Abstract: A gel particle-containing discontinuous phase seepage experimental apparatus includes a micro-liquid volume injection system, a pressure acquisition and transmission system, a microscopic observation system, and an in-microchannel particle screening and transfer system. According to the established discontinuous phase seepage experimental apparatus, particle sizes of gel particles are accurately screened by using a customized microfluidic chip, and transfer forms, existing states, pressure fluctuations, and the like of gel particles in a single-channel microfluidic chip under the conditions of different sizes, different elastic modulus, and different quantities are monitored in real-time by using a high-precision pressure sensing system and a microscopic observation system.

Abstract: Provided are a display substrate, a display apparatus and a display method therefor. The display substrate includes: a base substrate; pixel units on the base substrate; and an electrochromic structure on a side of the pixel units that is away from the base substrate. The transmittance of the electrochromic structure is positively correlated with the brightness of the pixel units when displaying an image, such that the contrast of the display substrate is improved, and the display effect is improved.

Abstract: A matching design method of static stiffness for a combined box body structure of a large reducer is provided, including the following steps, building a transmission system model and an initial structure model and obtaining load data; performing a statics analysis; obtaining primary design variables and design responses; constructing design variables; constructing a static stiffness matching target of a combined box body; constructing an objective function; setting constraint conditions; constructing a response surface proxy model; constructing a static stiffness matching optimization model of combined box body; obtaining optimal design variables and obtaining an optimal structure model of the box body; performing the statics analysis on the optimal structure model of the box body, and performing a contrastive analysis with statics analysis results of the corrected box body two-dimensional unit finite element model to confirm optimization effects.

Abstract: A method and a system for determining a supporting structure by combining a stress environment and an underground surrounding rock structure are provided in the disclosure, which relates to the technical field of stability analysis of coal-mine rock mass. The method includes: defining a stress peak position and an in-situ stress position by determining the stress environment; identifying the underground surrounding rock structure, identifying lithology and constructing a three-dimensional model of a rock stratum to analyze damage degree of the rock stratum; pretreating, namely normalizing, the damage degree of the rock stratum at two sides and comparing the damage degree of the rock stratum at a roof and the floor; and identifying the supporting structure and determining supporting effectiveness and a supporting length. The method of the disclosure is different from related art, and ensures that the supporting structure meets mechanical foundation and practical engineering requirements as a whole.

Abstract: Embodiments of the present application provide a method and an apparatus for adjusting metal wiring density. By detecting metal wiring density in each of metal density detection windows in a target layout, a region in which the metal wiring density is greater than a preset density threshold can be quickly positioned in the target layout, thereby improving the layout correction efficiency; then a power fill mesh in a target metal density detection window in which the metal wiring density is greater than the preset density threshold is cropped multiple times, until the metal wiring density in each of the metal density detection windows is less than or equal to the preset density threshold, such that sufficient power fill meshes are retained in the target layout while the metal wiring density of the target layout is less than or equal to the preset density threshold.

Abstract: Embodiments of the application disclose a check tool and a check method for a Design Rule Check (DRC) rule deck of an integrated circuit layout. The check tool (100) for the DRC rule deck of the integrated circuit layout includes: an intelligent database creation engine (110), configured to generate a test case database; an intelligent arrangement engine (120), configured to generate a standard integrated circuit layout (150) according to the test case database; and an intelligent detection and analysis engine (130), configured to detect and analyze a target DRC rule deck (140) of the integrated circuit layout according to the standard integrated circuit layout (150).

Abstract: An adaptive seat massage system and a method of controlling the same include a massage module providing a massage function in a plurality of regions of a seat; a pressure measurement module detecting pressure applied to the seat by a user in the regions of the seat and transmits pressure measurement signal corresponding to respective regions among the plurality of regions; and a control module determining whether to operate the massage module in at least one region based on the pressure measurement signal received from the pressure measurement module, determining, when the massage module is operated in the at least one region, an operating mode of the massage module in the at least one region based on the pressure measurement signal, and transmitting a control signal corresponding to the determined operating mode to the massage module to control an operation of the massage module in the at least one region.

Abstract: A method for generating an image of an object with a magnetic resonance imaging (MM) system is presented. The method includes first performing a calibration scan of the object. The calibration scan is performed with a zero echo time (ZTE) radial sampling scheme to obtain calibration k-spaces for surface coil elements and a body coil of the MRI system. The calibration scan is performed in such a manner that the endpoints of calibration k-space lines in each calibration k-space follow a spiral path. A plurality of calibration parameters are then obtained from the plurality of calibration k-spaces. A second scan of the object is then performed to acquire the MR image data. The image of the object is then generated based on the plurality of calibration parameters and the MR image data.

Abstract: A display panel includes a substrate and a grating disposed on a light-emitting side of the display panel. The grating includes a plurality of protruding portions and a plurality of interval portions, each interval portion is located between two adjacent protruding portions. The plurality of protruding portions are arranged on the substrate along a first direction, and each protruding portion extends along a second direction perpendicular to the first direction. Each protruding portion includes an outer surface and a bottom surface; the outer surface is a smooth curved surface, and the bottom surface is a flat surface. A cross-sectional figure of each protruding portion along a thickness direction of the display panel is a first figure; the first figure includes a curve and a bottom edge, and the first figure is a closed figure formed by the curve and the bottom edge.

Abstract: A method, device, system, and storage medium for tracking a moving target are provided. The method uses three-dimensional radar observation data to construct a state vector and a motion model of the moving target, thereby to construct a state equation and an observation equation for achieving filtering and tracking within a linear Gaussian framework. The disclosure is also suitable for a moving target in a two-dimensional scene with a distance and an azimuth, and the disclosure use a two-dimensional observation vector to construct a dynamic system to achieving tracking of the moving target. The disclosure can be used in radar systems containing Doppler measurements, and tracking of moving targets can be implemented by performing dimension-expansion processing on observation equations.

Abstract: A flexible display module, a manufacturing method thereof, and a flexible display device are provided. The flexible display module includes a flexible display panel; a back plate, a buffer material layer, a first adhesive layer, and a metal plate under the flexible display panel; a polarizer, a second adhesive layer, and a cover plate on the flexible display panel. The back plate is positioned in a non-bending area. The buffer material layer is positioned in a bending area and is disposed in a same layer as the back plate. A side of the first adhesive layer is bonded to the back plate and the buffer material layer, and another side thereof is bonded to the metal plate.

Abstract: The present application relates to a circuit simulation test method and apparatus, a device, and a medium. The method includes: creating a parametric data model, wherein the parametric data model is configured to generate preset write data based on a preset parameter; creating a test platform, wherein the test platform is configured to generate a test result based on the preset write data; creating an eye diagram generation module, wherein the eye diagram generation module is configured to generate a data eye diagram based on the test result; and conducting a simulation test, inputting the preset write data to the test platform and obtaining the test result, and generating the data eye diagram by using the eye diagram generation module.

Abstract: A method for checking a Design for Test (DFT) circuit includes: transmitting a control signal to the DFT circuit to determine test mode signals output by the DFT circuit, with the DFT circuit being configured to sequentially select multiple address latches according to the control signal to output the test mode signals; analyzing the test mode signals to determine whether the multiple address latches in the DFT circuit have an error; and outputting a simulation result report.

Abstract: Embodiments of the present disclosure relate to the field of semiconductor circuit design and provide an analysis system for signal eye diagrams and method. The analysis system includes: a display structure, configured to receive a plurality of pieces of first display information of a plurality of groups of signal eye diagrams, receive second display information of a standard effective region generated based on an industry standard, display all the signal eye diagrams based on the first display information, and display an outer edge of the standard effective region based on the second display information, where each signal eye diagram corresponds to one piece of first display information, different signal eye diagrams are located in different layers, and different signal eye diagrams are displayed in different ways.

Abstract: The present disclosure relates to a layout repairing method and apparatus, a computer device, and a storage medium. The method includes: obtaining an initial layout of a semiconductor integrated circuit, wherein a metal connection line is formed on the initial layout; forming a power fill grid on the initial layout, wherein the power fill grid includes a slotted hole that overlaps orthographic projection of the metal connection line on the power fill grid, and the slotted hole includes a first section overlapping the metal connection line and at least one second section staggered with the metal connection line; and increasing area of the second section if the area of the second section is less than a lower threshold, to form a repaired layout.

Abstract: A DRC test pattern generation method includes: receiving a DRC test pattern generation request, the DRC test pattern generation request carrying the number of correct patterns and the number of erroneous patterns; acquiring layout design rule information and corresponding layer configuration information, the layer configuration information including process layer configuration parameter information that is set according to a process type; parsing parameter information corresponding to each rule in the layout design rule information and the process layer configuration parameter information in the layer configuration information, and generating formatted parameter information corresponding to the each rule; and generating a corresponding number of correct patterns and a corresponding number of erroneous patterns corresponding to each rule according to the formatted parameter information.

Abstract: The present application relates to a circuit simulation test method and apparatus, a device, and a medium. The method includes: creating a parametric data model, wherein the parametric data model is configured to generate preset write data based on a preset parameter; creating a test platform, wherein the test platform is configured to generate a test result based on the preset write data; creating an eye diagram generation module, wherein the eye diagram generation module is configured to generate a data eye diagram based on the test result; and conducting a simulation test, inputting the preset write data to the test platform and obtaining the test result, and generating the data eye diagram by using the eye diagram generation module.

Abstract: Embodiments of the present application provide a method and an apparatus for adjusting metal wiring density. By detecting metal wiring density in each of metal density detection windows in a target layout, a region in which the metal wiring density is greater than a preset density threshold can be quickly positioned in the target layout, thereby improving the layout correction efficiency; then a power fill mesh in a target metal density detection window in which the metal wiring density is greater than the preset density threshold is cropped multiple times, until the metal wiring density in each of the metal density detection windows is less than or equal to the preset density threshold, such that sufficient power fill meshes are retained in the target layout while the metal wiring density of the target layout is less than or equal to the preset density threshold.