Abstract: A laser system according to an example of the present disclosure comprises: a supercontinuum laser that generates light with a visible wavelength; a wavelength selector comprising a filter whose angle is adjustable and configured to filter the wavelength of light incident from the supercontinuum laser to have a wavelength corresponding to the angle of the filter based on the angle of the filter; a compressor configured to compress the pulse width of light incident from the wavelength selector; and, a non-linear crystal configured to convert the wavelength of light incident from the compressor into an ultraviolet wavelength.

Abstract: A display panel includes a drive backplane; a first electrode layer, including a plurality of first electrodes distributed in an array, where the first electrode includes a flat middle part and an edge part surrounding the middle part; a light-emitting function layer, at least partially covering the middle part; and a second electrode, covering the light-emitting function layer, and including a separating part and a plurality of flat parts separated by the separating part, where orthographic projections of the flat parts on the drive backplane are located in one-to-one correspondence within orthographic projections of the first electrodes on the drive backplane, the separating part includes a protruding area and a first recessed area connecting the protruding area and the flat part, and the protruding area is provided with a second recessed area recessed toward the drive backplane.

Abstract: Proposed is a wind turbine blade with a lightning protection receptor. The wind turbine blade with a lightning protection receptor is a technology that allows for excellent lightning capture rate for both negative and positive lightning by improving lightning measures for conventional wind turbines, which are vulnerable to positive lightning, in line with the increasing wind turbine heights for large-scale power generation and the trend toward offshore wind power, and that minimizes post-repair/supplementary measures by limiting blade damage/coating peeling due to lightning strikes to a narrow area, unlike in the conventional case where damage or peeling of the coating occurs over the entire area of a blade when struck by lightning on an edge wire inserted into the lateral inner side of the blade.

Abstract: A touch structure, a touch display panel, and a display device are provided. The touch structure includes a substrate and a first metal grid electrode layer, an insulating layer, a second metal grid electrode layer on the substrate. The first metal grid electrode layer is on a side of the second metal grid electrode layer away from the substrate; the first metal grid electrode layer includes a plurality of first metal grids formed by a plurality of first metal lines, the second metal grid electrode layer includes a plurality of second metal grids formed by a plurality of second metal lines, first portions of the plurality of the first metal lines and second portions of the plurality of the second metal lines have same line extension directions, respectively, and overlap with each other in a direction perpendicular to a surface of the substrate.

Abstract: An iodine gas detection system is configured to detect iodine atoms, and the system includes a housing having an aperture, an iodine sensitive sensor located within the housing and configured to directly interact with the iodine atoms that enter through the aperture within the housing, a processor located within the housing and configured to process data collected from the iodine sensitive sensor, and a memory located within the housing and configured to store a result generated by the processor. The iodine sensitive sensor includes plural layers of reduced graphene oxide, rGO, disposed substantially parallel to each other, Ag nanoparticles distributed among the plural layers of rGO, and a surfactant polymer selected to be a surfactant and distributed among the plural layers of rGO.

Abstract: The present application relates to a positive electrode active material and a preparation method thereof, a positive electrode sheet and a secondary battery. The positive electrode active material has a composition chemical formula of LixNa1-xAyB1-yO2-nDn, where A is selected from a combination of Ni and Mn, B is selected from at least one non-alkali metal positive-valent element other than Ni, Mn, Co, and S, D is selected from F and/or S, 0.8?x?0.92, 0.90?y<1.0, 0<n?0.2, and a peak position difference between the Ni—O bond and the Mn—O bond of the positive electrode active material in a Raman spectrum is greater than 80 cm?1 and less than 110 cm?1. The positive electrode active material has high specific capacity and high cycle stability at a high voltage window, and low cost, causing the prepared secondary battery to have high cost performance.

Abstract: A manganese-based carbonate precursor of a positive electrode material for a secondary battery has a specific structure and composition and contains a trace amount of uniformly distributed Na element, a content of Na is in a range of 0.5-3 mol %, which range can ensure that the structural integrity and consistency of carbonate crystals are not affected. In addition, the trace amount of Na element is uniformly distributed inside the manganese-based carbonate precursor provided in the present application, and by means of simple mixing with a lithium source and sintering, a lithium-rich manganese-based material uniformly doped with Na element can be directly obtained without the need for introducing other Na source, whereby uneven doping of Na is effectively avoided, the doping effect is improved, and the electrical properties of the material are significantly improved.

Abstract: The disclosure relates to magnetic resonance imaging triggered by a prospective acquisition correction sequence. The technique comprises determining repetition time and an acquisition window time of a single-shot fast spin echo sequence; determining the maximum imaging layer number N in each physiological movement cycle on the basis of the acquisition window time and the repetition time, where N is a positive integer greater than or equal to 2; and enabling the single-shot fast spin echo sequence to obtain M layers of imaging data within at least one acquisition window time when the prospective acquisition correction sequence generates a trigger signal, where M is a positive integer greater than or equal to 2 and less than or equal to N. According to the present disclosure, a plurality of layers of imaging data are obtained within a single acquisition window time, thereby increasing a scanning speed and shortening imaging time.

Abstract: A mesoporous cerium oxide nano-material and a preparation method and an application thereof are provided in the present disclosure, belonging to the technical field of porous materials. The preparation method includes the following steps: using porous organic frameworks material as a templating agent, impregnating and adsorbing cerium salt precursor under an action of alkali, and removing the templating agent by roasting pyrolysis to obtain the mesoporous cerium oxide nano-material. POFs is carbonized into mesoporous carbon materials by calcination in inert atmosphere, which supports the mesoporous channels of cerium oxide, and then the carbonized carbon materials of POFs are removed by calcination in air atmosphere, forming the mesoporous structure of cerium oxide. The mesoporous cerium oxide nano-material prepared by the present disclosure has a high specific surface area and mesoporous structure, and is used as a catalytic material or catalyst carrier.

Abstract: According to one aspect of the present invention, there is provided a local data protection system including a data protection agent program installed on a local computing device, which, in accordance with a preset security policy, directs storage of data files stored on the local computing device to a security area, and performs predetermined data protection functions to prevent data in storage from being leaked, lost, stolen or otherwise compromised.

Abstract: The present disclosure provides a preparation method of a mesoporous CeO2-loaded Au catalyst, products and applications thereof, and belongs to the technical field of fine organic chemical industry. According to the present disclosure, firstly, COFs material COFs-41 is employed to prepare mesoporous CeO2 carrier material with high specific surface area; then, Au nanoparticles loaded on the surface of mesoporous CeO2 carrier pores are anchored by impregnation-reduction method to produce Au@CeO2 catalyst with high specific surface area; and then, mesoporous Au@CeO2 catalyst with high specific surface area, aromatic alcohols are added to a reactor, anhydrous methanol is used as a solvent, and heating is carried out to react in an atmosphere of atmospheric oxygen for a certain period of time at room temperature, and this catalyst catalyzes the oxidative transesterification of aromatic alcohols for synthesis of aromatic esters in a highly selective manner.

Abstract: Disclosed are a flow battery degassing device, a degassing method, a system, and a storage medium. The flow battery includes a liquid tank. The flow battery degassing device includes a degassing tank, a degassing pump, a liquid outlet pipe, and a liquid inlet pipe. The liquid outlet pipe is configured to enable an electrolyte in the liquid tank to flow into the degassing tank. The liquid inlet pipe is configured to enable the electrolyte in the degassing tank to flow into the liquid tank. The degassing pump is provided on the liquid inlet pipe and configured to form a vacuum environment in the degassing tank.

Abstract: Embodiments of the present disclosure may comprise a system for filling undercuts with an index-matching liquid on a wafer, the system comprising a plurality of edge couplers, each comprising an undercut and a waveguide. Embodiments may also comprise ribs that suspend the waveguide over the undercut. Embodiments may also comprise one or more main buckets and one or more monitor buckets. Embodiments may also comprise a duct that couples together the plurality of edge couplers, the one or more main buckets, and the one or more monitor buckets.

Abstract: A solar power plant includes a solar tracker supporting solar modules with the solar tracker supported on a first end by a first pier and on a second end by a second pier. A drive device is coupled to the solar tracker and configured to rotate the solar tracker about an axis. An energy storage unit is supported by the solar tracker between the first pier and the second pier with the energy storage unit configured to power the drive device. The solar tracker also includes a controller in communication with a memory with the memory storing instructions thereon that when executed by the controller, cause the controller to: receive forecast data for the solar power plant; determine, based on the forecast data, a diffuse angle adjustment; and output a signal to the drive device to rotate the solar tracker to a desired angle based on the diffuse angle adjustment.

Abstract: The invention discloses a method for synthesizing 1,7-naphthyridine derivatives, which relates to the technical field of synthesizing pharmaceutical intermediates and organic chemical intermediates, wherein the method includes: (1) 2-chloro-3-amino-pyridine being used as Compound I as a starting material, and protecting an amino group to prepare Compound II; (2) the Compound II reacting with an aldehydation reagent under alkaline conditions to obtain Compound III; (3) cyclizing the Compound III with acrylate compounds under the action of Lewis acid to prepare compound IV.

Abstract: A touch control substrate includes: a base, a first metal layer including first touch control signal lines, a first insulating layer; and a second metal layer including: second touch control signal lines electrically connected with the first touch control signal lines. An orthographic projection of an edge of a first end of the first touch control signal line on the base does not overlap with an orthographic projection of an edge of a first end of the second touch control signal line electrically connected with the first touch control signal line on the base. The orthographic projection of the edge of the first end of the first touch control signal line on the base at least partially overlap with an orthographic projection of the second touch control signal line on the base.

Abstract: The present application provides a model training method and apparatus, a speech-to-speech translation method and apparatus, and a medium. The method includes: obtaining a speech recognition sample and a real speech-to-speech translation sample; generating a pseudo-labeled speech-to-speech translation sample based on the speech recognition sample; and training a speech-to-speech translation model based on the pseudo-labeled speech-to-speech translation sample and the real speech-to-speech translation sample. Therefore, the model training precision can be improved.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.

Abstract: Provided are a system and a method for impact testing and monitoring of a high-energy flexible net. The system includes a vertical impact testing unit, a slope impact testing unit, an impact simulation unit, and an impact monitoring unit. The vertical impact testing unit includes a vertically positioned gravity wall. The slope impact testing unit includes a wall slope positioned perpendicularly to a second side of the gravity wall. A first side of the gravity wall and a slope surface of the wall slope are securely provided with a flexible net, respectively. The impact simulation unit includes an impact assembly and a lifting assembly. The impact monitoring unit is configured to monitor a deformation result and an internal force change result of the flexible net.

Abstract: This application provides a dynamic scene processing method and apparatus, and a neural network model training method and apparatus, and relates to the field of artificial intelligence. The method includes: obtaining time domain spectral data X(?, x, y) of a dynamic scene, where ? indicates a frequency domain dimension of the dynamic scene along a time direction, and x and y indicate spatial dimensions of the dynamic scene; and using the time domain spectral data as an input of a neural network model, to obtain a processing result of the dynamic scene. In this application, precision of the processing result of the dynamic scene can be improved.