44results about How to "Not easy to dry out" patented technology

The invention provides acid-proof ink for protecting one glass solution (OGS) touch screens and a preparation method thereof, relating to ink. The acid-proof ink comprises 1-8 parts of curing agent, 5-50 parts of resin, 10-80 parts of solvents, 1-5 parts of emulsifier and 5-30 parts of filler by mass. The preparation method comprises the following steps: mixing natural resin, synthetic resin and the solvents, adding the emulsifier and heating the materials until the natural resin and the synthetic resin are totally dissolved, thus obtaining a mixture; stirring the prepared mixture under normal temperature and discharging the material when the temperature is cooled to the room temperature, thus obtaining mixed emulsion; adding the curing agent to the prepared mixed emulsion, adding the filler after stirring the materials and grinding the mixture, thus obtaining the liquid acid-proof ink for protecting OGS touch screens. The acid-proof ink has the advantages and technical effects that the ink has smaller particles and denser film, so that the ink can not permeate even if being strengthened; the ink has high particle packing density and is 5-10mu m thinner than the printing thickness of common protective ink; the stability of viscosity of the ink in the printing process can be maintained and the ink does not become dry easily, has good printing effects and does not stick to screen printing plates.

The invention discloses a long-ageing reusable plating assistant agent for zinc-aluminum-magnesium alloy for hot dipping. The plating assistant agent is prepared from the following raw materials in percentage by weight: 25 percent to 35 percent of ZnCl2, 2 percent to 10 percent of KF, 5 percent to 15 percent of CaCl2, 4.5 percent to 8.5 percent of AgCl, 2 percent to 3.5 percent of alkali-free SP binary compound flooding dispersing agent, 0.1 percent to 0.5 percent of compound surface active agent and the balance water. Through a reasonable formula of the plating assistant agent, a zinc-aluminum-magnesium alloy coating is obtained on the surface of a steel and iron material substrate by utilizing hot dipping; the coating and the steel and iron material substrate separately keep original performance; the coating is compact in structure and free of skip plating, and zinc-aluminum-magnesium ternary eutectic with excellent corrosion resistance can be formed. The plating assistant agent is low in cost, can be easily produced industrially, and can be widely suitable for hot dipping long-ageing reusable zinc-aluminum-magnesium alloy plating solution of which the Al content is 5 percent to 22 percent and the Mg content is 2 percent to 6 percent.

The invention discloses a preparation method of bombax ceiba three-dimensional dried flowers. The preparation method comprises following steps: (1), pretreatment, wherein fresh bombax ceiba flowers are immersed in a color retention agent so as to maintain original color and quality of bombax ceiba flowers in subsequent drying processes, and the color retention agent is a mixture of citric acid and glycerin; (2) embedding, wherein gaps of the bombax ceiba flowers processed via step (1) are filled with degreasing cotton, the whole bombax ceiba flowers are coated with degreasing cotton, and the obtained bombax ceiba flowers are coated with granular silica gel; (3) drying, wherein vacuum freeze drying or refrigerator freeze drying are used to dry the coated bombax ceiba flowers so as to remove water in the bombax ceiba flowers; and (4), the granular silica gel and the degreasing cotton are removed so as to obtain the bombax ceiba three-dimensional dried flowers. The preparation method is used for preparing the bombax ceiba three-dimensional dried flowers; original shape, color, texture, softness, and straight shape of the bombax ceiba flowers are basically maintained; the bombax ceiba three-dimensional dried flowers can be further made into bombax ceiba three-dimensional dried flower souvenirs in forms of single flower, flowering branch, or other forms; and supply of the bombax ceiba flowers all year round becomes possible.

The invention discloses low-residue high-storage stability low-temperature tin paste for aluminium and a preparation method thereof. The tin paste for the aluminium consists of paste flux and tin-based brazing material alloy powder. The tin paste is prepared from the following raw materials in percentage by mass: 8.0 to 24.0 percent of the paste flux and the balance of the tin-based brazing material alloy powder, wherein the paste flux comprises the following components in percentage by mass: 4.0 to 10.0 percent of hydroxyl amine, 0.4 to 1.0 percent of metal active salt, 2.0 to 6.0 percent of a co-solvent, 1.2 to 3.0 percent of metal halate, 0.2 to 1.0 percent of a thixotropic agent, and 0.2 to 3.0 percent of a brazing material coating agent. When the paste flux is prepared, the metal halate is dispersed into the paste flux in a low-temperature solid form through high-speed shearing. The prepared paste flux has the advantages of low residue, high storage stability and the like after soldering, and can be applied to the situation of low-temperature soft brazing of the aluminium and an aluminium alloy, and is particularly suitable for reflow soldering of electronic assembly aluminium and aluminium alloy materials.

The invention provides a multilayer fluidized bed. The multilayer fluidized bed comprises a shell and a first porous baffle in the shell, wherein the first porous baffle divides the inner chamber of the shell into a first chamber at the upper part and a second chamber at the lower part, a charging port is formed in the porous baffle, a feed baffle is arranged at the charging port, an air inlet is formed below the second chamber, a second porous baffle is arranged between the air inlet and the second chamber, the second chamber is provided with a discharge outlet, the position of the discharge outlet is higher than the position of the second porous baffle, the first chamber is provided with a feed inlet and an air outlet is formed in the upper part of the first chamber. The multilayer fluidized bed provided by the invention has the advantages that since the multilayer chambers are provided and materials are in a boiling state, the materials are not apt to dry and harden; since countercurrent heat and moisture exchange conditions are provided, the utilization ratio of dry and hot air is greatly improved and the energy utilization ratio is improved.

The invention relates to the technical field of health-care products, in particular to a preparation method of fish oil soft capsules. According to the preparation method disclosed by the invention, glyceride components in unsaturated fatty acid in salmon livers are extracted under mild condition by an enzyme catalysis method, lipase hydrolyzes saturate fatty acid and low unsaturated fatty acid onglyceride of fish oil firstly, hydroxyls are exposed, and then an ester bond synthesis reaction is generated with free EPA and free DHA, so that enriched EPA and enriched DHA are obtained, and the problems of polymerization, oxidation, conjugation, transformation and the like of polyunsaturated fatty acids caused by high temperature are solved; saturated fatty acids in ethyl ester fish oil are removed in a urea adduction manner in the process; and vacuum deodorization is adopted, fishy smell in the fish oil is removed, the palatability is improved, the preparation method is safe, and hazardous substances are not generated.

The invention provides a plant mineral nutritional relieving skincare mud and relates to the field of daily use cosmetics. The mud comprises the following components in parts by weight: 1-10 parts of montmorillonite, 5-15 parts of glycerinum, 20-25 parts of propylene glycol, 1-10 parts of mineral oil, 5-10 parts of cetostearyl alcohol, 10-20 parts of olive oil PEG-7 ester, 10-20 parts of polydimethylsiloxane, 1-10 parts of glyceryl stearate, 5-15 parts of PEG-100 stearate, 30-40 parts of polysorbate, 50-70 parts of nicotinamide, 0-40 parts of sorbitan stearate, 30-60 parts of xanthan gum, 10-60 parts of witch hazel extract, 20-70 parts of centella extract, 50-70 parts of chamomile extract, 1-15 parts of dipotassium glycyrrhizinate, 0-20 parts of hyaluronic acid, 30-50 parts of beta-glucan, 60-80 parts of allantoin, 50-90 parts of aluminum magnesium silicate, 60-80 parts of pentanediol, 20-30 parts of hydroxyphenylpropylamide benzoic acid, 1-10 parts of essence and 20-30 parts of EDTA disodium. The plant mineral nutritional relieving skincare mud has excellent fineness and lubricity of mineral mud; a mask formed by the mud is less prone to dryness and has excellent moisturizing effect; the plant mineral nutritional relieving skincare mud is popular with most users and is capable of bringing much convenience to the users.

The invention discloses a straw mushroom planting insect-pest-resistant cultivate base material and a preparation method thereof. The straw mushroom planting insect-pest-resistant cultivate base material is prepared from the following raw materials in parts by weight: zanthoxylum wood leaves, other plant tissue fresh feed, an aqueous solution of petroleum ether with concentration of 80% to 90%, beta-cyclodextrin, 60 parts to 100 parts of rice straws, crab shell meal, sheep manure, bentonite, firedamp-dissolved residue, feather meal, ground phosphate rock, eggshells, zeolite particles, cotton seed hulls, a enzyme agent and a right volume of water. By carrying out sealing fermentation aging on an organic matter, carbohydrate-grade plant growth promoting ingredients in the organic matter can be improved, utilization efficiency of the materials is improved; the materials are difficult to rapidly convert into useful nutrients at ordinary times, and the added rice straws are of a structural skeleton structure, so that layering of the cultivate base material is improved, and the cultivate base material is difficult to dry up; meanwhile, contained plant essential oil volatile substance components can effectively avoid insect pests and reduce threat of rot.

The invention provides a giant salamander moon cake and a manufacturing method thereof. The giant salamander moon cake comprises a crust and fillings. The fillings are prepared by the following raw materials, by weight, 120-160 parts of flour, 50-80 parts of walnuts, 40-50 parts of melon seeds, 40-50 parts of coconut, 20-30 parts of pine nuts, 80-100 parts of lotus seed paste, 100-150 parts of giant salamander meat, 40-60 parts of giant salamander oil, 2-3 parts of salt, 80-120 parts of moon cake syrup and 80-120 parts of clear water. The manufacturing method for the fillings includes the steps of blending the walnuts, the melon seeds, the coconut, the pine nuts, the lotus seed paste, the giant salamander meat, the salt and the moon cake syrup, adding the giant salamander oil and the clear water, evenly stirring the mixtures, spreading the mixtures on an operating platform, sprinkling the flour, and then carrying out even stirring. Giant salamanders are adopted as the main ingredient through special process and formula to manufacture the giant salamander moon cake. The giant salamander moon cake is smooth and clean in appearance, fragrant and fleshy in taste, fatty but not greasy, not prone to desiccation and deterioration, and capable of effectively supplementing various types of unsaturated fatty acid needed by human bodies if people often eat, and plays a good assisting function in enhancing immunity and improving memory.

The invention discloses high-performance halogen-free and lead-free soldering paste and a preparation method thereof. The halogen-free and lead-free soldering paste comprises, by mass percent, 80-90%of tin base alloy powder, 2-5% of hydroxy acid metal salt, 1-2% of acid alkyl phosphates, 0.2-1% of (1-hydroxyethylene) diphosphonic acid, 0.5-1.5% of polyaniline, 0.1-0.5% of amine antioxidants, 0.5-2% of rheological additives, 2-4% of film formers and 3-8% of hydrotropic agents. The soldering paste has high activity, low corrosivity and a few residues, the common problems such as periphery blackening after welding, too many tin beads and too many residues of current low temperature lead-free soldering paste can be well solved, the defective rate of printing is greatly reduced, and the reliability of welding is improved.

The invention relates to a writing ink, in particular to an environment-friendly erasable and revisable ink which is suitable for the culture and education product production industry. The ink is prepared from the following raw materials in parts by weight: 15-35 parts of calcium chloride, 1-5 parts of agar, 2-8 parts of acid blue, 1-5 parts of soluble starch and 95-115 parts of water. Compared with the traditional writing ink, the environment-friendly erasable and revisable ink can be arbitrarily erased by common erasers after writing, is free from time limit, has the advantages of fluent written form, no ink drop, no blocking, no toxicity, no pollution and fluent writing, ensures that a pen point is difficult to become dry and is suitable for handwriting needing no long-term storage.

The invention discloses a pen tongue structure which comprises a pen tip, a pen tongue and a pen way, wherein the pen tongue is stuck to one lateral surface of the pen tip, and the pen tongue and thepen tip are respectively fixedly arranged in the pen way; the pen tongue structure also comprises a containing groove and a water absorption body, wherein the containing groove is arranged at the partwhere the pen tip is stuck to the pen tongue, and the water absorption body is arranged in the containing groove. The pen tongue structure can effectively prevent the problem that the pen tip is dryand hard when being exposed outside, and has simple structure, convenient operation and low cost.

The invention discloses a high-performance halogen-free lead-free solder paste and a preparation method thereof. The halogen-free lead-free solder paste includes the following components in mass percentage: 80-90% of tin-based alloy powder, 2-5% of metal salt of hydroxy acid, 1-2% of acidic alkyl phosphate, hydroxyethylene 0.2-1% of diphosphonic acid, 0.5-1.5% of polyaniline, 0.1-0.5% of amine antioxidant, 0.5-2% of rheological additive, 2-4% of film forming agent and 3-8% of cosolvent. The solder paste of the present invention has high activity, low corrosiveness, and less residue, which can well solve the common problems of current low-temperature lead-free solder paste such as blackening of the periphery after soldering, a large number of tin beads, and a large number of residues, and can greatly reduce Reduce the defective rate of printing and improve the reliability of welding.

The invention relates to an automatic glue brushing and supplying device used in the shoe-making process, which aims to solve the technical problems existing in the prior art such as serious pollution, easy drying of glue, frequent replacement and uneven application. In order to solve the above-mentioned technical problems, the present invention includes a closed air storage tank, which is also equipped with a rubber storage tank. The tank body of the gas storage tank is connected with an air inlet pipe, and the tank body of the rubber storage tank is connected with a glue outlet pipe. The other end of the hose, the other end of the glue hose is connected with a brush for brushing glue. Because the present invention adopts the above-mentioned structure, the glue storage tank is closed, which can effectively prevent the volatilization of the glue, reduce environmental pollution and harm to the human body, and make the glue not easy to dry, reducing the cost; in addition, due to the glue storage Under the pressure of the gas in the gas storage tank, the glue in the tank can evenly flow from the glue hose to the brush, without manual dipping of glue, which improves the work efficiency, and the glue is evenly applied and bonded firmly.

The invention discloses an external medicine for treating tinea unguium. The raw materials for preparing the external medicine for treating tinea unguium comprise acetic acid, impatiens balsamina, benzoate, sal-ammoniae, calomelas, sticky rice flour and salicylic acid. A preparation method of the external medicine comprises the following steps of: respectively grinding the impatiens balsamina, the benzoate, the sal-ammoniae, the calomelas, the sticky rice flour and the salicylic acid into fine powder which can pass a screen with 80-150 meshes, evenly mixing all the raw materials which are ground into the fine powder, adding 50% acetic acid to the evenly mixed raw materials and stirring evenly, and sealing up the evenly stirred mixture to obtain the external medicine for treating tinea unguium. The external medicine for treating tinea unguium has advantages of proportional and durable efficacy, good curative effects, low treatment cost and no toxic or side effects.

The invention relates to a solid dairy product and a preparation method thereof in the field of food. The water content of the solid dairy product is 8 wt%-10 wt%; and the water activity of the solid dairy product ranges from 0.520 AW to 0.570 AW. The solid dairy product comprises the following components in parts by weight: 20-50 parts of milk powder, 15-20 parts of trehalose, 6-10 parts of anhydrous cream, 5-30 parts of dextrin, 5-30 parts of starch and 0.5-2 parts of a stabilizer. In the raw materials of the formula of the solid dairy product, the trehalose has a water-retaining property, so that the prepared low-moisture solid dairy product has a very good water-retaining effect, and the product is not easy to dry and harden within the shelf life, and the product is kept soft and moist; the stabilizer can reduce the water activity in the product, and the product is not prone to browning within the shelf life; and with use of the stabilizer, the product has a good oil-water emulsification effect, and the product has no grease precipitation phenomenon during compression molding and in the later period of the shelf life.

The invention discloses water- soluble stoving varnish suitable for craft glass products. The components of the ingredients of the water- soluble stoving varnish comprise, by weight, 28%-35% of water- soluble acrylic resin, 6%-9% of water-soluble methylated amino resin, 3%-5% of silicon dioxide flatting agent, 5%-8% of superfine magnesium powder, 10%-14% of Butyl cellosolve, 15%-20% of absolute ethyl alcohol, 13%-17% of water, 0.2%-0.5% of self-emulsifying modified polyacrylate, 0.2%-0.5% of fluorocarbon modified polyacrylate, 0.2%-0.5% of modified polysiloxane and 2%-6% dimethylethanolamine. The invention further discloses a preparation method of the water-soluble stoving varnish. Usage of organic solvent can be greatly reduced in a coating construction process of the water-soluble stoving varnish, and the water-soluble stoving varnish is environment-friendly and good in performance.

The invention provides a partial-immersion rotary disc filter tank used for deep treatment of sewage and reuse of reclaimed water. The partial-immersion rotary disc filter tank comprises a water inletchannel, a water inlet weir, filter discs and a water outlet channel; the water inlet channel, the water inlet weir, the filter discs and the water outlet channel are sequentially arranged accordingto the flow direction of water; a water inlet electric rotary regulating weir gate is arranged on the water inlet weir; the water inlet channel is connected with the filter discs; the surface of eachfilter disc is covered with a fiber filter cloth; the middle part of the filter discs is connected with a clear water channel; a water outlet weir is arranged between the clear water channel and the water outlet channel; and a water outlet electric rotary adjusting weir gate is arranged on the water outlet weir. The invention also provides the beneficial effects of the partial-immersion rotary disc filter tank. According to the invention, the filter cloths woven by using hydrophilic modified fibers are adopted as a filter medium, the filtering depth of the filter medium is large, the pollutantcarrying capacity is strong, and the surface is not easily dried and hardened. The partial-immersion rotary disc filter tank breaks through the limitation of the operation modes of common fiber rotary disc filters in the market and can be operated with partial immersion, and the immersion depth can be adjusted. The hydraulic loss is saved by 1 / 3-1 / 2, and the energy consumption is low.

The invention discloses a long-ageing reusable plating assistant agent for zinc-aluminum-magnesium alloy for hot dipping. The plating assistant agent is prepared from the following raw materials in percentage by weight: 25 percent to 35 percent of ZnCl2, 2 percent to 10 percent of KF, 5 percent to 15 percent of CaCl2, 4.5 percent to 8.5 percent of AgCl, 2 percent to 3.5 percent of alkali-free SP binary compound flooding dispersing agent, 0.1 percent to 0.5 percent of compound surface active agent and the balance water. Through a reasonable formula of the plating assistant agent, a zinc-aluminum-magnesium alloy coating is obtained on the surface of a steel and iron material substrate by utilizing hot dipping; the coating and the steel and iron material substrate separately keep original performance; the coating is compact in structure and free of skip plating, and zinc-aluminum-magnesium ternary eutectic with excellent corrosion resistance can be formed. The plating assistant agent is low in cost, can be easily produced industrially, and can be widely suitable for hot dipping long-ageing reusable zinc-aluminum-magnesium alloy plating solution of which the Al content is 5 percent to 22 percent and the Mg content is 2 percent to 6 percent.

The flying paint attachment preventing system comprises a paint spraying equipment body and an adjusting mechanism, the adjusting mechanism comprises a bottom pipe, a connecting part and a positioning part, the outer surface of the paint spraying equipment body is slidably sleeved with the bottom pipe, the connecting part comprises a connecting pipe, and the outer surface of the bottom pipe is slidably sleeved with the connecting pipe; the outer surface of the connecting pipe is slidably sleeved with a connecting ring, and one end of the connecting ring is in threaded connection with an adjusting ring. According to the paint spraying device, when the paint spraying device is used, the outer surface of the paint spraying device body is effectively sleeved with the bottom pipe, then the positioning ring can effectively move and extrude the pressing block by rotating the positioning ring, then the pressing block can effectively press the linkage rod downwards, and then the linkage rod can effectively press the positioning block downwards; under the limitation of the positioning position, the equipment can be stably arranged on the outer surface of the paint spraying equipment body in a sleeving mode, then the adjusting ring is rotated according to the actual spraying requirement, and then the adjusting ring can push the connecting ring.

The invention discloses a monitoring system for intelligently guiding highland energy development. The system comprises an upper computer management system, middle computer change-over units, a plurality of equipment temperature collecting unit and a plurality of temperature measuring sensor units; the upper computer management system is arranged in a monitoring center and is mainly responsible for monitoring and managing overall operation and controlling the lower computers; the middle computer change-over units are used for storing and forwarding commands and data and performing logic judgment on the flowing direction of data streams; the equipment temperature acquisition units are used for completing the acquisition of the temperature values of equipment and sending out acquired parameters values; and the temperature measuring sensor units are used for measuring the temperature data of the equipment. According to the monitoring system of the invention, wireless computer data acquisition is realized, and therefore, the monitoring system has the advantages of short arranged wires, few nodes, little possibility of being subjected to interference, high precision and no need for frequent maintenance, and can assist in saving manpower and materials; direct measurement is realized through wireless temperature sensors, and therefore, the precision and reliability of measurement can be realized, and the insulation problem of a control line and high-voltage components in a primary loop can be solved.

The invention provides an intelligent outdoor exercise down jacket. The intelligent outdoor exercise down jacket comprises a down jacket body, wherein the down jacket body comprises a clothes body andsleeves, the clothes body comprises outer layer clothes and inner layer clothes, a storage cavity is formed between the outer layer clothes and the inner layer clothes, the storage cavity is internally provided with a miniature circulating pump, and a ventilation pipe is arranged on the miniature circulating pump; the inner layer clothes are provided with a waterproof layer, a breathable layer and a down filling layer sequentially from outside to inside, the breathable layer and the down filling layer are internally provided with carbon fiber heating filaments, the carbon fiber heating filaments are externally provided with a heat-resisting resin coating, and the heat-resisting resin coating is externally provided with a fire-retardant coating. The intelligent outdoor exercise down jackethas the advantages that the structure is designed reasonably, the heat preservation effect can be achieved, and the intelligent outdoor exercise down jacket has a certain promotion and application value.

The invention belongs to the field of food, and particularly discloses a preparation process of steamed stuffed bun skin, which comprises the following steps of: (1) preparing raw materials; (2) heating water; (3) putting flour into a flour mixing device and melting yeast and white granulated sugar with water for later use; (4) adding the melted yeast and white granulated sugar into the flour anduniformly mixing to prepare a semi-finished product; (5) putting egg white and salt into the semi-finished product and adding water for kneading; (6) standing the dough obtained in the step (5) in anenvironment with the temperature of 28-38 DEG C for 0.5-1 hour; (7) cutting: kneading the dough in the step (6) into strips and then cutting into a plurality of small pieces of dough; (8) rolling thesmall pieces of dough. The steamed stuffed bun skin prepared by the method is fluffy and soft, the steamed stuffed bun skin is prevented from being dried, and the overall taste of the steamed stuffedbun is improved.

The invention discloses flux paste for hard brazing and a preparation method of the flux paste. The flux paste is formed by brazing flux and finished paste according to the mass ratio being 1:1-1.5:1.The brazing flux comprises boric acid, potassium tetrafluoroborate and anhydrous potassium fluoride. The boric acid accounts for 30%-50% of the total mass of the brazing flux, the potassium tetrafluoroborate accounts for 10%-30% of the total mass of the brazing flux, and the anhydrous potassium fluoride accounts for 25%-45% of the total mass of the brazing flux. In the finished paste, a surface active agent accounts for 0.5%-10% of the mass of the finished paste, a cosurfactant accounts for 0.25%-7.5% of the mass of the finished paste, a carbon residue free polymer accounts for 7.5%-17.5% ofthe mass of the finished paste, and an organic solvent accounts for 65%-92.5% of the mass of the finished paste. The flux paste has the beneficial effects that high storage stability and excellent welding performance are achieved, carbon residues are low after welding, and layering is not prone to happening after brazing filler metal is mixed.

The application relates to a green building wall, comprising a base wall, the base wall is provided with an external frame, the external frame is provided with a green exterior wall panel, the green exterior wall panel is provided with a planting groove, and the bottom wall of the plantation groove is provided with an oblique partition board, the green exterior wall panel is provided with a water storage chamber, the base wall is provided with a water supply pipe, the inner wall of the water storage chamber is provided with a float valve, and the inner wall of the communication channel is provided with a filter core. The green exterior wall panel is provided with a grid plate, the grid plate is provided with a grid hole, the inner wall of the grid hole is provided with a water expansion ring, the green exterior wall panel is provided with an embedding groove, and the green exterior wall panel is provided with a splicing groove, sliding The inner wall of the sliding hole slides and is provided with a slide bar, and the green wall panel is provided with a driving mechanism. The driving mechanism includes a worm, a worm wheel, and a threaded rod. By setting inclined partitions, water storage chambers, and connecting pipes, the green building wall can stably supply water to the plants on itself, so that the plants are not easy to wither due to water shortage; by setting grid plates and water expansion rings, rain can be reduced , the amount of water entering the planting area.

The invention discloses spraying and drying equipment for pencil processing. The spraying and drying equipment comprises a machine body, wherein a bottom plate is arranged at the lower end of the machine body; universal wheels are arranged at four corners of the lower end of the bottom plate; a paint box is arranged on one side of the upper end of the bottom plate; a motor is arranged on one side of the paint box; a fan is arranged on the side, far away from the paint box, of the motor; a paint collecting plate is arranged on one side of the upper end of the motor and one side of the upper end of the fan; a drying device is arranged on one side of the paint collecting plate; a conveying device is arranged at the upper end of the drying device; a spraying device is arranged on the side, close to the paint box, of the upper end of the conveying device; an extraction pump is fixedly connected to one side of the upper end of the spraying device; a control machine is arranged on the side, far away from the extraction pump, of the upper end of the spraying device; a fan heater is arranged on the side, far away from the extraction pump, of the control machine; and an air purification device is arranged on the side, far away from the control machine, of the fan heater. According to the spraying and drying equipment for pencil processing, the spraying device, the fan heater and the paint collecting plate are arranged, so that the purposes of improving the spraying efficiency and the drying efficiency and improving the paint utilization rate during use can be achieved.

The invention discloses an external medicine for treating tinea unguium. The raw materials for preparing the external medicine for treating tinea unguium comprise acetic acid, impatiens balsamina, benzoate, sal-ammoniae, calomelas, sticky rice flour and salicylic acid. A preparation method of the external medicine comprises the following steps of: respectively grinding the impatiens balsamina, the benzoate, the sal-ammoniae, the calomelas, the sticky rice flour and the salicylic acid into fine powder which can pass a screen with 80-150 meshes, evenly mixing all the raw materials which are ground into the fine powder, adding 50% acetic acid to the evenly mixed raw materials and stirring evenly, and sealing up the evenly stirred mixture to obtain the external medicine for treating tinea unguium. The external medicine for treating tinea unguium has advantages of proportional and durable efficacy, good curative effects, low treatment cost and no toxic or side effects.

The invention relates to a Bt protein in-vitro insect resistance identification method which comprises the following steps: connecting a Bt gene to a protocaryon expression vector pET-28B; transferring the protocaryon expression vector containing the Bt gene into colibacillus BL21; inducing to express the Bt protein; extracting the induction-expressed Bt protein; mixing the Bt protein into an Ostrinia nubilalis larva artificial feed, and feeding Ostrinia nubilalis larvae; and after several days, making statistics on the mortality and growth conditions of the Ostrinia nubilalis larvae. The method is simple and quick to operate, is not restricted by time and seasons, has the advantage of low economic cost, and can be used for quickly carrying out Bt protein insect resistance identification.

The invention provides a columnar packaging structure for ultra-fine cigarettes. The columnar packaging structure comprises a barrel body and a cover body. Cigarettes with the diameter phi being 0.53-0.55 mm and the length being 74-110 mm are placed in the barrel body, and the cover body covers the barrel body. The joint between the barrel body and the cover body is sealed. After the cigarettes are placed into the barrel body, the barrel body is covered with the cover body; due to the fact that the barrel body is sealed, the sealing effect is good, the cigarettes will not go bad or be dried after being stored for a long time, and the quality of the cigarettes is not affected; the columnar packaging structure can be used repeatedly and has the extremely high social and economical value.