65results about How to "Many sites of action" patented technology

The invention relates to a pesticide, in particular to a compound bactericide for mainly treating grey mold of fruits and vegetables. The compound bactericide consists of active ingredients, a filler and/or aids, wherein the active ingredients consist of fluazinam and other bactericides; the weight ratio of the fluazinam to other bactericides is 1-50:1-50; and other bactericides are one or a mixture of more of mancozeb, iprodione, fludioxonil, SYP-Z048, pyrametostrobin and azoxystrobin. Product forms of the compound bactericide for mainly treating the grey mold of fruits and vegetables are usually wettable powder, water dispersible granules and suspension agents. The compound bactericide is applicable to the prevention and control of the grey mold of various fruits and vegetables and has remarkable synergism and long effective duration, the medicaments have a novel action mechanism and a large number of action sites, and the occurrence and development of medicament resistance of grey mold bacteria can be effectively delayed; and the preparation method of the compound bactericide is simple, and the compound bactericide has high biological safety and remarkable economic benefit.

The invention discloses a pesticide composition containing spinetoram and biogenic pesticide. The biogenic pesticide may be abamectin, emamectin benzoate or ivermectin; the weight ratio of spinetoram to biogenic pesticide is 1:60 to 60:1; and the spinetoram and biogenic pesticide account for 1 to 60 percent of the weight of the pesticide composition in total. The pesticide composition can be used for preventing and controlling rice stem borers, plutella xylostella in vegetables, beet armyworms and cotton bollworm in cotton. The pesticide composition not only expands the application range of pesticides, but also reduces the dosage of pesticides, namely dosage per mu of the pesticides under the conditions of obvious synergistic effect and optical prevention and control effects, and therefore the cost and environmental harms are reduced.

The invention belongs to the technical field of industrial water processing, and especially relates to a heavy metal sewage multifunctional processing agent and a synthesis method thereof. The heavy metal sewage multifunctional processing agent is mainly composed of polyethylene polyamine, cyanuric chloride, and epoxy chloropropane, has a flocculation effect on solid suspension and colloid, and can eliminate heavy metal ions, suspension, and floating oil at the same time. The invention further provides a synthesis method of the heavy metal sewage multifunctional processing agent. The processing agent has the advantages of many acting sites between the processing agent and heavy metal ions, large molecular weight, high efficiency, and integrated eliminations of heavy metal ions, suspension, and floating oil.

The invention especially relates to a hyper-branched polymer multifunctional sewage treating agent and a synthetic method thereof, belonging to the technical field of water treatment. The hyper-branched polymer molecular skeleton and molecular terminal of the hyper-branched polymer multifunctional sewage treating agent contain a great number of function groups capable of realizing integrated removal of heavy metal ions, suspensions, colloids, floating oil, etc.; and a hyper-branched polymer core is an organo-silicone structure which has low surface energy, can be easily positioned on the surface interfaces of solid suspension particles and colloidal solutions and is capable of reducing water content of produced floccules.

The invention relates to application of a multifunctional plant-source bactericide to control iris tectorum fusarium basal rot. The plant-source bactericide is prepared from the following composition in parts by weight: 0.5-2 parts of radix stellerae chamaejasmes, 3-5 parts of artemisia carvifolia, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaf, 0.8-1.6 parts of glycyrrhiza uralensis, 1-3 parts of fruit of Chinese sumac, 3-5 parts of galla chinensis, 0.5-2 parts of radix sophorae flavescentis, and 0.2-0.6 part of a synergist. The plant-source bactericide has the advantages of no toxicity, low residue, no pollution, no drug resistance, relatively strong bacteriostatic activity, high selectivity and wide raw material source.

The invention relates to an application of multifunctional botanical fungicide in preventing and treating iris tectorum crown rot. The botanical fungicide comprises the following components in parts by weight: 0.5-2 parts of stellera chamaejasma, 3-5 parts of sweet wormwood, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaves, 0.8-1.6 parts of liquorice, 1-3 parts of Chinese sumac fruit, 3-5 parts of Chinese gall, 0.5-2 parts of radix sophorae flavescentis and 0.2-0.6 part of synergist. The botanical fungicide provided by the invention has the advantages of no toxicity, low residue, no pollution, no medicine resistance, relatively high bacteriostatic activity, high selectivity and wide raw material sources.

The invention discloses a carbon nano tube surface lysozyme molecularly-imprinted polymer. The carbon nano tube surface lysozyme molecularly-imprinted polymer adopts lysozyme as a template molecule, adopts 1-allyl-3-methylimidazolium hexafluorophate ionic liquid and N-tert-butyl acrylamide as a mixing functional monomer, adopts an acrylamide modified carbon nanotube as a matrix, adopts a Tris-HCl buffer solution with the pH being 9 as a reaction system, is obtained under the effect of a cross-linking agent, an initiating agent and a catalyst and has the selective recognition capacity for lysozyme. The number of acting sites is multiple when the template molecule and the functional monomer are combined, the acting force is higher, more effective recognition sites can be formed in the preparation process of the molecularly-imprinted polymer, and therefore the printing effect and the preferential adsorption capacity for lysozyme are better.

The invention discloses a polymer monolithic column, and a preparation method and application thereof. The monolithic column is prepared from the raw materials consisting of monomers, a cross-linking agent, a pore forming agent, an initiator and post-modification functional monomers through the following steps: subjecting polymer fluid prepared according to a raw materials formula to polymerization in a stainless steel cylindrical tube, rinsing the monolithic column with methanol and carrying out a grafting reaction of the functional monomers on the surface of the column in the presence of the initiator so as to obtain a chromatographic column capable of anion exchange and phase reversal. According to the invention, the preparation method is simple and is easy to operate; respective separation of acidic, alkali and neutral substances under two modes is realized through adjusting a mobile phase of liquid chromatogram, and therefore, an application scope of the monolithic column is broadened and a novel idea for development of the column is provided.

The invention relates to a sterilization composition containing picoxystrobin and thioneb and application of the composition. According to the composition, the weight part ratio of picoxystrobin to thioneb is (40 to 1) to (1 to 40) and the weight percent of active ingredients is 1-90%. The composition has a synergistic effect by compounding picoxystrobin with thioneb and is used for preventing and controlling various diseases such as leaf spot disease, anthracnose, downy mildew, brown blotch, gummy stem blight and rice false smut on various crops.

The invention provides an insect-prevention fertilizer for sugarcane and an insect-prevention method for sugarcane, and relates to the technical field of planting. The insect-prevention fertilizer forsugarcane is prepared from the following raw materials: urea, ammonium bicarbonate, human and animal excreta, sodium humate, borax, ammonia water, plant ash, grain slag, tobacco stems, winery lime sludge, mushroom slag, an insecticide composition and water. The insect-prevention fertilizer for sugarcane provided by the invention is not added with any harmful substances from a formula to a production process; and the obtained insect-prevention fertilizer is scientific and reasonable in formula, is simple in preparation, is prepared according to characteristics of sugarcane, provides sufficientnutrients for growth of sugarcane, is matched with an insect-prevention method to inhibit generation of various funguses, so that various diseases of sugarcane are prevented, a survival rate of the sugarcane is increased, the sugarcane yield is increased, and economic benefits are increased.

The invention relates to a method for preparing crop combined insecticide micellar emulsion from thiocyclam and fipronil. The method comprises diluting 90% thiocyclam with clean water to 20-50%, mixing the diluted thiocyclam with anionic emulsifier containing phenylacetaldehyde polyoxyethylene ether, solvent naphtha and 5% fipronil suspension at a wt. ratio of 1:0.0005-0.002:0.02-0.5:0.1-0.3, and stirring. The invention has improved thiocyclam utilization ratio and effect due to the use of anionic emulsifier containing phenylacetaldehyde polyoxyethylene ether which increases the adhesion and permeability of micellar emulsion on crop, and use of fipronil suspension which increases kills knockdown force to pest and reduces fastness of pest against thiocyclam.

The invention provides a biopesticide compounded by trichoderma and hypersensitive protein complex enzyme, and belongs to the technical field of biopesticides. The biopesticide includes the followingcomponents in parts by weight: 3-7 parts of trichoderma, 0.2-0.7 part of hypersensitive protein complex enzyme, 0.4-0.6 part of monosaccharide, 0.8-1.2 parts of starch, 0.6-1.4 parts of amylodextrin and 80-95 parts of kieselguhr. The biopesticide provided by the application has good pesticide effect and good slow-release effect, is safe to the ecological environment and low in production cost andhas no pollution as all the raw materials are obtained from nature and can be back to the nature; the biopesticide has more acting sites to diseases, so that resistance of germs is not easily caused,and besides, crop growth is promoted and crop yield is improved.

The invention relates to a botanical bactericide for preventing and treating potato dry rot and a preparation method thereof. The botanical bactericide solves the problem that the existing chemical bactericide causes the pathogen resistance to bactericides and environmental pollution after long-term use. The botanical bactericide is a solution of dryocrassine ABBA extracted from Dryopteris crassirhizoma Nakai and has a concentration of 0.1 to 2.0 mg/mL. The botanical bactericide is non-toxic, has no pollution, has high antibacterial activity and can produce strong inhibition effects on growth of potato dry rot main pathogens such as Fusarium culmorum, Fusarium oxysporum, Fusarium sambucinum and Fusarium solani var.coeruleum (Sacc.) Booth, can effectively inhibit the radial growth of hyphae and can significantly reduce a hypha growth rate. The botanical bactericide for treating potato tubers can improve the resistance of tubers to dry rot, can inhibit the fusarium infection of tubers, and does not cause damage to tubers.

The invention relates to application of a multifunctional botanical fungiticide in prevention and treatment of iris soft rot. The botanical fungiticide is prepared from the following raw materials in parts by weight: 0.5-2 parts of stellera chamaejasme, 3-5 parts of artemisia apiacea, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaves, 0.8-1.6 parts of liquorice, 1-3 parts of Chinese sumac fruit, 3-5 parts of gallnuts, 0.5-2 parts of radix sophorae flavescentis and 0.2-0.6 part of a synergist. The botanical fungiticide has the advantages of being non-toxic, low in residue, pollution-free, free of fungiticide resistance, relatively high in bacteriostatic activity, high in selectivity and wide in raw material sources.

The invention discloses a clobetasol propionate molecule capturer. According to a preparation method, a graphene oxide modified polyethylene filter board is taken an internal support body, and synthesis of a clobetasol propionate membrane on the surface of the internal support body is carried out. In synthesis of the molecularly imprinted polymer membrane, clobetasol propionate is taken as a template molecule, 3-aminopropyltriethoxysilane is taken as a functional monomer, ethyl orthosilicate is taken as a cross-linking agent, and glacial acetic acid is taken as a silane hydrolysis condensating agent. The clobetasol propionate molecule capturer is a novel molecular imprinting-solid phase extraction integral material, is adopted in pretreatment of selective adsorption and dynamic extraction separation of trace illegally added clobetasol propionate in cosmetic samples with complex matrix so as to realize rapid separation detection on clobetasol propionate. The invention also discloses the preparation method of the clobetasol propionate molecule capturer. The preparation method is simple; cost is relatively low; organic solvent using amount is low, solid phase extraction operation is simple and rapid, and is high in efficiency.

The invention discloses an agricultural composition with Chinese herbal medicine. Raw materials of the Chinese herbal medicine are composed of Chinese herbal medicine which has the insecticidal function on plants and Chinese herbal medicine which has the nutrient function on the plants; the composition is prepared from macleaya cordata (willd.) r. brownbocconia cordata willd., sophora moorcroftiana, herba houttuyniae, radix angelicae dahuricae, pericarpium granati, manglietia fordiana, rhizoma curcumae longae, radix stemonae, radix aconiti kusnezoffii, golden larch bark, rhizoma arisaematis, rhizoma pinelliae, Chinese tallow leaves, vitex leaf ash, camellia oleifera tree leaf ash, ailanthus altissima leaf powder, radix adenophorae root powder, gynostemma pentaphyllum stem leaf powder and medicago sativa stem leaf powder. The agricultural composition with the Chinese herbal medicine has the advantages that the composition is environmentally friendly and safe, low in cost, simple in preparation method and good in insecticidal effect, pests do not generate drug resistance easily, and the yield of crops is remarkably improved, and the agricultural composition with the Chinese herbal medicine is worthy of application and popularization on large-scale agricultural production.

The invention discloses a preparation method and application of a molecularly imprinted photonic crystal for detecting sulfamethoxazole. The preparation method comprises the following steps of firstly, depositing polystyrene emulsion microspheres on the surface of a glass slide by utilizing a vertical deposition method to obtain a photonic crystal template, filling gaps of the polystyrene microspheres on the photonic crystal template with a precursor solution containing sulfamethoxazole, a functional monomer, a cross-linking agent and an initiator, carrying out a constant temperature reaction for a period of time, and eluting the polystyrene microspheres and sulfamethoxazole with a solvent to prepare the molecularly imprinted photonic crystal. The molecularly imprinted photonic crystal provided by the invention shows different colors in sulfamethoxazole solutions with different concentrations, and the concentration range of sulfamethoxazole can be roughly judged through naked eye observation. Furthermore, the displacement of the Bragg diffraction peak of the photonic crystal is measured by using a fiber optic spectrometer, so that quantitative analysis on trace sulfamethoxazole can be realized.