Abstract: Provided is a communication node of a reference signal. The communication node includes a processor configured to execute programs stored in a storage device; and the programs, when executed by the processor, perform a method includes: determining a radio resource for a second communication node to send a reference signal; and receiving the reference signal sent by the second communication node using the radio resource.

Abstract: The disclosure relates to relates to heterogeneous catalysts useful for the synthesis of ammonia under electromagnetic irradiation, processes for preparing the disclosed heterogeneous catalysts, processes for synthesizing ammonia at ambient pressures using hydrogen and nitrogen. The disclosed heterogeneous catalysts can be utilized in disclosed processes for efficient synthesis of ammonia utilizing a variable frequency reactor with an electromagnetic frequency generator and a reactor chamber. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Disclosed are a method for for sending and receiving signaling information. The method includes: sending, by a base station, signaling information; where the signaling information includes: information about a correspondence between a sequence parameter and a time domain symbol. The correspondence between the sequence parameter and the time domain symbol includes: the sequence parameter hopping once every R3 time domain symbols; where R3 is an integer, each of the R3 time domain symbols includes an uplink channel or an uplink signal. R3 satisfies at least one of the following: R3 is equal to a length of a time domain orthogonal cover code (OCC) corresponding to the uplink channel or the uplink signal, or R3 is equal to a frequency domain repeated sending parameter R; where R is a positive integer.

Abstract: Molecular markers linked to main QTL for regulating resistance of rice to whitebacked planthopper are provided. The QTL is located on rice chromosome 1, with a genetic distance of 30.88-34.32 cM and a physical distance of 7203302-8007653 bp. Then the molecular markers are set on both sides of the QTL, and the molecular markers are used to screen rice varieties resistant to whitebacked planthopper, which improves the selection efficiency of ideal plant types of rice.

Abstract: A channel state information reporting method, including: receiving configuration information, the configuration information includes first configuration information and second configuration information, the first configuration information is used to indicate a position of a channel state information reference signal resource, and the second configuration information is used to indicate a reporting parameter of channel state information, receiving a channel state information reference signal according to the first configuration information; and reporting the channel state information according to the second configuration information and a measurement of the channel state information reference signal.

Abstract: In one aspect, the disclosure relates to a method for converting waste plastics into value-added products, the method including the steps of (a) contacting the waste plastics with a catalyst to form a reaction mixture and (b) applying microwave irradiation to the reaction mixture. In another aspect, disclosed herein are value-added products including, but not limited to, aromatic and aliphatic hydrocarbons produced by the process disclosed herein. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: An atomization generator and a special high-pressure atomization generation device for increasing oil and gas field recovery are provided. The special high-pressure atomization generation device for increasing oil and gas field recovery includes an agent pot assembly, a gear pump, a metering pump, an atomization generator and pipelines. The gear pump is connected with the agent pot assembly through an agent pot liquid inlet pipe. The metering pump is arranged between the agent pot assembly and the atomization generator which are connected through the low-pressure manifold pipeline and the high-pressure liquid inlet pipeline. The high-pressure liquid inlet pipeline is connected with the liquid inlet pipe. The liquid inlet pipes are connected with the metering pump. The gas inlet pipe is connected with the high-pressure gas source through the high-pressure gas inlet pipe. The gas inlet cap is provided with a gas inlet pipe.

Abstract: Embodiments of the present disclosure provide a method for recommending a podcast in music application and a device, where the method includes: a terminal device receives a start instruction for a podcast interface the music application; and the terminal device displays a first preset number of recommended podcast programs in the podcast interface in response to the start instruction, where each of the recommended podcast programs is an episode of audio data, and the recommended podcast programs include a podcast program matching with a preference of a user who uses the music application.

Abstract: A method and a system for obtaining ecological impact mechanism are provided.

Abstract: The present disclosure relates to the technical field of surveying and mapping building structures, in particular to a built-in gap measuring device and a gap measurement method. The built-in gap measuring device includes an adjustment mechanism and measuring mechanisms disposed on both sides of the adjustment mechanism. The adjustment mechanism can adjust the distance between two groups of measuring mechanisms, and the measuring mechanism includes a panel structure and a measuring column. The panel structure includes a bottom cover close to the adjustment mechanism and a top cover away from the adjustment mechanism. A plurality of rows of elastic column holes are arranged on the top cover in array, column seats in one-to-one correspondence with elastic column holes are arranged inside the panel structure in array.

Abstract: A follow-hold switch circuit comprising: a follower; a sampling sub-circuit for voltage sampling; a bootstrap-control sub-circuit, which provides a bootstrap voltage to the sampling sub-circuit when the circuit is in a following state; a sampling-switch-control sub-circuit, which provides a common-mode voltage to a bootstrap capacitor in the bootstrap-control sub-circuit when the circuit is in a holding state; the follower is connected to an output of the sampling sub-circuit; the sampling sub-circuit is connected to the bootstrap-control sub-circuit and the sampling-switch-control sub-circuit respectively through a sampling switch; the present disclosure can effectively improve the linearity of sampling switches.

Abstract: A beam processing method, a network device, a base station, and a computer readable storage medium are disclosed. The method may include acquiring first beam identification information and beam time domain information sent by the base station, wherein the beam time domain information comprises beamforming time information that is indicative of a time corresponding to beamforming by the network node for signal directing; determining a first time domain according to the beamforming time information; and forming a first beam for signal directing in the first time domain, wherein the first beam is determined by the network node according to the first beam identification information.

Abstract: A reasonable millisecond time control method for excavation blasting of a tunnel is provided, and includes: acquiring physical mechanical parameters to establish a millisecond blasting model, and designing four dimensions blasting parameters of explosive quantity, hole number, inter-hole millisecond and inter-row millisecond; simulating, based on the millisecond blasting model, a blasting process of an explosive package using blasting parameters to obtain a blasting vibration curve; obtaining single-hole blasting vibration waveforms, solving a vibration synthesis curve through a vibration synthesis theory; comparing the vibration synthesis curve with the blasting vibration curve to obtain a coupling relationship of blasting parameters; determining a target group of explosive quantity and hole numbers, determining a target millisecond through the coupling relationship of blasting parameters, and relating a millisecond blasting control strategy to control, and it is used for tunneling project to reduce cut blas

Abstract: A gap measuring device is provided, which includes a base; a driving assembly including a first driving structure including a first moving part being capable of moving on the base in a first direction and a second driving structure being connected to the first moving part and including a second moving part being capable of moving in a second direction which is perpendicular to the first direction; and a measuring mechanism including a measuring rod bracket, a first measuring rod and a second measuring rod, a first end of the first measuring rod being provided with a first detection head, a first end of the second measuring rod being provided with a second detection head, a second end of the second measuring rod being provided with a pointer, the first detection head and the second detection head being located on the same side of the measuring rod bracket.

Abstract: Disclosed is method and apparatus which includes: obtaining a sequence group number and/or a sequence number of a reference signal according to at least one of following pieces of information: the number N of time domain symbols included in a time unit in which the reference signal is located, a positive integer M, index information of time domain symbols in which the reference signal is located among N time domain symbols included in one time unit, index information of the time domain symbol in which the reference signal is located among M preset time domain symbols, a frame number of a frame in which the reference signal is located, the number B of time units included in the frame in which the reference signal is located, or a time unit index obtained according to a subcarrier spacing of a bandwidth part (BWP) in which the reference signal is located.

Abstract: Disclosed are a reference signal configuration method and device, an information transmission method and device, and an information receiving method and device. The reference signal configuration method includes: indicating, by a first communication node, via signaling a resource used by a second communication node for transmitting a reference signal; or predefining, by a first communication node and a second communication node, a resource used by the second communication node for transmitting a reference signal. Further disclosed are a storage medium and a processor.

Abstract: Provided are an indication method, a reference signal sending method, a communication node and a storage medium. The indication method includes that: a bit width of a slot offset indication (SOI) field is determined according to the number of slot indication parameters configured in a reference signal resource set of an indication unit; and downlink control information (DCI) is sent, where the DCI includes the SOI field.

Abstract: Provided in embodiments of the present disclosure are a Channel State Information Reference Signal (CSI-RS) transmission method and apparatus. The method includes: configuration information is transmitted to a terminal, the configuration information including the number of Resource Blocks (RB) in an A-type RB group, and the A-type RB group comprises consecutive RBs for carrying all ports of CSI-RS; and the CSI-RS is transmitted to the terminal according to the configuration information. The present disclosure can solve the problem in the related art that system complexity is increased due to the unfixed number of antenna ports for the CSI-RS, and reduce the system complexity by transmitting the CSI-RS by means of the configuration information that includes the number of RBs included in the A-type RB group, and the A-type RB group comprises the consecutive RBs for carrying all the ports of the CSI-RS.

Abstract: Presented are systems and methods for sounding reference signal (SRS) transmission. A wireless communication device may receive configuration information for SRS transmission from a wireless communication node. The wireless communication device may transmit a SRS to the wireless communication node according to the configuration information.

Abstract: Disclosed is an information transmission method. The method includes that: a first communication node determines a resource or parameter for a second communication node to transmit a reference signal, and indicates the resource or parameter to the second communication node through signaling; and the second communication node receives the signaling transmitted by the first communication node, determines the resource or parameter for transmitting the reference signal based on the signaling or based on the signaling and a rule predefined by the first communication node and the second communication node, and uses the determined resource or parameter to transmit the reference signal.