Abstract: An optical film includes a polarizer. The polarizer includes a base layer, and a material of the base layer is obtained by dyeing a base material with a dye. The base material includes a polyvinyl alcohol material, and the dye is selected from blue dichroism organic dyes.

Abstract: Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, a photosensitive assembly, and a control assembly; wherein the liquid crystal panel includes a first substrate and a second substrate that are opposite; the photosensitive assembly includes a plurality of photosensitive elements; and the control assembly is electrically connected to the liquid crystal panel and the photosensitive assembly, and is configured to determine position information of a pixel region for erasure by detecting position information of target light irradiated to the liquid crystal panel by the photosensitive assembly and supply a pixel voltage to the plurality of pixel electrodes in the pixel region for erasure, such that a voltage difference is present between the plurality of pixel electrodes in the pixel region for erasure and the common electrode.

Abstract: Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, and a drive assembly electrically connected to the liquid crystal panel; wherein the liquid crystal panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; and the drive assembly is configured to apply, based on position information of a region to be erased, a pixel voltage to a pixel electrode in the region to be erased in the case that the liquid crystal handwriting board is in an erasing mode, such that a voltage difference is developed between the pixel electrode in the region to be erased and the common electrode.

Abstract: A display substrate has a display area and a peripheral area surrounding the display area; the display area has a functional area and a non-functional area; the display substrate includes a base substrate, a plurality of first signal lines, a first interlayer insulating layer, a plurality of second signal lines, a conductive mesh and an auxiliary functional structure; the conductive mesh includes a plurality of first conductive structures and a plurality of second conductive structures which are arranged crosswise and electrically connected to each other; the auxiliary functional structure includes a plurality of first conductive wires and a plurality of second conductive wires which are arranged crosswise; the first conductive wire is at least a part of the first conductive structure, and each of some first conductive structures includes two first conductive wires; the second conductive wire is at least a part of the second conductive structure.

Abstract: Various embodiments illustrated herein disclose a full body harness that includes a connector. The connector includes a first plate and a second plate, where the first plate is identical to the second plate. The first plate and the second plate includes a plurality of slits to facilitate passage of a first harness and a second harness there through. The first plate is rotatably coupled to the second plate such that they are rotatable with respect to each other. Such a connector automatically enables easy adjustment of the harness based on an activity of a user who is wearing the harness.

Abstract: A liquid crystal display panel is provided. The liquid crystal display panel includes: a first substrate and a second substrate arranged opposite to each other, and a liquid crystal layer and a plurality of strip-shaped spacers disposed between the first substrate and the second substrate. In the liquid crystal display panel, there is an overlapping area between an orthographic projection of a first signal line on a target base and an orthographic projection of a second signal line on the target base, and an orthographic projection of the strip-shaped spacer on the target base is not overlapped with the overlapping area.

Abstract: An array substrate includes a first substrate; and a first electrode and a second electrode disposed on the first substrate and located in a sub-pixel region. At least one of the first electrode and the second electrode includes a plurality of electrode strips. Every two adjacent electrode strips in the first electrode and the second electrode have a slit therebetween. The slit includes a first end portion, a straight portion, and a second end portion connected in sequence. A bend is formed at a connection position of the first end portion and the straight portion, and the second end portion is formed by protruding from the straight portion. The straight portion includes a first edge and a second edge parallel to each other, and an average width of the first end portion in a direction perpendicular to the first edge is less than a width of the straight portion.

Abstract: An array substrate, an opposite substrate and a display panel are provided. The array substrate comprises: a display region and a periphery region surrounding the display region, wherein the display region comprises a plurality of pixel regions, and each of the pixel regions comprises a reflective region and a transmissive region; the reflective region comprises a driving signal outputting layer, a segment gap layer, a passivation layer and a reflective layer, the reflective layer is coupled to the driving signal outputting layer to enable both the reflective layer and the driving signal outputting layer to function as a reflective region driving electrode; the transmissive region comprises a first electrode layer, the first electrode layer is coupled to the driving signal outputting layer, the passivation layer extends to the transmissive region, and the passivation layer is arranged between the first electrode layer and a first base of the display substrate.

Abstract: The present disclosure relates to use of a multigene stacking method in synthesis of nervonic acid in Brassica napus. The present disclosure provides a multigene co-expression plant vector, including an initial backbone of pBWA(V)BII and multiple exogenous gene expression cassettes. The present disclosure further provides two plant vectors applicable to genetic transformation, including a three-gene co-expression plant vector and a five-gene co-expression plant vector. In the present disclosure, after the three-gene co-expression plant vector and the five-gene co-expression plant vector are separately transferred into the Brassica napus, the nervonic acid (NA) with a high content is synthesized in the Brassica napus through multigene co-expression. An NA ratio can be significantly increased combined with a higher seed oil content and a greater field seed yield. The plant vector realizes efficient synthesis of NA in oil crops, obtains NA-rich seed oil, and increases an added value of edible oil.

Abstract: An on-line measurement-error correction device and method for the inner profile of a special-shaped shell, including a fixing device. A vertical moving device is fixed at the top of the fixing device and connected with a horizontal moving device connected with a distance monitoring device, which is movable vertically and horizontally under the drive of the vertical and horizontal moving devices. The distance monitoring device includes a displacement monitoring element fixedly arranged on a fixing support hinged with an electric push rod configured to displace to drive the displacement monitoring element to deflect so as to change a monitoring direction. The displacement monitoring element is driven to deflect by the electric push rod of the distance monitoring device to change a monitoring direction, and a distance between each longitudinal section surface point on the inner surface of the special-shaped shell and the displacement monitoring element can be gradually measured.

Abstract: A writing panel includes an array substrate, a flexible substrate disposed opposite to the array substrate, a liquid crystal layer disposed between the array substrate and the flexible substrate, and a plurality of spacers each in a shape of a column disposed on a surface of the array substrate proximate to the liquid crystal layer. The array substrate includes a base and a pixel driving circuit layer disposed on the base, and the pixel driving circuit layer includes a plurality of thin film transistors and a plurality of signal lines. An orthographic projection of each spacer on the base is non-overlapping with orthographic projections of the plurality of thin film transistors and the plurality of signal lines on the base.

Abstract: Embodiments of the present disclosure provide an array antenna bandwidth enhancement method based on phase regulation and control, an apparatus and an array antenna, a reflection coefficient of the array is calculated utilizing a one-time-reflection model calculation formula determined based on a small reflection theory, thus saving a full-wave simulation time of a large-scale array, and greatly improving a design efficiency. Enhancement of a bandwidth of the array using the array bandwidth enhancement method based on phase regulation and control may save a time for stepwise increased and matching adjustment of the large-scale array, and reduce design complexity. The provided method is simple and efficient, and is beneficial to realization of a wideband design of the large-scale array antenna.

Abstract: An acquisition method and system for clinical experimental data, an electronic device, and a storage medium are provided, which relate to the field of data processing technologies, the method includes: extracting first clinical experimental data from a target information system based on a preset clinical experimental data extraction model; acquiring and labeling speech input data and manual input data of a target user to obtain second clinical experiment data; recognizing to —be-extracted clinical experimental data based on a preset character recognition model to obtain third clinical experimental data; organizing and arranging the three clinical experimental data in chronological order and weight to generate ultimate clinical experimental data.

Abstract: The present disclosure provides a method and apparatus for determining an antenna array and an electronic device; the method includes: determining a first target reflection coefficient of each radiation element forming the antenna array based on a pre-acquired antenna array design index; determining a model structure of each radiation element based on the first target reflection coefficient; extracting an amplitude and a phase of a first reflection coefficient from a simulation result of the model structure of a specified radiation element; determining a second target reflection coefficient of each power divider forming the antenna array in a preset calculation mode; determining a model structure of each power divider based on the second target reflection coefficient; and determining the antenna array based on each radiation element with the determined structure and each power divider with the determined structure.

Abstract: An acquisition method and system for clinical experimental data, an electronic device, and a storage medium are provided, which relate to the field of data processing technologies, the method includes: extracting first clinical experimental data from a target information system based on a preset clinical experimental data extraction model; acquiring and labeling speech input data and manual input data of a target user to obtain second clinical experiment data; recognizing to-be-extracted clinical experimental data based on a preset character recognition model to obtain third clinical experimental data; organizing and arranging the three clinical experimental data in chronological order and weight to generate ultimate clinical experimental data.

Abstract: An embedded damping vibration attenuation turning tool holder for deep cavity machining and a method includes a tool holder and a damper; one end of the tool holder is connected with a turning blade; a side surface of the tool holder is provided with a square cavity; the damper is in interference fit in the square cavity; the damper includes a mass block, an elastic member and piezoelectric ceramic; at least one surface of the mass block that is in contact with an inner wall of the square cavity is connected with the piezoelectric ceramic; the elastic member is arranged between the piezoelectric ceramic and the mass block; and the piezoelectric ceramic is used for generating interaction with the inner wall of the square cavity under a vibration action of the tool holder, so as to absorb the vibration to generate electric energy.

Abstract: The present invention relates to a dry land-based seed water-retention sowing method, belonging to the technical field of seed sowing; the method specifically includes steps of: forming water-retention sleeves by double non-woven fabrics and a polyacrylamide water-retaining agent disposed between the double non-woven fabrics, and placing seeds into the water-retention sleeves, and finally placing the seeds with the water-retention sleeves into water for soaking and sowing the seeds. In this way, the present invention can effectively relieve the dependence of crop seed sowing on soil moisture. Therefore, the present invention is suitable for dry land sowing and can improve the seedling emergence rate of seeds.