48results about How to "Keep out moisture" patented technology

The invention discloses a method of transplanting a camphor tree. The technical solution thereof has the following key points: the method comprises the process of preparation before transplanting, digging the seedlings, trimming before transplanting, seedling transportation, digging planting holes, sterilization and insecticidal treatment on the planting holes, transplanting, management after transplanting, and spraying of mixed thiophanate and deltamethrin in one week after the transplanting. A straw rope can maintain sufficient water of the seedlings in the seedling digging process, thereby avoiding the problem of dry roots due to lack of water in the transportation process; the seedlings can be protected well, and then the survival rate after transplanting is high.

The invention discloses a fracture-resistance copper and aluminum transition plate which includes a copper end plate (1). The copper end plate (1) is fixedly connected with an aluminum end plate (2). The transition plate is characterized in that the connection position of copper end plate (1) and the aluminum end plate (2) is provided with an anticorrosion pipe (3) which employs a heat shrink pipe or a chilling shrink pipe. Fixing connection holes (4) are arranged in both of the copper end plate (1) and the aluminum end plate (2). A bar-shaped aluminum plate (5) is connected with the copper end plate (1) and the aluminum plate (2) by bolts (6) through the fixing connection holes (4). An insulating layer (7) is arranged between the bar-shaped aluminum plate (5) and the copper end plate (1). The thickness of the insulating layer (7) is identical with the thickness of the anticorrosion pipe (3). The fracture-resistance copper and aluminum transition plate is simple and effective in structure, capable of preventing electrochemical corrosion and preventing fatigue fracture at the joint position of the copper and aluminum transition plate and long in service life.

The invention discloses a high scattering super-hydrophobic quantum dot film and a preparation method thereof. The high scattering super-hydrophobic quantum dot film is a composite structure film formed by combining an upper super-hydrophobic particle layer (1), an upper taper hole layer (2), a quantum dot layer (3), a lower taper hole layer (4) and a lower super-hydrophobic particle layer (5) in sequence from top to bottom. The upper super hydrophobic particle layer (1) and the lower super-hydrophobic particle layer (5) are both formed by uniformly arranging nanoscale particles with two different particle sizes, and the particles are subjected to surface hydrophobic modification and therefore have a super-hydrophobic property; both the upper taper hole layer (2) and the lower taper hole layer (4) contain a smooth optical surface and an optical surface on which taper hole microstructures are uniformly distributed; the quantum dot layer (3) is a quantum dot and silica gel mixed layer. The high scattering super-hydrophobic quantum dot film has the function of improving the scattering property and the super-hydrophobic property, and at the same time, the service life of the quantum dot film is prolonged.

The invention discloses a low temperature water-soluble pesticide packaging film and a preparation method thereof, and relates to the technical field of water-soluble packaging films. The low temperature water-soluble pesticide packaging film is prepared from, by weight, 25-30 parts of modified polyvinylalcohol resin, 4-8 parts of chitosan oligosaccharide, 4-8 parts of polyoxyethylene, 3-6 parts of pregelatinized potato starch, 3-6 parts of maltodextrin, 3-6 parts of activated clay, 2-4 parts of glutinous rice flour, 2-4 parts of poloxamer, 2-4 parts of polyethylene glycol 6000, 1-2 parts of N-methyl-2-pyrrolidinone, 1-2 parts of polyhydroxyalkanoate, 1-2 parts of cetanol, 0.5-1 part of triethylbenzylammonium chloride, 0.5-1 part of tea seed powder, 0.5-1 part of sodium hexametaphosphate, 0.2-0.5 part of polyaspartic acid and 100-150 parts of water. The packaging film is good in water solubility and can be dissolved into cold water under the temperature of 0-5 DEG C; the dissolved substances and pesticide are applied together, enter soil after rain washing, and can be biologically degraded completely within 12 months.

The invention discloses a potato germination inhibitor. The inhibitor is prepared from raw materials in parts by weight as follows: 1-50 parts of a loss control regulator, 1-300 parts of modified silicone oil and 650-998 parts of water, wherein the loss control regulator is prepared from aminated attapulgite and micro-nano biosilicon/carbon through mixing in the mass ratio being (3-5):(1-2). The invention further discloses a preparation method of the potato germination inhibitor. The potato germination inhibitor and the preparation method thereof have the advantages as follows: (1) the preparation method is simple, convenient to operate and low in cost and allows mass production; (2) the nanocomposite prepared from attapulgite, modified silicone oil and other materials is sprayed on potatoes, a netted nano protection layer can be formed through self-assembly, moisture is isolated effectively, the germination rate is reduced, and the storage time of the potatoes is prolonged; the product is natural, green, environment-friendly and safe, has no side effects and can reduce the germination rate of the potatoes by 80%-95% and effectively guarantee the yield and quality stability of the potatoes.

The invention discloses a preparation method of super-hydrophobic preservative treated wood, which comprises the following steps: (1) dissolving cupric acetate monohydrate in water, adding glucose andPVP under a gentle heating stirring condition, continually stirring to form a reaction solution, (2) adding the reaction solution in the step (1) into a closed container, placing a wood matrix into the reaction solution in the closed container, performing heating and soaking, taking out the wood matrix, performing immersion cleaning using deionized water, drying the wood matrix to form a reservewood matrix, (3) hydrolyzing triethoxyvinylsilane to form a hydrolysis system, and (4) soaking the reserve wood matrix in the hydrolysis system, and obtaining the super-hydrophobic preservative treated wood after drying. A super-hydrophobic coating is combined with Cu2O nano particles; the presence of the super-hydrophobic coating facilitates the long-lasting effect of the Cu2O nano particles; andthe super-hydrophobic coating and the Cu2O nano particles have a synergistic effect, so that the super-hydrophobic preservative treated wood has better anti-corrosion and antibacterial effects for alonger and more lasting time.

The invention discloses a treatment method of nut grains and a special compound thickening agent thereof. The treatment method comprises the following steps of firstly, adding nut grains into a wormwood and chrysanthemum seasoning bag and tea polyphenol to achieve the purposes of preventing worm damage and resisting oxidation, adding edible salt and calcium chloride to inhibit water absorption and softening of the nut grains, and then adding a colloidal solution (special compound thickening agent) prepared from gellan gum and sodium alginate to form a transparent colloidal layer on the outer layer of the nut grains to isolate air and water, so that oxidation and mildewing are further avoided; and finally, after the nut grains are subjected to freeze drying and microwave baking, forming a core-shell structure, wherein the inner shell of the core-shell structure is a dense transparent colloidal layer on the outer surface of the nut grains. According to the nut treatment method, the shelf life of the nut grains is prolonged, the chewiness and bursting feeling of the nut grains are improved, and the treatment method is suitable for almost all the nut grains.

The invention discloses an on-site joint coating installation method used for a polyurethane spraying outer protective pipe spraying integrally-formed heat preservation pipe. Hot-melt welding of a traditional joint coating plate and hot-melt welding of an outer protective pipe of an elastic sealing contraction band cannot improve the connecting quality, consequently, problems that foaming at a pipeline joint is uneven, and the heat preservation effect is low are causes, welding of the outer protective pipe is not firm, water seepage occurs, and pipeline heat energy loss and medium temperaturedrop are caused. The method comprises the following composition of a steel pipe A (4), the joint coating end faces of the steel pipe A (4) and a steel pipe B (2) are fixed through welding, a polyurethane foaming agent is uniformly sprayed on the exposed steel pipe A and the exposed steel pipe B at 360 degrees, after polyurethane is cured for 10 minutes-30 minutes, a polyurethane heat preservationlayer is formed, a polymer liquid elastic material is uniformly sprayed on the 360-degree surface of the polyurethane heat preservation layer by adopting a high-pressure liquid spray gun, the sprayingthickness is 1mm-20mm, the surface forming time after spraying is shorter than 60 seconds, the curing forming time is within 1 hours-24 hours, and the outer protective pipe is made of the polymer liquid elastic material. The invention relates to the on-site joint coating installation method used for the polyurethane spraying outer protective pipe spraying integrally-formed heat preservation pipe.

The invention discloses a hemostatic and detumescent band-aid comprising liquid ingredients and traditional Chinese medicine ingredients. The traditional Chinese medicine ingredients are ground to form powder, and then the powder is stirred and mixed with the liquid ingredients to produce the finished product. The hemostatic and detumescent band-aid has the beneficial effects that the band-aid hasthe functions of rapid stopping bleeding and relieving swelling and pain; bletilla striata has the hemostatic function; with addition of other components, the components have the anti-inflammation effect; the raw materials are reliable and safe; after the raw materials are applied onto skin, the liquid band-aid can quickly form a soft and smooth film not easy to fall off, effectively isolates moisture, dust, dirt and bacteria, and protects a wound from infection and accelerates wound healing.

The invention relates to the technical field of printing and in particular to a multilayer printing process and a pigment used for the process. High-brightness resin and wafers, which have different components, are added into the pigment used for the multilayer printing process and are treated through procedures of carrying out cutting, extruding a convex-concave pattern, printing an image-text layer, printing a color-developing particle thin film, carrying out gold stamping, covering with a polyethylene thin film and carrying out detection; a prepared finished product has a multilayer anti-counterfeiting pattern layer so that a consumer can conveniently carry out one-line anti-counterfeiting recognition; and the pigment provided by the invention has long storage time and the anti-counterfeiting cost is easy to reduce.

The invention discloses a silicon-based induced active liquid dressing and a preparation method thereof, and belongs to the technical field of medical dressing. The silicon-based induced active liquiddressing includes bioactive glass, a film forming material, a pore forming agent, an antibacterial agent, a lubricant and an organic solvent. The silicon-based induced active liquid dressing is characterized in that the film forming material is one or more of cellulose nitrate, polyacrylic acid resin I, polyacrylic acid resin II and polyacrylic acid resin III; the pore forming agent is one or more of polyethylene glycol 400, polyethylene glycol 600 and polyethylene glycol 1000; the lubricant is one or more of a polyaspartic acid aqueous solution, a polyglutamic acid aqueous solution and a sodium polyaspartate solution; the antibacterial agent is one of nano silver, benzyl alcohol and benzalkonium chloride; the organic solvent is a mixture of butyl acetate and ethanol. The prepared silicon-based induced active liquid dressing has good mechanical properties and can also provide a moist environment needed for wound surface healing.

The invention provides an LED packaging structure and a manufacturing method thereof, and relates to the technical field of LEDs. The LED packaging structure comprises a bracket which comprises a bracket bowl cup and a conductive substrate, wherein the bracket bowl cup is fixed on the conductive substrate; an LED chip which is fixed on the conductive substrate and is arranged in the bracket bowl cup; a wire which is arranged in the bracket bowl cup, so that the LED chip is electrically connected with the conductive substrate; and fluorescent glue which is filled in the bracket bowl cup. The fluorescent glue comprises a silica gel layer and a light conversion layer, the light conversion layer coats the LED chip, and the silica gel layer coats the outer surface of the light conversion layer, so that the light conversion layer is isolated from the external environment; the fluorescent glue is prepared from yellow-green fluorescent powder, fluoride fluorescent powder, silicon resin and a diluent; and the particle size D50 of the yellow fluorescent powder is 20-30 [mu] m, and the particle size D50 of the fluoride fluorescent powder is 20-40 [mu] m. The LED packaging structure is not prone to blackening and failure, and the packaging brightness can be guaranteed.

The invention discloses a surface-modified pretreatment fire-resistant anchoring brick and a preparation process thereof. Nowadays, generally in order to prolong the service life of a furnace lining,it is usually needed to ensure that all the properties of the anchoring brick should be consistent with the texture of a lining material, but during actual operation, the anchoring brick and the lining material are generally prepared from two different materials based on cost and the needs of actual production, and thus in the high-temperature or furnace cooling process, the situation that due toinconsistent expansion and shrinkage between the anchoring brick and the lining material, local stress asymmetry is caused, and therefore the anchoring brick cracks is caused. Aiming at the problem, the surface-modified pretreatment fire-resistant anchoring brick and the preparation method thereof are designed, and the surface of the anchoring brick is coated with a modified coating. The surface-modified pretreatment fire-resistant anchoring brick is reasonable in process design, the stress between an anchoring brick body and the lining material can be effectively buffered, and the anchoring brick is prevented from cracking; and meanwhile the structural strength of the anchoring brick body is improved, and high practicality is improved.

The invention discloses an insulation protection device of a flexible cable intermediate quick joint. The insulation protection device comprises a first shell, a second shell, a first side cover and asecond side cover, has a buckling structure, is simple to install, can be repeatedly used, has vertical and tough physical properties, and prevents a cable from being damaged by external force. According to the invention, by using a composite material, the device is good in insulativity, corrosion resistance and waterproofness, can be soaked in water for a long time, and does not change in appearance and waterproofness due to moisture; the device is high in fireproof performance, and can effectively prevent generated shock waves and flames when a combustion accident occurs in the cable intermediate joint so as to avoid secondary disasters; the cable seat made of silicone rubber is good in temperature resistance so as to prevent the insulation capability reduction caused by heating high temperature of the cable intermediate joint; and the interphase and relative ground discharge gaps can be adjusted according to specific requirements, the interphase and relative ground insulation strength is improved, and relative ground discharge and interphase short circuit caused by insufficient insulation strength are prevented.