Abstract: A pan-sharpening method based on multimodal texture correction and adaptive edge detail fusion is provided, including: fusing upsampled low-resolution multispectral (LRMS) images with panchromatic images to obtain fused images; respectively extracting intensity components of the LRMS image and the fused image; inputting the intensity components and the panchromatic images into a multimodal texture correction model, and performing optimization solution on the multimodal texture correction model through optimization method to obtain texture-corrected images; extracting details of the texture-corrected images and applying edge protection to obtain first image details; extracting details of the upsampled LRMS image and applying edge protection to obtain second image details; performing adaptive fusion on the first image details and the second image details to obtain detail information; and adding the detail information to the upsampled LRMS image to obtain final high-resolution multispectral (HRMS) images.

Abstract: A hyperspectral target detection method of a binary-classification encoder network based on a momentum update is provided, and includes following steps: converting an acquired 3-D hyperspectral image into a hyperspectral image in a 2-D matrix form, performing a clustering to obtain a clustering result, and initializing a centroid; based on the clustering result, using Euclidean distance to find pixels adjacent to each centroid as pure background pixels and target pixels, and screening pure pixels; constructing a background-target training sample set based on the pure pixels, constructing a binary-classification encoder network based on a momentum update through the background-target training sample set, calculating a loss function, and optimizing to obtain a trained binary-classification encoder network; inputting the hyperspectral image in the 2-D matrix form into the trained binary-classification encoder network, and outputting a final detection map.

Abstract: A method for preparing a poly(thioctic acid)-copper coating (poly(TA-Cu)) on a surface of a cardiovascular stent material includes: grinding a cardiovascular stent material with sandpaper until the surface of the cardiovascular stent material is flat and smooth, rinsing the cardiovascular stent material with deionized water and anhydrous ethanol in sequence, and drying the cardiovascular stent material to obtain a pre-treated cardiovascular stent material; dissolving thioctic acid in an alcoholic solvent, adding anhydrous copper chloride to a mixed solution of thioctic acid and the alcoholic solvent, stirring the mixed solution, to yield a precursor solution; treating the pre-treated cardiovascular stent material with the precursor solution, and drying, thus forming a poly(thioctic acid)-copper coating on the surface of the pre-treated cardiovascular stent material. The concentration of thioctic acid in the alcoholic solvent is 0.1-0.

Abstract: An air conditioner indoor unit includes a chassis provided with a first installation position and a second installation position, an indoor heat exchanger provided at the first installation position, a compressor in communication with the indoor heat exchanger and provided at the second installation position, and a first-stage elastic vibration reduction structure and a second-stage elastic vibration reduction structure. An installation foot is provided at a bottom of the compressor and is connected to the chassis. The first-stage elastic vibration reduction structure is provided between the installation foot and the second-stage elastic vibration reduction structure. The second-stage elastic vibration reduction structure is provided between the first-stage elastic vibration reduction structure and the chassis.

Abstract: A method for constructing a support vector machine of a nonparallel structure is provided. On the basis of a traditional parallel support vector machine (SVM), a least square term of samples is added, an additional empirical risk minimization term and an offset constraint term are added to an original optimization problem, so as to obtain two nonparallel hyperplanes respectively, and a new nonparallel support vector machine with additional empirical risk minimization is formed. The method includes: preprocessing data, solving a Lagrange multiplier of a positive-class hyperplane, solving a Lagrange multiplier of a negative-class hyperplane, solving parameters of positive-class and negative-class hyperplanes, and determining a class of a new data point. Through the new method, a new nonparallel vector machine algorithm is proposed to further improve classification accuracy of hyperspectral images on the basis of the algorithm itself, so as to obtain better classification performance.

Abstract: A collaborative active learning classification method for hyperspectral images based on capsule networks is provided in the application, the method trains base classifiers CapsViT and CapsGLOM using an initial training set; calculates BvSB values of candidate samples using the CapsViT; uses the CapsGLOM to predict labels of the candidate samples; sorts the candidate samples according to the BvSB values; puts the candidate samples after sorting into corresponding collectors according to category labels estimated by the CapsGLOM; labels information samples; updates the initial training set and candidate sample set and retrains the CapsViT and CapsGLOM; and obtains the classification results based on CapsViT and CapsGLOM after iteration.

Abstract: Disclosed herein are a preparation method for an alicyclic carbamate and the use thereof. The preparation method comprises the following steps: mixing a carbamate containing an aromatic ring, a catalyst and a solvent, and then introducing hydrogen for reaction to obtain the alicyclic carbamate, wherein the catalyst comprises a carrier and an active component, which is loaded on the carrier, the active component comprising any one or a combination of at least two of Pt, Rh, Ru, Ir or Pd. The preparation method for the alicyclic carbamate provided in the present application has mild reaction conditions, easy operation, low potential safety hazard and a high yield of the alicyclic carbamate, is suitable for multiple reactors, is easy for large-scale continuous production, and has good industrial application prospects.

Abstract: A hyperspectral target detection method of a binary-classification encoder network based on a momentum update is provided, and includes following steps: converting an acquired 3-D hyperspectral image into a hyperspectral image in a 2-D matrix form, performing a clustering to obtain a clustering result, and initializing a centroid; based on the clustering result, using Euclidean distance to find pixels adjacent to each centroid as pure background pixels and target pixels, and screening pure pixels; constructing a background-target training sample set based on the pure pixels, constructing a binary-classification encoder network based on a momentum update through the background-target training sample set, calculating a loss function, and optimizing to obtain a trained binary-classification encoder network; inputting the hyperspectral image in the 2-D matrix form into the trained binary-classification encoder network, and outputting a final detection map.

Abstract: A collaborative active learning classification method for hyperspectral images based on capsule networks is provided in the application, the method trains base classifiers CapsViT and CapsGLOM using an initial training set: calculates BvSB values of candidate samples using the CapsViT: uses the CapsGLOM to predict labels of the candidate samples; sorts the candidate samples according to the BvSB values: puts the candidate samples after sorting into corresponding collectors according to category labels estimated by the CapsGLOM; labels information samples; updates the initial training set and candidate sample set and retrains the CapsViT and CapsGLOM; and obtains the classification results based on CapsViT and CapsGLOM after iteration.

Abstract: Disclosed are a hydrogenation catalyst, a preparation method therefor and use thereof. The hydrogenation catalyst includes a carrier and an active component supported on the carrier, wherein the carrier is nitrogen-doped carbon, and the active component is a bimetal selected from Ru—Fe, Ru—Co, Ru—Ni or Ru—Cu.

Abstract: A method for preparing a poly(thioctic acid)-copper coating (poly(TA-Cu)) on a surface of a cardiovascular stent material includes: grinding a cardiovascular stent material with sandpaper until the surface of the cardiovascular stent material is flat and smooth, rinsing the cardiovascular stent material with deionized water and anhydrous ethanol in sequence, and drying the cardiovascular stent material to obtain a pre-treated cardiovascular stent material; dissolving thioctic acid in an alcoholic solvent, adding anhydrous copper chloride to a mixed solution of thioctic acid and the alcoholic solvent, stirring the mixed solution, to yield a precursor solution; treating the pre-treated cardiovascular stent material with the precursor solution, and drying, thus forming a poly(thioctic acid)-copper coating on the surface of the pre-treated cardiovascular stent material. The concentration of thioctic acid in the alcoholic solvent is 0.1-0.

Abstract: A method for constructing a support vector machine of a nonparallel structure is provided. On the basis of a traditional parallel support vector machine (SVM), a least square term of samples is added, an additional empirical risk minimization term and an offset constraint term are added to an original optimization problem, so as to obtain two nonparallel hyperplanes respectively, and a new nonparallel support vector machine with additional empirical risk minimization is formed. The method includes: preprocessing data, solving a Lagrange multiplier of a positive-class hyperplane, solving a Lagrange multiplier of a negative-class hyperplane, solving parameters of positive-class and negative-class hyperplanes, and determining a class of a new data point. Through the new method, a new nonparallel vector machine algorithm is proposed to further improve classification accuracy of hyperspectral images on the basis of the algorithm itself, so as to obtain better classification performance.

Abstract: Disclosed is a preparation method for preparing diphenylmethane diisocyanate. The preparation method comprises: under a catalyst condition, performing a pyrolysis reaction on diphenylmethane dicarbamate in an inert solvent having a boiling point lower than that of diphenylmethane diisocyanate to obtain diphenylmethane diisocyanate.

Abstract: A method including: employing pure magnesium or a magnesium alloy as a substrate material, and sanding and cleaning the substrate material; preparing an electrolyte including 0.8-8 mmol/L of Zn2+, 30-50 mmol/L of Ca+, 15-35 mmol/L of H2PO4?, 0-0.5 mol/L of NaNO3, and 0-0.05 mmol/L of a magnesium ion complexing agent; employing the substrate material as a cathode, a graphite flake as an anode, heating the electrolyte to a temperature of between 60 and 90° C., and synchronously immersing the cathode and the anode into the electrolyte; and implementing an electrochemical deposition method in the electrolyte for between 20 and 60 min.

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a secondary grid line disposed on a front surface of the cell substrate. The solar cell unit also comprises a conductive wire intersecting and welded with the secondary grid line. The secondary grid line has a width in a welding position with the conductive wire greater than a width thereof in a non-welding position.

Abstract: A method including: employing pure magnesium or a magnesium alloy as a substrate material, and sanding and cleaning the substrate material; preparing an electrolyte including 0.8-8 mmol/L of Zn2+, 30-50 mmol/L of Ca°, 15-35 mmol/L of H2PO4?, 0-0.5 mol/L of NaNO3, and 0-0.05 mmol/L of a magnesium ion complexing agent; employing the substrate material as a cathode, a graphite flake as an anode, heating the electrolyte to a temperature of between 60 and 90° C., and synchronously immersing the cathode and the anode into the electrolyte; and implementing an electrochemical deposition method in the electrolyte for between 20 and 60 min.

Abstract: A grid assembly for cryo-electron microscopy may be fabricated using standard nanofabrication processes. The grid assembly may comprise two support members, each support member comprising a silicon substrate coated with an electron-transparent silicon nitride layer. These two support members are positioned together with the silicon nitride layers facing each other with a rigid spacer layer disposed therebetween. The rigid spacer layer defines one or more chambers in which a biological sample may be provided and fast frozen with a high degree of control of the ice thickness.

Abstract: Provided is a vacuum pumping device and a related method for manufacturing a vacuum glazing. The vacuum pumping device includes: a circular tubular pumping operation unit; a cylindrical pump-out hole sealing operation unit; a control part; and a driving device. The pumping operation unit and the pump-out hole sealing operation unit share a central axis, and form a cylinder with the former being outside and the latter being inside. A pumping channel is formed in a tube wall of the pumping operation unit, and a heating unit is disposed in the top portion inside the pump-out hole sealing operation unit. The control part time-sequentially controls the pumping operation unit and the pump-out hole sealing operation unit to move, controls the pumping channel to perform operations, and controls the heating unit to heat a sealing sheet to perform a pump-out hole sealing operation.

Abstract: A grid assembly for cryo-electron microscopy may be fabricated using standard nanofabrication processes. The grid assembly may comprise two support members, each support member comprising a silicon substrate coated with an electron-transparent silicon nitride layer. These two support members are positioned together with the silicon nitride layers facing each other with a rigid spacer layer disposed therebetween. The rigid spacer layer defines one or more chambers in which a biological sample may be provided and fast frozen with a high degree of control of the ice thickness.

Abstract: A solar cell unit comprises a cell. The cell includes a cell substrate and a secondary grid line disposed on a front surface of the cell substrate. The solar cell unit also comprises a conductive wire intersecting and welded with the secondary grid line. The secondary grid line has a width in a welding position with the conductive wire greater than a width thereof in a non-welding position.