Abstract: A photolithography method includes: sequentially preparing a functional film layer, a reflective auxiliary imaging film layer and a first photoresist layer which are stacked, on a photolithography substrate; performing photolithography on the first photoresist layer to obtain a first photolithography structure; etching the reflective auxiliary imaging film layer with the first photolithography structure as a masking layer; on the pattern of the reflective auxiliary imaging film layer, sequentially preparing a second photoresist layer and a transmissive auxiliary imaging film layer which stacked; performing surface plasmon photolithography with the pattern of the reflective auxiliary imaging film layer as a mask, removing the transmissive auxiliary imaging film layer, and then developing the second photoresist layer, to obtain a second photolithography structure; and etching the functional film layer, with the second photolithography structure as a masking layer, to obtain a third photolithography structure.

Abstract: Method for predicting a stability of a steel cylinder including: in response to the steel cylinder tilting toward a seaward side at an arbitrary rotation point, obtaining a safety factor for the steel cylinder tilting toward the seaward side by determining an anti-tilt moment and a tilt moment when the steel cylinder is tilted to the seaward side; under a same rotation point, in response to determining that the steel cylinder is rotated toward a land side, determining the safety factor for the steel cylinder tilting toward the land side; taking a smaller safety factor as the safety factor under the rotation point; re-selecting a new rotation point, determining a safety factor corresponding to the new rotation point, and taking a safety factor with a smallest value among all rotation points as a final safety factor; and generating, based on the final safety factor, an anti-tilt instruction.

Abstract: A pressure transmitter is disclosed. A pressure measuring portion pressurized by a target fluid that is a target of a pressure measurement and a reference pressure measuring portion pressurized by an external fluid outside a pipe are provided. In addition, a part of the pressure measuring portion that is pressurized by the target fluid and a part of the reference pressure measuring portion that is pressurized by the external fluid are provided inside one thermally conductive member. Accordingly, at the portion pressurized by the target fluid and at the portion pressurized by the external fluid, a difference in temperature between the pressure measuring portion and the reference pressure measuring portion may be insignificantly small. As a result, an accuracy of an operation of correcting an error that may be generated by thermal expansion of the medium fluid in the pressure measuring portion can be improved.

Abstract: A method for rapid demolishing of a cement concrete pavement slab and a device there for. The device includes a demolishing vehicle, and the demolishing vehicle includes a base disposed at a bottom of the demolishing vehicle. The first shallow cutting allows first saws to make a minimal cut into the cement concrete pavement, increasing the cutting speed. A second deeper cutting is made on the basis of the grooves cut by the first saws, and although second saws have a larger feed, a cutting thickness of the cement concrete pavement is reduced by the first saws. A third cutting follows the same principle as the previous cuttings.

Abstract: Provided are a method of manufacturing a stent for drug release that may be coated with a drug by forming a 3D nanostructured film on the surface of a stent and a stent for drug release manufactured thereby, more particularly, a method of manufacturing a stent for drug release including: (a) preparing a stent, (b) forming a 3D nanostructured film on a surface of the stent; and (c) surface-treating the 3D nanostructured film, and a stent for drug release manufactured thereby.

Abstract: An intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device operate by deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.

Abstract: The present invention relates to a room-temperature multiferroicity material, a method for preparing same, and an electronic device comprising same. According to an example embodiment of the present invention, a room-temperature multiferroicity material according to an aspect of the present disclosure comprises a compound in chemical Formula (2) below in a compound matrix in chemical formula (1) below. Chemical formula (1) (Pb1-xTMx)Fe1/2Nb1/2O3 (in chemical formula (1), TM comprises at least one selected from the group consisting of Fe, Ni and Co, and x is a number greater than 0 and smaller than 1). Chemical formula (2) ABO3 (in chemical formula (2), A comprises at least one selected from the group consisting of Pb, Bi and Ba, and B comprises Ti and/or Zr).

Abstract: An X-ray backscatter imaging system for precise searching for container hazardous cargo, includes: an X-ray generator configured to irradiate X-rays toward a search target container; and a cylinder-type scattering X-ray detection collimator configured to allow only scattering X-rays generated on a specific layer of the search target container among the X-rays irradiated from the X-ray generator to pass through, and X-rays scattering on a specific layer is measured by adjusting angles of collimators based on a layer to be measured, so that a search for hazardous cargo by layer of the container can be performed precisely.

Abstract: Disclosed herein an apparatus and method for estimating a phase retarder and method of manufacturing the phase retarder using the same. The apparatus includes: a polarization element configured to output an incident light as a linear polarization and to make the linear polarization incident onto a phase retarder to be tested; a polarization image acquisition module equipped with a plurality of polarized pixels receiving an emitting light that is output from the phase retarder, on which the linear polarization is incident, and configured to obtain a polarization image based on the emitting light that is modulated in the polarized pixels; and a processor configured to evaluate quality of the phase retarder based on uniformity of a brightness value between polarized pixels of the polarization image. The polarized pixels modulate the emitting light based on a plurality of transmission angles and detects the modulated emitting light.

Abstract: Provided is a module and method for transmitting information using a wireless hidden signal, which is capable of transmitting important information data requiring extreme security using a wireless hidden signal, and allowing the important information to be detected and distinguished by only promised transmitting/receiving parties so that the possibility of the wireless hidden signal being discovered can be minimized and security can be enhanced. The module for transferring information using a wireless hidden signal includes: a hidden formatting unit configured to generate a transmission data frame structure based on data that needs to be wirelessly transmitted; a hidden encoding unit configured to encode the generated transmission data frame structure to generate and output a hidden encoded bit stream; and a hidden modulation unit configured to convert the output hidden encoded bit stream into a wireless signal in a wireless transmission format.

Abstract: A catalytic conversion process for producing propylene includes the steps of: 1) providing a starting material comprising olefin(s) having 4 or more carbon atoms; 2) pretreating the starting material to obtain a propylene precursor comprising olefin(s) having 3×2n carbon atoms, wherein n is an integer greater than or equal to 1; and 3) subjecting the propylene precursor to a catalytic cracking reaction to obtain a reaction product comprising propylene.

Abstract: The present disclosure relates to an LED epitaxial structure and a manufacturing method therefor, a light emitting device and a display panel. The LED epitaxial structure includes: a substrate, an N-type confinement layer, an active layer and a P-type confinement layer, which are disposed in sequence from bottom to top, wherein the active layer includes quantum well layers and quantum barrier layers, which are alternately disposed, a part of the quantum barrier layers are first quantum barrier layers, at least one of the quantum barrier layers is a second quantum barrier layer, the second quantum barrier layer is located between two first quantum barrier layers, and a thickness of the second quantum barrier layers is greater than a thickness of the first quantum barrier layers.

Abstract: An efficient tool to remove amplifier glow from low-light and long-exposure digital images, without sacrificing the useful signal contained in these images. This is particularly useful in deep space imagery, where long exposure times are common, and wherein the darkness of the capture images further highlights the effects of amplifier glow.

Abstract: The present invention relates to a sample diluting and dispensing device. The sample diluting and dispensing device according to the present invention includes: a sample holding plate in which a holding part for holding a plurality of sample vessels is formed; a moving unit for transferring the sample holding plate in a plane direction and a height direction; a sample supply unit for supplying a sample to the sample vessel; a diluent supply unit for supplying a diluent to the sample vessel; a scale installed below the sample holding plate to measure a weight of the sample vessel; and a controller for receiving a weight measurement result from the scale and controlling an operation of each of the sample holding plate, the sample supply unit, and the diluent supply unit.

Abstract: The present disclosure relates to a device and method for removing metal gallium, and a laser lift-off system. The device includes a device body, and the device body includes a process chamber (10), wherein fluid used for removing metal gallium left on the surfaces of multiple Micro Light Emitting Diode (Micro-LED) chips after laser lift-off is contained in the process chamber (10); and a temperature of the fluid is greater than or equal to a melting point of metal gallium.

Abstract: A method and apparatus for generating additional information used to reconstruct an additional image through steps of: generating information for movement compensation based on the original right image of the stereoscopic image and the previous frame of the right image; and generating first additional information for reconstructing the right image to a high resolution based on the original right image and the information for movement compensation are provided.

Abstract: A digital PCR system includes a droplet formation assembly and a droplet ejection hole assembly, the droplet ejection hole assembly being connected below the droplet formation assembly. The droplet formation assembly includes a cover plate and at least one annular step connected to a lower surface of the cover plate, and the droplet ejection hole assembly has a plurality of droplet ejection holes. The upper surface of the droplet ejection hole assembly, the lower surface of the cover plate and the annular step jointly enclose to form a droplet formation chamber. A vaporization component is provided within the droplet ejection holes, being used for vaporizing a liquid layer of a digital PCR solution in the droplet ejection holes and quickly pushing same into droplet formation oil in the droplet formation chamber so as to form digital PCR droplets.

Abstract: The present invention relates to a lipase-producing strain and application thereof. The strain is classified and named Bacillus subtilis CS1802, with a preservation number of CCTCC NO: M2018262. The strain can be used to produce vitamin A palmitate through whole-cell transformation of vitamin A and palmitic acid. The Bacillus subtilis CS1802 of the present invention is derived from traditional natural fermented food and is a microorganism generally recognized as safe. The strain can be easily cultured and preserved. The highest content of vitamin A palmitate obtained through whole-cell transformation of vitamin A and palmitic acid is 15.35 mg/L. The highest transformation efficiency is 76.75%. The strain provides a new path for enzymatic synthesis of vitamin A palmitate and has important application prospects.

Abstract: A device and method for performing fast grid-based refining segmentation (FGRS) for video-based point cloud compression (V-PCC) is proposed. The method may include dividing a space of a three-dimensional (3D) point cloud into multiple grids to derive multiple voxels, searching for filled voxels including one or more points, searching for surrounding voxels which are filled voxels within a certain radius from each of the filled voxels, and searching for edge voxels which are present at a segment edge among all the filled voxels. The method may also include calculating smooth scores for surrounding voxels of each edge voxel and calculating a smooth score sum which is a smooth score for the edge voxel on the basis of the smooth scores of the surrounding voxels of the edge voxel, and updating a projection plane index (PPI) for each individual point in the edge voxel using the calculated smooth score sum.

Abstract: The present invention relates to a wireless communication method and a wireless communication terminal for a spatial reuse operation of an overlapping basic service set, and more particularly, to a wireless communication method and a wireless communication terminal for supporting a spatial reuse operation of an overlapping basic service set to efficiently use a wireless resource. To this end, provided are a wireless communication terminal including: a processor; and a communication unit, wherein the processor receives a trigger frame indicating an uplink multi-user transmission, and transmits a trigger-based PHY protocol data unit (PPDU) in response to the received trigger frame, wherein the trigger-based PPDU comprises a spatial reuse parameter for spatial reuse operation of an overlapping basic service set (OBSS) terminal and a wireless communication method using the same.