Abstract: Provided are a target retrieval method and device, and a storage medium.

Abstract: The present disclosure provides a silicon-based mask, a manufacturing method, and a display panel. The silicon-based mask includes a first silicon wafer and a second silicon wafer laminated one on another. The first silicon wafer includes a first via hole, the second silicon wafer includes a second via hole, an orthogonal projection of a wall of the first via hole onto the second silicon wafer surrounds the second via hole, and under a same etching condition, an etching rate of the second silicon wafer is smaller than an etching rate of the first silicon wafer.

Abstract: A display substrate and a display device relate to the technical field of displaying. The display substrate includes a plurality of display units spaced apart from each other and a plurality of connecting units, the plurality of connecting units being connected between two adjacent display units; the plurality of connecting units including: two connecting units arranged along a first direction, wherein the first direction is parallel to a stretching direction of the display substrate; wherein the two connecting units arranged along the first direction are axisymmetric about a first reference line, so that the plurality of connecting units arranged along a second direction have a same deformation amount in a stretching state, the second direction is perpendicular to the stretching direction, and an extension direction of the first reference line is parallel to the second direction.

Abstract: A method and device for predicting a flow capacity of an ecological river channel with vegetation are provided. The method includes: obtaining ecological rive channel geographic data during dry season and ecological zone vegetation data; obtaining a layout strategy of a liquid level sensor group based on ecological zone distribution data and ecological zone vegetation data, the layout strategy of the liquid level sensor group reflects an inundation status of emergent vegetation in the ecological zone by rivers during flood season; obtaining a prediction river flow data at a node location of the ecological zone based on a corrected roughness coefficient of the ecological zone and water level data during the flood season, the node location is a position corresponding to a cross section of the water flow. A directional monitoring for a specific zone is formed with the liquid level sensor group.

Abstract: Provided herein are nanostructures for lithium ion battery electrodes and methods of fabrication. In some embodiments, a nanostructure template coated with a silicon-based coating is provided. The silicon coating may include a non-conformal, more porous silicon-rich SiEx layer and a conformal, denser SiEx layer on the non-conformal, more porous layer. In some embodiments, two different deposition processes are used: a PECVD layer to deposit the non-conformal, silicon-rich SiEx layer and a thermal CVD process to deposit the conformal layer. The silicon-rich SiEx material prevents silicon crystalline domain growth, limits macroscopic swelling, increases lithium diffusion rate and enhances significantly battery life during lithium ion battery cycle of charge and discharge.

Abstract: Provided is an evaporation mask, including a mask plate and a plurality of evaporation through-holes. The evaporation through-holes penetrate through the mask plate and corresponds to the sub-pixel regions one by one such that a plurality of sub-pixels of different colors are formed in the plurality of sub-pixel regions; and wherein for each of the evaporation through-holes, an aperture of an opening of the evaporation through-hole on a side proximal to the to-be-evaporated substrate is less than an aperture of an opening of the evaporation through-hole on a side distal to the to-be-evaporated substrate, the opening of the evaporation through-hole on the side distal to the to-be-evaporated substrate extends to at least one adjacent sub-pixel region, and a color of a sub-pixel evaporated in a sub-pixel region corresponding to the evaporation through-hole is different from a color of a sub-pixel evaporated in the at least one adjacent sub-pixel region.

Abstract: Provided are a display substrate and a manufacturing method thereof, and a visible light communication apparatus. The display substrate includes a substrate, and the substrate includes a display region and a peripheral region surrounding the display region; the peripheral region includes a visible light signal receiving region surrounding the display region; the display substrate further includes a photosensitive sensing unit, the photosensitive sensing unit is located in the visible light signal receiving region and is configured to receive a visible light signal and convert the visible light signal into an electrical signal to achieve visible light communication.

Abstract: A display substrate, a display apparatus, and a visible light communication system are disclosed. The display substrate includes an effective display region and a peripheral region surrounding the effective display region, the display substrate includes a base substrate, and a display unit, a light receiving unit, and a light emission unit on the base substrate. The display unit is in the effective display region and includes multiple light emitting sub-pixels; the light receiving unit is in at least one of a first light transceiving region and a second light transceiving region, the light emission unit is in at least one of a first light transceiving region and a second light transceiving region. The first light transceiving region is in the peripheral region and is an annular region surrounding the effective display region, and the second light transceiving region is between multiple light emitting sub-pixels of the effective display region.

Abstract: Provided are a display substrate and a display device. The display substrate includes a display region and a border region located at the periphery of the display region. The border region includes a border sealant, and a plurality of normal shift register units and a plurality of dummy shift register units that are arranged in sequence. The display substrate also includes a plurality of gate lines, at least part of the gate lines is located in the display region; at least one of the dummy shift register units is staggered from the normal shift register units in an extending direction of the gate line, and the at least one of the dummy shift register units is staggered from the normal shift register units in a direction away from the border sealant.

Abstract: The present invention relates to a water flow measuring drifting buoy capable of preventing stranding and resisting impact, which includes: a ball-game table-shaped inflation body with a counterweight capable of drifting autonomously in a direction of a main stream of a water flow, wherein the inflation body is provided with at least two inflation connectors, and the inflation connectors are of a cross-shaped structure formed by connecting in a conical distribution with 4 inflation-stabilizing rods uniformly distributed along a circumferential radiation; the counterweight is 4-10 fan-shaped steel plates arranged annularly in the center of the bottom of the inflation body, and the fan-shaped steel plates are flexibly connected to each other to be able to shake.

Abstract: A display panel includes: a plurality of first strip-shaped circuit boards extending in a first direction, a plurality of second strip-shaped circuit boards extending in the second direction, a plurality of pixel units, a plurality of first braided lines and a plurality of second braided lines. The plurality of second strip-shaped circuit boards and the plurality of first strip-shaped circuit boards are arranged in a cross way. A pixel unit is located at an intersection position between a second strip-shaped circuit board and a first strip-shaped circuit board, and is electrically connected to both the first strip-shaped circuit board and the second strip-shaped circuit board that cross at the intersection position. The plurality of first braided lines and the plurality of second braided lines are connected with the plurality of first strip-shaped circuit boards and the plurality of second strip-shaped circuit boards in a braiding way.

Abstract: The present disclosure provides a visible light communication device, a display substrate, a display device, and a manufacturing method of the display substrate. The visible light communication device includes: a protrusion structure arranged on a base substrate and protruding toward a photosensitive side of the visible light communication device; a first electrode covering the protrusion structure; a visible light sensing layer arranged at a side of the first electrode away from the protrusion structure; and a second electrode arranged at a side of the visible light sensing layer away from the first electrode. A surface of each of the first electrode, the visible light sensing layer and the second electrode away from the base substrate is provided with a protrusion facing the photosensitive side of the visible light communication device due to the protrusion structure.

Abstract: A display panel includes a plurality of driving base plates stacked, each of the driving base plates includes a substrate and a driving unit located on the substrate, orientations of the driving base plates are the same; a plurality of pixel units arranged in an array, each of the pixel units includes a plurality of sub-pixels, and orthographic projections on the substrate of light emitting regions of the sub-pixels in the same pixel unit do not overlap with each other; and each of the driving base plates is provided with at least one sub-pixel on one side away from the substrate, and the driving unit on each of the driving base plates is electrically connected to the at least one sub-pixel; and a quantity of the driving base plates is less than or equal to a quantity of the sub-pixels in one of the pixel units.

Abstract: A light emitting diode is provided. The light emitting diode includes a light emitting layer. The light emitting layer includes one or more first layers and one or more second layers in a stacked structure. A respective first layer of the one or more first layers includes an organic functional material of a first type doped with an organic functional material of a second type. A respective second layer of the one or more second layers includes an organic functional material of the first type without being doped with an organic functional material of the second type. The light emitting layer includes one or more double-layer structure stacked on each other, a respective double-layer structure including an individual second layer and an individual first layer stacked on the individual second layer.

Abstract: An apparatus and method of performing sample characterization with an AFM and a pulsed IR laser directed at the tip of a probe of the AFM. Gated laser pulsing and gated detection based on a lock-in amplifier, boxcar integrator or FFT may be employed in Peak force tapping operation. Nano-spectroscopic measurements with sub-20 nm, and even sub-10 nm resolution can be executed together with nano-mechanical and other property measurements.

Abstract: Provided are a display substrate and a display device. The display substrate includes a display region and a border region located at the periphery of the display region. The border region includes a border sealant, and a plurality of normal shift register units and a plurality of dummy shift register units that are arranged in sequence. The display substrate also includes a plurality of gate lines, at least part of the gate lines is located in the display region; at least one of the dummy shift register units is staggered from the normal shift register units in an extending direction of the gate line, and the at least one of the dummy shift register units is staggered from the normal shift register units in a direction away from the border sealant.

Abstract: Provided herein are nanostructures for lithium ion battery electrodes and methods of fabrication. In some embodiments, a nanostructure template coated with a silicon coating is provided. The silicon coating may include a non-conformal, more porous layer and a conformal, denser layer on the non-conformal, more porous layer. In some embodiments, two different deposition processes, e.g., a PECVD layer to deposit the non-conformal layer and a thermal CVD process to deposit the conformal layer, are used. Anodes including the nanostructures have longer cycle lifetimes than anodes made using either a PECVD or thermal CVD method alone.

Abstract: The present disclosure provides an optical adhesive layer, a stretchable display device and a preparing method for the optical adhesive layer. The optical adhesive layer includes: an edge region enclosing a hollow portion; a plurality of block regions distributed in the hollow portion along a first direction and a second direction; and connection ribs connecting the block regions to the edge region, wherein the connection ribs are distributed in the hollow portion in a net form, and the connection ribs include a plurality of first ribs, second ribs, and third ribs connecting the block regions with the first and second ribs.

Abstract: The present invention relates to a device, a system and a method for monitoring river flow velocity based on differential pressure measurement, comprising: a hull floating on a water surface with an aspect ratio of the hull being greater than one, characterized in that pressure sensors are respectively provided on an upstream face of a front end and a downstream face of a rear end below the floatation line of a ship; an electronic instrument is provided in the hull, and the electronic instrument comprises an acquisition module connected to the two pressure sensors, the acquisition module being connected to a data processing module with a memory, and the data processing module being connected to a satellite positioning module and a wireless communication module.

Abstract: The disclosed subject matter relates generally to a method for modifying oil, and specifically to a process for increasing the concentration of polyunsaturated fatty acid in an oil composition. The process comprises a) hydrolysis of the glyceride by Thermomyces lanuginosus lipase, b) separation of the free saturated fatty acids from the glycerides and c) enzymatic esterification of the hydrolyzed glyceride by Candida antarctica lipase B with a polyunsaturated fatty acid.