Abstract: The application discloses a lens and its button adjustment structure. The button adjustment structure includes a connecting seat, a guidepost, a base and an elastic member. The connecting seat is fixedly connected to the lens or may be part of the lens. The connecting seat includes a first gear structure. The guidepost is fixed on a fixed member on one side of the connecting seat. The base is movably sleeved on the guidepost along an axial direction of the guidepost. The base includes a second gear structure. The elastic member is sleeved on an outer periphery of the guidepost and is located between the base and the fixed member. An elastic force of the elastic member drives the second gear structure on the base to engage the first gear structure of the connecting seat.

Abstract: The present disclosure relates to a method of manufacturing an OLED display panel, a display panel and a display device. A method of manufacturing an OLED display panel, comprising: providing a backplane, wherein a light-emitting layer is provided on the backplane, and an encapsulation layer is provided on the light-emitting layer; forming an organic layer on a side of the encapsulation layer away from the light-emitting layer using an organic material; patterning the organic layer to form a first region covered by the organic layer and a second region not covered by the organic layer on the encapsulation layer; etching the organic layer in the first region to form a plurality of pits on a surface of the organic layer away from the encapsulation layer; filling the plurality of pits with a metal to form a black mask layer; forming a color film layer in the second region; and forming a planar layer covering the color film layer and the black mask layer.

Abstract: Systems and methods for detecting roadway lane boundaries are disclosed herein. One embodiment receives image data of a portion of a roadway; receives historical vehicle trajectory data for the portion of the roadway; generates, from the historical vehicle trajectory data, a heatmap indicating, for a given pixel in the heatmap, an extent to which the given pixel coincides spatially with vehicle trajectories in the historical vehicle trajectory data; and projects the heatmap onto the image data to generate a composite image that is used in training a neural network to detect roadway lane boundaries, the projected heatmap acting as supervisory data. The trained neural network is deployed in a vehicle to generate and save map data including detected roadway lane boundaries for use by other vehicles or to control operation of the vehicle itself based, at least in part, on roadway lane boundaries detected by the trained neural network.

Abstract: A method for recycling a copper-containing wastewater from a micro-etching is provided, including: modifying a FeS material with a monomer including both carboxyl and sulfhydryl, a crosslinking agent, and a stabilizing and dispersing agent to obtain a FeS-based pH-responsive material CMC-FeS@HS #SiO2 #COOH, adding the FeS-based pH-responsive material to weakly-acidic copper-containing wastewater from the micro-etching to allow a reaction, and conducting processes such as sulfide precipitation, exchange, adsorption complexation, and flocculation precipitation to finally obtain a precipitate with CuS as a main component. This method makes full use of the pH responsiveness and abundant surface active sites of the FeS-based pH-responsive material, and can control a recovery rate of copper ions in the wastewater at 99.8% or more merely by adjusting a pH value of the copper-containing wastewater from the micro-etching.

Abstract: Disclosed are a communication method and related components. In this solution, two network stacks are firstly established, and all connection relationships between a client and each server node and between processes of any two server nodes are then divided, so as to obtain two kinds of connection relationships, wherein the two kinds of connection relationships are respectively constructed on the basis of the two network stacks, and the number of one of the two kinds of connection relationships is related to the number of QPs.

Abstract: A multicore fiber assembly in which multiple single-mode cores are coupled to form a single path. The assembly reduces the complexity of optical fiber sensor measurement and allows to keep back reflections low and measure various parameters such as fiber twist, temperature, axial strain, and fiber shape.

Abstract: An operation sequence adding method, an electronic device, and a system are provided. The method includes: detecting a first operation performed by a user on a first control; obtaining an event type of the first operation and name information of a first application in response to the first operation; displaying a second interface of the first application in response to the first operation, and detecting a second operation performed by the user on a second control; obtaining a second control identifier and an event type of the second operation in response to the second operation; saving the name information of the first application, the second control identifier, and the event type of the second operation; displaying a third interface of a second application, where the third interface of the second application includes a third control; detecting a third operation performed by the user on the third control; and displaying the second interface of the first application in response to the third operation.

Abstract: A method for 3D object detection is described. The method includes predicting, using a trained monocular depth network, an estimated monocular input depth map of a monocular image of a video stream and an estimated depth uncertainty map associated with the estimated monocular input depth map. The method also includes feeding back a depth uncertainty regression loss associated with the estimated monocular input depth map during training of the trained monocular depth network to update the estimated monocular input depth map. The method further includes detecting 3D objects from a 3D point cloud computed from the estimated monocular input depth map based on seed positions selected from the 3D point cloud and the estimated depth uncertainty map. The method also includes selecting 3D bounding boxes of the 3D objects detected from the 3D point cloud based on the seed positions and an aggregated depth uncertainty.

Abstract: A semiconductor structure includes a silicon carbide layer, which has a unit region and a termination region surrounding the unit region. A first guard ring structure is located in the termination region of the silicon carbide layer, and adjoins a top surface of the silicon carbide layer. The first guard ring structure may include at least one first guard ring well region. A second guard ring structure is located in the silicon carbide layer and below the first guard ring structure. The second guard ring structure may include at least one second guard ring well region, which corresponds to the at least one first guard ring well region in a vertical direction. A method for manufacturing the semiconductor structure is also provided.

Abstract: A display panel includes a display substrate and a reflective layer. The display substrate includes light-emitting regions and a non-light-emitting region. The reflective layer is located on a light exit side of the display substrate and includes a plurality of filter portions and reflective portions arranged between every two adjacent filter portions. The reflective portions correspond to the non-light-emitting region, and the filter portions correspond to the light-emitting regions.

Abstract: A frequency-shift symmetric chirp spread spectrum modulation and demodulation method for interstellar communication links. The transmission process includes several steps: serial-to-parallel conversion, index addition, Gray coding, binary-to-decimal conversion, and frequency-shift symmetric chirp spread spectrum modulation. On the other hand, the reception process comprises demodulation of the symmetric chirp signal, fast Fourier transform, peak retrieval, decimal-to-binary conversion, Gray decoding, index removal, and parallel-to-serial conversion. The frame structure includes a preamble code, synchronization word, and user data. The symmetric chirp signal includes a pair of chirp signals with opposite polarities, ensuring the continuity of phase and frequency during the signal concatenation process.

Abstract: An identification method of seabed weak echoes in airborne LiDAR bathymetry and a system thereof are provided, which belong to the technical field of marine surveying and mapping. The method includes: dividing sea area laser pulses into surface-seabed pulses or seabed-undefined pulses based on preprocessed data; using two-stage local maximum method to determine potential seabed echo positions of ALB waveforms and pre-generate seabed points; defining an ellipsoid neighborhood related to density and extracting spatial features of a pre-generated point cloud; constructing a BP neural network to identify seabed points in the pre-generated point cloud, and optimizing the identification result of the seabed points based on a laser pulse echo sequence and point cloud density.

Abstract: The subject technology receives a query, the query including a statement for performing the query. The subject technology performs a first lookup operation on a multi-phase cache based on the query. The subject technology performs, in response to a first cache miss of the multi-phase cache, parsing of the statement from the query. The subject technology performs, based on the parsing, a compilation process on the query to generate a compiled query plan, the compilation process determining an optimization and a generalization for the query. The subject technology determines that the compiled query plan is cacheable. The subject technology registers, in response to the compiled query plan being cacheable, a dummy entry in the multi-phase cache.

Abstract: Disclosed are an oil-in-water (O/W) emulsion gel and a preparation method and use thereof, and a fat substitute. The O/W emulsion gel includes: starch nanoparticles with a content of 8 g/L to 40 g/L, curdlan with a content of 10 g/L to 30 g/L, an oil with a volume fraction of 10% to 30%, and water. The O/W emulsion gel could be used to prepare a fat substitute, especially the fat substitute prepared by 3D printing with various complex models.

Abstract: A rotary kiln with a stirring function is provided, including a kiln head, a roller and a kiln tail. The roller is obliquely arranged on the kiln head and the kiln tail. The rotary kiln further includes a mounting shaft and stirring mechanisms. Linkage elements are arranged on an inner wall of the roller. The linkage elements are configured to drive the stirring mechanisms to perform a stirring operation. Each of the stirring mechanisms includes a rotating ring sleeve and two limiting slide bases. The rotating ring sleeve is provided with three telescopic frame bodies. A telescopic baffle is arranged in each of the three telescopic frame bodies. A secondary propulsion assembly is arranged in a mounting groove. A sealing cover is arranged at an inner end of the telescopic baffle. The telescopic frame body is communicated with the rotating ring sleeve.

Abstract: Aspects of the invention disclose an external and an add-on anamorphic lens, which comprises a focus group and an anamorphic group disposed in sequence from an object side to an image side along the optical axis. The focus group comprises a first lens and a second lens. The first lens and the second lens are spherical lenses. The anamorphic group includes a third lens, a fourth lens, and a fifth lens. These lenses are cylindrical lenses. The position of the first lens is adjustable and therefore solve the problem of requiring secondary focusing of the prior art.

Abstract: A polymerizable phosphonate monomer and a preparation method therefor, a copolymer prepared and obtained from the polymerizable phosphonate monomer and a drilling fluid that uses the copolymer are disclosed. The anion of the polymerizable phosphonic acid (salt) has a structure that is represented in the following formula (1), and the cation is at least one among hydrogen, a monovalent metal cation, a divalent metal cation, a trivalent metal cation, and a tetravalent metal cation. In addition, 1H NMR of the polymerizable phosphonic acid (salt) substantively has no peak at the chemical shift ? of 1.019. The preparation method for a polymerizable phosphonic acid (salt) monomer as provided in the present invention uses an organic solvent as the solvent of a reaction system, so that compared to a water solvent system, reaction efficiency is higher, less by-products are produced, and the separation of the obtained products is simpler.

Abstract: This application provides a communication method and apparatus, to resolve a problem that frequent switching or even data flow interruption may occur when a terminal device performs cell selection or cell reselection. In this application, the terminal device receives first information from a network device, where the first information includes uptilt beam information, and the uptilt beam information indicates that there is an uptilt beam in a cell. The terminal device accesses the cell based on the uptilt beam information.

Abstract: A polyethylene composition has a polyethylene matrix resin and a pore-forming agent. The content of the pore-forming agent is 30-110 parts by weight on the basis of 100 parts by weight of the polyethylene matrix resin. The pore-foaming agent contains maleic anhydride copolymer microspheres, a copolymer in the microsphere comprises a structural unit A from maleic anhydride, a structural unit B from a vinyl-containing comonomer M and an optional cross-linking structure unit from a cross-linking agent, and the average particle size of the maleic anhydride copolymer microspheres is 500-2000 nm. The polyethylene composition can be used for preparing a breathable film without using a coupling agent, a dispersing agent and/or a surfactant, and achieves uniform air permeability and a high water vapor transmission rate. The film can be used for breathable composite products such as sanitary products, medical products, and food packaging or building products.