Abstract: Embodiments of the disclosure provides a method and an apparatus for power saving operation in a wireless communication system, wherein the method comprises: receiving configuration information for the power saving operation; monitoring a power saving signal based on the configuration information; and determining whether to monitor a PDCCH based on the power saving signal.

Abstract: The present disclosure provides an industrial Internet of Things for controlling a supply of accessories and control methods. The industrial Internet of Things comprises a user platform, a service platform, a management platform, a sensor network platform, and an object platform interacting in sequence. The object platform is configured to include different accessory supply devices, each of which is configured with a data collector. The sensor network platform receives and sends accessory supply data to different management sub-platforms. The different management sub-platforms receive the different accessory supply data, after data processing, store and send at least one processing result data to different service sub-platforms. The different service sub-platforms receive and send corresponding processing result data to the user platform separately. The user platform generates a first instruction to a corresponding service sub-platform based on the at least one processing result data.

Abstract: A display panel, a displaying device and a wearable device. The display panel includes a displaying region and a peripheral region surrounding the displaying region, a region of the peripheral region other than the bonding sub-region includes a first testing-unit group and a second testing-unit group, and each of the first testing-unit group and the second testing-unit group includes one or more circuit testing units; the displaying region includes a first lateral side and a second lateral side that extend in a first direction and face each other, the first direction refers to a direction from the bonding sub-region pointing to the displaying region; and a maximum distance from the first testing-unit group to the first lateral side in a direction perpendicular to the first direction is equal to a maximum distance from the second testing-unit group to the second lateral side in the direction perpendicular to the first direction.

Abstract: Innovations in the use of base color index map (“BCIM”) mode during encoding and/or decoding simplify implementation by reducing the number of modifications made to support BCIM mode and/or improve coding efficiency of BCIM mode. For example, some of the innovations involve reuse of a syntax structure that is adapted for transform coefficients to instead signal data for elements of an index map in BCIM mode. Other innovations relate to mapping of index values in BCIM mode or prediction of elements of an index map in BCIM mode. Still other innovations relate to handling of exception values in BCIM mode.

Abstract: The present application provides a secondary battery, a battery module, a battery pack, and an electrical device. The secondary battery includes a positive electrode plate and an electrolytic solution; the positive electrode plate including a positive electrode active material; the electrolytic solution includes a boron-containing salt; a mass percentage of the boron-containing salt based on the total mass of the electrolytic solution is denoted as A %; an upper-limit potential of the positive electrode active material with respect to lithium metal is denoted as V1 (V); and the secondary battery satisfies: 0<A/(V1?4.1)?4 and V1>4.1; optionally, 0<A/(V1?4.1)?3. The present application is capable of improving the cycle capacity retention and cycle DCR growth rate of secondary batteries.

Abstract: Disclosed is a compound method of shear-wave elastography (SWE) and quasi-static elastography (QSE). The method includes: firstly, pre-scanning is carried out on a target region to obtain a rough comparison relation curve, then real-time scanning is carried out. The rough comparison relation curve is optimized and corrected to obtain an accurate comparison relation curve. Finally, the real-time shear modulus of a large area is calculated according to the real-time elastic relative value of the large area, so that accurate real-time elastography is realized.

Abstract: Disclosed is an ultrasonic Doppler flow imaging method. The method includes: using eigen decomposition on an ultrasonic image to obtain eigenvectors matrices with different power values, so that the SNR and power distribution of each point of the ultrasonic image are calculated, thereby accurately extracting flow data with high reliability and obtaining accurate and stable flow images. The method has the beneficial effects of filtering out tissue signals and noise signals on the characteristic dimension, so as to better extract flow data by using eigen decomposition on ultrasonic images, retaining complete flow data and providing stable and clear imaging of fine flow without the need of contrast agent injection that may cause injuries to human bodies.

Abstract: The invention provides a roadside computing system (RCS), or an edge computing system, for an autonomous vehicle. The RCS comprises a hierarchy of roadside unit (RSU) and an onboard unit (OBU) in an individual vehicle. The RSU comprises a data processing module and a communication module, and is capable of generating guidance information and targeted instructions for individual vehicle. The data processing module of the RSU comprises two processors: an External Object Calculating Module (EOCM) and an AI processing unit. Thus, the RCS utilizes roadside edge computing power and AI models to support autonomous driving for the vehicle. The OBU comprises a data processing module, a communication module, and a vehicle control module, and is capable of generating vehicle-specific targeted instruction for the vehicle based on guidance information and targeted instructions received from RSUs, and controlling the vehicle based on vehicle-specific targeted instruction.

Abstract: A package assembly includes a substrate, an electronic component and a cover. The electronic component and the cover are disposed on the substrate, wherein the electronic component is located within a chamber between the cover and the substrate. A cooling liquid may be filled in a heat dissipation space of the cover, so as to dissipate the heat generated by the electronic component. Furthermore, the cooling liquid may be filled in the chamber where the electronic component is located, so as to directly dissipate the heat generated by the electronic component.

Abstract: The present disclosure provides a hydraulic phosphogypsum (PG)-based cementitious material, and a preparation method and use thereof, belonging to the technical field of cementitious materials. The present disclosure provides a hydraulic PG-based cementitious material, including the following raw materials: modified PG particles and an auxiliary active powder, where the modified PG particles have a dosage of 50 wt % to 95 wt %; the modified PG particles are obtained by conducting modification on original PG particles through a calcareous material, and the calcareous material has a mass 3% to 5% of that of the original PG particles; and the original PG particles have typical dimensions of: a length of 50 ?m to 200 ?m and an aspect ratio of 1.5 to 5; and at least 80% of materials in the auxiliary active powder have a particle size of less than or equal to 60 ?m. In the present disclosure, the hydraulic PG-based cementitious material adopts a particle accumulation method of gap grading.

Abstract: A method and system for safe maintenance of an underground pipeline corridor based on a smart gas regulatory IoT. The method is executed by a gas company management platform of a system for safe maintenance of the underground pipeline corridor based on the smart gas regulatory IoT, and the method includes: determining, based on a safety factor of an inspection region, a mandatory machine inspection region; generating regional planning data based on the mandatory machine inspection region, and the region inspection type of the remaining region; determining a target pipeline corridor region and an inspection instruction based on the regional planning data; determining, based on the safety factor and/or a regional importance degree of the inspection region, a monitoring frequency of an environmental monitoring device and a supervisory equipment in the inspection region, and adjusting the monitoring frequency based on a corresponding control instruction.

Abstract: A power compensation control method and apparatus for a high-power multi-functional efficient charging system. A topology structure of the charging system includes at least two parallel high frequency link matrix converters. The power compensation control method includes: calculating a difference between an input voltage phase of an ith converter and an ideal reference input current phase under a dq two-phase synchronous rotating coordinate system, where i is an odd number; calculating, according to the above difference, a required rotating phase angle of a space current vector of an (i+1)th converter, where by total instantaneous reactive power at input sides of the ith converter and the (i+1)th converter is zero; correspondingly rotating the vector, and judging a sector to which the rotated vector belongs; and generating a corresponding control pulse signal based on the corresponding sector and modulation ratio, so as to act on the (i+1)th converter to realize power compensation.

Abstract: Disclosed are a composite electrode terminal, a top cover and a battery, which relate to the technical field of batteries; the composite electrode terminal includes an inner electrode terminal and an outer electrode terminal; the inner electrode terminal is provided with a first fitting portion; the outer electrode terminal is provided with a second fitting portion fitting with the first fitting portion; one of the first fitting portion and the second fitting portion is a recessed groove, and the other of the first fitting portion and the second fitting portion is a protrusion; and when the first fitting portion is fitted with the second fitting portion, the circumferential edge of the protrusion is fitted with the circumferential edge of the inner wall of the recessed groove, and the end face of the protrusion is attached to the bottom of the recessed groove.

Abstract: An apparatus comprises a processing device configured to generate a link-local network address for a given network node in a device-to-device communication network based on a unique identifier associated with the given network node. The processing device is also configured to determine at least one measure of radio access network signal strength for the given network node for at least one corresponding radio access network, and to assign one of a first and a second communication role in the device-to-device communication network to the given network node based at least in part on whether the at least one measure of the radio access network signal strength is above or below a designated threshold. The processing device is further configured to exchange data traffic between the given network node and the external data network based on which of the first and second communication roles is assigned to the given network node.

Abstract: A series of imidazocyclic compounds and an application thereof, which specifically relate to a compound represented by formula (P) and a pharmaceutically acceptable salt thereof.

Abstract: This disclosure provides methods, devices and systems for improving wireless communications in power spectral density (PSD)-limited frequency bands. A wireless communication device, having a number (NTX) of transmit antennas, parses a physical layer (PHY) protocol data unit (PPDU) into a number (NSS) of spatial streams and modulates the NSS spatial streams on a number (M) of subcarriers. In some implementations, the wireless communication device may transmit the PPDU using a number (N) of the transmit antennas, where NSS?N<NTX. In some other implementations, the wireless communication device may subdivide the M subcarriers into subcarrier groups and may transmit each subcarrier group using a respective subset of the NTX transmit antennas, where the number of transmit antennas used to transmit each subcarrier group is greater than or equal to the number of spatial streams modulated on the subcarriers in the group but less than NTX.

Abstract: A method includes forming a first electrode layer on a substrate; depositing a transition metal layer on the first electrode layer, introducing a chalcogen precursor around the transition metal layer; performing a plasma treatment to ionize the chalcogen precursor around the transition metal layer to convert the transition metal layer into a transition metal dichalcogenide (TMDC) layer at a temperature lower than about 400° C.; forming a second electrode layer on the TMDC layer.

Abstract: A secondary battery, a battery module, a battery pack, and an electrical device are disclosed. The secondary battery includes a positive electrode plate including a positive electrode film layer, a negative electrode plate including a negative electrode film layer, an electrolytic solution, and a solid electrolyte; the solid electrolyte is disposed on a surface of the positive and/or negative electrode film layer and includes a polymer matrix and a first additive, and the first additive is configured to form an interface film on the surface of the positive and/or negative electrode film layer, where a mass percentage of the polymer matrix relative to a total mass of the solid electrolyte is denoted as A %; and a mass percentage of the first additive relative to the total mass of the solid electrolyte is denoted as B %, and the secondary battery satisfies 0.1?B/A?19.

Abstract: The present invention relates to a method of assessing dynamic flexibility for a virtual power plant, which belongs to the technical field of operating and controlling a power system. The method equals a virtual power plant to an equivalent energy storage device and an equivalent generator and decouples a network constraint condition between the two types of devices through a Robust optimization method. Subsequently, by using a two-stage Robust optimization algorithm, parameters of the equivalent energy storage device and the equivalent generator are calculated and finally accurate depiction is realized on adjusting ability of a distributed resource, so as to provide a scientific decision basis for the virtual power plant to participate in grid control, such that it has a great value in an actual application.

Abstract: An online voltage control method for coordinating multi-type reactive power resources is provided. First, a linearized power flow equation of branch reactive power is established, and an online voltage control model of multi-type reactive power resources including an objective function and constraint conditions is constructed. The constraint conditions includes generator reactive power constraints, reactive power compensator constraints, transformer tap position constraints, a nodal reactive power balance constraint, and slack contained nodal voltage constraints. Then, an optimization result of voltage control is obtained by solving the model.