34results about How to "Reduce the difficulty of observation" patented technology

The invention discloses a refrigerator testing stand with an automatic rotation mechanism, which includes a main frame, and the main frame includes two front and rear side connecting plates, inner self-lubricating guide strips are fixed on the inner side walls of the two side connecting plates; The middle part of the main frame is provided with an intermediate support plate, the top surface of the intermediate support plate is fixed with a mobile oil cylinder, the end of the push rod of the mobile oil cylinder is fixed with a mobile frame, and the top of the mobile frame is fixed on the right bottom surface of the laterally movable plate; At least one rotating mechanism is installed on the lateral moving plate, and the bottom surfaces of the front part and the rear part of the rotating plate of the rotating mechanism are in close contact with the top surfaces of the corresponding internal self-lubricating guide strips. The invention can automatically rotate the refrigerator placed on the main placement board, so that it can detect the internal mechanism, and can also rotate the refrigerator to observe and detect its outer surface, without manual detection around the refrigerator, which greatly reduces the cost of detection and observation. Difficulty, improve detection efficiency.

The invention belongs to the technical field of scanning electron microscopy, and specifically relates to a system, method and electronic equipment for intelligent preparation of cryo-electron microscope samples, aiming to solve the problems of poor section quality and low position accuracy of existing cryo-electron microscope sample preparation devices; Center, ultra-low temperature liquid pool, sample holding mechanism for limiting the position of samples to be processed, sample processing mechanism for cutting / polishing samples, position adjustment mechanism, and sample transfer mechanism for transferring processed samples; during the work process, the total The control center controls the ultra-low temperature liquid pool based on the target sample type to provide a preset temperature environment, and starts the position adjustment mechanism based on the position information of the sample holding mechanism in the first chamber to drive the sample processing mechanism to process according to the preset processing route. The processed sample information in the second chamber activates the sample transfer mechanism to transfer the preset environment; the invention can realize high-quality and high-precision cryo-electron microscope sample preparation.

The invention discloses a portable machine tool for aluminum alloy plate processing, which comprises a machine base, a workbench is slidably connected to the middle part of the top end of the machine base, a gantry frame is movably connected to the top of the outer surface of the machine base, and the middle part of one end of the gantry frame is The main shaft box is connected to the mobile, and the bottom side of the front of the machine base is fixedly equipped with a mobile picking mechanism. Through the fixed plate, the main connecting plate, the column and the positioning ring, the movement of the slider can be facilitated, and the rotation of the column can be facilitated, reducing the The difficulty of moving and rotating the column is reduced, while the chute, slide bar and main screw can facilitate the movement of the slide bar, reduce the difficulty of moving the slide bar, and then can absorb the aluminum alloy plates at different positions inside the machine base At the same time, using the lifting cylinder, connecting plate, suction pump, suction pipe, connecting pipe, vacuum suction cup, fixed block and control switch, it is easy to take the aluminum alloy plate inside the machine base, reducing the aluminum alloy plate inside the machine base. The difficulty of taking it.

The embodiment of the present application discloses an ocean buoy, data observation method, device, electronic equipment, and storage medium, wherein the ocean buoy includes: a floating part, a transmission part, and a data observation part; the data observation part is fixed on a floating part through a support part The height of the data observation part from the buoy waterline is not lower than the effective wave height of the current observation area; the data observation part transmits the observation data to equipment other than the buoy through the transmission part electrically connected to it . This scheme can set the position of the observation device according to the average wave height of the collection sea area, and realize stable and accurate collection of air-sea flux data in different regions.

The invention discloses a method for clustering and integrating X-ray film image data, which includes the following steps: S01: after preprocessing the X-ray film image, obtain data from the image; S02: obtain the gray value of each point in the image The intensity value Gi, j is stored in the gray value matrix G, Gi, j represents the gray value of the i-th row and the j-th column point in the image; S03: Use the clustering integration algorithm based on the K-means improved algorithm or the hierarchical clustering The improved algorithm performs clustering analysis processing on the gray value matrix G; S04: Use the HGPA algorithm to perform integrated operations. The clustering integration algorithm based on the K-means improved algorithm improves the selection of K initial cluster centers. The improved hierarchical clustering algorithm simplifies the data in the data preprocessing process, and divides the points with the same gray value in the first place. In the same cluster, the maximum number of initial clusters is only 256. It can reduce the difficulty of X-ray observation and even find out foreign bodies, thereby assisting doctors in diagnosis.

The invention provides a method for determining the optimal resolution of ocean surface wind field inversion based on SAR (Synthetic Aperture Radar), which comprises the steps of acquiring synthetic aperture radar images containing both co-polarization and cross-polarization, and preprocessing the acquired images; performing resampling on co-polarization and cross-polarization backward scattering coefficient images; carrying out ocean surface wind field inversion by using a co-polarization geophysical model function to obtain co-polarized wind field data with different spatial resolutions; carrying out ocean surface wind field inversion by using a cross-polarization ocean model function to obtain cross-polarization wind field data with different spatial resolutions; building a Gaussian model of a root-mean-square error, which changes along with the spatial resolution, of the co-polarization wind field data and the cross-polarization wind field data with different spatial resolutions; and performing first-order derivative derivation on the function, and when the derivative value is greater than -1*10<-4>, regarding the spatial resolution corresponding to the point is the optimal resolution. The wind speed inversed at the spatial resolution is high in accuracy.

The invention discloses a laparoscope, hysteroscope and guidewire combined tubal repatancy system, comprising a laparoscope, a hysteroscope, a guidewire combination and a clamping and positioning device; the clamping and positioning device comprises a base, a universal arm, a universal rotor and clamping clamps; the universal rotor is connected with the base through the universal arm, the clamping clamps are fixedly connected with the universal rotor, the universal rotor is provided with an electronic positioning lock, and therefore the universal arm, the universal rotor and the clamping clamps form a positioning mechanism; two groups of positioning mechanisms are arranged on the base; the laparoscope is connected with the corresponding positioning mechanism through one of the clamping clamps, and the hysteroscope is connected with the corresponding positioning mechanism through the other one of the clamping clamps; the guidewire combination comprises a catheter and a guidewire, wherein the insertion end of the catheter is a taper with an opening in the top and the tail end of the catheter is provided with an electronic flowmeter. The laparoscope, hysteroscope and guidewire combined tubal repatancy system has the advantages that the surgical operation difficulty is reduced, the judgment of the position of the guidewire is improved, and the judgment error of the medicinal liquid injection rate is reduced.

The invention discloses a metal-semiconductor composite structure, a SPPs excitation method and a preparation method. The structure sequentially comprises a transparent substrate, a multilayer dielectric film positioned on the transparent substrate, a semiconductor nanostructure positioned on the surface of the multilayer dielectric film, a transparent dielectric thin film for covering the semiconductor nanostructure, and a metal thin film positioned on the transparent dielectric thin film; the semiconductor nanostructure is used for forming defect of a nano scale on the surface of the metal thin film, and generating a fluorescence signal to excite the metal SPPs; the transparent substrate and the multi-layer dielectric film form a double-color-mirror substrate, and the double-color mirrorsubstrate is high in laser transmittance and high in fluorescence reflection; and the excitation method comprises the steps that the laser with relatively short wavelength penetrates through the double-color-mirror substrate and then is vertically incident on the semiconductor nanostructure, so as to excite the semiconductor nanostructure to generate a single-photon fluorescence signal with relatively long wavelength, and then the SPPs of the metal film is excited by the fluorescence signal. According to the invention, the excitation efficiency of the SPPs can be improved, and the detection difficulty and the detection cost of the SPPs can be lowered.