20results about How to "Reduce smearing" patented technology

The invention discloses a children sunscreen mousse composition and a preparation method thereof.The children sunscreen mousse composition comprises agent materials and a propellant, the agent materials comprise an A-phase substance, a B-phase substance, a C-phase substance, a D-phase substance and an E-phase substance, the A-phase substance comprises a first solvent, a chelating agent, a thickening agent, p-hydroxyacetophenone and a humectant, and the thickening agent comprises xanthan gum; the B-phase substance comprises grease, a first sun-screening agent, a sun-screening synergist, an emulsifier, an antioxidant and a film-forming agent; the emulsifying agent is prepared from potassium cetyl phosphate and polyglycerol-10 laurate; the C-phase substance comprises a second solvent and a second sun-screening agent, and the second sun-screening agent comprises at least one of p-xylylene dichorsulfonic acid and methylene bis-benzotriazolyl tetramethyl butyl phenol; the D-phase substance comprises a preservative, a skin protecting agent and a filling agent; and the E-phase substance comprises a pH regulator and a third solvent. The sunscreen mousse composition for children has better mildness, sunscreen effect and stability, and also can provide a soft and dense mousse texture.

The invention provides an LED backlight dimming method and system, and belongs to the field of image data processing.The method comprises the steps that an image frame sequence used for LED screen display is obtained, a brightness highlighting channel is extracted from the image frame sequence, and backlight areas are divided for all image frames according to the brightness highlighting channel; and calculating a back moving mask for the backlight area to obtain a backlight moving area, and adjusting the backlight moving area. The method is suitable for real-time operation on embedded equipment, and the image quality and the user experience are remarkably improved.

The invention relates to the field of drug analysis, and discloses a trace analysis method and system for antiviral drugs in sewage based on LC-MS / MS. The method comprises the following steps: filtering a sewage sample, analyzing the drug properties of the antiviral drugs, carrying out solid-phase extraction on the filtered sewage sample, preparing an LC-MS / MS module of the extracted sample, determining a mobile phase of a chromatographic column, and determining the mobile phase of the chromatographic column. Balancing the chromatographic column, constructing chromatographic conditions for balancing the chromatographic column, determining a tuning solution and a mass axis calibration compound of a mass spectrometer, calibrating the mass spectrometer, and constructing mass spectrum conditions of the calibrated mass spectrometer; the method comprises the following steps: preparing a standard solution containing an antiviral drug, analyzing the standard solution, constructing a standard curve of the standard solution, and calculating a response coefficient of an LC-MS / MS module; and analyzing the extracted sample to obtain a sample mass spectrum and a sample chromatogram, and calculating the content of the antiviral drug. According to the method, the sensitivity and accuracy of trace analysis of the antiviral drugs in the sewage can be improved.

The utility model discloses a gluing device, which comprises a glue tank, a glue spraying device, a glue spraying device, a glue spraying device and a glue spraying device, and is characterized in that the glue tank is horizontally arranged and has an upward notch; the rubber roller extends in the length direction of the rubber groove and is rotationally arranged around the axis of the rubber roller, and the rubber roller is a floating roller intersecting with a groove opening of the rubber groove; the roller seats are arranged at the two ends of the rubber roller and are rotationally connected with the rubber roller, and the roller seats are in sliding connection with the rubber groove in the vertical direction. According to the gluing device, the glue roller is designed to be the floating roller floating on the glue solution, the floating roller and the roller seat are supported by the borne buoyancy, and the fixed contact area of the glue roller and the glue solution is ensured, so that the consistent glue solution smearing amount is ensured, the production quality of a composite film is favorably improved, and the situation that the smearing amount of the glue solution is reduced along with the increase of the use time is avoided.

This invention relates to the field of nuclear radiation detection technology, and more particularly to an energy spectrum processing method for a quasi-hemispherical CdZnTe detector. The method includes: acquiring the raw signal collected by the quasi-hemispherical CdZnTe detector; normalizing the amplitude of the raw signal from the baseline to the highest point during the rise phase; dynamically selecting multiple energy thresholds; performing rise time discrimination on the normalized signal within each energy threshold; filtering out signals with rise times greater than RTflag and determining the rise time range corresponding to that energy threshold; constructing an intermediate energy spectrum corresponding to each energy threshold based on the signals with rise times greater than RTflag and the rise time range; and post-processing the intermediate energy spectrum to obtain the target energy spectrum corresponding to each energy threshold. This invention combines energy threshold discrimination, rise time discrimination, and energy spectrum post-processing algorithms to stably improve the energy resolution of the quasi-hemispherical CdZnTe detector for 662 keV gamma rays from the conventional 2%~3% to less than 1%.

The invention relates to a sulfur isotope detection device system and method for organic sulfides in natural gas, impurities in the natural gas are removed through a preset chemical trap and a hydrogen sulfide adsorption trap coupled with a heating device for use, and the effective enrichment space of the organic sulfides in a cold trap is prevented from being occupied; two stages of cold traps are adopted, so that organic sulfides can be effectively enriched and detected and analyzed; the sulfur isotope detection device system is high in reliability, high in automation degree and easy to operate, sulfur isotope detection and analysis are carried out by combining a chromatography-stable isotope mass spectrometer, and a new way is provided for researching causes, sources and generation mechanisms of sulfur-containing natural gas.

The application belongs to the technical field of detection, and particularly relates to a method for determining the content of chlorhexidine acetate in a disinfectant. The method for determining the content of chlorhexidine acetate in the disinfectant comprises the following steps: (1) dispersing the sample with glacial acetic acid, releasing chlorhexidine acetate combined with sample matrix components, and extracting with a methanol aqueous solution; and (2) taking a tetrabutylammonium bromide-acetic acid-acetonitrile solution as a mobile phase, and detecting with a high-performance liquid chromatograph. The method for detecting chlorhexidine acetate is simple in operation, good in reproducibility, complete in separation from impurities, high in accuracy, and has a good application prospect.

The invention relates to an AI noise reduction method for improving a night signal-to-noise ratio. The method comprises the following steps: step 1, obtaining original raw data of a night image and carrying out noise reduction processing; 2, performing statistics on gain information of the original raw data, and generating a fusion proportion aiming at the current gain information; 3, performing statistics on motion information of the original raw data, and generating a motion curve fusion proportion aiming at the current motion information; 4, counting the brightness distribution information of the current raw data, and generating a brightness curve fusion proportion for the brightness distribution information; and step 5, generating final raw data after noise reduction based on the data after noise reduction obtained in the step 1 and the three fusion curves obtained in the steps 2-4. The technical problems that the noise form is not good under low illumination, and motion smear is caused in order to solve the noise problem are solved.

The invention discloses a self-triggering square-wave pulse generator based on capacitive coupling energy taking. The self-triggering square-wave pulse generator comprises a power supply unit, a current-limiting protection resistor, a pulse shaping main circuit and a driving circuit, the power supply unit supplies power to the pulse shaping main circuit through the current-limiting protection resistor. The drive circuit adjusts on-off of a switching tube of the pulse shaping main circuit, so that the pulse shaping main circuit outputs pulses outwards. According to the invention, a discharge loop with a smaller time constant can be provided for gate-source charges, and the turn-off delay of each stage of the Marx circuit is improved; and meanwhile, a charging loop with a smaller time constant is provided for the equivalent output capacitor of the main switch, and the output trailing edge of each stage of the Marx circuit is shortened.

The present invention relates to a high counting rate alpha particle detection method for accompanying particle imaging of a fusion neutron generator, which can effectively improve the measurement counting rate and timing accuracy of the accompanying particle imaging system of a fusion neutron source. The method comprises: by setting a barrier layer of a semiconductor detector, the thickness of a detection sensitive area, and thinning the thickness of an electrode and a substrate, the energy deposition of interference particles in a deuterium-tritium neutron source in the sensitive area of ​​the detector is reduced, and the proportion of energy deposition of accompanying alpha particles in the sensitive area of ​​the detector is increased, so that the amplitude of the current pulse signal output by the detector is proportional to the particle deposition energy; a current sensitive amplifier is used to amplify and reduce noise on the pulse signal output by the detector, and a narrow width voltage signal proportional to the current signal of the detector is output; a leading edge timing discriminator is used to time the pulse leading edge of the amplified voltage signal, and a reasonable trigger threshold is set to eliminate interference particle signals, so that only accompanying alpha particle timing signals are obtained.

The invention provides a Schottky integrated super junction device which comprises a substrate, an N-type epitaxial layer is formed on the substrate, P-type columns are formed on the epitaxial layer, and areas between the P-type columns are alternately arranged super junction MOSFET forming areas. A Schottky diode formed by Schottky contact and a substrate is integrated in the super junction MOSFET in parallel, the super junction MOSFET is of a split-gate structure, and a blank space is reserved between the split-gate structures to serve as a Schottky contact area. A well region is formed on the epitaxial layer between the trench gate structure and the P-type column, and a well contact region and a source region are formed on the well region; a Schottky metal layer; the anode of the Schottky diode is located on the Schottky metal layer of the Schottky contact area, and the cathode of the Schottky diode shares the drain electrode of the super junction MOSFET located on the back face of the substrate. According to the invention, the Schottky structure can be formed without additional injection, and adverse effects of an irradiation process on the device can be avoided.

The application discloses a kind of double host electronic glasses and its image acquisition, processing and display method, belong to image processing technical field, a kind of double host electronic glasses, including: glasses frame, monocular vst perspective unit and the power supply unit compatible with monocular vst perspective unit, the monocular vst perspective unit is equipped with two groups, and two groups monocular vst perspective unit respectively independently handles the image of left and right eyes, the monocular vst perspective unit includes, display component, the display component includes optical module and micro display screen;Sampling component, the sampling component includes corresponding camera module with display component;Soc host unit, the Soc host unit undertakes corresponding monocular image processing task;Realize the frame level synchronous display and the relatively synchronous display of degradable under the premise of not forwarding image data of double eyes, to ensure that electronic glasses can still maintain at least single eye real-time picture output under abnormal condition, high-speed data link is equipped between the Soc host unit.

The present invention relates to the field of pressure sensors, and discloses a graphene-based piezoresistive vacuum gauge, a plurality of graphene sensor elements, including a plurality of stacked graphene sheets; a carrier, including a flexible carrier, the flexible carrier is coated on the outer surface of the graphene sensor element and is tightly fitted with the graphene sensor element; an electrode, the electrode is connected to the outer surface of the graphene sensor element to form a circuit for monitoring current. The present invention also discloses a method for making a graphene-based piezoresistive vacuum gauge, including making a graphene sensor element, connecting electrodes and carrier wrapping. The present invention provides a graphene-based piezoresistive vacuum gauge and a method for making the same, which uses a graphene sensor element to measure vacuum degree, and has the advantages of high sensitivity, low cost, fast response speed, small measurement error, etc., and has broad market application value and prospects.

The utility model relates to the technical field of SMT processing, in particular to SMT line arrangement equipment, which comprises a bottom plate, a mounting frame fixedly connected to one side of the top of the bottom plate, a glue nozzle fixedly mounted at the bottom of the mounting frame, a fixing assembly arranged inside the bottom plate, a flow control assembly mounted in an inner cavity of the glue nozzle, a first motor fixedly mounted on one side of the glue nozzle, and a second motor fixedly mounted on the other side of the glue nozzle. A second motor is fixedly installed at the bottom of the bottom plate, two movable grooves are formed in the top of the bottom plate, the fixing assembly comprises a fixing frame, the two sides of the inner wall of the fixing frame are each movably connected with a movable strip, the output end of the second motor is fixedly connected with a driving shaft, and the top of the driving shaft is fixedly connected with a driving gear; according to the device disclosed by the utility model, the distance between the two clamping strips is reduced through the second motor, so that a product is clamped and fixed, the product is prevented from moving in the dispensing processing process, and the dispensing efficiency of the device is improved.

The present application discloses a table tennis ball recognition method and device, and relates to the technical field of table tennis robot. The table tennis ball recognition method of one embodiment of the present application comprises: acquiring an image of a table tennis ball; decomposing the image into three color channels of red, green, and blue to obtain a red channel image, a green channel image, and a blue channel image; subtracting the red channel image from the green channel image to obtain a yellow channel image; performing threshold segmentation on the yellow channel image according to a preset upper threshold value and a lower threshold value to extract a target image area; extracting feature parameters from the target image area to determine the table tennis ball shape area. The present application embodiment can simplify the calculation steps of the table tennis ball recognition algorithm and improve the calculation speed.

The present invention discloses a software distributed task allocation method, device, equipment and storage medium, which are applied to the field of electronic technology. The method comprises: inputting the characteristic information of the distributed task into the generated machine learning model to obtain the running time of the distributed task; determining according to the preset rules that the long-time distributed tasks not greater than the number of computing units are stored in the computing unit for calculation; when the computing unit is idle, storing the remaining distributed tasks equal to the number of idle computing units in the computing unit for calculation. The method can give priority to calculating the long-time distributed tasks to reduce the tailing effect, thereby shortening the overall running time and improving the global operation efficiency.

This invention discloses a video frame interpolation method and system based on edge computing, belonging to the field of intelligent video processing technology. The method includes the following steps: acquiring data and generating video frame sequences, frame timestamps, and edge state tables; extracting change features to generate interpolated frame segments and segment complexity tables; inputting the segment data into an improved PWC-Net network to generate optical flow tables, residual region tables, and candidate frames; calculating the interpolation load to generate a computational cost table; calculating output interval deviation and node switching delay to generate a temporal sequence connection weight table; constructing a DAG graph of the interpolation task and inputting it into the HEFT algorithm to generate a task order and node allocation table; and performing candidate frame correction, splicing, and encoding to generate an interpolated video stream. This invention addresses the problems of computational redundancy in video frame interpolation under fluctuating edge node computing power, unstable interpolation in complex motion regions, and discontinuous temporal sequence connection between adjacent segments by introducing an improved PWC-Net network and the HEFT algorithm.

The invention discloses a method for in-situ mining zoning and injection seepage control of ionic rare earth ore. The method is based on underground water level, bedrock undulations and differences in sand and soil permeability, and adopts measures such as ridge zoning, seepage isolation, deep and shallow injection well networks and pulse injection. The method can solve the problems of unreasonable injection zoning, excessive local injection, underground seepage deviation loss and low leaching efficiency, and can effectively improve the leaching efficiency and the controllability of leaching solution seepage, reduce leaching solution losses, and reduce the incidence of leaching solution overflow, local landslides and leaching solution leakage caused by excessive leaching solution injection and seepage deviation. The method provides technical support for the quality improvement, efficiency enhancement and innovative development of the in-situ leaching mining process of ionic rare earth mines, and is helpful to build a new model of ecological green mining for sustainable development of mines.

The invention discloses a television picture processing method and related device based on MEMC technology, and the method comprises the steps: converting a television audio and video signal into video sequence frame data when a smart television receives the television audio and video signal; performing calculation processing on motion vectors of the moving targets in two adjacent video frames in the video sequence frame data based on an MEMC technology to obtain motion vector data of the moving targets; based on the motion vector data of the moving target, starting an intelligent frame insertion algorithm to perform frame insertion processing on the video sequence frame data to form video sequence frame data after frame insertion; performing light and shade contrast enhancement processing on each piece of video sequence frame data in the video sequence frame data after frame insertion to form enhanced video sequence frame data; and loading the enhanced video frame sequence data to the smart television for playing control. According to the embodiment of the invention, the motion blur and smear phenomena of the moving target during television playing are reduced, and meanwhile, higher detail colors are achieved.

The embodiment of the invention belongs to the display technology, and provides a display device and an overdrive method, and the method comprises the steps: determining a color difference value between a target object in a first image and a target object in a second image; the target object is a dynamic object in the first image and the second image; the first image is a currently displayed image, and the second image is a next frame image to be displayed; determining a target overdrive value according to the color difference value; the target overdrive value is used for adjusting the drive voltage of the corresponding pixel when the image is displayed; and when the second image is displayed, adjusting a driving voltage of a pixel corresponding to the second image according to the target overdrive value. The smear phenomenon can be avoided in the display process, and therefore the display effect is improved.