Abstract: Provided is a display panel, including: a base substrate, including a display area and a peripheral area surrounding the display area; a plurality of pixel units, disposed in the display area; a barrier structure, disposed in the peripheral area; at least one first power line, disposed in the peripheral area; and, a row drive circuit, disposed in the peripheral area, wherein orthographic projections of any two of the following structures on the base substrate are at least partially overlapped with each other: the barrier structure, the at least one first power line, and the row drive circuit.

Abstract: A nucleic acid extraction and fluorescent PCR detection system, comprising: an extraction strip, an extraction strip loading device for loading the extraction strip, a sample holder loading device for loading and unloading samples, an extraction strip transfer gripper for driving the extraction strip to move to a preset position, a nucleic acid extraction device for purifying the samples to obtain nucleic acids, a PCR detection device for performing fluorescent PCR detection on the nucleic acids, and a control device, wherein the extraction strip loading device, the sample holder loading device, the extraction strip transfer gripper, the nucleic acid extraction device and the PCR detection device are all connected to the control device. The problems of relatively poor flexibility and relatively low detection efficiency of a nucleic acid extraction and detection system can be ameliorated, so that a sample detection process is more flexible and convenient.

Abstract: This application provides techniques of searching images. The techniques comprise monitoring a moving state of a first computing device; controlling the first computing device to obtain an image comprising a target object to be searched in response to determining that the moving state of the first computing device meets a preset condition; determining a first coordinate group of the target object in the image; acquiring a target image of the target object from the image based on the first coordinate group; determining, based on the target image, a search result related to the target object and displaying the search result.

Abstract: A display panel and a display apparatus are provided in the present disclosure.

Abstract: The present disclosure relates to a method for preparing high-temperature superconducting yttrium barium copper oxide (YBCO) wire by 3D-printing, this method is divided into the following four steps: firstly, preparing a nano-level superconducting powder precursor; and then, preparing a printing paste with suitable viscosity and supporting characteristics; after that, using a CAD 3D modeling, exporting STL format model data and slicing by a professional software; implementing one-step preparing strands with low AC loss by twisting the print nozzle. Finally, the printed twisted wire is formed into a practical superconducting twisted cable through the processes such as plastic removal process, crystallizing process, oxygen supplementing process and assembling process in order. The present disclosure firstly provides an application for applying high temperature superconducting material to direct ink writing 3D-printing technology.

Abstract: Topcoat compositions are provided that can be used in immersion lithography to form photoresist patterns. The topcoat compositions include a solvent system that comprises 1) a first organic solvent represented by formula (I), wherein R1 and R2 are alkyl groups of 3-8 carbons and the total number of carbons of R1 and R2 is greater than 6; and 2) a second organic solvent that is a C4 to C10 monovalent alcohol.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate including a display area and a peripheral area surrounding the display area; a plurality of sub-pixels; a plurality of data signal lines; a plurality of data wires located in the peripheral area and electrically connected to the plurality of data signal lines; an electrostatic discharge circuit located in the peripheral area on the base substrate, and electrically connected to the plurality of data wires; and an encapsulation layer located on a side of the plurality of sub-pixels and the electrostatic discharge circuit away from the base substrate, wherein an orthographic projection of the electrostatic discharge circuit on the base substrate is located within an orthographic projection of the encapsulation layer on the base substrate.

Abstract: New photoresist and topcoat compositions are provided that are useful in a variety of applications. In one aspect, new photoresist compositions are provided that comprise: (a) a first matrix polymer; (b) one or more acid generators; and (c) one or more additive compounds of Formulae (I) and/or (II).

Abstract: A photocatalytic material for efficient photocatalytic removal of a high-concentration nitrate, and a preparation method and use thereof are disclosed. The preparation method includes the following steps: step 1: preparation of a citrate-stabilized silver nanoparticle; step 2: synthesis and functionalization modification of SiO2 step 3: preparation of Ag/SiO2; and step 4: preparation of an Ag/SiO2@cTiO2 core-shell structure. The photocatalytic material prepared by the present disclosure has high reduction catalytic activity and can quickly remove a high-concentration nitrate and achieve high nitrogen selectivity. In addition, due to protection of a titanium dioxide shell, the photocatalytic material has excellent stability and can remove a high-concentration nitrate in water when the nitrate coexists with a high-concentration chloride ion.

Abstract: A display substrate and a display apparatus are provided. The display substrate includes a base substrate, sub-pixels, a pixel defining layer having openings, spacers on the pixel defining layer. A shape of at least one of the openings is a polygon with at least one vertex angle cut off, and a corner portion of the opening includes a first corner portion formed by cutting off one vertex angle included between two sides of the polygon from the polygon. At least one of the spacers is arranged at an interval between the first corner portion and the opening adjacent to the first corner portion, and a connecting line between a geometric center of the opening where the first corner portion is located and a geometric center of the opening adjacent to the first corner portion passes through the first corner portion and the spacer.

Abstract: A data search apparatus includes a logical search circuit and a memory, and the logical search circuit is connected to the memory through a databus. The databus can access all memory resources, and each part of databus resource can access all the memory resources. A logical search resource provided by the logical search circuit can be divided into a plurality of parts as required, and each part of logical resource can access node data in the memory through the bus resource.

Abstract: A photoresist composition comprises a first polymer formed by free radical polymerization. The first polymer comprises polymerized units formed from a monomer that comprises an ethylenically unsaturated double bond and an acid-labile group; a photoacid generator; a quencher of formula (1): and a solvent.

Abstract: A display substrate, a method for manufacturing the display substrate and a display device are provided. The display substrate includes an Electric Test (ET) region. At least one testing pad and an insulation structure surrounding the testing pad are arranged in the ET region, and a distance between a surface of the insulation structure distal to a base substrate of the display substrate and the base substrate is not greater than a distance between a surface of the testing pad distal to the base substrate and the base substrate.

Abstract: A display panel and a display device are provided. The display panel includes: a substrate, and a plurality of first light-emitting devices, a plurality of first pixel driving circuits and a plurality of first signal lines, which are on the substrate. The first light-emitting devices are in a light-transmitting region of the substrate, the first pixel driving circuits electrically connected with the first light-emitting devices are in a non-light-transmitting region, and the first signal lines electrically connected with the first pixel driving circuits are outside the light-transmitting region.

Abstract: A display substrate and a display device, the display substrate includes a first side for displaying and a second side, and includes: a base substrate; a display region including first and second display regions, the first display region including multiple pixel unit groups, each pixel unit group including multiple first pixel units, and each first pixel unit including a pixel region and an opening region; multiple first power lines located in the pixel region; a shielding layer including a hollow region and a shielding region; for one pixel unit group, the opening region of each first pixel unit at least partially overlaps with the shielding region, the opening region of at least one first pixel unit includes a first shielding connecting portion at least partially overlapping with the shielding region, the shielding layer is connected with at least one first power line through the first shielding connecting portion.

Abstract: A display substrate of the present disclosure includes a display region including sub-pixels, data lines, and gate lines; and a circuit region including a first sub-region and a second sub-region opposite to each other at two sides of the display region along a first direction. The first sub-region is provided with a plurality of multiplexing unit groups, each of which includes at least one multiplexing unit. The second sub-region is provided with a plurality of testing unit groups, each of which includes at least one testing unit. The circuit region is further provided with a plurality of driving unit groups, each of which includes at least one driving unit. The driving unit groups and the multiplexing unit groups are alternately arranged along an extending direction of the first sub-region in the first sub-region.

Abstract: A pattern formation method, comprising: (a) providing a semiconductor substrate; (b) forming a photoresist pattern over the semiconductor substrate, wherein the photoresist pattern is formed from a photoresist composition comprising: a first polymer comprising acid labile groups; and a photoacid generator; (c) coating a pattern overcoat composition over the photoresist pattern, wherein the pattern overcoat composition comprises a second polymer and an organic solvent, wherein the organic solvent comprises one or more ester solvents, wherein the ester solvent is of the formula R1—C(O)O—R2, wherein R1 is a C3-C6 alkyl group and R2 is a C5-C10 alkyl group; (d) baking the coated photoresist pattern; and (e) rinsing the coated photoresist pattern with a rinsing agent to remove the second polymer. The methods find particular applicability in the manufacture of semiconductor devices.

Abstract: A heat-resistant and soluble magnesium alloy, and a preparation method having an elemental composition at the following atomic percentage: Lu 0.10% to 8.00%, Ce 0.001 to 0.05%, Al 0.10% to 0.60%, Ca 0.001% to 0.50%, Cu 0.01% to 1.00%, Ni 0.01% to 1.00%, impurity elements <0.30%, and the rest is Mg, and formed in magnesium alloys are high temperature phase of Lu5Mg24, Mg2Cu, Mg2Ni, Mg12Ce, Al11Ce3 and (Mg, Al)2Ca, and Long Period Stacking Ordered (LPSO) phases as Mg—Lu—Al and Mg—Ce—Al. The magnesium alloy has good mechanical performances at 150° C., and a dissolution rate of 30 to 100 mg·cm?2h?1 in a 3% KCl solution at 93° C.

Abstract: A method for image display in a display apparatus is provided. The method includes displaying an image in a respective subpixel in an image display phase. In a sensing phase subsequent to the image display phase, the method further includes providing an initial voltage signal to an anode of a respective light emitting element in the respective subpixel for a first period of time; allowing the anode of a respective light emitting element to discharge for a second period of time, upon discontinuation of the initial voltage signal; obtaining a residual voltage signal at the anode of the respective light emitting element at an end of the second period of time by a sensing sub-circuit of a respective pixel driving circuit; and transmitting the residual voltage signal to an integrated circuit.

Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a driving circuit layer and a light-emitting unit located on the base substrate, the light-emitting unit includes a first and a second electrodes being laminated, a light-emitting layer located therebetween; the display substrate includes a first and a second display regions, an opening region; the second display region is located between the first and the opening display regions; a pixel density of the first display region is greater than that of the second display region; and the display substrate further includes a compensation capacitor for compensating a sub-pixel in the second display region, the compensation capacitor includes a first and second plates, the first plate is electrically connected to the gate electrode of the sub-pixel in the second display region, the second plate is electrically connected to the first electrode.