Abstract: A separator and a preparation method thereof, a secondary battery, and an electric apparatus are described. The separator includes a first base film and a coating provided on at least one surface of the first base film. The coating includes a thermosensitive functional material. The thermosensitive functional material includes a high-temperature-resistant core layer and a thermosensitive surface layer at least partially enveloping the high-temperature-resistant core layer. The high-temperature-resistant core layer includes one or more of organic polymer fiber and inorganic particle that is surface-modified by a silane coupling agent. This application relates to corresponding preparation method of separator, secondary battery, and electric apparatus. The separator has low pore-closing temperature and high puncture strength, thereby improving the safety performance of the corresponding battery.

Abstract: Provided are an antibody having effective neutralizing activity against RSV or an antigen-binding fragment thereof. The provided anti-RSV antibody or antigen-binding fragment thereof can be used as a drug for treating or preventing RSV infection or symptoms related to RSV infection. The provided RSV antibody, after humanization, can bind RSV-F protein with high affinity. In addition, experiments show that it is significantly better than palivizumab at providing protection against RSV challenge.

Abstract: A front light source and a display device are disclosed, and the front light source includes a housing extending along a first direction, and a side wall of the housing having an opening extending along the first direction; a supporting frame, located inside the housing and extending along the first direction, where the supporting frame includes a supporting surface; a light bar, where the light bar extends along the first direction and is attached to the supporting surface; and a side of the light bar far away from the supporting surface has a plurality of light-emitting units arranged along the first direction; a polarizing lens located between the light bar and the opening and extending along the first direction; where the polarizing lens includes: a light incident surface, a light exiting surface, a first reflective curved surface and a second reflective curved surface, extending along the first direction.

Abstract: Disclosed is an adhesive tape for an electrode tab, which includes a base-material layer and an adhesive layer. The adhesive layer includes a thick region and a thin region which extend from a side edge of the adhesive tape in a width direction of the adhesive layer, the thick region is distributed along the side edge of the adhesive tape, and an adhesive layer thickness of the thick region is greater than an adhesive layer thickness of the thin region. A ratio of an area of the thin region to an area of the thick region is 1:0.02-0.25, optionally 1:0.025-0.18, and further optionally 1:0.0275-0.125. The adhesive tape covers an edge of the tab to fundamentally prevent contact between the tab and a battery cell body.

Abstract: Provided are a set and a display device. The set includes a display module including a display panel, a module mold frame, a front housing and a backplane. At least part of front housing is located on a light-emitting side of display panel and is disposed opposite to at least one side edge of module mold frame; front housing is provided with first and second connecting structures, the module mold frame has a first module mold frame side edge where a third connecting structure is disposed, the backplane of display module is provided with a fourth connecting structure. First and third connecting structures cooperate to limit the position of front housing in a plane parallel to a light-emitting surface of display module; second and fourth connecting structures cooperate to limit the position of front housing in a direction perpendicular to light-emitting surface.

Abstract: This application provides a positive-electrode plate, including a current collector, and a first active substance layer and a second active substance layer that are sequentially disposed on a surface of the current collector. The first active substance layer includes a first positive-electrode active material, and the first positive-electrode active material includes at least one of a compound represented by Formula (I) Li1+x1Mna1M1-a1O2-y1Ay1 or a compound represented by Formula (II) Li1+x2Mna2N2-a2O4-y2By2. The second active substance layer includes a second positive-electrode active material having a pH value of from 10˜12. In this application, the active substance layer that includes high-pH positive-electrode active material is disposed outside the active substance layer that includes a lithium manganese-based positive-electrode active material, so as to make a layered electrode plate.

Abstract: Provided are a battery winding method, a battery winding system, a battery and an electrical device. The battery winding method includes: winding; photographing a picture of a current winding layer; acquiring position data of a first point and of a second point according to the picture of the current winding layer, converting the position data of the first point to obtain the converted position data of a converted first point using a preset conversion matrix corresponding to the current winding layer based on the number of the current winding layers and calculating data of displacement between the first and second electrode plates based on the converted position data of the converted first point and the position data of the second point, and determining if the data of displacement is within a threshold value scope, if so, returning to wind a next winding layer, and if not, sending an alarm.

Abstract: A electronic device includes: a body, a light-emitting component, a photosensitive component, and a processor, wherein the light-emitting component, the photosensitive component, and the processor are all disposed in the body, and the photosensitive component is connected to the processor; the light-emitting component is configured to emit probe light; the photosensitive component is configured to acquire optical information about reflected light of the probe light in response to receiving the reflected light; and the processor is configured to determine a movement trajectory of the light-emitting component based on the optical information.

Abstract: The present disclosure discloses a preparation method of an organosilica/ceramic composite membrane with a gradient pore structure. The preparation method comprises: (1) selecting a porous ceramic material as a membrane support layer; (2) gradually replacing a solvent with water to prepare zirconium colloidal sols with different particle sizes, and successively coating the prepared zirconium colloidal sols onto a ceramic support from large to small so as to form a membrane transition layer with a gradient pore structure; and (3) catalytically synthesizing an organosilica polymeric sol using hydrochloric acid, coating the prepared organosilica sol onto the preheated transition layer through ultrasonic thermal spraying to undergo heat treatment, so as to prepare the organosilica/ceramic composite membrane with the gradient pore structure. According to the present disclosure, the transition layer with the gradient pore structure is prepared by using the zirconium colloidal sols with different particle sizes.

Abstract: Provided herein is a method of treating, preventing, or ameliorating one or more symptoms of a glucokinase-mediated disorder, disease, or condition in a renally impaired subject with a glucokinase activator (GKA), for example, dorzagliatin. Also provided herein is a method of treating, preventing, or ameliorating one or more symptoms of a diabetes in a renally impaired subject with a GKA. Additionally, provided herein is a method of treating, preventing, or ameliorating one or more symptoms of a chronic kidney disease with a GKA.

Abstract: The present invention relates to a positive electrode plate and an electrochemical device. The positive electrode plate comprises a current collector, a positive active material layer and a safety coating disposed between the current collector and the positive active material layer, wherein the safety coating comprises a polymer matrix, a conductive material and an inorganic filler, wherein the polymer matrix comprises at least two types of polymer materials, and the first type of polymer material is fluorinated polyolefin and/or chlorinated polyolefin, and the solubility of the second type of polymer material in oil solvent is smaller than the solubility of the first type of polymer material; and the weight percentage of the first type of polymer material relative to the total weight of the polymer matrix, the conductive material and the inorganic filler is 17.5% or more. The positive electrode plate improves high temperature safety of electrochemical device.

Abstract: The present application provides a method of designing a high shielding gradient coil for a planar superconducting magnetic resonance imaging (MRI) system and a gradient coil thereof, the method determines a shielding area according to an outer profile of a metal conductor around the position of the gradient coil in the planar superconducting MRI system, and performs partitioned shielding of a stray field. The constraint values of stray fields at different partitioned zones of the shielding area are adjusted according to the shielding requirements. The primary coils of both the transverse gradient coil and the longitudinal gradient coil optimized by the design method of the high shielding gradient coil contain a reverse coil, which generates a magnetic field that offsets leakage magnetic field of other coils, thus achieving the purpose of reducing the stray field of the gradient coil.

Abstract: The present application relates to the electrochemical field, and in particular, to a negative electrode plate and a secondary battery including the electrode plate. The present application provides a negative electrode plate. The negative electrode plate includes a negative electrode current collector, a first negative electrode active substance layer disposed on at least one surface of the negative electrode current collector, and a second negative electrode active substance layer disposed on the first negative electrode active substance layer. The first negative electrode active substance layer includes a first negative electrode active substance, and the second negative electrode active substance layer includes a second negative electrode active substance. The first negative electrode active substance satisfies 1 GPa?Young's modulus?10 GPa, and the second negative electrode active substance satisfies 11 GPa?Young's modulus?30 GPa.

Abstract: Provided are a battery winding method, a battery winding system, a battery and an electrical device. The battery winding method includes: winding; photographing a picture of a current winding layer; acquiring position data of a first point and of a second point according to the picture of the current winding layer, converting the position data of the first point to obtain the converted position data of a converted first point using a preset conversion matrix corresponding to the current winding layer based on the number of the current winding layers and calculating data of displacement between the first and second electrode plates based on the converted position data of the converted first point and the position data of the second point, and determining if the data of displacement is within a threshold value scope, if so, returning to wind a next winding layer, and if not, sending an alarm.

Abstract: This application provides a coating system, and relates to the technical field of coating. The coating system may include a coating head, a feeding apparatus, and a valve. The coating head may be equipped with at least two dispensing cavities independent of each other. Each dispensing cavity may include a coating opening. The feeding apparatus may be connected to the dispensing cavity, and the feeding apparatus may be configured to feed a slurry to the dispensing cavity. The valve may be disposed between at least one dispensing cavity and the feeding apparatus, and configured to implement communication or disconnection between a corresponding dispensing cavity and the feeding apparatus.

Abstract: The present application provides a method of designing a high shielding gradient coil for a planar superconducting magnetic resonance imaging (MRI) system and a gradient coil thereof, the method determines a shielding area according to an outer profile of a metal conductor around the position of the gradient coil in the planar superconducting MRI system, and performs partitioned shielding of a stray field. The constraint values of stray fields at different partitioned zones of the shielding area are adjusted according to the shielding requirements. The primary coils of both the transverse gradient coil and the longitudinal gradient coil optimized by the design method of the high shielding gradient coil contain a reverse coil, which generates a magnetic field that offsets leakage magnetic field of other coils, thus achieving the purpose of reducing the stray field of the gradient coil.

Abstract: An IGZO thin-film transistor and a method for manufacturing same. The method comprises: acquiring a substrate; forming an IGZO layer on the substrate by means of a solution process; doping V impurities on a surface of the IGZO layer by means of a spin doping process; forming a source electrode at one side of the IGZO layer, and forming a drain electrode at the other side thereof; forming a gate dielectric layer on the doped IGZO layer; and forming a gate electrode on the gate dielectric layer.

Abstract: Embodiments of this application provide an electrode assembly, a manufacturing method and manufacturing system of same, a battery cell, and a battery. The electrode assembly includes a negative electrode plate and a positive electrode plate, where the negative electrode plate and the positive electrode plate are wound in a winding direction to form a winding structure, and the winding structure includes a bending zone. The negative electrode plate and the positive electrode plate each include a plurality of bending portions located in the bending zone.

Abstract: This application provides a positive electrode plate includes a positive electrode current collector, a first positive electrode membrane, and a second positive electrode membrane. The first positive electrode membrane includes a first positive electrode active material selected from one or more of phosphate materials LiFe1-x-yMnxMyPO4, where 0?x?1, 0?y?0.1, 0?x+y?1, M is selected from one or more of Cr, Mg, Ti, Al, Zn, W, Nb, or Zr. The second positive electrode membrane is arranged on the first positive electrode membrane and includes a second positive electrode active material, gram capacity of the second positive electrode active material is greater than gram capacity of the first positive electrode active material, the second positive electrode active material is different from the first positive electrode active material. Thickness D0 of the positive electrode current collector is less than or equal to thickness D1 of the first positive electrode membrane.

Abstract: A electronic device includes: a body, a light-emitting component, a photosensitive component, and a processor, wherein the light-emitting component, the photosensitive component, and the processor are all disposed in the body, and the photosensitive component is connected to the processor; the light-emitting component is configured to emit probe light; the photosensitive component is configured to acquire optical information about reflected light of the probe light in response to receiving the reflected light; and the processor is configured to determine a movement trajectory of the light-emitting component based on the optical information.