703results about How to "Improve insect repellent effect" patented technology

The invention relates to an environment-friendly light heat-insulating material for fireproof doors and buildings, and a manufacturing method thereof. The manufacturing method is characterized by comprising the following steps of: pretreating plant hollow core bodies and / or flexible porous fillers by using a water glass adhesive; mixing with inorganic fire-resistant hollow particles; and performing mould pressing, shaping and drying to obtain the environment-friendly light heat-insulating material. The hollow core bodies and the flexible porous fillers are arranged multidirectionally; one layer of water glass adhesive is arranged at least on the surfaces of the hollow core bodies and the flexible porous fillers; and discontinuous holes are reserved between the hollow core bodies and / or the flexible porous fillers and the inorganic fire-resistant hollow particles. Preferably, the hollow core bodies are rice husks and straw sections; and the flexible porous fillers are foam and fibers. Renewable plant resources and recovered foam and fiber waste are adopted, so the environment-friendly light heat-insulating material is energy-saving and environment-friendly; and a large number of sealed holes are formed among the material particles through the penetration and coating of the modified water glass adhesive, and a heat-insulating hydrophobic corrosion-resistant multi-effect protective layer is provided, so the environment-friendly light heat-insulating material has good fireproof, heat-insulating and heat-preserving effects, high weather resistance, combined rigidity and toughness, low density and low cost.

The invention discloses an organic fertilizer produced by comprehensively utilizing straw, and a preparation method for the organic fertilizer, and relates to the technical field of agricultural fertilizers. The organic fertilizer is prepared from composted straw, 34 to 44 parts of rice hulls, 20 to 30 parts of composted animal dung, 10 to 15 parts of potassium chloride, 10 to 15 parts of humic acid, 0.4 to 0.6 part of medium and trace elements, 0.4 to 0.6 part of microorganism, 10 to 15 parts of calcium superphosphate and 5 to 10 parts of ammonium chloride through mixing and granulating. The organic fertilizer has the characteristics of low production cost, high bioactivity, high fertilizer efficiency, wide sources of raw materials and the like, can serve as a fertilizer for rice and a fertilizer for dry crops, vegetables, melons, fruits and fruit trees, and also can serve as a fertilizer for flowers.

The invention relates to a tobacco leaf stack sealing storage method capable of adjusting storage environment, comprising the following steps: 1) building a tobacco leaf stack sealing space capable of adjusting storage environment: covering the warehoused tobacco leaf stack using a plastic seal tent and enclosing the tobacco leaf stack in the sealed space; the sealed space enclosed by the plastic seal tent is perform air flow commutation with the outside when an air input control joint and an air output control joint are turned on and the sealed space enclosed by the plastic seal tent is at full sealed state when the air input control joint and the air output control joint are turned off; 2) gassing to disinfect; 3) filtering and purifying the steamed and disinfected noxious gas; 4) performing the daily tobacco-leaf mould proof conservation; 5) in winter, starting the plastic seal tent to perform the winder general investigation and natural ventilation and conservation of the tobacco leaf and restoring the plastic seal tent until the next early spring. The sealing storage method has low cost and environmental protection.

The invention provides an intelligent pest situation monitoring method and an intelligent pest situation monitoring device, and relates to the technical field of pest situation monitoring. The intelligent pest situation monitoring method includes the steps of capturing pests, collecting pest images, transmitting the pest images, processing the pest images and establishing a pest warning model. Thepests are captured by traps, the pest bodies are photographed by cameras to obtain pest body images, the pest body images are transferred to an image processing module of a pest situation observationand prediction device for identification, statistics and analysis. The intelligent pest situation monitoring method can accurately grasp the species, number and growth status of the pests, can effectively cope with and control the pests, has a high degree of automation and a high degree of intelligence, integrates pest monitoring and controlling into one, and has a good pest control effect. The invention also provides the intelligent pest situation monitoring device. The device comprises a box, the cameras, an electric brush, a controller, the image processing module and the traps, the monitoring is timely and effective, and the identification result is accurate.

A pest-combating composition including sodium lauryl sulfate and one or more of C6-12 fatty acids, preferably lauric and / or capric and / or caprylic acid, soy methyl ester, and 2-undecanone, and methods of combating pests utilizing same, are disclosed. The compositions can include a carrier oil such as silicon oil, soy methyl ester, or a vegetable oil, and can be in the form of an emulsion. The composition may be constituted as a spray composition, an aerosol, a lotion, a paste, or another compositional form. Pests that may be usefully combated with such composition include flying insects, including flies, mosquitoes, and wasps, ants, including arthropods such as fire ants, ticks, fleas, cockroaches, silver fish, thrips, gnats, aphids, Japanese beetles, and agricultural and horticultural arthropods and insects including beetles (potato and bean), flea beetles, fleahoppers, squash bugs, slugs, leaf hoppers, harlequin bugs, milk weed bugs, spiders, mites, lice, rodents, and deer.

The invention relates to a biogenic composite pork preservative. The biogenic composite pork preservative comprises 4.0-4.8% of a bacterial depressant, 10-14% of a synergist, 27-33% of Chinese herbal medicine extract A, 16-20% of Chinese herbal medicine extract B and the balance water. The bacterial depressant contains nisin, natamycin, lysozyme, chitosan and propolis supercritical CO2 extract. The synergist contains acetic acid, vitamin C, vitamin E and sodium lactate. The Chinese herbal medicine extract A is prepared through extracting grape seeds, garlic, clove, cassia bark, rosemary, pepper and ginger through an ethanol extraction method and then blending the extract products, Origanum vulgare L. essential oil and tea crude extract. The Chinese herbal medicine extract B is prepared through water extraction of konjak, Chinese honeylocust fruits, rheum officinale and pomegranate peel. The biogenic composite pork preservative has a reasonable formula, is safe for eating, can be prepared by simple processes, is convenient for operation in use and has good fresh-keeping effects.

A light wave type insect repellent device is set up in an area where various crops are grown and comprises a plurality of lamps each having a plurality of light emitting elements and a power source, each lamp comprises a socket with a flash IC, each of the light emitting elements is connected to the flash IC by a power cable and generates yellow and orange flash light, each socket is covered with a cover which is provided with a plurality of through holes through which each light emitting light is protruded out of the cover to generate light to repel harmful insects day and night.

The invention relates to an adhesive and the field of preparation of the adhesive, and in particular relates to a soybean glue and a preparation method thereof. The soybean is prepared from the following raw materials in parts by mass: 100 parts of water, 15-400 parts of soybean derivative, 3-8 parts of alkaline, 0.5-3 parts of silicate, 0.2-5 parts of modifying agent, 0.3-2.5 parts of curing agent, 0.1-4 parts of acid, 0.1-20 parts of water-based acrylic resin, 0.1-1.5 parts of insect-resist agent and 1-10 parts of filler. The soybean glue prepared in the invention has high adhesive strength and low formaldehyde emission and further has mould-proof, corrosion-proof, mothproof and waterproof functions.

The invention provides an insect-repelling antibacterial fabric manufacture process. The manufacture process comprises the following steps: (a) preparing functional yarns: (b) dyeing, fixing color, and washing with water; (c) sizing; (d) waving; (e) desizing, washing with water and oven-drying; (f) soaking in an insect-repelling solution; (g) drying; and (h) shaping. The insect-repelling antibacterial fabric manufacture process disclosed by the invention is reasonable, and the manufactured fabric has a good sterilizing and insect-repelling effect to prevent bites of insects, such as mosquitoes, flies, fleas and bedbugs. In addition, the fabric has the advantages of high resistance to abrasion and wash, long service life, no adverse effects to a human body due to the adoption of natural materials and wide application market.

A pest-combating composition including sodium lauryl sulfate and one or more of C6-12 fatty acids, preferably lauric and / or capric and / or caprylic acid, soy methyl ester, and 2-undecanone, and methods of combating pests utilizing same, are disclosed. The compositions can include a carrier oil such as silicon oil, soy methyl ester, or a vegetable oil, and can be in the form of an emulsion. The composition may be constituted as a spray composition, an aerosol, a lotion, a paste, or another compositional form. Pests that may be usefully combated with such composition include flying insects, including flies, mosquitoes, and wasps, ants, including arthropods such as fire ants, ticks, fleas, cockroaches, silver fish, thrips, gnats, aphids, Japanese beetles, and agricultural and horticultural arthropods and insects including beetles (potato and bean), flea beetles, fleahoppers, squash bugs, slugs, leaf hoppers, harlequin bugs, milk weed bugs, spiders, mites, lice, rodents, and deer.

The invention discloses a fungus insecticide fertilizer relating to the technical field of pesticides and fertilizers. The fungus insecticide fertilizer comprises the following components: 0.05-1 percent of injurious insect pathogenic fungi, 5-90 percent of organic nutritional ingredients, 0-5 percent of trace chemical pesticides and 10-80 percent of fillers. The fungus insecticide fertilizer can be widely applied to prevention and control of soil insects of vegetables, peanuts, soybeans, potatoes, wheat, corn and other crops, and has a certain prevention effect to nematode. The fungus insecticide fertilizer is used for preventing and controlling agricultural insects, has the advantages of safety, environmental friendliness, no residue, wide control spectrum, strong target property and strong regeneration continuity, has the functions of fertilizing and improving the soil structure, and is an ideal product for solving the problem of chemical pesticide residue and developing the environment-protection agriculture.

The invention relates to a fruit-vegetable enzyme and a preparation method. The fruit-vegetable enzyme is prepared by using fruit, vegetables, sugar and water as main raw materials for fermentation, the fruit include apple, banana, shaddock, shaddock peel and hawthorn, and the vegetables include potato, Chinese cabbage, garlic, onion and pepper. The fruit-vegetable enzyme can provide nutritional substances needed for paddy to grown and can play a role in inhibiting bacteria and expelling parasite. The invention further provides application of the fruit-vegetable enzyme in paddy cultivation and a method of using the enzyme to cultivate paddy. By the application and the method, consumption of chemical fertilizer and pesticide during paddy planting can be lowered. The invention further provides application of residue of the fruit-vegetable enzyme in improving paddy field soil. By the application, the paddy field soil can be improved remarkably.

The invention relates to a pollution-free method of combining entomopathogenic nematode and black sticky boards for controlling bradysia odoriphaga. During bradysia odoriphaga larval stage, a entomopathogenic nematode suspension liquid with a nematode concentration of 500-1000IJS / mL is applied, and the black sticky boards are suspended in the field for monitoring. When adult bradysia odoriphaga appears, a large number of black sticky boards are suspended, wherein the lower bottom edges of the boards are 0.5-1cm from the ground. 60-80 of the black sticky boards are suspended in each mu of field. According to the controlling method provided by the invention, biological control and physical control are combined. The colored boards are used for trapping and killing adult bradysia odoriphaga, such that pest cardinal number can be effectively reduced. Bradysia odoriphaga larva and adult controlling effects can be improved, and entomopathogenic nematode application amount can be reduced. Therefore, pollution-free, safe, and non-toxic controlling over bradysia odoriphaga pests can be realized.

The invention discloses a method for manufacturing an anti-insect and anti-mold oriented strand board with full eucalyptus leftover materials. The manufacturing method comprises the following steps of: preparing materials, drying, peeling and removing impurities, sorting and storing, respectively gluing on a surface core layer, hierarchically paving, in advance hot press molding, and sanding wood finishes; an isocyanate sawdust powder hybrid adhesive is coated on the surface, and an anti-insect and anti-mold composite urea-formaldehyde resin adhesive is coated on the core layer; wood shavings on the core layer are divided into three-layer structures, comprising intermediate layer of core layer, upper surface layer of core layer and lower surface layer of core layer; the intermediate layer of the core layer is paved longitudinally, and the upper surface layer of the core layer and the lower surface layer and surface layer of the core layer are paved horizontally. For the oriented strand board prepared by the method, the static bending intensity in a parallel direction is in a scope of 33-39 MPA, the parallel elasticity modulus is in the scope of 4614-4779 MPA, the vertical elasticity modulus is in the scope of 1504-1771 MPA, the thickness swelling rate of water absorption in 24 h is in the scope of 10%-17%, and the vertical nail-holding power reaches up to 89000N. In the manufacturing method, a problem that the board is easy to suffer from erosion of white ants and moths is thoroughly solved by adding an anti-insect and anti-mold additive, and the service life of the board is prolonged.

The invention discloses a nutrition-balanced protective agent of crops, which is generated mainly by raw materials in the following portions by weight: 0.5-2.5 portions of amino acid, 0.5-2.5 portions of potassium dihydrogen phosphate, 0.5-2.0 portions of carbamide, 1.5-3.0 portions of trace elements, 2-5 portions of lipid film and 200-1000 portions of water. In order to achieve much better effect, the protective agent of the invention is combined with disinsection and sterilization components such as avermectin or cypermethrin, etc., as well. The protective agent has balanced and comprehensive nutrition, high fertilizer effect, good protective property, safe application, low cost and convenient application; the invention has double effects of nutrition and protection and is easy to be absorbed by crops, and has unique effects especially on improving crop photosynthesis, strengthening crop stress resistance, guaranteeing blossoms to bear fruit, expanding fruit, improving the color, polish and plumpness of the fruit, improving quality, developing marketability, etc.

The invention relates to a photocatalystc composite floor board, and belongs to the field of a functional environment-friendly healthy floorboard. The formaldehyde emission content of the composite floorboard is less than 0.3mg / L; the antibacterial rate is higher than or equal to 90 percent; the surface wear-resistant coefficient is less than or equal to 0.08g / 100r; a substrate layer is an oriented shaving board layer; the oriented shaving board layer comprises an upper surface layer and a lower surface layer which are formed by glue mixing wood shavings in longitudinal arrangement according to the fiber direction and a core layer shaving layer formed by glue mixing wood shavings in transverse arrangement according to the fiber direction; and a decoration layer, a wear-resistant primer layer and a photocatalystc antibacterial paint decoration layer are sequentially arranged on the substrate layer. A production process of the photocatalystc composite floor board comprises the steps of shaving board layer sorting, glue preparation, glue distribution and assembling for the first time, cold pressing for the first time, core trimming, glue distribution and assembling for the second time, cold pressing for the second time, hot pressing for the first time, fixed-thickness sanding, edge cutting, puttying, polishing, sorting, reconditioning, glue distribution and veneering, cold pressing for the third time, hot pressing for the second time, multi-blade sawing, sanding, double-end milling, priming, finish paint preparing and finish paint painting. The composite floorboard has the advantages of good antibacterial function, high strength, good wear-resistant performance and comfortable foot feeling.

The invention discloses an agricultural corn planting device. An agent tank is arranged at the lower end of a driving shaft which is in rotational connection with the agent tank, the agent tank is fixedly connected with a device body, stirring blades are fixedly connected to the middle of the driving shaft, a worm is fixedly connected to the lower end of the driving shaft, the lower end of the worm is in bearing rotational connection with the bottom of the device body, and the surface of an intermittent agent discharging plate is provided with a through hole. The worm is meshed with a worm gear which is in rotational connection with the bottom of the device body, the front end of the worm gear is in roll connection with the right side of a first transmission belt, and the left side of thefirst transmission belt is in roll connection with the front end of a semicircular gear. By the intermittent agent discharging plate, the stirring blades and a retaining plate, simultaneous intermittent discharging of seeds and agents is realized, the corn seeds and the agents are intermittently discharged from a seed guide pipe and an agent guide pipe and fall into a mixing roller through holes in a rotating shaft, and the mixing roller is driven by a second roller wheel to rotate for mixing. The agricultural corn planting device is reasonable and practical in structural design, corn seedingefficiency is greatly improved, great insect prevention effects are achieved, and corn planting survival rate is increased.

The invention relates to the field of thin blockboard manufacturing, in particular to a thin blockboard and a manufacturing method of the thin blockboard. The thin blockboard comprises a China fir core board layer in the middle, poplar single board layers which are respectively spliced on the upper surface of the China fir core board layer and the lower surface of the China fir core board layer, and Okoume single board layers which are respectively spliced on the outer surfaces of the poplar single board layers. Adjacent board layers are spliced according to the perpendicular direction of wood texture, and modified soya bean glue is adopted to splice adjacent board layers. The solid thin blockboard has high splicing strength and is low in formaldehyde release amount, and at the same time, has the advantages of being mould-proof, corrosion-proof, insect-proof and water-proof.

The invention relates to a mouldproof and mothproof treatment method for wood. The mouldproof and mothproof treatment method comprises the following steps: (1) processing wood at 85-90 DE C for 3 hours under the condition that the relative humidity is 48%-50%; (2) fumigating the wood with a 35% acetate solution at 1-1.5MPa and 105 DEG C for 30-45 minutes; (3) preparing a treating fluid; (4) soaking the wood treated in the step (2) with the treating fluid at 35 DEG C for 2 hours; (5) treating the wood surface treated in the step (4) with quick lime; and (6) treating the wood processed in the step (5) at 78 DEG C for 3 hours under the condition that the relative humidity is 25%-38%. The mouldproof and mothproof treatment method for the wood provided by the invention is simple; heavy metal is not used in the treatment process; no components which pollute a human body or the environment are generated after treatment; pollution is avoided; meanwhile, the treatment time is shortened to a few hours; and the treatment efficiency is greatly improved.

The invention relates to a compound niclosamide parasite-expelling tablet used for pet. The compound niclosamide parasite-expelling tablet used for pet is characterized by comprising the following components according to the mass percent respectively: 68 to 80 of niclosamide, 3 to 5 of hydrochloric acid levamisole, 13 to 20 of starch, 0.1 to 1 of polyethylene glycol 4000 used for preparing aqueous ethanol solution, 3 to 6 of sodium carboxymethyl starch and 0.5 to 1 of magnesium stearate. In preparation, the niclosamide is weighed, the starch is added, and a mixture is prepared by mixing, pulverization and sieving; and the hydrochloric acid levamisole is dissolved in the aqueous ethanol solution, the polyethylene glycol 4000 is dissolved, then the aqueous ethanol solution is added into the mixture, a soft material is prepared, granulated by using a sieve and dried at 50 DEG C to 70 DEG C, the obtained dry particles are granulated by the sieve, the magnesium stearate and the sodium carboxymethyl starch are added, and the obtained mixture is evenly mixed and tabletted to obtain a product. The tablet has bright and clean appearance, rapid disintegration, good parasite-expelling effect after oral administration, simple technology and low cost, is feasible and is suitable for industrialized production, and each index of the tablet reaches optimization.

The present composition is capable of forming a particle film and comprises: (a) less than 99.65% by weight of at least one particle; (b) at least one volumizing agent selected from the group consisting of: (i) cellulose selected from the group consisting of ethyl hydroxy ethyl cellulose, hydroxy ethyl cellulose, hydroxy propyl cellulose, hydroxy ethyl methyl cellulose, hydroxy propyl methyl cellulose, methyl cellulose, ethyl cellulose, and ethyl methyl cellulose and present in an amount greater than 0.35% by weight; and (ii) non-cellulosic component or cellulose other than said cellulose (i) present in an amount of at least 0.05% by weight; and optionally (c) at least one spreader. The composition may be used to form agricultural films.

The invention relates to potassium polyphosphate slow-release fertilizer for corns, and a production method of the potassium polyphosphate slow-release fertilizer. The potassium polyphosphate slow-release fertilizer is prepared from the following raw materials in parts by weight: 55-65 parts of urea, 45-50 parts of potassium polyphosphate, 10-15 parts of diammonium hydrogen phosphate, 0.5-0.8 part of magnesium sulfate, 0.4-0.6 part of calcium nitrate, 1.5-2.0 parts of trace elements, 8-10 parts of bone meal, 5-10 parts of humic acid, 10-15 parts of rotten cow dung, 4-6 parts of derris trifoliata and 10-15 parts of a slow-release agent. The potassium polyphosphate slow-release fertilizer for the corns is prepared according to the nutrient uptake features of corn growth; the produced potassium polyphosphate slow-release fertilizer is rich and balanced in nutrition and rich in various nutrients as well as medium and trace elements, and can rapidly supplement the nutrients needed by the corns in a long-acting way. Furthermore, the nutritional ingredients in the fertilizer can be slowly released, so that the fertilizer efficiency is lasting, and the utilization rate of the fertilizer is facilitated to be increased; the potassium polyphosphate slow-release fertilizer has the effects of increasing both production and income and increasing the quality of the corns.

The invention discloses a high-power LED bulb with electric shock preventing performance, high safety and long service life. The high-power LED bulb comprises a bulb cap (1), an insulating casing (2), an insulating light-transmitting front bulb shade (3), a light source plate (4) integrated with an LED chip, a radiator (5), a power supply drive component (6) and a thermo-sensitive switch (8), wherein the thermo-sensitive switch (8) is used for cutting off a power supply when the bulb is under high temperature; the front end of the insulating casing (2) is fixedly connected with the insulating light-transmitting front bulb shade (3), so as to form an accommodating cavity; all the light source plate (4), the radiator (5), the power supply drive component (6) and the thermo-sensitive switch (8) are arranged in the accommodating cavity; the radiator (5) comprises a baseplate (50); the bottom surface of the baseplate (50) is a plane surface part tightly clung to the light source plate (4); a heat radiation pillar (51) is arranged on the top surface of the baseplate (50); a lug boss (52) or sunken part which is used for enlarging the radiation area is arranged on the top surface of the baseplate (50); and a plurality of heat radiation grooves (21) communicated with the inner cavity of the insulating casing (2) are formed on the side wall of the insulating casing (2). The high-power LED bulb can be extensively applied to the field of LED illumination.

The present invention discloses a bio-organic fertilizer produced in a quick fermentation manner by adopting crop stalks as a main material and a preparation method for the bio-organic fertilizer, and relates to the technical field of agricultural fertilizers. The bio-organic fertilizer is prepared by mixing and granulation of the following materials in parts by weight: 40-60 parts of crop stalks, 20-30 parts of live stock excrement, 10-20 parts of humic acid, 0.4-0.6 part of microbe fungus, 2-6 parts of ammonium chloride, 1-3 parts of potassium chloride, 2-4 parts of calcium superphosphate, and 0.4-0.6 part of medium and microelements. The bio-organic fertilizer has the advantages of being relatively low in production cost, relatively high in biological activity, high in fertilizing value, and broad in raw material sources, can be taken as paddy rice fertilizers, upland crop, vegetable, amphisarca and fruit tree fertilizers, and flower fertilizers.

The invention discloses a luminaire radiator with good heat radiation effect and an LED luminaire with a fan. The LED luminaire comprises an LED light source component (1), a luminaire radiator (2), a cooling fan (3), a driving circuit board component (4), and an air inlet hood (6), wherein the LED light source component (1) comprises an LED chip (11) and an LED radiating substrate (12); the luminaire radiator (2) comprises a base plate (21); the undersurface of the base plate (21) is used for being attached to a flat surface of the LED radiating substrate and the top surface of the base plate (21) is provided with a heat radiating part (22) and a plurality of convex parts (23) or concave parts, wherein the heat radiating part is used for heat radiation and containing the cooling fan, and the plurality of convex parts (23) or concave parts are used for increasing the heat radiation area; the cooling fan (3) is arranged on the heat radiating part (22); the air inlet hood (6) is connected with the luminaire radiator (2), wraps and covers the cooling fan (3) therein; the upper part of the air inlet hood (6) has a cavity; the driving circuit board component (4) is positioned in the cavity; and the side wall of the cavity is provided with an air inlet hole (61). The invention can be applied to the field of LED lighting.

The invention discloses a heat-resistant insect-proofing polyurethane foam gap filling material comprising the raw materials: polyurethane, a styrene-acrylic emulsion, acrylic ester, diphenol propane, xylene, microlite, light calcium carbonate, diatomite, lindane, a talcum powder, zeolite, titanium dioxide, a talcum powder, a cellulose powder, magnesium oxide, nano calcium carbonate, a lamellar-structural mica powder, glass fiber, carbon fiber, quick lime, quartz sand, activated carbon, dichlorinated sodium isocyanurate, sodium potassium tartrate, fumaric acid, glutamine, inulin, borneol, acetyl trioctyl citrate, petroleum sodium sulfonate, sodium lauroyl glutamate, silicone oil, styrene, methyl triethoxysilane, a thickening agent, a silane coupling agent and a foaming agent. The heat-resistant insect-proofing polyurethane foam gap filling material has excellent heat resistant performance and insect-proofing performance.

The invention belongs to the field of high polymer materials, and discloses a flame-retardant insect-proof antibacterial mat for a floor carpet.The flame-retardant insect-proof antibacterial mat is prepared from low-density polyethylene, high-density polyethylene, decabromodiphenyl ether, polyethylene resin, zinc stearate, antimonous oxide, polyethylene wax, medical stone, natamycin, beta-cyclodextrin, chitosan, silane coupling agent, traditional Chinese medicine additives, citric acid, foaming agent, monoglyceride and color master batch.The product is a green and pollution-free product and has high flame retardance and good insect-proof and antibacterial performance, can restrain breeding of viruses, insects, mites, ants and the like for a long time, can effectively protect the floor carpet, and is harmless to human bodies and free of hidden health and safety dangers in the use process.

The invention discloses a joss stick for repelling pests and removing dampness and a preparation method thereof. The joss stick includes, by weight, 40-50 parts of Chinese mugwort, 20-30 parts of lavender, 5-15 parts of agilawood, 5-15 parts of sandalwood, 3-7 parts of cloves, 5-15 parts of radix angelicae, 3-7 parts of pericarpium citri reticulatae, 3-7 parts of perilla leaves, 3-7 parts of frankincense, and 10-20 parts of Siam benzoin. The preparation method includes the steps of: 1) crushing the agilawood and evaporative-drying the agilawood with pear juice to prepare agilawood powder; 2) soaking the sandalwood in La tea, and stir-frying the soaked sandalwood in wine until dry to prepare sandalwood powder; 3) processing the Chinese mugwort, lavender, cloves, pericarpium citri reticulatae and perilla leaves into powders, and mixing the powders to obtain a mixture powder A for later use; 4) boiling the radix angelicae in honey water until dry and crushing the radix angelicae to obtain radix angelicae powder; 5) freezing and crushing the frankincense and Siam benzoin to prepare frankincense powder and Siam benzoin powder; and 6) mixing a proper amount of a binder powder with the materials hereinabove to prepare the joss stick. The joss stick, when being burnt, emits fragrance which has the effects of repelling pests and dispelling dirty air, removing dampness and removing toxin, has significant and long-lasting pest repellent effect, and has no adverse influence on human body even after long time application.

The invention discloses a method for producing eucalyptus wood plywood by adopting insect-proof and mildew-proof composite urea formaldehyde resin. The method comprises the following steps of: wood slab rotating, veneer drying, gluing, tertiary cold-pressing, standing and maintaining, tertiary hot-pressing, radiating and maintaining, and slab fixed-thickness sanding. The key point of the production method is that insect-proof and mildew-proof composite urea formaldehyde resin, which is prepared by taking melamine modified urea formaldehyde resin as an adhesive main ingredient, adding oxidized starch as a viscous complexing agent, taking polyvinyl alcohol as a flexibilizer, taking hydrogenated rosin as an antioxidant, taking polyisocyanate as a curing agent, taking triethoxyisobutylsilane as a bridging agent, taking phenolation lignin as a formaldehyde catching agent and adding an insect-proof and mildew-proof agent, is adopted. Solid wood composite floor produced by adopting the insect-proof and mildew-proof composite urea formaldehyde resin has the advantages of low formaldehyde residual amount and good insect-proof and mildew-proof effect, has relatively strong inhibiting effect on breeding of aspergillus, trichoderma and blue mould, and has instantaneous kill-down capacity and long-acting prevention effect on powder post beetles of wood slab.

The invention belongs to landscape materials, and discloses a method for manufacturing a light outdoor recombination bamboo landscape material. The conventional outdoor recombination bamboo material has unstable product quality, low weather resistance and short service life and is easy to deform and mildew. The method comprises the following steps of: cutting off bamboo; removing green and yellow; rolling to obtain bamboo filaments; drying until moisture content is less than 8 percent; putting the bamboo filaments into an impregnation tank; vacuumizing and keeping the vacuum state for 12 to 15 minutes; sucking a modified chitosan metal complex preservative into the impregnation tank; increasing the pressure to be between 0.8 and 1.0MPa, and keeping the pressure for 40 to 50 minutes; reducing the pressure to be between 0.1 and 0.08MPa, and keeping the pressure for 20 minutes; taking the bamboo filaments out; drying at a low temperature until the moisture content is 8 to 10 percent; soaking in a modified adhesive; drying until the moisture content is 15 to 18 percent; spraying a polyurethane adhesive; combining blanks by using a mould; and hot-pressing and foaming to obtain the material. The method has the advantages that: a product does not deform due to high stability, and has long service life due to high rot resistance; and the weather resistance of the product is improved, so that the product is suitable to be used as the outdoor landscape material.