46results about How to "Has insect repellent effect" patented technology

The invention relates to an anti-corrosion bamboo-wood composite board and a preparation method thereof. The preparation method of the anti-corrosion bamboo-wood composite board comprises the following steps: firstly preparing anti-corrosion bamboo strips and heat-treated wood; next, respectively assembling and compressing the anti-corrosion bamboo strips and the heat-treated wood into anti-corrosion bamboo wood and a heat-treated sheet material; and then carrying out assembling and hot compression on the anti-corrosion bamboo wood and the heat-treated sheet material to obtain the anti-corrosion bamboo-wood composite board. The bamboo-wood composite board prepared by the method of the invention has excellent corrosion resistance which reaches the corrosion resisting level specified in national standard GB/T13942.1-1992 Method for Laboratory Test of Natural Decay Resistance of Woods, and also has very high surface abrasion resistance and high mechanical strength which reach the national standards in GB/T 18103-2000 national composite floor.

The invention relates to an insect-proof and antibacterial floor film, and belongs to the field of high polymer materials. The floor film is characterized by comprising, following raw materials by weight: 100-120 parts of PVC resin powder, 2-6 parts of CPE, 10-15 parts of acetyl tributyl citrate, 18-24 parts of epoxidized soybean oil, 2-5 parts of a barium-zinc stabilizer, 0.5-1.2 parts of a lubricant, 0.05-0.2 part of tagetes essential oil, and 1-3 parts of tourmaline powder. The floor film provided by the invention is advantageous in that the floor film is capable of effectively inhibiting bacteria growth and is insect-proof; and the floor film has a function of releasing anions, thereby providing sterilization, air purification and deodorization functions for the environment, and benefiting the human health. Moreover, the floor film has a wide application scope and can be used in any places that need insect-proof and antibacterial films.

The invention discloses a quick cultivation method for macadimia nut seedlings. The method comprises the steps that a branch, which grows in the current year, has at least three rings of leaves and is 20 cm or above long, of a macadimia nut tree is selected, the branch to be sheared is scratched at the beginning of March, the base of the branch is girdled in the middle ten days of March, the branch is sheared off perpendicularly from the base in the first or middle ten days of April, a cut is made round, a protective agent is smeared at the round cut, and linen fiber cloth is used for winding around the branch from the base cut to wrap the branch and then is tied tightly; before cutting, three rings of leaves on the upper portion of the branch are left, remaining leaves are sheared away, a bevel cut is sheared from the position 3 cm away from the base towards the base, the branch is sheared to be 16-18 cm long, a rooting promoter is sprayed exactly to the bevel cut, and a cutting branch is obtained for use; the part 8 cm below the base of the cutting branch is inserted in a sand bed matrix until the cutting branch is moved out of a garden for planting. Through the quick cultivation method, the cutting rooting rate is up to 97.2%, and the seedlings can be moved out of the garden within three and a half months to the shortest extent.

The invention provides a cultivation method for greenhouse muskmelons. The cultivation method includes the steps that S1, muskmelon seeds are selected to be cultured, and muskmelon seedlings are obtained; S2, a melon field is selected, a greenhouse is erected, and soil preparation and ridging are carried out, wherein the greenhouse comprises a greenhouse frame, a greenhouse cover and a water and fertilizer irrigation device; S3, field planting is carried out, wherein during field planting, the water and fertilizer irrigation device is used for applying a nutrient solution to the muskmelon seedlings, and applying amounts are different according to different growth periods of the muskmelons. A preparation method of the nutrient solution includes the steps that honeysuckle flowers, wild achyranthes roots, radix sophorae flavescentis, phoenix tree leaves, thunder god vines, herba houttuyniae and butterfly bush are ground and smashed, ethyl alcohol with the volume fraction of 70%-80% and ethyl alcohol with the volume fraction of 60%-70% are sequentially used for extraction, extracting solutions are mixed, and a first extracting solution is obtained; chloroisobromine cyanuric acid, chlorothalonil, honey, mandipropamid, urea, plant ash, water and calcium superphosphate are added into the first extracting solution, the materials are mixed and stirred to be uniform, and the nutrient solution is obtained. According to the cultivation method, the produced muskmelons have good disease resistance and quality and high yield.

The invention relates to special fertilizer for rapes. The special fertilizer is prepared from the following raw materials in parts by weight: 15 to 25 parts of soybean meal, 10 to 35 parts of tung seed meal, 24 to 65 parts of pig manure or cattle manure, 5 to 8 parts of lotus seed pot, 5 to 8 parts of walnut green husk, 0.1 to 0.3 part of a fermentation bacterium agent and 0.5 to 1.5 parts of a compound bacterium agent, wherein the fermentation bacterium agent contains bacillus, fungi, actinomyces, hemicellulase, cellulase and laccase; the compound bacterium agent contains bacillus amyloliquefaciens, bacillus megaterium and trichoderma viride. According to the special fertilizer provided by the invention, used raw materials are agriculture wastes; after being fermented, the raw materialscontain a lot of nutrients including organic matters, nitrogen phosphorus potassium and the like, and also contain various amino acids and antibacterial substances; nutrient substances can be providedfor the rapes and diseases and insect pests of the rapes are prevented; after organic raw materials are fermented, the compound bacterium agent is added to carry out secondary fermentation; microorganisms are greatly proliferated in organic fertilizer; meanwhile, metabolic products are produced; sclerotiniose, downy mildew and white rust of the rapes can be inhibited very well.

The invention discloses an improved wood floor adhesive which is prepared from the following raw materials in part by weight: 1.5-3.7 parts of diethanol amine maleic anhydride complex ester, 0.8-1.7 parts of poly(epoxy glycerin ether), 2-3.7 parts of butyl acetate, 3-7 parts of asbestos powder, 0.6-1.5 parts of diisocyanate, 2-3.5 parts of monoglyceride decanoate, 1.3-3.5 parts of glycidyl trimethyl ammonium chloride-gliadin-glyoxal resin, and 0.5-2.7 parts of natamycin. Compared with the conventional product, the improved wood floor adhesive is nontoxic, contains no methanal, does not pollute the environment, has excellent bonding effect as the adhesive property and hot-melting performance of the glycidyl trimethyl ammonium chloride-gliadin-glyoxal resin are high, and is long in service life; the improved wood floor adhesive is high in bonding performance and excellent in mechanical property, and has insect prevention effect; the termite erosion can be effectively prevented by virtue of the combination of the natamycin and the monoglyceride decanoate, so that the possibility of insect attack is reduced; the production technology is simple, the production cost is low, and the popularization is facilitated.

The invention relates to the technical field of organic fertilizer, in particular to organic fertilizer prepared from biomass, and a preparation method thereof. The organic fertilizer is prepared fromthe following raw materials in parts by weight: 50-80 parts of bone, 20-40 parts of spent mushroom compost, 20-40 parts of faeces, 10-20 parts of peanut bran, 20-40 parts of biogas residue, 10-20 parts of sludge, 10-20 parts of moringa oleifera, 10-20 parts of pineapple peel, 10-20 parts of durian shell, 10-20 parts of cassava residue and 2-4 parts of fungicide. The organic fertilizer takes the biomass as raw materials, has the characteristics of rich nutrition, enough fertility and the like, and is capable of accelerating plants to thrive, avoiding soil hardening and improving soil permeability.

The invention provides a high strength formaldehyde-free adhesive for furniture. The main raw materials of the adhesive are corn starch, graphene oxide, amylase, guar gum, diatomite, original bamboo fibers, beta-cyclodextrin and water, and the adhesive does not contain formaldehyde, and is harmless to human bodies. The original bamboo fibers and beta-cyclodextrin which are added can enhance the strength of the adhesive, and the original bamboo fibers also have certain anti-bacterium, bacteriostasis and pest control effects, so the produced furniture has certain anti-enzyme and anti-moth effects.

The invention discloses a recombination wood blank made through pressing after branch wood and bamboo canes or wood chips are mixed according to a certain ratio. By means of the advantages that the bamboo canes or wood chips are uniform in thickness and good in straightness, when the bamboo canes or wood chips and the branch wood are mixed to be pressed, a good buffer effect can be achieved, and the defect that branch recombination wood is nonuniform in density is relieved. Main raw materials adopted in the invention are low-grade leftover or waste materials, waste is utilized, and energy conservation and environment friendliness are achieved. The recombination wood (bamboo) blank made by mixing the branch wood and bamboo-wood according to the preparation method is excellent in performance and has the superior static bending intensity, internal bonding strength, thickness swelling rate of water absorption and various main quality performance indexes compared with unimproved pure branch laminated wood. A branch wood blank board mixed with bamboo-wood sheets keeps high strength, has attractive texture of a pith section cutting plane, is comparable with natural wood, is harder and more durable than common natural wood, and can be predicted to have broad market prospects.

The invention provides a preparation method for moth-proof pinus sylvestris scrimber. The preparation method comprises the following steps that 1, a pinus sylvestris log is cut with a saw and peeled, end sealing glue is applied to the two ends of the log, a blank veneer is obtained through rotary cutting or slicing, and a veneer M with the water content of 6%-16% is obtained after the veneer is blanched, dyed and dried; 2, double-face adhesive applying, assembling and cold pressing are conducted on the veneer M obtained in the step 1, and the needed moth-proof pinus sylvestris scrimber is obtained, wherein an adhesive used in double-face adhesive applying in the step 2 is prepared from, by weight, 30-50 parts of polyvinyl acetate, 8-15 parts of camphor tree essential oil and 10-20 parts of polyvinyl alcohol. According to the preparation method for the moth-proof pinus sylvestris scrimber, pinus sylvestris is adopted as the log, the material is convenient to obtain, low in cost and easy to process, and meanwhile the prepared scrimber has a moth-proof effect; the method that the end sealing glue is applied to the two ends of the log is adopted, therefore, the condition that the log veneer is broken is effectively prevented, and then the quality of the scrimber is further improved.

The invention relates to a preparation technology of a multifunctional health pillow. The preparation technology comprises the steps that (1) pillow inner fillings are prepared, specifically, six kinds of wood of cedar, camphor wood, bamboo, maple wood, peach wood and phellem are prepared according to different shapes, the prepared wood is subjected to sealed high-temperature treatment at 450-530DEG C, in percentage by weight, 8%-12% of the cedar, 3%-7% of the camphor wood, 41%-59% of the bamboo, 20%-26% of the maple wood, 1%-5% of the peach wood and 8%-12% of the phellem are mixed; and (2) the mixed pillow inner fillings are sub-packed into pillow inner fabrics so that the height of the health pillow in a flat state can be 6-10 cm, and a pillowcase sleeves the health pillow after sewingis completed. According to the preparation technology, the prepared six kinds of natural wood have functions of calming nerves and promoting sleep, refreshing air, absorbing dampness, preventing noise, ventilating and the like during sleeping, the health pillow conforms to ergonomic design, and a cervical spine is supported in all directions, the service life of the pillow is prolonged, the stability of the pillow is improved, and the natural curvature of the cervical spine is restored the quality of sleeping can be significantly improved.

The invention provides a preservative for wood transportation. The preservative for wood transportation comprises the following raw materials in parts by weight: 35 to 52 parts of ketamine, 26 to 34 parts of ammoniacal copper quats, 16-28 parts of zinc dimethyldithiocarbamate or kresoxim-methyl, 56-63 parts of ammonium carbamate, 43 to 51 parts of 2,4,5,6-tetrachloro-3-benzenedicarbonitrile, 2-5 parts of boron carbide and 2 to 5 parts of iron boride. The preservative activity of the preservative for wood transportation is ensured through the adoption of the ammoniacal copper quats; the capability of resisting damage by worms or vermin is ensured through the adoption of the ammonium carbamate; mildew resistance, and stability of the preservative under the condition of illumination and rainwater is ensured through the adoption of the 2,4,5,6-tetrachloro-3-benzenedicarbonitrile; the oxidation resistance and the stability of the preservative for wood transportation can be improved through the adoption of the boron carbide and the iron boride.

The invention discloses a selenium-enriching and quality-improving cultivation method for carrots. The method comprises the following steps: S1, seed selection: selecting carrot seeds without diseases; S2, planting field selection: selecting a field which is loose in soil texture, rich in organic matters and has a soil pH value of 5.5-7.8; S3, selenium-rich fertilizer preparation: feeding livestock with selenium-rich feed, and storing excrement and urine dung produced by the livestock after classified collection and processing treatment; S4, soil preparation and fertilization: before sowing, deeply ploughing soil of the carrot planting field, and scattering processed excrement into the soil; S5, timely sowing; S6, water management: using a water source doped with the urine in the S3 for irrigation; S7, topdressing and weeding: conducting topdressing and weeding regularly; S8, disease and pest control: adopting a plant protection policy of 'prevention first and comprehensive control'; and S9, harvesting. The selenium content of the carrots is effectively increased, the yield of the planted carrots is effectively increased, and meanwhile the carrots are good in taste, rich in nutrient value and good in quality.

The invention relates to a plant extract slow-release insect-resist agent and a preparation method thereof. According to the application, it is found for the first time that AstinI in the aster root extract has an insect prevention effect, and the AstinI can be used for preventing insects of gramineous plants, especially rice. In order to enhance the insect-resistant effect, the slow-release insect-resistant agent is prepared by dispersing the slow-release insect-resistant agent in a degradable polymer polylactic acid-glycolic acid copolymer (75: 25). The slow-release insect-resistant agent is suspended in tap water and sprayed on the surfaces of plants, slow-release insect-resistant agent powder particles containing AstinI are adhered to the surfaces of the plants, the insect-resistant agent is slowly released, and the long-term insect-resistant effect is achieved. The effect covers the whole growth period of the plants.