17results about How to "Good masking effect" patented technology

The invention provides a water-based anti-corrosion and wear-resistant coating and a preparation method thereof.The preparation method includes the steps that modified MXene nanosheets and water-based epoxy resin emulsion are evenly mixed, and premixed emulsion is obtained; sequentially adding polytetrafluoroethylene powder, titanium dioxide, aluminum oxide, a base material wetting agent, a dispersing agent, a defoaming agent, a surface adhesion promoter, deionized water and a curing agent into the premixed emulsion under a stirring condition, and uniformly mixing to obtain the water-based anticorrosive wear-resistant coating. According to the water-based anti-corrosion and wear-resistant coating disclosed by the invention, the polytetrafluoroethylene and the modified MXene nanosheet are added into the coating, so that the anti-corrosion performance of the water-based coating is improved, the wear resistance of the water-based coating is also improved, and the defect that the existing water-based coating is slightly insufficient in anti-corrosion and wear-resistant performance is overcome.

The utility model discloses a pedal lock catch type folding fence, which relates to the field of fences and comprises at least one group of middle units, hinges are arranged on two sides of each group of middle units, and a plurality of groups of middle units are hinged through the hinges. The two sets of side edge units are located on the two sides of the folding fence correspondingly, and one side of each set of side edge unit is hinged to the middle unit through a hinge; the moving assembly is arranged at the bottoms of the middle unit and the side units; and the pedal assemblies are installed on the moving assemblies of the side edge units in a lifting mode and used for selectively blocking the lower edges of the side edge units, so that the side edge units and the middle unit are limited between the two pedal assemblies after being folded. The portable folding tent has the advantages of being fast to store and convenient to move, and is convenient to temporarily shield and use.

A forming method of a semiconductor structure comprises the following steps: providing a substrate; forming a first dielectric layer on the substrate; forming a first stop layer on the first dielectric layer, wherein a first opening is formed in the first stop layer; forming a second dielectric layer on the first dielectric layer and the first stop layer; forming a mask structure on the second dielectric layer, wherein the mask structure is internally provided with a second opening; the second dielectric layer is etched with the second opening as a mask, a first groove is formed in the second dielectric layer, and a part of the surface of the first stop layer is exposed out of the first groove; the first dielectric layer is etched with the first groove and the first stop layer as masks, a second groove is formed in the first dielectric layer, the second groove is communicated with the first groove, the second groove is exposed out of the surface of the substrate, and the projection range of the second groove on the substrate is located in the projection range of the first groove on the substrate; and forming a metal structure in the first groove and the second groove. The performance of the semiconductor structure formed by the method is improved.

This application provides a water-based anti-corrosion and wear-resistant coating and its preparation method. The preparation method includes uniformly mixing modified MXene nanosheets with a water-based epoxy resin emulsion to obtain a premixed emulsion; under stirring conditions, adding polytetrafluoroethylene powder, titanium dioxide, alumina, a substrate wetting agent, a dispersant, a defoamer, a surface adhesion promoter, deionized water, and a curing agent sequentially to the premixed emulsion, and mixing uniformly to obtain the water-based anti-corrosion and wear-resistant coating. The water-based anti-corrosion and wear-resistant coating of this application, by adding polytetrafluoroethylene and modified MXene nanosheets, improves both the anti-corrosion performance and wear resistance of the water-based coating, overcoming the slight deficiency in anti-corrosion and wear resistance of existing water-based coatings.

A cross-dipole radiating element includes a feed shank having a base and a distal end positioned forward of the base; a first dipole radiator mounted at the distal end of the feed handle, the first dipole radiator comprising a first dipole arm and a second dipole arm; and a second dipole radiator mounted at the distal end of the feed handle, the second dipole radiator comprising a third dipole arm and a fourth dipole arm. The feed shank includes a first ground line, a first signal trace at least partially overlapping the first ground line, and a transmission line segment extending from the first ground line and / or the first signal trace, and the transmission line segment includes a transmission line signal trace shorted to a ground conductor of the transmission line segment.

The invention discloses a novel titanium-free shading soft capsule and a preparation method thereof, and belongs to the technical field of medicines and health foods. The capsule wall material of the soft capsule comprises 35-45% of gelatin, 15-23% of glycerin, 30-40% of purified water, 3-5% of composite calcium carbonate, 0.5-0.7% of an emulsifier and 0-2% of a pigment. Wherein the composite calcium carbonate is composed of light calcium carbonate and heavy calcium carbonate. According to the soft capsule disclosed by the invention, the light calcium carbonate and the heavy calcium carbonate are compounded, and the emulsifier polyglycerol fatty acid ester in a specific proportion is matched, so that the shading effect and the stability which are equivalent to those of titanium dioxide are realized, and the potential risk of titanium dioxide on the environment and human health is reduced. Meanwhile, the production process is simplified, large-scale production is facilitated, and a safe, healthy and environment-friendly shading solution is provided.

The utility model relates to the technical field of liquid crystal display, in particular to a high-contrast Mini-LED backlight module which comprises a Mini-LED lamp panel, a reflecting cover is arranged on the Mini-LED lamp panel, an injection molding diffusion plate is arranged right above the reflecting cover, and the Mini-LED lamp panel is arranged on the injection molding diffusion plate. A first light condensation structure in the X direction and a second light condensation structure in the Y direction are arranged on the face, close to the reflection cover, of the injection molding diffusion plate, and a third light condensation structure is formed at the joint of the first light condensation structure and the second light condensation structure. According to the backlight module, through the special condensation structure design at the position, corresponding to the ridge of the reflecting cover, of the injection-molded diffusion plate, light rays which are transmitted into adjacent partitions at a large angle are blocked, the light rays are emitted above the ridge of the reflecting cover, display halo is optimized, and the backlight module with the ultrahigh contrast ratio is obtained. And meanwhile, latticed display light and dark stripes caused by the ridge structures are eliminated, and the reflecting cover structure is effectively shielded, so that the design requirements of the reflecting cover structure are reduced, the process is simplified, the cost is optimized, and the requirements of more products and users are met.

The invention provides an automatic light changing welding eyeshade, and relates to the technical field of protective appliances, the automatic light changing welding eyeshade comprises a mask and a buckle belt fixed on the mask, the mask is provided with an eyeshade, the eyeshade is provided with a light changing liquid crystal, and the side edge of the mask is provided with a controller used for adjusting the color of the light changing liquid crystal. The controller is used for controlling the color displayed by the light-changing liquid crystal display, the shading and shielding effects are good, meanwhile, the whole welding eyeshade can be conveniently worn on the head of a user through the buckle belt, the user does not need to continuously hold the welding eyeshade in the using process, and a view blind area is avoided.

A high-efficiency coating masking fixture for new energy battery trays is disclosed. The fixture is a vertically suspended, groove-shaped main body with an opening on one side and a fixed back plate on the other side. The bottom of the fixture is a fixed base, and the two sides of the fixture are hinged to movable side masking parts, while the top of the fixture is hinged to a movable top masking part. This utility model embeds and fixes the battery tray into the groove-shaped inner cavity of the fixture, which is vertically suspended below the coating production chain for coating the bottom of the inner cavity of the battery tray. The fixture has the advantages of good masking effect, convenient opening and closing, reduced production costs, reduced waste, and is environmentally friendly.

The present invention relates to a needle-hidden double-blind experimental device for evaluating the efficacy of acupuncture, the device comprising a base and a needle tube vertically arranged at the center thereof; characterized in that the needle tube is composed of an outer sleeve and an inner sleeve inserted therein, and the inner wall of the outer sleeve is gap-matched with the outer wall of the inner sleeve; a permanent magnetic ring is provided on the head cover of the outer sleeve, and the upper end surfaces of the two are flush; a magnetic conductive metal wire is provided inside or on the inner wall of the inner sleeve along the length direction, and the two ends are flush; the attraction between the permanent magnetic ring and the magnetic conductive metal wire enables the inner sleeve to stay at any position of the outer sleeve, and test needles of different lengths can be hidden in the needle tube. This device not only allows placebo needles and treatment needles to be shared, but also has a good shielding effect and convenient needle insertion operation.

The invention provides an earth surface vegetation generation method and device, electronic equipment and a storage medium, and relates to the technical field of image processing. The method comprises the following steps: acquiring a terrain height map, and determining azimuth information corresponding to each pixel region in the terrain height map; vegetation key information is extracted according to a natural language input by a user; and according to the vegetation key information and the azimuth information corresponding to each pixel region in the terrain height map, generating and displaying vegetation in the terrain height map. According to the method, the user only needs to input related information of the vegetation to be generated in a natural language mode, and then customized setting of the generated vegetation can be achieved according to the thought of the user. Wherein the generation position, the vegetation type, the vegetation density and other information of the to-be-generated vegetation can be extracted through the natural language, so that the shape, the density and other information of the generated vegetation can be controlled, and the flexibility and the authenticity of the generated vegetation are higher.

The invention discloses a gantry type glue spraying device and a glue spraying process thereof, comprising a glue spraying device and a base frame, wherein the base frame is arranged below the glue spraying device and straddles a conveying device, the base frame is located directly above the conveying device and penetrates a glue spraying area, a shielding tool is arranged in the glue spraying area, two groups of shielding tool are symmetrically arranged, the two groups of shielding tool are fixedly connected by a long plate, glue cleaning areas are symmetrically arranged on both sides of the glue spraying area inside the base frame, a driving component is arranged on the base frame for driving the long plate to slide back and forth on the base frame and making the two groups of shielding tool take turns to be located in the glue spraying area, a cleaning component for cleaning colloid on the shielding tool is arranged in the glue cleaning area, when one group of shielding tool is located in the glue spraying area, the other group of shielding tool is located in the glue cleaning area and the cleaning component is used to clean the glue, and the invention slides two groups of shielding tool on the base frame, and shielding and glue cleaning work can be alternately performed by the two groups of shielding tool, thereby ensuring the continuity of the battery box glue spraying operation and improving the operation efficiency.

The invention belongs to the technical field of thin film sensors, and relates to a high-temperature thin film thermocouple and a preparation method thereof.The high-temperature thin film thermocouple comprises a ceramic substrate, a bonding layer, a sensitive thin film functional layer and an aluminum oxide protective layer which are sequentially arranged from bottom to top, and electrode layers are arranged on the two sides of a wiring end in the sensitive thin film functional layer; the electrode layer is located between the bonding layer or the ceramic substrate and the aluminum oxide protection layer, the electrode layer comprises a GaOx layer printed at normal temperature and an ultrathin layer Au prepared through deposition, and the ultrathin layer Au is arranged above the GaOx layer. The oxidation layer printed on the ceramic substrate or the bonding layer can improve the adhesion of gold, so that the metal-modified electrode layer has excellent conductivity, thermal stability and mechanical stability, and the thickness of the aluminum oxide monolayer arranged on the electrode layer is controlled to be nanoscale, so that the conductivity of the electrode is not influenced, and the conductivity of the electrode is improved. And oxidation of a transition region of the sensitive film functional layer and the electrode layer under a high-temperature condition is effectively inhibited.

The present invention relates to a shielded transformer high-voltage protective cover, belonging to the field of power equipment. The present invention comprises an upper shielding cover and a lower shielding cover, wherein the upper shielding cover is mounted on the lower shielding cover, the upper shielding cover comprises a rubber patch, an upper baffle and an upper transparent cover, the lower shielding cover comprises a lower baffle and a lower transparent cover, the rubber patch and the upper baffle are both mounted on the upper transparent cover, the lower baffle is mounted on the lower transparent cover, a claw is provided on the lower transparent cover, the upper transparent cover is mounted on the lower transparent cover, a rotating shaft is provided on the upper transparent cover, an axial hole is provided on the lower transparent cover, the rotating shaft is installed in the axial hole, an adjusting groove is provided on the upper transparent cover, an adjusting boss is provided on the lower transparent cover, the adjusting boss is located in the adjusting groove, the number of the adjusting grooves is multiple, and the adjusting boss is located in any one of the adjusting grooves.

The utility model discloses an anti-bleeding hot melt adhesive label which comprises a hot melt adhesive label body, the hot melt adhesive label body comprises a nylon hot melt adhesive layer, the top of the nylon hot melt adhesive layer is coated with a PE layer, and the top of the PE layer is provided with a high-density HDPE layer. The high-density HDPE layer comprises a bottom coating layer, a character layer and a gloss oil layer, and the bottom coating layer, the character layer and the gloss oil layer are sequentially arranged from bottom to top. According to the hot melt adhesive label, the high-density HDPE layer which is soft and good in attaching performance is combined with the nylon hot melt adhesive layer which is high in polarity, and meanwhile the PE layer is combined, so that the obtained hot melt adhesive label can be used as a label material of the sun shield, is good in flatness attaching performance and shielding performance, has the functions of preventing color bleeding and glue overflowing, can be widely applied to various attached objects, and can be widely applied to various attached objects. And use requirements are met.

The present application relates to the field of coating technology, and particularly relates to a continuous radiation curing zinc-aluminum-magnesium alloy coating and application. The continuous radiation curing zinc-aluminum-magnesium alloy coating comprises the following components in parts by weight: zinc-aluminum-magnesium alloy powder 5-18 parts; silicon-carbon resin 10-55 parts; acrylate compound 18-55 parts; nano material 2-15 parts; high-temperature-resistant color powder 1-35 parts; photosensitizer 2-6 parts; and auxiliary agent 0.5-2.5 parts. The continuous radiation curing zinc-aluminum-magnesium alloy coating of the present application does not contain harmful solvents, and combines hot-dip plating process and fingerprint-resistant process, thereby saving about 30% of energy consumption in the comprehensive cost of the traditional hot-dip plating process; the ratio of zinc, aluminum and magnesium in the zinc-aluminum-magnesium alloy powder is not limited, and the upper limit of the ratio of aluminum and magnesium can be broken, and the excellent electrochemical corrosion resistance of the zinc-aluminum-magnesium ternary alloy and the good adhesion and shielding performance of the corrosion product are combined.