Abstract: The disclosure provides a compensation method, system, device and medium of a IR Drop of a display panel. The compensation method includes: constructing a IR Drop model of the display panel based on a distribution of equivalent resistances between adjacent pixels in the display panel; constructing a vector matrix equation of the IR Drop according to the IR Drop model; performing an equivalent processing on the vector matrix equation of the IR Drop to form a plurality of equivalent sub-matrices; iteratively solving IR Drop data of each node in each equivalent sub-matrix; and performing a voltage compensation on each pixel in the display panel according to the IR Drop data. The disclosure may realize a point-to-point accurate compensation of all nodes in the display panel, and improves a problem of uneven brightness of a high-resolution display panel caused by the IR Drop.

Abstract: A lift mechanism and air supply device with lift mechanism, the lift mechanism includes a cylinder, a threaded rod rotationally arranged in the cylinder, a power source for driving the threaded rod to rotate and a threaded holder in threaded connection with the threaded rod, the threaded holder is configured to install the air supply mechanism, a space is formed between the support bracket and the threaded holder, one end of the threaded rod extends between the support bracket and the threaded holder, and a guiding element for preventing the threaded holder from rotating is arranged between the cylinder and the threaded holder.

Abstract: The present invention relates to the technical field of automobile connector terminals, in particular to a vibration-resistant socket terminal and a vibration-resistant plug terminal. An interior of the socket terminal includes a first vibration damping body, and on an exterior of the socket terminal is a vibration damping arm. The plug terminal and the socket terminal are mutually plugged together. The plug terminal includes first and second contact pins arranged opposite to each other, and a second damping body is arranged between the first and second contact pins.

Abstract: A connector housing assembly includes a first housing having a first flange installed on a first installation panel, the first flange has a first mounting hole, a first support member installed in the first mounting hole and having a first through-hole that extends along an axial direction of the first mounting hole, a first elastic ring fitted on the first support member and radially compressed between the first support member and an inner circumferential surface of the first mounting hole, and a first connecting member passing through the first through-hole and connectable to the first installation panel. There is a first radial gap between the first support member and the inner circumferential surface of the first mounting hole when the first housing is installed on the first installation panel, allowing the first housing to float radially relative to the first connecting member.

Abstract: A wire take-up and pay-off device, including: a wire take-up and pay-off driver; a rotating shaft, which has a rear end connected with the wire take-up and pay-off driver; a front stop sleeve, fixedly sleeved on a front end of the rotating shaft and rotating synchronously with the rotating shaft; a rear stop sleeve, fixedly sleeved on the rear end of the rotating shaft and rotating synchronously with the rotating shaft; and a wire roller, fixedly sleeved outside of the front stop sleeve and the rear stop sleeve and rotating synchronously with the front stop sleeve and the rear stop sleeve. Further included is a slicing machine having the wire take-up and pay-off device. The wire take-up and pay-off device and the slicing machine have small volumes, thereby facilitating assembly, hoisting and transportation.

Abstract: The present disclosure discloses a corner protection device for a display screen and a display screen assembly. In the corner protection device, when a locking member slides on a base to be in a locked state, a locking block is inserted into a locking slot, a first protrusion is inserted into a first through hole of a first corner protection plate, and a second protrusion is inserted into a second through hole of a second corner protection plate. The first corner protection plate and the second corner protection plate protrude from a corner of the display screen. When the locking member slides on the base to be in an unlocked state, the first protrusion or the second protrusion drives the locking block to disengage from the locking slot, and the first corner protection plate and the second corner protection plate are received in a corner of the display screen.

Abstract: The present invention relates to a candle which includes a base unit and a candle body which is mounted to the base unit. The candle body includes a wick and a fibre optic running therethrough. The base unit includes a light sensor configured to detect light from the wick, when lit. There is additionally provided a light source configured to operate in dependence on detection of light by the light sensor.

Abstract: A display panel and a display device are described. The display panel includes a first display area, the first display area includes a first external area and a first compression area, and the first compression area is located at a side in a first direction of the first external area, wherein the first direction is parallel to the data line. The display panel further includes a plurality of first light-emitting units and a plurality of first pixel driving circuits.

Abstract: The present invention relates to the technical field of automobile connector terminals, in particular to a vibration-resistant socket terminal and a vibration-resistant plug terminal. An interior of the socket terminal includes a first vibration damping body, and on an exterior of the socket terminal is a vibration damping arm. The plug terminal and the socket terminal are mutually plugged together. The plug terminal includes first and second contact pins arranged opposite to each other, and a second damping body is arranged between the first and second contact pins.

Abstract: The present application proposes an airborne electromagnetic signal observation device and a system carried by an unmanned aerial vehicle (UAV). The device includes an inner frame, an outer frame and a flexible support that are connected to each other. The device and the system can enhance the stability of the sensor in flight and greatly suppress motion noise.

Abstract: Disclosed are a conductive member for connecting photovoltaic cells and a manufacturing method for the conductive member, and a photovoltaic module and a manufacturing method therefor. The conductive member comprises a first segment and a second segment in a length direction thereof, wherein the first segment and the second segment both have a planar contact surface; the second segment has a reflective surface facing away from a planar contact surface thereof; the first segment has a first cross section perpendicular to a length direction thereof; the second segment has a second cross section perpendicular to a length direction thereof; and the area of the first cross section is equal to the area of the second cross section.

Abstract: The present invention provides a transcription factor NCgl0581 mutant and use thereof in L-serine detection, belonging to the technical field of biological detection. According to the present invention, key binding sites of the transcription factor NCgl0581 with L-serine are obtained through molecular docking, and further model analysis and virtual screening are carried out to obtain an L-serine biosensor mutant NCgl0581E136P. Experiments show that the biosensor constructed based on the mutant NCgl0581E136P can respond to 25 mM serine, which is half of the response concentration before the mutation. The present invention reduces the detection limit of the biosensor through mutation, lays a foundation for the detection of low-concentration L-serine, and has good application value and prospect.

Abstract: A high-coercivity neodymium-cerium-iron-boron permanent magnet has at least one of the following features: the area of grain boundary RE-rich phases in the magnet accounts for 4% or more of the area of a whole field of view; the grain boundary RE-rich phases in the magnet are fine and uniformly distributed; and the mean value of ratios of the area of block-shaped grain boundary RE-rich phases located at intersections of three or more main-phase grains to the total area of all the three or more adjacent main-phase grains in the vicinity is less than or equal to 30%. RE-rich phases in the magnet are continuously distributed along grain boundaries, thereby increasing the depth of diffusion of a diffusion source into the magnet, improve the uniformity of distribution of the diffusion source in the, and thus further improving the magnetic performance of the diffusion magnet.

Abstract: A Kriging model-based optimal design method and device for a bulk acoustic resonator, and a storage medium are provided. The Kriging model-based optimal design method includes: determining a structure and a material of a resonator, establishing a corresponding MASON model, and performing one-dimensional simulation on the MASON model to obtain a simulation result; determining, based on the simulation result, a design variable for optimizing the resonator, and constructing a Kriging surrogate model; determining an optimization goal, constructing an optimization problem model based on the optimization goal and the Kriging surrogate model, and solving the optimization problem model to obtain an optimal solution; and reducing upper and lower limits of the design variable to improve optimization accuracy.

Abstract: The invention relates to the technical field of wafer processing, and specifically discloses a wafer thinning system and a thinning method. The system includes a first transfer mechanism, a first conveying mechanism and a second transfer mechanism, as well as a rough grinding mechanism, a fine grinding mechanism and a detection mechanism disposed on the first conveying mechanism. The system further includes carrying mechanisms, a second conveying mechanism, and a controller. The controller is configured to control the first conveying mechanism to convey the carrying mechanisms and control the rough grinding mechanism, the fine grinding mechanism and the detection mechanism to sequentially perform rough grinding, fine grinding and thickness detection on the wafers. The system can implement rough grinding, fine grinding and thickness detection for the wafers, thereby implementing continuous thinning of the wafer and increasing the yield of wafer thinning.

Abstract: An integrated vessel with wave compensation capability for transportation of completed offshore wind turbines includes a wind turbine conveyor system, a dynamic positioning propeller system, and a six-degree-of-freedom parallel manipulator system, as well as a foundation monopile of a fixed wind turbine arranged in the hull; the completed offshore wind turbines are fixed on the wind turbine conveyor system by multiple wind turbine stabilizing blocks, and a clamping system is equipped in the six-degree-of-freedom parallel manipulator system.

Abstract: A method and a system for automatically collecting multiple information of a tunnel during construction period are provided. A detection point and a detection line are formed by projecting a light source on the inner wall of the tunnel, and then the pixel position changes of the areas where the detection point and the detection line are located in different time periods are recorded by a measuring camera, and the detection point and the detection line are integrated and corrected with tunnel point cloud data as a reference standard to form an accurate four-dimensional model of the tunnel.

Abstract: The disclosure provides a smart heat sealing method for vacuum packaging, comprising steps of: recording a time interval ?t between two adjacent starts of a heating device which is continuously started a number of times; recording a number k of starts of the heating device; obtaining a first heating coefficient p1 based on ?t, obtaining a second heating coefficient p2 based on k, selecting the heating constant t depending on specified parameters and performance of the vacuum package machine, and calculating the heating time T for next operation of the heating device by a formula T=p1*p2*t based on p1, p2, and t. It solves the heat accumulation problem of the heating device caused by too much repeated use or overuse in short time interval, and thus avoids unsuccessful vacuuming and solves the problem of poor heat sealing effect, and greatly improves user experience.

Abstract: Embodiments of this application provide a computing node and a computing device. The computing node includes a mainboard and a current guiding structure. An electronic component is mounted on a first surface of the mainboard, a through-current hole is disposed in a thickness direction of the mainboard, a hole wall of the through-current hole has a conductive medium, and the through-current hole is electrically connected to the electronic component. The current guiding structure is configured to be connected to a power supply, and is configured to transmit a power supply current output from the power supply, and the current guiding structure is disposed on a side of the mainboard, and is electrically connected to the hole wall of the through-current hole, to transmit the power supply current to the through-current hole in the thickness direction of the mainboard.