167results about How to "Long-acting" patented technology

The biological organic fertilizer has organic matter, humic acid and trace elements as main material, and industrial residue, leftover, human and animal excrement, Chinese medicine dreg, waste mushroom culture medium, stalk and weed as supplementary material. It is prepared through a two-step fermentation process, which includes inoculating thermophilic microbe to supplementary material and fermentation for 3-6 months, mixing the fermented supplementary material with photosynthetic bacteria, saccharomycete and other main material, and aerobic fermentation for 5-14 days at 40-50 deg.c. The biological organic fertilizer may be further produced into powdered or granular fertilizer. The fertilizer of the present invention has comprehensive nutrients, long fertilizer effect over 6 months, and effects of raising crop yield and quality.

The invention discloses a cooling liquid for automobiles, and relates to an organic anti-freeze cooling liquid and a preparation method thereof. The cooling liquid is characterized by comprising 40 to 60 percent of glycol, 60 to 40 percent of de-ionized water and additives, wherein the additives comprise a reducing agent, an antioxidant, an antiseptic, a rust preventative, a mildew inhibitor, a scale inhibitor, a defoaming agent, a pH value buffer and a pH value regulator. The preparation method comprises the following steps of: 1, adding the de-ionized water and the reducing agent into a reactor A and heating the mixture to the boiling point; and 2, squeezing the liquid in the reactor A into a reactor B after the temperature reaches the normal temperature, and adding the glycol and the additives into the reactor B to prepare the anti-freeze cooling liquid. Due to the adoption of hydrazine hydrate in the invention, free oxygen in the de-ionized water is eliminated and the problem of corrosion resistance is solved well; the product meets the requirements on long-term effect, environmental protection, safety and non-toxicity; the cooling liquid has the advantage of low cost of the required raw materials; the preparation method has the advantages of simplicity, a few facilities and low energy consumption, wins warm praise from customers and has extremely high popularization and application value and broad market prospect.

The invention relates to an agricultural microbial compound bacterial fertilizer, in particular to a method for producing a microbial compound bacterial fertilizer. The method is characterized in that activated sludge fermented by a fermentation plant during sewage treatment is used as matrix, molasses is added into the matrix as a culture medium, compound bacteria are grafted into the culture medium after adding water to ferment, then grass carbon is added into the culture medium, and the mixture is dried to form the compound bacterial fertilizer. The method realizes reutilization of sludge waste, and provides economic and efficient microbial sludge bacterial fertilizer for the development of green ecological agriculture.

The invention discloses a water quality purifying agent. A formula of the water quality purifying agent comprises the following components in parts by weight: 15 to 55 parts of potassium hydrogen persulfate composite salt, 0 to 5 parts of sulfamic acid, 5 to 20 parts of citric acid, 1 to 12 parts of sodium carbonate, 0 to 10 parts of sodium bicarbonate, 0 to 0.5 part of magnesium carbonate, 0 to 9 parts of sodium hexametaphosphate, 15 to 30 parts of calcium peroxide, 0 to 1 part of sodium dodecyl benzene sulfonate, 0 to 2 parts of lauryl sodium sulfate, 0.05 to 0.1 part of polyethylene glycol, 5 to 15 parts of anhydrous sodium sulphate and 15 to 25 parts of composite microbial agent. In the formula of the water quality purifying agent, a composite potassium hydrogen persulfate product detoxifying technology and a sewage treatment technology beneficial for microorganisms to restore the micro-ecological balance are used for substituting the existing product capable of leading to the secondary pollution, the advantages such as fast onset of action and lasting effect can be realized, and the water quality purifying agent can take effect within half an hour; the water modification, detoxifying, bacteriostat and water purifying effect can last for 7 to 10 days, and the treatment on the water pollution and the restoration of the ecological balance can be realized in 7 days to 1 month.

The invention discloses an efficient multi-element compound fertilizer, which consists of hexanoic acid 2-(diethylamino) ethyl ester, polypeptide chelated potassium, polypeptide L-aspartate potassium, urea, potassium chloride, diammonium phosphate, calcium superphosphate, potassium dihydrogen phosphate, calcium-magnesium phosphate fertilizer, ammonium chloride, thiamine, zinc chloride, borax, ferrous sulphate, copper sulphate, manganese sulfate, sodium molybdate, cobalt chloride and silicon-manganese phosphate fertilizer. The efficient multi-element compound fertilizer has the advantages of promoting the growth of crops, improving the disease resistance of the crops, resisting falling, insect pests and frozen injury, improving the fertilizer effect, improving the soil, accelerating the growth of branches and leaves, reinforcing the photosynthesis, accelerating the growth of roots, enhancing the drought resistant capacity, improving the yield of the crops and improving the quality of fruits. The yield of grain crops is averagely increased by more than 26 percent, the yield of economic crops is averagely increased by more than 33 percent, and the yield of vegetable crops is averagely increased by more than 42 percent.

The invention relates to lignin-bound biochar coated urea and a preparation method thereof and belongs to the technical field of utilization of agricultural biomass. A binder used in the lignin-bound biochar coated urea comprises acid-precipitated lignin, a pyroligneous liquid and water in different weight ratios. The preparation method comprises the following steps of dissolving acid-precipitated lignin in a pyroligneous liquid or a pyroligneous liquid and water to obtain the binder; and granulating, spraying and drying to obtain the lignin-bound biochar coated urea finished product. The binder is novel in components and environment-friendly; the preparation method is reasonable and simple, the preparation process is simple and feasible, low in production cost; and the urea has the advantages of high fertilizer utilization rate, long fertilizer effect time, light environmental pollution and good antibacterial effect, and the soil structure is improved.

The invention discloses a mobile fermentation method for producing a concentrated fertilizer through humic acid. The mobile fermentation method comprises the following steps in sequence: adding a base fermentation substance in a dried material mixer and mixing; puffing the mixed material through a twin-screw extruding and puffing machine; conveying the puffed material to a wet material mixer; adding yellow water to cool to 30-35 DEG C; inoculating a mixed bacteria liquid, and fully mixing; filling the mixture into a ventilating film fermenting bag, then packing and sealing; and fermenting for 5 to 10 days in a fermentation chamber at constant temperature, thus obtaining the concentrated fertilizer, wherein the base fermentation substance is prepared by uniformly mixing 50 to 60 parts by weight of fulvic acid, 10 to 20 parts by weight of vinasse, 10 to 20 parts by weight of powdered maize straw, 5 to 10 by weight parts of urea, 1 to 2 parts by weight of diammonium hydrogen phosphate, and 5 to 10 parts by weight of potassium chloride; in the base fermentation substance, the moisture content is 20 to 30wt%, and 10 to 20 parts of yellow water by weight is added; and the mixed bacteria liquid comprises the bacteria liquid of trichoderma harzianum, wet fiber monospora, bacillus latersprorus, bacillus megatherium, azotobacter chroococcum, bacillus mucilaginosus and lactobacillus plantarum.

The invention discloses a new dosage form of nanometer compound pesticide and a preparation method thereof, which is prepared by adopting modified nanometer TiO2, chitosan and technical product of pesticides as the raw materials, wherein, the modified nanometer TiO2 has improved mechanical property which is modified through sodium laurate. By utilizing the property of film build of chitosan, the chitosan and the technical product of pesticides react fully, a layer of film is formed on the surface of a spraying object, the film can reduce loss of liquid medicine, ensure more pesticide to be attached on crops, facilitate penetration of systemic pesticide and increase the safety for the operators of spraying and environment; the added modified nanometer TiO2 helps the film have certain intension and tenacity, thus achieving slow release and long effect of pesticide; meanwhile, by utilizing the antibacterial property of chitosan and nanometer TiO2, the effects of antibacterial property and getting rid of pests of pesticide are increased. The nanometer compound pesticide is a new dosage form of pesticide with the characters of long effect, safety, innocuity, economy and convenience.

The present invention uses acrylic acid, starch and fat element compound as raw material, utilizes same equipment and same polymerization process to respectively can produce organic high-hydroscopicity fertilizer or organic leakage-proofing fertilizer, they can be respectively used for leakage prevention in the places of paddy field and fishpond, etc. and can be used for remaking sand soil into paddy field so as to promote agricultural renovation.

The invention discloses a method for preparing a ZrO2 compound ceramic film on surfaces of magnesium and magnesium alloy through microarc oxidization. The method comprises the steps of: based on a zirconium salt system solution as an electrolyte, placing the magnesium or magnesium alloy in the electrolyte to be used as an anode, taking a stainless steel plate as a cathode, controlling the temperature of the electrolyte to be 10-35 DEG C, regulating the pulse frequency to be 300-1000Hz and the duty cycle to be 5-45%, carrying out constant-voltage treatment for 10-30 minutes under the condition that the voltage is 250-300V, then raising the voltage to 400-450V, and carrying out constant-voltage treatment for 20-60 minutes, thereby growing a uniform and compact ZrO2 compound ceramic film in situ on the surface of the magnesium or magnesium alloy. By adopting the method disclosed by the invention, the compact ZrO2 compound ceramic film can be rapidly obtained on the surface of the magnesium alloy. The method has no special requirements for materials, shapes, sizes and the like of the magnesium or magnesium alloy, and has better generality.

The invention provides a method for preparing environment-friendly and high-efficiency biological organic fertilizer by using distilled spirit vinasse, comprising the following steps of: puffing fermentation substrate by a threaded rod type puffing machine; transporting into a wet material mixing machine, cooling and adding microelement mineral salt, and inoculating bacterium liquid in proportion when the temperature is reduced to 30-35DEG C, completely mixing; and filling the inoculated and mixed fermentation substrate into a novel silica gel breathable membrane fermentation bag, packaging and sealing by an automatic metering and packing system, and fermenting for 5-7 at constant temperature in a fermentation room to obtain a finished product. The fermentation substrate is prepared by evenly mixing 50-60 parts by weight of distilled spirit vinasse, 5-10 parts by weight of humic acid, 5-15 parts by weight of sunflower husk powder, 5-10 parts by weight of ammonium sulfate, 5-10 parts by weight of potassium chloride and 5-10 parts by weight of corn steep liquor, wherein the water content of the fermentation substrate is 30-40 wt%; and the mixed bacterium liquid comprises bacterium liquid of streptomyces jingyangensis, clostridium butyricum, pseudomonas mendocina, azotobacter chroococcum and rhizopus oryzae.

The invention discloses a method for preparing a composite ceramic membrane on the surface of a magnesium alloy intravascular stent by micro-arc oxidation. The method comprises the following steps: 1) preparing an electrolyte; 2) performing micro-arc oxidation treatment by taking the magnesium alloy intravascular stent as an anode, taking a stainless steel plate as a cathode and taking a stainless steel wire with the surface coated with an insulating plastic membrane as an auxiliary cathode so as to in-situ grow a layer of uniform composite ceramic membrane on the surface of the magnesium alloy intravascular stent. Micron-grade holes which are uniformly distributed in the prepared composite ceramic membrane can be used as carriers for directly transporting a medicament to a lesion part in a tubular cavity. When the composite ceramic membrane is not subjected to hole sealing post-treatment, the resistance to corrosion of neutral NaCl salt mist can be up to 500h, the resistance to corrosion of a simulated body fluid environment can be up to 2400h, and the fracture toughness is obviously improved. The preparation process disclosed by the invention has the advantages of high efficiency and energy conservation.

The invention relates to a Chinese medicine for treating migraine. The Chinese medicine is prepared from the following raw materials in part by weight: 5 to 10 parts of Japanese ginseng, 3 to 5 parts of mango root, 10 to 12 parts of diverse wormwood herb, 4 to 6 parts of herb of canton salomonia, 4 to 6 parts of baeckea frutescens, 15 to 20 parts of rhizoma cyperi, 3 to 5 parts of divaricate saposhnikovia root, 3 to 5 parts of angelica sinensis, 1 to 3 parts of manchurian wildginger, 3 to 5 parts of angelica dahurica, 3 to 5 parts of incised notopterygium rhizome, 3 to 5 parts of doubleteeth pubescent angelica, 1 to 3 parts of licorice root, 3 to 5 parts of swordlike atractylodes rhizome, 3 to 5 parts of dwarf lilyturf tuber, 4 to 6 parts of scutellaria baicalensis, 2 to 4 parts of simpleleaf shrub chastetree fruit, 2 to 4 parts of chrysanthemum and 6 to 8 parts of ginger. The invention has the advantages that: the Chinese medicine has no side effects and good treatment effects, is convenient to take and easy to absorb, quick in response and low in price; and years of follow-up visit to people who have been recovered proves that the medicine can prevent relapse of migraine.

The invention relates to a preparation method of a pesticide slow controlled release nanometer composite material, in particular to a preparation method of a pesticide diuron slow controlled release nanometer composite material. The preparation method is characterized by comprising the following steps of: (1) dissolving diuron in water and dispersing by using ultrasound to obtain suspension containing the diuron; (2) loading the solution containing the diuron on hydroxyapatite nanometer granules by adopting a negative pressure and freeze drying method to obtain drug loading hydroxyapatite nanometer granules; (3) mixing and stirring sodium alga acid solution and hydroxyapatite nanometer granule suspension to obtain a sol system; dripping the sol system into a calcium ion cross-linking agent solution by an injector to obtain ion crosslinking gel granules of alginic acid / drug loading hydroxyapatite nanometer granules; washing by using distilled water, and drying in vacuum to obtain the micro-granular pesticide diuron slow controlled release nanometer composite material. The system can control the pesticide to slowly release and improve the pesticide effect. The invention solves the problem of pollution caused by too frequent pesticide use, too great dosage, low utilization rate of medicament, poor effect and medicament loss.

The invention relates to a Chinese medicament for treating cephalagra, which is prepared from the following raw materials in part by weight: 5 to 10 parts of siberian cocklour fruit, 8 to 10 parts of fiveleaf gynostemma herb, 10 to 12 parts of diverse wormwood herb, 4 to 6 parts of puff-ball, 4 to 6 parts of blackberrykiky rhizome, 4 to 6 parts of ephedra herb, 8 to 10 parts of eucalyptus leaf, 6 to 8 parts of perilla, 4 to 6 parts of small centipeda herb, 8 to 12 parts of chrysanthemum, 8 to 10 parts of mint, 15 to 20 parts of szechuan lovage rhizome, 15 to 20 parts of nutgrass galingale rhizome, 3 to 5 parts of Chinese angelica, 3 to 5 parts of dahurian angelica root, 3 to 5 parts of incised notopterygium rhizome, 3 to 5 parts of doubleteeth pubescent, 3 to 5 parts of swordlike atractylodes rhizome, 3 to 5 parts of divaricate saposhnikovia root, 3 to 5 parts of dwarf lilyturf tuber, 4 to 6 parts of baical skullcap root, 2 to 4 parts of simpleleaf shrub chastetree fruit, 2 to 4 parts of chrysanthemum, 1 to 3 parts of manchurian wildginger, 1 to 3 parts of liquoric root and 6 to 8 parts of fresh ginger. The Chinese medicament has the advantages of no toxic or side effects, convenient administration, easy absorption, quick response, good curative effect and low price; and follow-up visit shows that cured patients have no recrudescency up to now.

The invention provides a pH controlled release microcapsule type macromolecular saline-alkaline soil modifier and a preparation method thereof. The pH controlled release microcapsule type macromolecular saline-alkaline soil modifier is made by the following raw materials in parts by weight: 300 parts of organic polymer, 50-100 parts of an active divalent cation material, 0.05-5 parts of a catalyst, 300-2000 parts of an organic solvent, 0.05-4 parts of a surfactant, 0.05-2 parts of a cross-linking agent, 10-250 parts of a pH sensitive material and 100-1000 parts of water. According to the pH controlled release microcapsule type macromolecular saline-alkaline soil modifier, the release rate of active cations can be controlled according to the change of the pH value of the soil, so that the long-acting property of replacing sodium ions in the colloidal particles of the saline-alkaline soil can be achieved; meanwhile, a polymer material polymerizes small-particle-size aggregates to form stable large-particle-size aggregates, so that the porosity of the soil is increased, and the problems of high salinity of the saline-alkaline soil, poor soil structure and the like are solved. The saline-alkaline soil modifier provided by the invention has the advantages of strong desalting capacity, excellent soil particle polymerization property, long action effect, good environmental benefit andwide application prospect.

The invention relates to a sophocarpidine alkaloid vaginal expansion suppository as well as a preparation method and a detection method thereof. The expansion suppository comprises sophocarpidine alkaloid, a matrix and an expansion carrier; the expansion suppository further comprises an acid additive which can be used for inhibiting the sophocarpidine alkaloid from being oxidized and reducing the irritation of the sophocarpidine alkaloid to the vagina; the expansion suppository further comprises carbomer and polysorbate 80; the carbomer not only play a role of a binder, but also can form an internal salt with the sophocarpidine alkaloid, the release time of the sophocarpidine alkaloid is prolonged, the action time of the sophocarpidine alkaloid to the vagina is prolonged, and meanwhile, the irritation of the sophocarpidine alkaloid to the vagina can be reduced; the polysorbate 80 can be used for promoting the vagina to absorb the sophocarpidine alkaloid; the sophocarpidine alkaloid vaginal expansion suppository employs seven unique leading technologies and has the effective effects of preventing medicinal liquor from overflowing, being high in stability and durable in curative effect and the like.

The invention provides an antibacterial agent for sanitary napkins. The antibacterial agent provided by the invention is made from the following raw materials of: by weight, 15-45% of a clathrate, 45-81% of a soluble starch, 2-8% of citric acid, 0.21-0.84% of sodium citrate, 1-2% of carbomer and 0.5-1% of potassium sorbate. The invention also provides a preparation method, which comprises the following steps of: preparing triclosan and cyclodextrin or its derivative into the clathrate by a coprecipitation method, mixing the clathrate with citric acid, sodium citrate, potassium sorbate, carbomer and the soluble starch, granulating, finishing, and finishing particles to obtain the antibacterial agent for sanitary napkins. The invention has the following beneficial effects: the Antibacterial agent for sanitary napkins is designed in allusion to safety risks during the application period of sanitary napkins and can effectively control microbial growth for up to 8 hours during the application period. Safe, high-efficiency and wide spectrum triclosan is selected as an antibacterial component. The beta-cyclodextrin clathrate compound is adopted to enhance the water-solubility of the antibacterial agent. The antibacterial agent provided by the invention has a substantial antibacterial effect and is long-acting.

The invention discloses a method for preparing special pearl nuclei for cultivating blister pearls. The method comprises the following step of: coating colored luminous paint, luminous and fluorescent paint and magnetic paint on conventional blister pearl nuclei serving as seed nuclei to form colored luminous blister pearl nuclei, luminous blister pearl nuclei and magnetic luminous pearl nuclei respectively. The pearl nuclei are safe and non-toxic. High-quality special blister pearls can be cultivated by treating the pearl nuclei with an immunizing agent and performing nucleus insertion. The technology can greatly increase the additional value of the blister pearls.

The present invention relates to a tamsulosin hydrochloride sustained-release preparation, a preparation method and applications thereof. The preparation comprises, by weight, 5-95% of framework type medicine-containing sustained-release micro-pills, 1-20% of a film control type sustained-release coating film, and 1-10% of a medicine-containing rapid-release layer, wherein the framework type medicine-containing sustained-release micro-pills comprise 0.01-1% of tamsulosin hydrochloride, 5-50% of a sustained-release material, 1-10% of an adhesive, and 5-50% of a pore forming agent, the film control type sustained-release coating film comprises 1-40% of a sustained-release material, 1-5% of a plasticizer, 10-60% of a pore forming agent, and 1-5% of an anti-adhesion agent, and the medicine-containing rapid-release layer comprises 0.01-1% of tamsulosin hydrochloride, 1-95% of a rapid-release material, and 1-10% of an adhesive. The tamsulosin hydrochloride sustained-release preparation has advantages of fast, stable, sustained, and long-lasting effect, low side effect, controllable quality, suitability for mass production and the like.

The invention relates to a slow release natural pesticide, consisting of patchouli essential oil, an emulsifying agent and a slow release formulation; wherein, the emulsifying agent is non-ionic surfactant, the slow release formulation is alginate, cellulose or cyclodextrin. The preparation method comprises the following steps: 0.1 percent to 7.0 percent of patchouli essential oil is dispersed into the non-ionic surfactant, and the obtained mixture is mixed with the alginate, cyclodextrin or cellulose, then the mixture is dried and granulated; the preferable condition is that 0.25 percent to 4.00 percent of patchouli essential oil is dispersed into 4.0 percent to 10.0 percent of polyoxyethylene sorbitan monooleate, the obtained mixture is mixed and stirred with sodium alginate or Beta-cyclodextrin or carboxymethyl cellulose for 5 to 20min at the temperature of 10 to 100 DEG C and with the speed being 500 to 2,000r / min, then the mixture is dried and granulated. The slow release natural pesticide has the advantages of single object organism, safe non-target organism, high activity, no residue and easy degradation, and is applicable to long and effective prevention of crop diseases.

The invention relates to a TPU thin film with light reflection and thermal insulation functions and a preparation method thereof. The TPU thin film is prepared from, by weight, 50-100 parts of polyester glycol, 15-30 parts of diisocyanate, 5-35 parts of a chain extender, 1-5 parts of molybdenum disulfide micro powder, 1-5 parts of white carbon black, 2-5 parts of metal oxide-modified diatomaceous earth powder, 2-5 parts of dibutyl phthalate, 0.5-1 parts of a titanate coupling agent, 1-5 parts of talcum powder and 1-5 parts of sepiolite. The TPU thin film has the excellent light reflection and thermal insulation functions.

The invention discloses a traditional Chinese medicine composition for curing migraine, which comprises the following traditional Chinese medicinal materials according to weight portion: 20 to 30 portions of oriental paperbush flower, 20 to 30 portions of selfheal, 20 to 30 portions of wild chrysanthemum flower, 15 to 20 portions of negundo chastetree fruit, 10 to 15 portions of nutgrass galingale rhizome, 8 to 12 portions of burdock, 5 to 12 portions of tussilago farfara, 3 to 10 portions of honeysuckle, 5 to 7 portions of platycodon root, 2 to 5 portions of patchouli, 2 to 6 portions of ginger, 4 to 8 portions of caulis bambusae in taeniam, 3 to 8 portions of wild ginger, 3 to 7 portions of semen benincasae, 3 to 5 portions of peach kernel, 1 to 3 portions of foeniculum vulgare, 1 to 3 portions of long pepper, 1 to 3 portions of Chinaberry fruit and 1 to 3 portions of aster. Clinical application and observation show that the traditional Chinese medicine composition has the advantages of quick, excellent and thorough curative effects.

The invention relates to a method for performing quick anaerobic fermentation on chicken manure by supplying a carbon source by using straws. The fermentation method of composting the straws and then mixing the straws with the chicken manure comprises the following steps of: crushing the harvested straws by a manual or mechanical method, wherein the crushed straws are 1 to 2 centimeters in length; wetting the crushed straws according to the weight ratio of the material to the water of 1:2 with an inoculum; stirring and sealing to compost for 3 to 7 days; throwing the composted mixture of the straws and the inoculum into a fermentation tank; adding a proper amount of fresh chicken manure and adding water to prepare a mixture with the water content of about 91 to 95 percent; and performing wet type anaerobic fermentation at the temperature of 35+ / -5 DEG C under stirring to produce methane, wherein the methane is produced within 12 hours during fermentation and the fermentation time is 12 hours to 5 days. By the method, the methane yield of the chicken manure is increased; gas-producing speed is increased; acidification is performed difficultly; and straw solid content and chicken manure solid content can be further reduced. The method has the advantages of quick response, low cost, simple using method, easiness in popularization and the like and can be popularized and applied.

The invention relates to a bactericide composition comprising iprodione and epoxiconazole, The method is characterized in that: the weight percentage of the iprodione and epoxiconazole active ingredients is 1-80:1-80. The iprodione and epoxiconazole compositions after being combined have obvious synergism. The composition is used for the prevention and treatment of such ordinary diseases of fruit tree and vegetables as botrytis, a lternaria leaf spot, leaf spot and scab, expand sterilization list, obviously reduce usage amounts and using times of medicines and cost, retard the drug resistance of diseases and are adapted to be widely used.

The invention relates to a method for preparing a pesticide sustained or controlled release material. A method for preparing a pyraflufen-ethyl pesticide sustained or controlled release composite material is characterized by comprising the following steps of: 1), dissolving pyraflufen-ethyl into water, and then ultrasonically dispersing the pyraflufen-ethyl to obtain suspension containing the pyraflufen-ethyl; 2), loading the solution containing the pyraflufen-ethyl to kieselguhr granules by adopting a 'negative pressure-freeze drying method' to obtain pesticide-loaded kieselguhr granules; and 3) mixing and stirring sodium alginate solution and the kieselguhr granule suspension to obtain a gel system; dripping the obtained gel system into calcium ion cross-linker solution by using an injector to obtain ionic cross-linking gel particles of alginic acid / pesticide-loaded kieselguhr granules; and moistening and washing the gel particles by distilled water, and drying the gel particles with vacuum to obtain the pyraflufen-ethyl pesticide sustained or controlled release composite material. The system can control the sustained release of the pesticide and improve the pesticide effect. The method solves the problems of excessive usage times, overlarge dose, low pesticide utilization rate, poor effect and pollution caused by pesticide loss.

The invention relates to a traditional Chinese medicine preparation, in particular to a codonopsis pilosula polysaccharide pill. The invention solves the problems of different disadvantages on clinical application of the current codonopsis pilosula polysaccharide preparation adopting tablets, oral liquid, parenteral soluation. The codonopsis pilosula polysaccharide pill comprises codonopsis pilosula polysaccharide and base material, wherein the weight ratio of the codonopsis pilosula polysaccharide to the base materials is 1:1 to 1:8, and the base material is any one of polyethyleneglycol 6000, polyethyleneglycol 4000, stearic acid, sodium stearate, glycerogelatin, polyoxyethylene monostearate and glycerin monostearate. The preparation method comprises the following steps: mixing the codonopsis pilosula polysaccharide and the base material in proportion; heating and melting the codonopsis pilosula polysaccharide and the base material in water bath with the temperature of 70 to 100 DEG C, and then dipping the mixture into condensing agent at the speed of 20 to 60 drops per minute; cooling the temperature to 10 to 15 DEG C, and forming; and removing the condensing agent. The traditional Chinese medicine preparation has the advantages of clean and bright appearance, beauty, portability, easy taking, quick deconcentration and good absorption in oral cavity and stomach, high bioavailability, stable preparation, few side effect, insurance of the quality of the medicine, high stability, quickness, high efficiency and controlled release.

The invention discloses a modified biomass charcoal-based saline-alkali soil improver, which is prepared from the following materials in percentage by weight: 10 to 40 percent of organic acid modifiedbiomass charcoal, 30 to 70 percent of desulfurized gypsum and 10 to 40 percent of an acidic organic fertilizer. The invention also discloses a preparation method of the improver and a saline-alkali soil improvement method based on the improver. The improver can significantly reduce the pH value of saline-alkali soil, reduce the total salt content and improve the plant emergence rate.

The invention belongs to the field of agricultural bactericides, and provides a bactericidal composite comprising penconazole and thiophanate-methyl, wherein, the weight percentage of the penconazole and the thiophanate-methyl is 0.1-80: 15-80. In addition to effective components, other additives and carriers are added to be prepared into a suspending agent, a wettable powder and a water dispersible granule, which is applied to the disease control of fruit trees, melons and wheat, the bactericidal composite is characterized by curing and protection effects on crop pests, wide bactericidal spectrum, remarkable effect, extremely strong bactericidal power, low service cost and no damage to crops and environment.

The present invention relates to polyolefin antibacterial master batch, preparation thereof, and an application thereof for preparing an antibacterial polycondensate. The present invention is to produce a guanidine salt oligomer. By grafting the guanidine salt oligomer onto the molecular chain of polyolefin, the polyolefin antibacterial master batch is obtained to achieve long-time antibacterial and non-leaching purposes; then the polyolefin antibacterial master batch is subjected to melt blending with the polycondensate to prepare a long-acting antibacterial polycondensate. The antibacterialpolyester, or the antibacterial nylon, or the antibacterial polymer alloy prepared by the present invention has a non-dissolving, long-acting, and rapid antibacterial effect as compared with the priorart. The technical scheme is simple, flexible and easy to operate. By using the melt reaction and the melt blending method, the preparation process does not involve the use of a solvent; therefore, the method is non-polluting, non-toxic, environmentally friendly, and easy to be industrially produced on a large scale.