14results about How to "Avoid smearing" patented technology

The invention relates to the field of metal nano material preparation, and discloses a supersonic gas atomization preparation method of high-dispersity spherical nano aluminum powder, which comprises the following steps: establishing a constant-temperature aluminum melt flow, and constructing a supersonic gas-solid two-phase atomization jet flow; nitrogen with the temperature lower than the melting point of the particles is used for carrying flow, solid zinc stearate particles are carried and accelerated to supersonic speed, and the aluminum melt flow is impacted; solid rigid momentum of the particles penetrates through an aluminum liquid interface to enter liquid drops, thermal relaxation time difference is used for inducing the particles to generate phase change decomposition in the liquid drops, the liquid drops are broken from the inside through volume expansion, and a carbon-zinc composite isolation layer is formed in situ through decomposition products. And high-efficiency nanocrystallization crushing under low energy consumption is realized.

The invention relates to a millimeter-wave-based local amplification display device and a control method, and the method comprises the steps: obtaining three-dimensional point cloud data of a human head through the scanning of a millimeter-wave radar, extracting the contour features of the human head, calculating and generating a circular frame parameter matched with the contour of the human head, and carrying out the overlapping display of a circular frame on a display module according to the circular frame parameter. The circular frame is used for defining the boundary of the local amplification area; performing real-time image processing on the picture in the selected area of the circular frame through the FPGA chip; by applying the method, the aiming precision and the game winning rate can be improved, the global view field can be kept, the'tunnel view field 'effect can be avoided, meanwhile, self-adaptive personalized adaptation is carried out according to the shape of the head of each person, the comfort can be effectively improved, operation is convenient and fast, and fine adjustment is supported; in addition, the scheme is based on hardware-level real-time processing, low delay and high smoothness are achieved, and jamming or smear caused by processing delay is avoided; and the game fairness can be maintained through the non-intrusive design.

The invention discloses a liquid-electric extracorporeal shock wave lithotripter which comprises a bed body, a notch is formed in the middle of the bed body, a control base is fixedly connected to the inner bottom end of the notch, an ultrasonic probe is arranged on the front side of the control base, a water bag is arranged on the rear side of the ultrasonic probe, rectangular notches are formed in the top ends of the left side and the right side of the notch in the middle of the bed body, and a cleaning mechanism is arranged at the top end of the water bag. The cleaning mechanism comprises a storage box, an air supply device is fixedly connected to the bottom end of the storage box, an automatic telescopic batten is arranged in the storage box, a supporting pipe row is fixedly connected to the side, away from the storage box, of the automatic telescopic batten, an air suction cylinder is arranged at the bottom end of the supporting pipe row, and a traction ring is rotationally connected to the bottom end of the air suction cylinder. The invention relates to the technical field of medical treatment, and has the characteristics that the practicability is high, a coupling agent on the surface of a water bag can be automatically cleaned, and the water bag cannot be damaged.

The application discloses a preparation method of an ultra-high voltage AC / DC unequal-diameter cable soft joint, mainly including two core steps of inner semi-conductive shielding layer recovery and main insulation layer recovery. In the inner semi-conductive shielding layer recovery process, the conductor connection area is first wrapped with a shielding tape, and then is heated and shaped by using an inner shielding variable-diameter mold; the transition slope of the inner cavity of the mold is accurately matched with the transition slope of the conductor welding part, so that the interface contact characteristics are optimized and effective strength compensation is realized. In the main insulation layer recovery process, the extrusion crosslinking process is accurately divided into four stages of starting and filling, transition and forming, stable production, ending and deceleration, and the extrusion speed, heating temperature and mold pressure of each stage are controlled accurately in sections. The smooth filling, uniform coating and dense forming of the insulation material in the variable-diameter mold cavity are ensured, and the thermal degradation and structure defects of the material are effectively inhibited.

The application discloses a conductive grid and a preparation method thereof, a transparent flexible circuit board and electronic equipment, and relates to the technical field of electronic devices, wherein the preparation method of the conductive grid comprises the following steps: covering a dry film on the surface of a conductor, exposing the dry film, removing part of the dry film through a developing agent, leaving a preset dry film grid corresponding to a preformed conductive grid, performing a first etching process on the exposed area of the conductor, wherein the vertical etching speed is less than the lateral etching speed, so as to form the conductive grid, and after removing the preset dry film grid, performing a micro-etching treatment on the conductive grid through a second etching process; wherein the cross section of the line body of the conductive grid obtained through the first etching process is in a trapezoidal shape, and the cross section of the line body of the conductive grid obtained through the second etching process is in a rectangular shape. The technical scheme provided by the application can prepare a conductive grid which is relatively thick and thin.

This utility model relates to a microscopic observation device for soil particles in shaking table tests, belonging to the technical field of civil engineering experimental equipment. It includes a vibrating base that supports the entire device and provides controlled vibration power; a fully transparent model box is mounted on the vibrating base to hold the soil particle sample to be observed, and the bottom layer of the fully transparent model box has symmetrically arranged wave-absorbing sponge layers on its left and right sides; a miniature camera assembly is mounted on the vibrating base, vibrating synchronously with the fully transparent model box; the miniature camera assembly includes a camera with high-speed continuous shooting capability, and the frame rate of the miniature camera assembly is not less than 300fps; a horizontal electric guide rail is mounted on the vibrating base; and a vertical electric lifting column is mounted on the horizontal electric guide rail. This utility model effectively eliminates the relative displacement problem caused by the asynchronous movement of the camera equipment and the model box in shaking table tests.

The invention discloses a thin-layer chromatographic analysis method for detecting radiochemical purity of a gallium chloride [68Ga] solution, and belongs to the field of chemical analysis. According to the method, iTLC-SG thin-layer chromatographic paper is used as a stationary phase, sodium acetate solution-methanol is used as a mobile phase, the radiochemical purity of a gallium chloride [68Ga] solution, a system adaptive solution and a gallium chloride [68Ga] and system adaptive solution is detected by thin-layer chromatography, and the influence of different mobile phases on detection results is investigated. According to the method provided by the invention, the radioactive chemical purity of the gallium chloride [68Ga] solution can be accurately and quickly detected by optimizing the conditions of the stationary phase and the mobile phase, the gallium chloride [68Ga] solution can present symmetrical and sharp chromatographic peaks, the accuracy and reliability of the detection result are ensured, the whole analysis process only needs several minutes from sample application to scanning completion, and the detection result is accurate and reliable. And the high requirement of the transient half-life period of the gallium-68 nuclide on the analysis speed is met.

The invention discloses a human epidermal growth factor temperature-sensitive sustained-release gel as well as a preparation method and application thereof, and belongs to the technical field of biological pharmacy. The preparation method of the human epidermal growth factor temperature-sensitive sustained-release gel comprises the following steps: S1, adding poloxamer and a thickening agent into purified water, and uniformly mixing to form a gel matrix; s2, respectively preparing a human epidermal growth factor solution and a chitosan-sodium tripolyphosphate colloid, and adding the human epidermal growth factor solution into the chitosan-sodium tripolyphosphate colloid for adsorption to obtain the chitosan-sodium tripolyphosphate colloid loaded with the human epidermal growth factor; s3, adding the chitosan-sodium tripolyphosphate colloid loaded with the human epidermal growth factors, a humectant and a stabilizer into the gel matrix, and adjusting the pH value. The gel can realize stable loading and controllable slow release of the human epidermal growth factor, so that the administration frequency and repeated administration operation are reduced, and the gel has important application value in treatment of refractory wounds.

The invention discloses a novel electrowetting display panel and a display device thereof. The display panel comprises a substrate, a supporting structure arranged on the substrate and a pixel electrode formed on the supporting structure. The supporting structure is provided with a slope surface, so that the working surface of the pixel electrode covering the supporting structure presents a corresponding inclined or arched geometrical morphology, and the inclination angle of the slope surface is preferably 10-30 degrees. The support structure can be formed by photoresist through halftone mask exposure, development and hot reflux processes. The preparation method comprises the steps of forming the supporting structure with the slope surface, and sequentially forming the pixel electrode and the hydrophobic insulating layer on the supporting structure. Effective directional guiding force is provided for ink shrinkage through the slope electrode structure, and rapid and complete resetting of ink can be realized under low driving voltage, so that the response speed and the contrast ratio of the display panel are remarkably improved, the power consumption is reduced, and the key problem that the electrowetting display performance of a traditional planar electrode is limited is solved.

This utility model discloses a plywood gluing device, belonging to the field of plywood production technology. The device includes a glue tank, an adjusting plate, and a sealing plate. A glue outlet groove is formed on the bottom wall of the glue tank; two sets of adjusting plates are slidably arranged within the glue tank; two sets of sealing plates are also slidably arranged within the glue tank, symmetrically positioned on both sides of the adjusting plate, and perpendicular to the adjusting plate; it also includes detachably mounted glue dispensing rollers and coating rollers, configured to be raised and lowered relative to the glue outlet groove, with the glue dispensing roller rotating within the glue outlet groove in the raised state. The dimensions of the glue dispensing rollers and coating rollers are adapted to the dimensions of the glue outlet channel, and the coating roller is located below the glue dispensing roller and in rotatable contact with it. This utility model specifically provides a plywood gluing device that can meet the gluing needs of plywood of different sizes.

The utility model relates to the field of 3D printing, and discloses a multicolor printing head for a 3D printer, which comprises a shell (1) and a printing nozzle (2) mounted on the shell (1), a consumable channel is arranged in the shell (1) and comprises a plurality of branch channels (3) and a main channel (4), the branch channels (3) are communicated with the main channel (4), and the main channel (4) is communicated with the shell (1). And the other end of the main channel (4) is connected with the printing nozzle (2) and conveys printing supplies to the printing nozzle (2). Through the design of multi-channel switching, each channel is independently connected with one color material, automatic switching of at most 12 colors is supported, single-nozzle output is matched, the structure of the printing head is simplified, complexity of a multi-nozzle scheme is avoided, and meanwhile printing precision is ensured; in addition, the cutter part can accurately cut off the current material, the problems of trailing and blocking are avoided, and the switching efficiency is improved.

The application provides a kind of animation style virtual person animation real-time generation method and system, comprising: extracting multidimensional style features from animation reference map, wherein multidimensional style features include line drawing features, color features, texture features and character form features;From real-time captured portrait video, extract portrait key point sequence and interactive object sequence, and generate dynamic semantic identity anchor point stream according to interactive object sequence;With portrait key point sequence as structural constraint condition, with multidimensional style features as global guidance, dynamic semantic identity anchor point stream is embedded into latent space as hidden variable constraint, and controlled diffusion reasoning is carried out in latent space, to obtain animation latent feature frame sequence;Three-dimensional causal decoding and time domain smoothing filtering are carried out on animation feature frame sequence, to obtain smooth animation frame sequence;Real-time style feedback and style correction are carried out on smooth animation frame sequence, to obtain virtual person animation.

The utility model discloses a color doppler ultrasound couplant smearing device convenient to use, which comprises a couplant soft bottle and a smearing head, the top of the couplant soft bottle is fixedly connected with a connecting pipe, the outer surface of the connecting pipe is fixedly connected with a fixed ring plate, the two ends of the top surface of the fixed ring plate are respectively provided with a positioning groove, and the two ends of the top surface of the fixed ring plate are respectively provided with a sliding groove. One side in the sliding groove is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with a sliding block, and the sliding block is connected with the sliding groove in a sliding mode. Through the arrangement of the smearing head, the sealing ring, the annular plate, the positioning rod, the clamping groove, the fixing annular plate, a positioning groove, a sliding groove, a spring, a sliding block, a clamping rod and the like, the smearing head can be installed and fixed through connection of the positioning rod and the positioning groove and connection of the clamping rod and the clamping groove, couplant smearing can be conducted, the smearing head can be detached after smearing is completed, and the smearing head is convenient to use. The smearing head is prevented from smearing different patients, and the use safety and sanitation are improved.

The application provides a display panel, a preparation method thereof, a display module and an electronic device. The display panel comprises adjacent first and second sub-pixel regions arranged along a first direction, a substrate and a planarization layer on the substrate. The planarization layer is provided with a first groove on a side away from the substrate along a second direction. The first groove is in a non-sub-pixel region. The display panel further comprises a first sub-pixel definition layer and a second sub-pixel definition layer. An inorganic isolation layer is arranged between the planarization layer and the first sub-pixel definition layer. A projection of the inorganic isolation layer along the second direction partially overlaps a bottom wall of the first groove. The display panel further comprises a second groove arranged on the first sub-pixel definition layer or the second sub-pixel definition layer. By arranging the first and second grooves between the first and second sub-pixel regions, the transverse crosstalk current in the charge generation layer can be reduced, the crosstalk resistance of the display panel can be improved, and the ghosting problem of the display panel can be improved.