Abstract: A battery pack includes a battery body, a housing, and a heat sink. The housing surrounds a part of the surface of the battery body. The heat sink is disposed on the housing. A bottom surface of the heat sink abuts against a bus board disposed on the upper end of the battery body, and the heat sink is in thermal contact with a module electrode at the upper end of the battery body. In the battery pack provided by the present application, heat dissipation around the battery body could be achieved, heat generated by a tab or heat conducted by the battery body to the tab could also be guided outwards, so that all-round heat dissipation around the battery pack is achieved. The battery pack provided by the present application is suitable for the unmanned aerial vehicle and meets the high heat dissipation requirement.

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: Disclosed is a recoverable and self-expanding short-frame valve suitable for aortic valve regurgitation, including a tubular frame and valve leaflets. The tubular frame can contract to a delivery configuration or expand to a use configuration in a radial direction; the tubular frame includes a first portion and a second portion integrally formed and coaxially arranged; a waist portion is formed at the junction of the first portion and the second portion when the tubular frame is in the use configuration; and the second portion is divergently arranged in a direction away from the waist portion. According to the present disclosure, the complete recovery of the valve can be realized without affecting the later coronary intervention.

Abstract: A labeling method for information security detection rules and tactic, technique and procedure (TTP) labeling device for the same are provided. The labeling method includes: obtaining reference documents related to definitions of TTP and classify the reference documents to generate corpuses; creating a keyword thesaurus; obtaining to-be-labeled detection rules, and extracting key information fields from the to-be-labeled detection rules and comparing the key information fields with keywords, so as to label the to-be-labeled detection rules; for the to-be-labeled detection rules that are not labeled, performing a text similarity calculation on the key information fields and the corpuses, and labeling those not labeled of the to-be-labeled detection rules with the corpus having the highest similarity; training with the labeled detection rules and the corpuses as a training data set to generate a TTP labeling model; and inputting a current to-be-labeled detection rule to generate a TTP labeling result.

Abstract: A coated film having improved optical properties and increased recyclability properties comprising a combination of: (a) at least one film layer of a recyclable polyolefin; and (b) at least one recyclable coating layer disposed on at least a portion of the surface of one side of the at least one film layer of the recyclable polyolefin such that the at least one coating layer provides the coated film with an increase gloss at 60°, a reduced haze, an increase in clarity; and a recyclability property.

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: The present disclosure provides a phase shifter and an antenna.

Abstract: The present disclosure discloses a text classification system based on feature selection and a method thereof in the technical field of natural language processing and short text classification, comprising: acquiring a text classification data set; dividing the text classification data set into a training text set and a test text set, and then pre-processing the training text set and the test text set; extracting feature entries from the pre-processed training text set through improved chi-square statistics to form feature subsets; using TF-IWF algorithm to give the weight to the extracted feature entries; based on the weighted feature entries, establishing a short text classification model based on a support vector machine; and classifying the pre-processed test text set by the short text classification model. The present disclosure solves the problem that the short text content is sparse to some extent, thereby improving the performance of short text classification.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for handover and reestablishment in a wireless communication system. According to some embodiments of the disclosure, a method may include: receiving, at a user equipment (UE), a radio resource control (RRC) reconfiguration message including a path switch indication and a list of candidate relays; selecting a target relay from the list of candidate relays; and establishing a PC5 RRC connection with the target relay. Furthermore, the UE may select another target relay for path switch if a path switch failure associated with the first selected target relay happens.

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: Methods and apparatus are provided for searcher resource coordination between NR mobility based measurement and LTE (E-UTRA) PRS based measurement without measurement gap in EN-DC mode or NE-DC mode. Other embodiments are also provided for searcher resource coordination between NR PRS measurement and LTE (E-UTRA) PRS measurement without measurement gap in EN-DC mode or NE-DC mode. Further embodiments provide for searcher resource coordination between NR or LTE (E-UTRA) PRS measurement and NR mobility measurement without measurement gap in EN-DC mode or NE-DC mode.

Abstract: The exemplary embodiments relate to a user equipment (UE) performing radio link monitoring of a sidelink. The UE may transmit a signal over the sidelink and receive an indication of a type of hybrid automatic repeating request (HARQ) feedback in response to the signal. The UE may then generate a radio link metric associated with the sidelink based on the type of HARQ feedback. The UE may determine that the radio link metric satisfies a predetermined threshold and initiate a keep alive procedure for the sidelink based on the radio link metric satisfying the predetermined threshold.

Abstract: The disclosed adhesive compositions comprise (A) an isocyanate component comprising (i) an isocyanate and (ii) an isocyanate-terminated silane compound. In some embodiments, the isocyanate-terminated silane compound (ii) is the reaction product of a polyisocyanate and an isocyanate-reactive compound comprising a silane group and at least one isocyanate-reactive group selected from the group consisting of —OH, —SH, and —NHR, where R stands for an alkyl remainder having from 1 to 12 C atoms or a cycloaliphatic or aromatic remainder having between 6 and 12 C atoms. In other embodiments, the isocyanate-terminated silane compound (ii) is the reaction product of a polyisocyanate selected from the group consisting of isophorone diisocyanate, m-xylylene diisocyanate, mixtures thereof, dimers thereof, trimers thereof, prepolymers thereof, and combinations thereof and an isocyanate-reactive compound comprising a silane group and at least one isocyanate-reactive group of —NH2.

Abstract: The present disclosure provides a flow battery and a cell stack. The cell stack includes: a first end plate; a second end plate; and at least one cell module arranged between the first end plate and the second end plate. Each cell module includes a first flow channel end plate, a second flow channel end plate arranged opposite to the first flow channel end plate, and single-cell assemblies arranged between the first flow channel end plate and the second flow channel end plate. The single-cell assemblies include at least three hermetically-assembled cell assemblies, the first flow channel end plate is provided with arch-like flow channels, the second flow channel end plate is provided with arch-like flow channels, and each arch-like flow channel is provided with a flow channel aperture in communication with the at least three hermetically-assembled cell assemblies.

Abstract: A back drilling processing method for a circuit board includes: obtaining a board to be back drilled, wherein the board includes a target signal layer and at least two conductive reference layers; drilling a through hole at a set position of the board, and obtaining an actually measured spacing between two conductive reference layers; in response to a hole to be back drilled being of a first type, determining a target back drilling depth; controlling a drilling bit to drill for the target back drilling depth towards the target signal layer; in response to the hole to be back drilled being of a second type, determining a target relative height of a back drilling end point relative to a machine; and controlling the drilling bit to drill for the target relative height towards the target signal layer. The back drilling does not drill through the target signal layer.

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: An electrolyte composition comprising a solution comprising an active salt; and a solvent portion that comprises a first solvent and a second solvent, wherein the first solvent is a hydrofluorocarbon compound having a structure of CxHyFz, wherein x is from 4 to 10, y is from 1 to 10, z is from 5 to 20, and the z:y ratio is from 2:1 to 10:1.

Abstract: An array substrate (100) and a display device. The array substrate (100) includes a bonding area (102). The array substrate (100) includes a substrate (10), a first conductive layer (20) on the substrate (10), a first insulating layer (30) on one side of the first conductive layer (20) away from the substrate (10), and a second conductive layer (40) on one side of the first insulating layer (30) away from the substrate (10). The bonding area (102) is provided with bonding pins (201), and the bonding pin (201) includes a first conductive portion (21) and a second conductive portion (41) located on the side of the first conductive portion (21) away from the substrate (10), the first conductive portion (21) is located in the first conductive layer (20), the second conductive portion (41) is located in the second conductive layer (40), and the first conductive portion (21) is in direct contact with the second conductive portion (41).

Abstract: The present application relates to a method and an apparatus for performing cell measurement process. One embodiment of the present disclosure provides a method performed by a method performed by a User Equipment (UE) in a wireless network with a variable coverage, comprising: performing a cell measurement process of one or more cells of the wireless network; and in response to a variation in the coverage of the wireless network in relation to the UE, disabling the cell measurement process of the one or more cells of the wireless network.

Abstract: A feeding structure is provided, which includes first and second substrates opposite to each other, a reference electrode, and a dielectric layer between the first and second substrates. The first substrate includes a coupling branch and a delay branch, which are respectively connected to two output terminals of a power divider and form a current loop with the reference electrode, on a side of a first base plate proximal to the dielectric layer. The second substrate includes a receiving electrode on a side of a second base plate proximal to the dielectric layer, the receiving electrode and the coupling branch form a coupling structure, and their orthographic projections on the first base plate at least partially overlap each other. A length of an orthographic projection of both the coupling branch and the receiving electrode on the first base plate is different from a length of the delay branch.