Abstract: Disclosed is a high-integration-level plastic tail door, comprising a tail door upper outer plate, a tail light, a tail door lower outer plate, an inner plate, and a high brake light, wherein the tail door upper outer plate, as a whole, is integrated with a spoiler, a tail door windshield, a windscreen decorating member, and a high brake light cover; the tail door upper outer plate is of two layers and is formed by means of double-shot molding, with a first layer being a transparent layer and a second layer being a black non-transparent layer; a first open hole is provided at the position of the high brake light in a black non-transparent layer area; a second open hole is provided in the middle of the tail door windshield; and a hardened coating is arranged on the outer layer of the transparent layer.

Abstract: In one aspect, a preparation method for a double-sided solar cell includes: preparing a semi-finished product of the double-sided solar cell, the semi-finished product including a silicon wafer, and a P-type doped layer, a front passivation layer, and a front anti-reflection layer that are sequentially formed on a front surface of the silicon wafer; providing an opening corresponding to a front finger on a front surface of the semi-finished product, the opening extending through the front anti-reflection layer and the front passivation layer in sequence and exposing a surface of the P-type doped layer; and coating a non-fire-through paste in contact with the P-type doped layer through the opening, sintering the paste, to form the front finger. This preparation method can increase the open circuit voltage of the double-sided solar cell, and improve the conversion efficiency of double-sided solar cell.

Abstract: A floating board-to-board connector includes a male header and a female header. The female header includes a female header body and a plug-in member, the plug-in member is connected with the female header body, and the plug-in member is disposed through the female header body; the male header includes a male header body and a pin, the male header body is provided with a mounting cavity, the pin is connected in the mounting cavity, the mounting cavity is used for mounting the female header body, and the plug-in member is provided with a plug-in hole into which the pin is inserted; and a cavity wall of the mounting cavity is provided with a clamping groove, the female header further includes a clamping member, the clamping member is convexly arranged on the female header body, and the clamping groove is used for mounting the clamping member.

Abstract: A system (100) and a method for puncture path planning are provided. The system (100) comprises: at least one storage medium including a set of instructions; and one or more processors (210) communicating with the at least one storage medium. When executing the instructions, the one or more processors (210) are used to: determine a target point (410) based on a target image; determine one or more candidate paths (420) based on the target point and at least two constraints, wherein in the process of determining the one or more candidate paths, a path planning condition is adaptively adjusted based on a first preset condition; and determine a target path (430) based on the one or more candidate paths.

Abstract: An array substrate including a display area having a plurality of subpixels is provided. The plurality of subpixels includes a plurality of first subpixels in a display-bonding sub-area and a plurality of second subpixels in a regular display sub-area. The array substrate includes a plurality of thin film transistors on a first side of the base substrate and respectively in the plurality of subpixels. A respective one of the plurality of first subpixels includes a bonding pad on a second side of a base substrate; a lead line electrically connecting a respective one of a plurality of thin film transistors to the bonding pad; and a via extending through the base substrate. The lead line is unexposed in the array substrate. The lead line extends from the first side to the second side of the base substrate through the via, to connect to the bonding pad.

Abstract: This application provides an adaptive damping magnetic field sensor, including: a receiving coil, an adaptive damping matching resistance circuit, and an amplifying circuit; where the receiving coil is used for receiving an earth response signal generated by the earth under excitation of an emission source, and generating an induced voltage; the adaptive damping matching resistance circuit is used for receiving the induced voltage generated by the receiving coil and automatically matching a damping resistance value to obtain a near-source broadband observation signal; and the amplifying circuit is used for amplifying the observation signal with a constant gain and outputting a sensor output signal. This application carries out automatic matching control on the damping resistance value through the adaptive damping matching resistance circuit, thereby ensuring that the sensor can stably and reliably implement fine observation of an earth response under near-source, broadband and complex scene conditions.

Abstract: Disclosed are an alignment mask, a metal mask assembly, and a preparation method therefor. The alignment mask includes a mask body. The mask body includes: multiple alignment holes; and, separating parts surrounding at least some alignment holes and used for separating the areas at where the at least some alignment holes are located from other areas, where the separation parts include at least one semi-etched line.

Abstract: The present disclosure discloses an indoor structure segmentation method based on a laser measurement point cloud. The method includes the following steps: inputting an indoor three-dimensional point cloud, and performing supervoxel segmentation of the point cloud using a toward better boundary preserved supervoxel (TBBPS) segmentation method based on a given initial resolution r to extract a plane supervoxel unit; extracting surface point units in surface supervoxels by means of curvatures and normal vector changes; fitting an indoor plane model based on plane supervoxels; fitting an indoor surface model using a cylindrical simplex based on surface points; and based on an ?-expansion optimization algorithm, allocating the extracted supervoxel units and surface point units to an optimal model, so as to realize unit classification and segmentation.

Abstract: The present disclosure relates to the technical field of packaging and discloses a packaging box including a box body, a reel, and a cutting device. The box body is provided with an accommodation cavity used for accommodating a vacuum bag roll, and is provided with a bag outlet; the reel is rotatably arranged in the box body, and is used for mounting the vacuum bag roll; the cutting device includes a cutting part which is slidably connected to the box body; a bag opening of the vacuum bag roll stretches out from the box body to the cutting part after passing through the bag outlet. The packaging box provided by the present disclosure is conducive to storage, transport, and cutting the vacuum bag rolls, meeting the requirements of the user for using vacuum bags.

Abstract: Compositions including a sintered porous ultra-high-molecular-weight polypropylene material having a viscosity average molecular weight over 500,000, an average porc size ranging from 10 ?m to 200 ?m, and a porosity ranging from 20% to 60%. Devices and methods including such compositions.

Abstract: The present disclosure relates to the technical field of mine ventilation, and in particular, to a three-dimensional ventilation method and system for mining by 110 construction method in coal and gas outburst mines.

Abstract: The present disclosure provides a screen control method, a screen control apparatus, an electronic device, a program and a medium, relates to the technical field of display. The method includes: receiving an image picture displayed by a non-touch terminal without a touch function, and displaying the image picture in a touch screen; receiving a touch operation on the image picture; in response to the touch operation, sending a control instruction corresponding to the touch operation to the non-touch terminal, wherein the control instruction is used for instructing the non-touch terminal to execute a control operation on the image picture.

Abstract: The present disclosure relates to a microfluidic chip and a microfluidic chip detection system. The microfluidic chip including: a storage member provided with a groove therein, at least two storage chambers being disposed around the groove; a base disposed at one end of the storage member away from the groove, a reaction chamber being disposed on the base; and a valve disposed in the groove, the valve being configured to operatively communicate any one of the at least two storage chambers with the reaction chamber. The present disclosure can lead the solution in any storage chamber to the reaction chamber or lead the solution in the reaction chamber to any storage chamber by operating the valve, so that the solution transfer is realized, the structure is simple and compact, the length of the flow channels can be greatly shortened, and the detection efficiency is improved.

Abstract: A method and system for determining coastal erosion disaster early warning lines and calculating spatial scope thereof. The method includes determining a coastal erosion rate according to coastal erosion change monitoring data and landform data; and calculating at least one coastal erosion early warning line in coming N years in conventional conditions according to an established coastal erosion rate calculation method; determining the at least one coastal erosion early warning line in N years in extreme conditions by increasing influencing factors of accelerated sea level rise and extreme storm waves and utilizing a determination and calculation method of coastal erosion disaster early warning lines; and obtaining a coastal erosion retreat position and scope and sending early warning based on the coastal erosion rate in conventional conditions and the at least one coastal erosion early warning line in extreme conditions.

Abstract: A nanowire laser includes a nanowire on a substrate and a one-dimensional photonic crystals on ends the nanowire. The nanowire is disposed on a substrate. The nanowire has an elliptical cross-sectional shape with a longitudinal direction parallel to a plane of the substrate. The one-dimensional photonic crystals are separated from each other to form a resonator.

Abstract: An N-type double-sided solar cell preparation method comprises: sequentially forming a front aluminum oxide passivation layer and a front silicon nitride anti-reflection layer on a front face of an N-type silicon wafer. The front aluminum oxide passivation layer is prepared by using a plasma-enhanced atomic layer deposition method, and the deposition conditions thereof involve: any frequency in the frequency range of 40 kHz to 400 kHz is selected to be a radio-frequency power supply frequency, a gaseous aluminum source is first introduced into a plasma apparatus in a vacuum state, such that a layer of aluminum source molecules is adsorbed on the surface of the silicon wafer, and a gaseous oxygen source is then introduced, such that the oxygen source is ionized into plasma and reacts with the aluminum source to obtain aluminum oxide.