Abstract: This application provides a communication method, apparatus, and system. The communication method includes: a centralized unit receives a data packet sent in a multicast manner. The centralized unit generates a packet data convergence protocol (PDCP) data unit based on the data packet, where the PDCP data unit includes the data packet and a PDCP header. The centralized unit sends the PDCP data unit to a distributed unit. The distributed unit receives the PDCP data unit from the centralized unit, where the PDCP data unit includes the PDCP header, a synchronization protocol header, and a payload. The distributed unit generates a media access control (MAC) data unit, where the MAC data unit includes a MAC header, an RLC header, the PDCP header, and the payload.

Abstract: The present disclosure provides a locking member and a box thereof, the locking member is easily configured to insert a first base into a second base through a first protrusion and a second protrusion thereof, and use a fastener to simultaneously receive and lock the first base and the second base in a locking space of the fastener for obtaining a lock thereof. When the fastener is subjected to a force to rotate away from the second base, the second base detaches from the first base for achieving an unlock thereof. When the first base and the second base are respectively installed near two end surfaces of the box that need to be locked, after the box is opened, the first and second protrusions are configured to be as support feet for the box, thereby ensuring flatness of splicing surfaces of the box after the box being folded. The locking member of the present disclosure is simple and easy to be operated, and the box is beautiful and saving costs.

Abstract: This application provides a method for handling a radio link failure, a terminal device, and a network device. The method includes: sending, by a terminal device, duplicated data packets to a network device on a first carrier and a second carrier; and sending, by the terminal device, RLF indication information to the network device in accordance with determining that an RLF event occurs on at least one of the first carrier and the second carrier, where the RLF indication information is used to indicate that the RLF event occurs on the first carrier, the second carrier, or the first carrier and the second carrier. The foregoing technical solution can optimize handling of the radio link failure.

Abstract: Various embodiments include a neutralizing magnetic component arrangement in a variable aperture device for a camera system. The variable aperture device may include a rotor, a stator, aperture blades arranged to form an aperture stop, and an actuator for moving the aperture blades to change a size of the aperture. In various embodiments, magnetic components of the actuator may include magnetic configurations which may cause a neutralizing force on the rotor, reducing or eliminating magnetic forces and magnetic torques exerted on the rotor from magnetic components of the variable aperture device.

Abstract: A simulating and testing platform system for laser-mechanical combined efficient drilling and rock breaking, comprising a laser-mechanical combined drilling tool being fixed on a position adjusting device through a drilling tool carrying device to achieve adjustment of a drill hole space and a relative angle, a driving device configured to drive the drilling tool to rotate and advance to achieve a rock breaking function, and a confining pressure loading device configured to perform confining pressure loading of a sample to simulate a real terrestrial stress environment. Wherein, the position adjusting device achieves all-around and multi-angle continuous drilling; the confining pressure loading device simulates the real terrestrial stress environment to increase the combined rock breaking efficiency in a manner of biasing laser.

Abstract: A method for determining a vortex-induced resonance region of a wind turbine blade and an anti-vortex device are provided, and relates to the technical field of wind power equipment. The method includes: obtaining the natural frequency of the wind turbine blade; segmenting the wind turbine blade to obtain a plurality of blade sections; calculating a vortex shedding frequency of a cross section of each of the plurality of blade sections at different wind speeds or under different operating conditions; and determining at least one vortex-induced resonance region of the wind turbine blade by comparing the vortex shedding frequency of the cross section of each of the plurality of blade sections at different wind speeds or under different operating conditions with the natural frequency.

Abstract: The present disclosure discloses a synchronized transmission system and method for dual-source wireless audio. The system comprises an audio device, a first audio source device, and a second audio source device. The audio device comprises a host processor and a plurality of controllers. The first audio source device establishes a first communication link with a first controller among the plurality of controllers to perform audio data transmission for a first audio stream; the second audio source device establishes a second communication link with a second controller among the plurality of controllers to perform audio data transmission for a second audio stream.

Abstract: The present invention discloses a low signal-to-noise ratio (SNR) seismic event detection model based on a deep residual shrinkage network (DRSN). Considering the different noises contained in seismic records acquired by different seismic sensors, a DRSN based on a residual network was constructed to detect seismic events from low SNR seismic records. In the constructed network, a soft thresholding function (a shrinkage function) was inserted into the deep network structure as a nonlinear transform layer to effectively filter the impact of noise-related features, and an attention mechanism, together with an adaptive soft thresholding block, was also incorporated to automatically obtain the optimal denoising threshold for seismic signals, which ensures different signals are processed to the best effect. After training, the DRSN adaptively determines the denoising threshold so that each seismic signal has its own threshold set and seismic events can be accurately detected under strong background noise.

Abstract: A method and a system for networking a water network system are provided, including: collecting digital elevation raster data of a study area, identifying rivers within the study area, and dividing the study area into several subnets, each contains several sub-basins; constructing evaluation models for each subnet and optimizing model parameters and hyperparameters, and calculating comprehensive evaluation results of a coordinated state of water resources-ecological environment-economic and society; sorting the characteristic values and evaluation indicator values, constructing a feasible networking scheme set, constructing complementary indicators, forming a matched networking scheme set and calculating engineering construction cost, constructing an optimal scheduling model, and calculating to obtain an optimal scheduling mode and networking benefit; setting a networking cost range, determining the networking scheme and inputting it into a pre-constructed optimal networking decision model, and calculating to

Abstract: A road paver includes: a head; a body including a front end and a tail end; a feeding device, disposed in the front end to convey polyurethane concrete, and the feeding device including a stirring device; a stone paving device, disposed on the tail end to spread crushed stone over a road, and the stone paving device including a stone feed bin carrying the crushed stone; and a concrete paving device, disposed between the feeding device and the stone paving device and connected to the stirring device, and used to spread the polyurethane concrete across the road.

Abstract: The present disclosure relates to methods and apparatuses for transmitting user equipment capability information. One example method includes after sending a first request message to a user terminal, receiving, by an access network device, a plurality of first response messages sent by the user terminal, where each of the first response messages includes a subset of a UE capability information set, and decoding, by the access network device, the first response message to obtain a UE capability.

Abstract: A wind turbine flutter suppression method includes: determining a nacelle-wind direction angle between a wind direction and a nacelle direction; and determining a pitching method for changing pitch angles according to the nacelle-wind direction angle. The pitching method includes a speed-controlled pitching scheme and a pitch-angle-sequence-controlled pitching scheme. The speed-controlled pitching scheme includes regulating pitch angles of blades of the wind turbine according to a rotor speed of the wind turbine to keep the rotor speed within a preset speed range until flutter of the wind turbine is suppressed. The pitch-angle-sequence-controlled pitching scheme includes performing a pitching operation on the pitch angles of the blades of the wind turbine according to preset pitching rules until the flutter of the wind turbine is suppressed.

Abstract: A data transmission method includes receiving, by a first access network device, local service indication information and a service identifier from a core network device. The local service indication information indicates that a service to which a data packet of a first session belongs is a local service. The data transmission method also includes sending, by the first access network device, third indication information to a second access network device. The third indication information indicates that the service is the local service.

Abstract: A data processing method, a network interface card, an electronic device, and a storage medium. The method includes: determining a target dispatch queue to be dispatched from a host memory in response to a doorbell signal sent by a target host, where the doorbell signal indicates that there is a target message to be sent; determining a current target dispatch state of the target dispatch queue, where the target dispatch state is obtained based on an activity and a credit value corresponding to the target work queue element; determining whether a dispatch mechanism corresponding to the target dispatch queue is valid based on the target dispatch state, where the dispatch mechanism indicates whether the target dispatch queue is allowed to be dispatched; and performing a dispatch operation on the target work queue element and the target message in response to the dispatch mechanism being valid.

Abstract: A silicon bulk thermoelectric conversion material having improved thermoelectric performance compared to conventional material is provided. Alternatively, a method for manufacturing a silicon bulk thermoelectric conversion material having improved thermoelectric performance by reducing thermal conductivity compared to the conventional method is provided. A silicon bulk thermoelectric conversion material according to an embodiment of the present invention includes a housing step of putting a silicon powder containing silicon nanoparticles between a first electrode member and a second electrode member of a heating unit, a heating step of heating the silicon powder by applying current while applying pressure equal to or less than 12 MPa between the first electrode member and the second electrode member and a cooling step of cooling the heated silicon powder.

Abstract: Disclosed are a ligand compound targeting a PSMA antigen, and a chelate and the use thereof in the diagnosis and treatment of prostate cancer. The ligand compound is a compound of formula (I) or a salt, ester or solvate thereof. The present invention relates to the technical field of radiopharmaceuticals. A chelate containing the ligand compound of the present invention and a radioactive metal can be used as a PSMA targeted radiopharmaceutical with a longer blood half-life, a better antigen affinity and tumor inhibition effect, a lower toxicity and a higher safety, and is used for diagnosing and treating PSMA antigen positive prostate cancer in nuclear medicine.

Abstract: A communication method and apparatus, and a system, to improve efficiency of receiving a multicast service. The communication method includes: sending a radio resource control (RRC) resume request message to a first network device; receiving an RRC resume message sent by the first network device; entering an RRC connected state from an RRC inactive state; and receiving a first multicast based on a first multicast broadcast service radio bearer (MRB), where the first MRB is determined based on the RRC resume message and first multicast configuration information, the first multicast configuration information is obtained from a second network device, and the second network device is a network device in a last serving cell in an RRC connected state.

Abstract: Embodiments of this application provide a communication method and apparatus. The method includes: obtaining first configuration information; performing an application layer measurement on a first broadcast service based on the first configuration information, to obtain a measurement result; and sending the measurement result and indication information to a first network device, where the indication information indicates a first cell in which a terminal device receives the first broadcast service. According to the solutions of this application, a network device corresponding to the first cell can optimize a configuration of the first broadcast service based on the measurement result, to improve performance of the first broadcast service, and therefore improve communication quality and user experience.

Abstract: This application provides example communication methods and apparatuses. In one example method applied to an first access network device, the method comprises receiving a first data packet of a first session from a core network device, where the first data packet comprises a first sequence number (SN). A second data packet is sent to a terminal device, where the second data packet belongs to data of a first data radio bearer (DRB), the second data packet comprises a packet data convergence protocol (PDCP) protocol data unit (PDU), the PDCP PDU is obtained based on the first data packet, and a PDCP SN of the PDCP PDU is determined based on the first SN.