Abstract: Disclosed is a hollow sulfide microsphere with enriched sulfur vacancies, which is prepared by a method comprising the steps of: dissolving cobalt nitrate and nickel nitrate in a mixed solution of N, N-dimethylformamide and acetone with an equal volume; then adding a chelating agent thereto, subjecting a resulting mixture to a solvothermal reaction to obtain a coordination polymer microsphere; dissolving the coordination polymer microsphere and a sulfurization agent in an organic solvent, and reacting to obtain a hollow sulfide microsphere; and subjecting the hollow sulfide microsphere to reduction treatment with sodium borohydride, centrifuging, washing and drying to obtain the hollow sulfide microsphere with enriched sulfur vacancies having a particle size of 1-2.5 ?m, a shell thickness of 15-30 nm and a specific capacity of the material of 763.4 C g?1 (current density is 1 A g?1).

Abstract: Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for configuring and implementing radio resource management (RRM) measurements for monitoring neighboring cells based on synchronization signal block (SSB) timing groups in an radio resource control (RRC) connected (RRC_CONNECTED) state. Various embodiments describe how to determine a set of SSB timing groups, and how to generate a receiver switching pattern based on the set of SSB timing groups and/or SSB scanning measurements. The embodiments also describe determination and implementation of an SSB scanning mode and an SSB Other embodiments may be described and claimed.

Abstract: Provided is an illumination device comprising a support structure and a light-emitting component being provided on one side of the support structure. The support structure also has an opening on one of its sides and an optical component cooperating with the opening to form an accommodating space. The illumination device also comprises an integrally formed light transmission portion provided above a light-emitting side of the light-emitting component. The light transmission portion is configured to transmit light from the light-emitting component. The illumination device additionally comprises a plurality of sealing portions being integrally formed.

Abstract: A light-emitting element includes a pair of electrodes, a first light-emitting unit, a second light-emitting unit, and a charge generation layer. The first light-emitting unit, between the pair of electrodes, and the first light-emitting unit, includes a first light-emitting layer. The second light-emitting unit, between the pair of electrodes, includes a second light-emitting layer. A first luminescent layer includes a first main body material, a second main body material, a first guest material, and a first auxiliary material, and the first main body material forms a first excimer complex with the second main body material. A first excited triplet state energy level of the first auxiliary material is lower than a first excited triplet state energy level of the first excimer complex, and the first excited triplet state energy level of the first auxiliary material is higher than that of the first guest material.

Abstract: The present disclosure provides a method and apparatus for building a database for retrieval. An implementation of the method comprises: acquiring a data set, and dividing the data set into a first data set and a second data set; clustering the data in the first data set, to obtain at least one first-level cluster center; clustering the data in the first data set based on the first-level cluster center, to obtain corresponding at least one second-level cluster center; obtaining a codebook corresponding to the first data set based on residuals between the data in the first data set and the first-level cluster center and residuals between the data in the first data set and the second-level cluster center; and training the second data set based on the codebook corresponding to the first data set, to obtain a codebook corresponding to the data set.

Abstract: The present disclosure provides a dual-mode orbital angular momentum (OAM) convergence base cell array and metasurface preparation method. The base cell array includes 2n(2n?1) anisotropic cell structures and 2n isotropic cell structures. Each of the anisotropic cell structures includes a bottom ground layer, a dielectric substrate layer and a top pattern layer which are disposed in sequence from bottom to top, where each top pattern layer has an axisymmetric H-shaped structure. Each of the isotropic cell structures includes a bottom ground layer, a dielectric substrate layer and a top pattern layer which are disposed in sequence from bottom to top, where each top pattern layer has a square structure.

Abstract: A method, system, electronic device and storage medium for constructing locally convex feasible space are provided. The method includes acquiring a plurality of initial motion trajectory points, size information and surrounding obstacle information of a target vehicle; generating a quadtree map according to the above information; determining a target distance corresponding to each initial motion trajectory point according to the quadtree map; allocating locally convex feasible space to a first-type initial motion trajectory point by using the quadtree map, and allocating locally convex feasible space to a second-type initial motion trajectory point by using an improved convex feasible set algorithm. The first-type initial motion trajectory point is an initial motion trajectory point with the target distance greater than or equal to a set threshold; and the second-type initial motion trajectory point is an initial motion trajectory point with the target distance less than the set threshold.

Abstract: Disclosed in the present application are a concrete protection material, and a preparation method and a construction method therefor. The concrete protection material consists of 50%-90% of a component A and 10%-50% of a component B in percentage by weight, where the component A is prepared from 30%-65% of organic silicon, 2%-5% of nano-silicon dioxide and the balance of an organic solvent in percentage by weight; and the component B is prepared from 20%-50% of an organic base and the balance of water in percentage by weight. The present application not only can form nano-particles having a strengthening effect in capillary channels of a concrete surface layer, but also can achieve a technical effect of superhydrophobicity on the concrete surface layer.

Abstract: A quinoline mercaptoacetate sulfonamide derivative, an intermediate, a pharmaceutical derivative or a formulation, and a preparation method and use therefor, wherein the structure of the quinoline mercaptoacetate sulfonamide derivative is as represented by the following formula (I). A preparation method for a compound containing a structure is also represented by the following formula. Experiments show that the compound has a good inhibitory effect on URAT1 transport uric acid in HEK293 transfected cells, and that the compound has good application prospects in the treatment of hyperuricemia or gout.

Abstract: Disclosed are a polyethylene glycol conjugate drug, and a preparation method therefor and the use thereof. Specifically, the present invention relates to a polyethylene glycol conjugate drug represented by formula A or a pharmaceutically acceptable salt thereof, a method for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, an intermediate for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, and the use of the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof in the preparation of a drug.

Abstract: The present disclosure provides a neural network-based method for calibration and localization of an indoor inspection robot. The method includes the following steps: presetting positions for N label signal sources capable of transmitting radio frequency (RF) signals; computing an actual path of the robot according to numbers of signal labels received at different moments; computing positional information moved by the robot at a tth moment, and computing a predicted path at the tth moment according to the positional information; establishing an odometry error model with the neural network and training the odometry error model; and inputting the predicted path at the tth moment to a well-trained odometry error model to obtain an optimized predicted path. The present disclosure maximizes the localization accuracy for the indoor robot by minimizing the error of the odometer with the odometry calibration method.

Abstract: The present disclosure relates to the field of environment monitoring equipment, and in particular, to a device for determining threshold wind speed in intermittent wind-sand flow. The device includes a base. A rotary bearing is installed on the base. A circuitry is installed in the base. A telescopic rod is installed through the rotary bearing. A wind driven vane and an earth surface wind-sand monitoring frame are installed on the telescopic rod. Photoelectric induction probes are installed on the earth surface wind-sand monitoring frame.

Abstract: The present invention discloses a extra thick hot rolled H section steel and a production method therefor. The extra thick hot rolled H section steel contains, by mass, the following chemical components: 0.04-0.11% of C, 0.10-0.40% of Si, 0.40-1.00% of Mn, 0.40-1.00% of Cr, 0.10-0.40% of Cu, 0.020-0.060% of Nb, 0.040-0.100% of V, 0.010-0.025% of Ti, 0.010-0.030% of Al, 0.0060-0.0120% of N, not more than 0.015% of P, not more than 0.005% of S, not more than 0.0060% of O, and the balance Fe and trace residual elements, wherein 0.090%?Nb+V+Ti?0.170%, 6.5?(V+Ti)/N?10.5, and 0.30%?CEV?0.48%. The extra thick hot rolled H section steel has a flange thickness of 90 mm-150 mm, has excellent comprehensive mechanical properties, and can well meet the needs for heavy supporting structural parts of high-rise buildings, large squares, bridge structures, etc.

Abstract: The present invention discloses an automatic modulation classification method based on deep learning network fusion, comprising: acquiring a WBFM sample signal within a data set RML 2016.

Abstract: Disclosed are a device and method for detecting defects of a high-voltage cable cross-bonded grounding system. The method comprises: selecting a protective grounding box of a cross-bonded grounding system, respectively connecting a signal excitation coupler to A-phase, B-phase and C-phase coaxial cables of the protective grounding box, selecting a stable signal with a frequency different from a power frequency or a field interference frequency, and testing effective current values and phases responded by the A-phase, B-phase and C-phase coaxial cables when the stable signal with the frequency F1 is injected into the A-phase, B-phase and C-phase coaxial cables of the protective grounding box in a coupled manner; and obtaining resistances and inductances of branch circuits of the cable cross-bonded grounding system by calculation according to measurement data, and determining if the cable cross-bonded grounding system has a connection defect.

Abstract: A method and system for decomposing cross-domain path planning of an amphibious vehicle.

Abstract: The present disclosure discloses a composite crossarm and a power transmission tower. The composite crossarm includes two post insulators and two suspension insulators. Of the two post insulators and the two suspension insulators, one ends are configured to be connected to a tower body of a power transmission tower, and the other ends are connected together to form an end portion of the composite crossarm to hang a power transmission line. The two suspension insulators are located on same sides of the two post insulators and respectively arranged adjacent to the two post insulators. At the same time, an angle between the two post insulators ranges from 20° to 50°, and an angle between the post insulator and the suspension insulator adjacent thereto ranges from 15° to 45°. The composite crossarm according to the present disclosure is highly stable and convenient to for mounting grading ring.

Abstract: An IC structure includes a biologically sensitive field-effect transistor (BioBET) in a semiconductor substrate, and a dielectric layer over a backside surface of the semiconductor substrate. The dielectric layer has a sensing well extending through the dielectric layer to a channel region of the BioFET. The IC structure further includes a biosensing film, a plurality of fluid channel walls, and a first heater. The biosensing film lines the sensing well in the dielectric layer. The fluid channel walls are over the biosensing film and define a fluid containment region over the sensing well of the dielectric layer. The first heater is in the semiconductor substrate. The first heater has at least a portion overlapping with the fluid containment region.

Abstract: Disclosed is a method for automatically generating interactive test cases. The method comprises: after a UI of an application program is displayed, traversing all views in a view tree corresponding to the UI of the application program, and recording a path, in the view tree, of each view therein that can be clicked on, so as to obtain a set of path information, in the view tree, of all the views that can be clicked on in the UI; and respectively generating a corresponding test case for each piece of path information in the set: in the test case, according to path information, in the view tree, of a view under test, finding the view in the UI interface of the application program, and triggering a click event therefore, that is, completing a click interaction test on the view. In the present invention, there is no strict requirements for the type and the running environment of an application program.

Abstract: A biosensor system includes an array of biosensors with a plurality of electrodes situated proximate the biosensor. A controller is configured to selectively energize the plurality of electrodes to generate a DEP force to selectively position a test sample relative to the array of biosensors.