Abstract: This application provides example methods and devices for determining a transmission direction. One example method includes receiving, by a terminal device, first indication information from a network device, where the first indication information is used to indicate a transmission direction in a first time element, where the first time element is located on a first resource, and where a frequency domain resource of the first resource is a first frequency domain resource. The terminal device can then determine a transmission direction in a second time element based on the transmission direction in the first time element, where the second time element is located on a second resource, where a frequency domain resource of the second resource is a second frequency domain resource, where the first frequency domain resource and the second frequency domain resource use different configuration parameters.

Abstract: This application provides a wireless communication method and an apparatus. The method includes: receiving higher layer signaling from a base station; receiving a broadcast message from the base station; and sending a random access preamble to the base station based on a random access configuration, where a time resource available to the random access preamble includes a part or all of a flexible time resource. Therefore, a random access requirement of a cell-edge terminal can be met, and a problem of PRACH coverage limitation can be resolved.

Abstract: The present disclosure provides a power management module, a power management method and an energy system for a triboelectric nanogenerator. The power management module is configured to be electrically connected to a back end of the triboelectric nanogenerator, the power management module includes a rectifying circuit and a Direct Current (DC) buck circuit. The rectifying circuit is electrically connected to the back end of the triboelectric nanogenerator for rectifying a signal generated by the triboelectric nanogenerator to output a first DC signal, and the DC buck circuit is electrically connected to a back end of the rectifying circuit for decreasing a voltage of the first DC signal to output a second DC signal. The power management module may maximize and autonomously release the energy of the triboelectric nanogenerator, and perform a buck conversion for charging the energy storage device or directly driving the electronic device.

Abstract: Embodiments of the present invention provide a resource configuration method and an apparatus, to prevent user equipment (UE) from replying acknowledgement responses of different downlink subframes. The method includes: receiving, by UE, configuration information of an acknowledgement response resource, where the acknowledgement response resource is used by the UE to send a downlink data channel acknowledgement response of an nth transmission unit on an uplink control channel of an (n+k)th transmission unit, the configuration information includes first information, the first information is used to indicate a quantity of transmission units located before the nth transmission unit in a feedback window of the (n+k)th transmission unit; and sending, by the UE, the downlink data channel acknowledgement response of the nth transmission unit on the uplink control channel of the (n+k)th transmission unit based on the configuration information by using the acknowledgement response resource.

Abstract: The present invention relates to a hydrogel comprising polysaccharide polymer network and collagen, particularly for use in the wound treatment. The present invention also relates to a wound dressing and a cell culture system comprising the hydrogel and their use in the wound treatment.

Abstract: A gallium nitride power device, including: a gallium nitride substrate; cathodes; a plurality of gallium nitride protruding structures arranged on the gallium nitride substrate and between the cathodes, a groove is formed between adjacent gallium nitride protruding structures; an electron transport layer, covering a top portion and side surfaces of each of the gallium nitride protruding structures; a gallium nitride layer, arranged on the electron transport layer and filling each of the grooves; a plurality of second conductivity type regions, where each of the second conductivity type regions extends downward from a top portion of the gallium nitride layer into one of the grooves, and the top portion of each of the gallium nitride protruding structures is higher than a bottom portion of each of the second conductivity type regions; and an anode, arranged on the gallium nitride layer and the second conductivity type regions.

Abstract: An indication method includes: receiving, by a terminal device, configuration information sent by a network device, where the configuration information includes at least two of a subcarrier configuration parameter, a time parameter of a first period, and a total quantity of slots included in the first period; and determining, by the terminal device based on the configuration information, information about a second period within which the terminal device performs data transmission by using a bandwidth part BWP. The network device may notify the terminal device of a plurality of SCSs supported by a cell and period information corresponding to the SCSs. The terminal device may determine information about a period within which data transmission is performed by using the BWP, so that the terminal device transmits data by using the cell.

Abstract: A communication method and a communication device based on a parallel system, a terminal and a computer readable storage medium are provided. The parallel system includes a fieldbus and two or more communication nodes connected to the fieldbus in parallel. The communication method includes: acquiring a status parameter of a target communication node; converting the status parameter into a logic level signal; generating an input differential signal based on the logic level signal; sending the input differential signal to the fieldbus and synchronously receiving an output differential signal from the fieldbus, where the output differential signal is generated by the fieldbus by performing a wired-AND operation on input differential signals received from the two or more communication nodes; and acquiring information of the communication nodes connected to the fieldbus based on the output differential signal.

Abstract: Embodiments of this application provide a signal transmission method and apparatus. The method includes: receiving, by a terminal device, configuration information sent by a network device, where the configuration information is used to instruct the terminal device to send a reference signal, and a resource used to transmit the reference signal is determined based on a public cell identity of a cell to which the terminal device belongs; and sending, by the terminal device, the reference signal based on the configuration information by using the resource. According to the signal transmission method and apparatus in the embodiments of this application, an existing reference signal can be used to perform interference/channel measurement between terminal devices, so that a terminal device on a receiving side can distinguish between interference cells while reference signal utilization is improved.

Abstract: Methods of processing a data signal obtained from a sensor sensing a dynamic signal to detect a structural anomaly event are disclosed. In one embodiment, a method includes obtaining signal components attributable to fluid flow at a location within an operational pipeline network; processing the data signal to extract one or more features; characterising the one or more extracted features; and detecting an indication of a structural anomaly event proximal the location depending on the characterisation; wherein the structural anomaly event includes an occurrence and/or further development of a structural anomaly.

Abstract: Disclosed herein are novel compounds, pharmaceutical compositions comprising such compounds and related methods of their use. The compounds described herein are useful, e.g., as liposomal delivery vehicles to facilitate the delivery of encapsulated polynucleotides to target cells and subsequent iransfection of said target cells, and in certain embodiments are characterized as having one or more properties that afford such compounds advantages relative to other similarly classified lipids.

Abstract: This disclosure provides a resource configuration method. The method includes: receiving, by a terminal, first indication information sent by a network device, where the first indication information is used to indicate S first time units and T second time units, when S?0, the first indication information further indicates an index value or an identifier of format information of the first time unit; and when T?0, the first indication information further indicates first set information of the second time unit, the first set information indicates a first set, and the first set includes index values or identifiers of at least two types of format information of the second time unit; and determining, by the terminal, the format information of the first time unit based on the index value or the identifier of the format information of the first time unit, or determining the first set based on the first set information.

Abstract: Certain embodiments involve a modular medium voltage fast charger. The modular medium voltage fast charger can include: (1) a predictive power factor correction (“PFC”) controller (or predictive controller) for series-interleaved multi-cell three-level boost (“SIMCB”) converters, (2) an active neutral point clamped (“NPC”) dual active bridge (“DAB”) modulation scheme to achieve soft switching, (3) an auxiliary capacitor to reduce NPC DAB turn-off voltages, (4) a comprehensive and scalable protection circuit, and (5) a high-isolation pulse transformer with a bobbin for reducing coupling capacitance of the pulse transformer.

Abstract: Provided are a ground fault protection method and apparatus for a photovoltaic station output transmission line. A circuit breaker on a photovoltaic side is controlled by a control element. Whether measured zero sequence impedance on the photovoltaic side of a segment line has a large variation before and after an action of power grid side distance protection is determined, the variation of the measured zero sequence impedance is inputted into the control element, in condition that the variation of the measured zero sequence impedance is less than a setting value, a tripping signal is outputted to the circuit breaker on the photovoltaic side to isolate the fault; and in condition that the variation of the measured zero sequence impedance is greater than the setting value, photovoltaic side distance protection is not started.

Abstract: The present disclosure provides a light state data processing method, including: during monitoring light state data of a traffic light, if a light cap controlling time represented by current actual light state data and a light cap controlling time represented by first estimated light state data corresponding to the current actual light state data are different, adjusting the first estimated light state data according to the current actual light state data to obtain second estimated light state data, where a light cap controlling time represented by the second estimated light state data is the same as the light cap controlling time represented by the current actual light state data; and in response to determining that the current actual light state data does not satisfy a preset light state data requirement, generating and outputting first light state information based on the second estimated light state data.

Abstract: A method for detecting a structural anomaly in a pipeline supply network is disclosed where the pipeline supply network is configured to supply fluid to multiple receiving locations. The method comprises receiving acoustic signal data from a selected location in the pipeline supply network and generating a first time window of acoustic signal data based on the acoustic signal data. The method then includes benchmarking the first time window of acoustic signal data with respect to historical background acoustic signal data characterising the pipeline supply network to generate a corresponding background benchmarked first time window of acoustic signal data and then determining an anomaly measure for the background benchmarked first time window of acoustic signal data where the anomaly measure indicates a presence of the structural anomaly.

Abstract: The present application provides a volumetric measuring method and apparatus based on a TOF depth camera, which is achieved by: acquiring depth images; denoising the depth images; selecting a first feature area of the first depth image and a second feature area of the second depth image that have been denoised respectively, traversing each pixel point in the first feature area at multiple traversal speeds, and matching a first depth value of a current pixel point with a second depth value of a target pixel point corresponding to the current pixel point in the second feature area to acquire multiple total similarity values; determining a traversal speed corresponding to a maximum total similarity value as an instantaneous speed at a current moment; calculating a package volume according to the instantaneous speed. The present application effectively solves the problem that an accurate package volume cannot be obtained when a speed of the conveyor belt is not fixed, and high in feasibility.

Abstract: The present invention belongs to the technical field of processing and analysis of biomedical signals, and provides a calibration method for the critical point of mental fatigue based on self-organized criticality. It constructs a self-organized criticality model by using the dynamic characteristics of a brain network, and deduces the avalanche dynamics of mental fatigue, which is consistent with the internal mechanism of evolution of fatigue complexity. The critical state of calibration is dynamically stable and robust. Through the verification of the behavior data, the reliability of the critical state of mental fatigue determined from physiological and behavioral dimensions is high, providing support for the setting of the fatigue category labels to complete more accurate classification and recognition.

Abstract: An interference measurement reporting method, device, and system related to the field of communications technologies are disclosed. The method includes after receiving first information sent by a second device, sending, by a first device, at least one reported value to a third device. The first information is used to indicate an interference measurement resource to the first device. And the reported value is obtained based on an interference measurement result that is located on a portion the resource. Because the reported value is obtained based on the interference measurement performed on a specific resource of which the first device is notified previously, when the technical solution is applied to cross interference measurement, for example, inter-UE interference measurement, the first device can report accurate information about inter-UE interference status to a base station.

Abstract: The present invention relates to a tri-axial mechanical test apparatus and method for simulating the process of freezing the high-pressure water into ice. The tri-axial mechanical test apparatus comprises a main body loading system, a freezing system, and a sample test system; in the main body loading system, a flange, an axial pressure piston and a pressure-bearing shell are constituted to a loading main body, and the axial pressure and confining pressure are controlled directly by a tri-axial servo tester and indirectly by an oil-water separator respectively; in the freezing system, a circumferential freezing liquid circulation channel and a base freezing liquid circulation channel are connected to an external cold source for cooling and freezing, and a dissoluble shell is provided on the periphery of the sample to ensure the shape of ice; in the sample test system, a serial of optical fiber sensors in the sample is connected to an optical fiber data collector, to measure temperature and strain.