a preparation method thereof. The fabric comprises an outer layer, a middle layer and an inner layer. Through a three-layer structure, the controlled-release fertilizer prepared by the disclosure can realize the fertilizer efficiency period of 50-60 days, and achieves the purpose of twice releases.

Abstract: A 5G-TSN resource joint scheduling apparatus includes: a state information acquisition module, a scheduling decision making module, and a configuration module. The state information acquisition module is configured to acquire bottom-layer network information, and process the acquired bottom-layer network information to obtain state information, the bottom-layer network information includes channel information, gate control list information of a TSN domain, and queue information in a base station. The scheduling decision making module is configured to obtain a result of decision making based on the state information output by the state information acquisition module using a DDPG-based reinforcement learning model, the result of decision making includes whether to allocate resources for a current queue and a number of resources actually allocated to the current queue.

Abstract: A transmission antenna switching method includes: in a case that the terminal device is in a dual network connected state, determining a first network used to transmit control plane data and a second network only used to transmit user plane data; determining a working mode of the second network in a case that an SRS switching request is received; determining a priority order of transmission antenna switching in the first network and the second network according to the working mode of the second network; and performing SRS antenna switching in the first network according to the priority order.

Abstract: A radio frequency structure includes: a radio frequency front-end module, a switch module, and an antenna module. The radio frequency front-end module includes a radio frequency transceiver, and a first processing module, a second processing module, a third processing module, a fourth processing module, and a fifth processing module that are connected to the radio frequency transceiver. The switch module includes a first switch module and a second switch module. The antenna module includes a first antenna, a second antenna, a third antenna, and a fourth antenna that are used to receive or send radio frequency signals.

Abstract: The present disclosure provides a transmit antenna switching method and a terminal device. The method includes: when the terminal device is in a dual-network connected state, determining a first network used to transmit control plane data and a second network only used to transmit user plane data, where the dual-network connected state is that the terminal device is simultaneously connected to the first network and the second network; determining, based on a transmit antenna used by the first network, a first transmit mode for switching an SRS antenna operating in the second network; and performing the SRS antenna switching based on the first transmit mode by using a first antenna set, where the first antenna set is all antennas used for the dual-network connected state included in the terminal device except the transmit antenna used by the first network.

Abstract: A dual Subscriber Identity Module (SIM) communication method and apparatus for a terminal, a device, and a storage medium are provided. The method includes: determining whether slots of dual SIM cards are aligned. The method further includes when the slots of the dual SIM cards are not aligned, within an uplink slot of a second SIM card, controlling the second SIM card to transmit a signal by using a main antenna; for an odd-numbered downlink slot of the second SIM card, controlling the second SIM card to receive a signal by using a diversity antenna within the entire odd-numbered downlink slot, and controlling a first SIM card to transmit a signal by using the main antenna in a preceding time period within the odd-numbered downlink slot and to receive a signal by using the main antenna in a later time period within the odd-numbered downlink slot.

Abstract: A radio frequency circuit includes a radio frequency front-end module, a switch module and an antenna module. The radio frequency front-end module includes a radio frequency transceiver and a first processing module connected to the radio frequency transceiver, the antenna module includes an antenna for receiving or transmitting a radio frequency signal, and the first processing module is configured to transmit a signal of a first network and a signal of a second network.

Abstract: Aspects of the present disclosure relate to genetically altered plants having a heterologous EPR3 or EPR3-like polypeptide or a modified EPR3 or EPR3-like polypeptide and/or having a heterologous EPR3a or EPR3a-like polypeptide or a modified EPR3a or EPR3a-like polypeptide, wherein the EPR3 or EPR3-like polypeptide and/or the EPR3a or EPR3a-like polypeptide provide increased selectivity for a beneficial commensal microbe as compared to a wild-type plant under the same conditions. Other aspects of the present disclosure relate to methods of making such plants as well as cultivating these genetically altered plants. Additional aspects of the present disclosure relate to methods of identifying a beneficial commensal microbe capable of interacting with a plant root microbiota.

Abstract: A transmission antenna switching method includes: in a case that the terminal device is in a dual network connected state, determining a first network used to transmit control plane data and a second network only used to transmit user plane data; determining a working mode of the second network in a case that an SRS switching request is received; determining a priority order of transmission antenna switching in the first network and the second network according to the working mode of the second network; and performing SRS antenna switching in the first network according to the priority order.

Abstract: A radio frequency circuit includes a radio frequency front-end module, a switch module and an antenna module. The radio frequency front-end module includes a radio frequency transceiver and a first processing module connected to the radio frequency transceiver, the antenna module includes an antenna for receiving or transmitting a radio frequency signal, and the first processing module is configured to transmit a signal of a first network and a signal of a second network.

Abstract: The present disclosure provides a transmit antenna switching method and a terminal device. The method includes: when the terminal device is in a dual-network connected state, determining a first network used to transmit control plane data and a second network only used to transmit user plane data, where the dual-network connected state is that the terminal device is simultaneously connected to the first network and the second network; determining, based on a transmit antenna used by the first network, a first transmit mode for switching an SRS antenna operating in the second network; and performing the SRS antenna switching based on the first transmit mode by using a first antenna set, where the first antenna set is all antennas used for the dual-network connected state included in the terminal device except the transmit antenna used by the first network.

Abstract: Non-fault disturbance-based method and system for measuring short-circuit capacity of a power grid on site including: connecting or disconnecting a reactive compensation device to or from a power grid point of common coupling, to generate a disturbance on a power grid; obtaining total active power and total reactive power of a load of the point of common coupling before the disturbance; determining a vector difference between a voltage of the power grid point of common coupling before the disturbance and a voltage of the power grid point of common coupling after the disturbance; obtaining a voltage effective value of the power grid point of common coupling before the disturbance; obtaining a capacity of the reactive compensation device; and determining a short-circuit capacity of the point of common coupling according to total active power, total reactive power, vector difference between voltages, voltage effective value, and capacity of the reactive compensation device.

Abstract: A radio frequency structure includes: a radio frequency front-end module, a switch module, and an antenna module. The radio frequency front-end module includes a radio frequency transceiver, and a first processing module, a second processing module, a third processing module, a fourth processing module, and a fifth processing module that are connected to the radio frequency transceiver. The switch module includes a first switch module and a second switch module. The antenna module includes a first antenna, a second antenna, a third antenna, and a fourth antenna that are used to receive or send radio frequency signals.

Abstract: An improved method for making a P. vulgaris bean extract that results in an extract having high ?-amylase inhibitory activity and low hemagglutinin activity. The method involves treating the beans to selectively denature the hemagglutinin. A P. vulgaris bean extract is provided, having high ?-amylase inhibitory activity and low hemagglutinin activity. A treatment for diabetes or method for reducing blood glucose level is disclosed using the P. vulgaris bean extract disclosed herein.

Abstract: Non-fault disturbance-based method and system for measuring short-circuit capacity of a power grid on site including: connecting or disconnecting a reactive compensation device to or from a power grid point of common coupling, to generate a disturbance on a power grid; obtaining total active power and total reactive power of a load of the point of common coupling before the disturbance; determining a vector difference between a voltage of the power grid point of common coupling before the disturbance and a voltage of the power grid point of common coupling after the disturbance; obtaining a voltage effective value of the power grid point of common coupling before the disturbance; obtaining a capacity of the reactive compensation device; and determining a short-circuit capacity of the point of common coupling according to total active power, total reactive power, vector difference between voltages, voltage effective value, and capacity of the reactive compensation device.