187 results about "Phorate" patented technology

The selenium-rich rice cultivating process includes conventional cultivation and features that the selenium-rich agent is sprayed once during the earing up and flowering period of rice. The selenium-rich agent comprising selenium-containing inorganic compound and phosphate is dissolved in water of 50-90 times and sprayed to leaf of rice during the earing up and flowering period of rice. In case of rainy day after spraying, replenished selenium-rich agent is sprayed timely. The sprayed inorganic selenium will be converted completely into natural organic selenium, and the produced selenium-rich rice is non-toxic, and has the health functions of preventing common cold, preventing and treating hypertension and myocardial pathological changes, etc.

The present invention discloses a phosphate or metaphosphate based visible-ultraviolet up-conversion luminescence material doped with rare earth ions, wherein phosphate or metaphosphate serves as a substrate, and the substrate material is doped with Pr<3+>; a molar ratio of phosphate or metaphosphate to Pr<3+> is (0.9-3):(0.01-0.1). The present invention further provides a preparation process of the material, comprising: (a) according to the chemical formula, weighing oxide materials of corresponding elements and ammonium dihydrogen phosphate according to a stoichiometric ratio; and (b) grinding the weighed materials, burning the ground materials at the temperature of 850 to 950 DEG C for 2.5-4 h, cooling the materials to the room temperature, and grinding the materials to obtain a powder-like up-conversion luminescence material. It is experimentally proved that when excited by a common light source (such as an incandescent lamp, an xenon lamp, a fluorescent lamp and an LED lamp), especially by sunlight, the material can emit ultraviolet light UVC that can effectively kill bacteria; and the material has a broad application prospect in the fields of food safety and environmental protection.

The invention provides a compound bacterial agent for purifying a black and odorous water body and a preparation method thereof. The compound bacterial agent comprises the following components: actinomycetes, bacillus subtilis, nitrifying bacteria, lactic acid bacteria, candida utilis and pseudomonas aeruginosa in a weight ratio of 2:2:2:1:1:1. The invention has the following advantages: the COD content, ammonia nitrogen content and phosphate salt in the black and odorous water body can be effectively reduced, and the odor of the black and odorous water body can be eliminated; and meanwhile, by adding the ammonia nitrogen removal strain, the transparency of the water body can be gradually improved.

The invention describes a new method for treating sludge, which can result in the production of high nitrogen organically-augmented inorganic fertilizer that incorporates municipal sludges or biosolids or organic sludges that can compete with traditional fertilizers such as ammonium phosphate, ammonium sulfate and urea on the commodity fertilizer marketplace. The method takes advantage of the thixotropic property of dewatered biosolids or organic sludge to create a pumpable paste-like material from the biosolids or organic sludge that is then treated with an oxidizer to reduce odorant effects and an acid. This mix is then interacted with concentrated sulfuric and or phosphoric acids and an ammonia source or alternatively a hot or molten melt or salt of ammonium sulfate/phosphate to form a fertilizer mix. The present invention controls the heat, atmospheric pressure and retention time of the fertilizer mix in the reaction vessel. When a fertilizer melt is formed ammoniation is subsequently completed by the specific use of vaporized ammonia. The invention can also be an add-on to commercial production of ammonium salts. The fertilizer produced by the present invention contains more than 8 wt. % nitrogen and preferably 15 wt. % nitrogen. The invention is oriented to be tailored to the biosolids production for individual municipal waste treatment plants in order to keep the fertilizer manufacturing plants of the present invention small with a minimization of logistics and liability.

A method for preparing copper powder and ferrous sulfate by using a solution leached through a sludge containing copper wet method comprises the following steps that firstly, the solution is leached through the sludge containing copper wet method and filtered; the filtered leaching agent is transferred into a reactor, iron powder is added for a replacement reaction, the concentration of Cu2+ in the leaching agent is reduced to be less than 0.5 g/L after the reaction is complete, solid-liquid separation is conducted, and the copper powder and the replaced solution are obtained; a reducing agent is added to the replaced solution, and the redox potential in the replaced solution is controlled to be reduced to be less than 400 mV; the replaced solution is transferred to an impurity removal reaction tank, heating is conducted, an inorganic solution containing phosphate radical is slowly added, solid-liquid separation is conducted, and phosphate precipitate and impurity-removed liquid are obtained; and the concentration of Fe2+ ions in the impurity-removed liquid is increased to be greater than 300 g/L after evaporation and concentration, transferring to a cooling system is conducted for crystallization, and a ferrous sulfate heptahydrate product is obtained after washing. By the adoption of the method, the cost is low, environmental protection is achieved, the added value of products is high, and resource utilization of waste resources can be achieved.

The invention relates to a pseudomonas aeruginosa with heterotrophic nitrification-aerobic denitrification and dephosphorization functions under different dissolved oxygen conditions and application of the pseudomonas aeruginosa. The bacterial strain can carry out growth metabolism by using organic carbon as a unique carbon source and ammonia nitrogen as a unique nitrogen source, the ammonia nitrogen can be respectively converted into gas products through the heterotrophic nitrification-aerobic denitrification effect under different dissolved oxygen conditions such as the oxygen deficit condition, the microaerobic condition and the aerobiotic condition, and the goal of denitrification is reached. The bacterial strain can also carry out growth metabolism by using nitrate nitrogen as a unique nitrogen source, the nitrate nitrogen can be converted into gaseous products through the dephosphorization effect under the oxygen deficit, microaerobic and aerobiotic conditions, and the goal of denitrification is reached. Meanwhile, the bacterial strain can also reach the goal of removing phosphate in water through converting inorganic phosphorus into self components under different dissolvedoxygen conditions. Therefore, the bacterial strain can be used for synchronously removing elements such as carbon, nitrogen and phosphorus in the water under different dissolved oxygen conditions, and wide application prospects are realized in the wastewater treatment.

The invention relates to a method for preparing an antibacterial material by using nanometer calcium carbonate as a basal boy, which belongs to the field of biocide containing inorganic compounds. The method comprises the following steps: a dispersant is added to Ca(OH)2 slurry and is carbonized by pumping CO2 to prepare the slurry of the nanometer calcium carbonate basal body; titanium salt or/and zinc salt, silver salt and phosphate or phosphoric acid are mainly added to the slurry, or silicate is also added to the slurry; after 1 to 4 hours of reaction of the slurry, the slurry is sucked, filtered and dried so as to obtain the antibacterial material using the nanometer calcium carbonate as the basal boy. The method has lower cost, simple technology and low energy consumption, and the prepared antibacterial material product has higher antibacterial performance, higher whiteness and wide range of application.

The invention relates to a medicated chicken meatball and a preparation method thereof. The medicated chicken meatball is processed and made according to the following raw materials in parts and mix proportion by weight: 50-70 parts of chicken breast meat, 20-30 parts of chicken skin, 5-10 parts of yam flour, 5-10 parts of hawthorn powder, 60-80 parts of starch, 3-6 parts of salt, 1.5-3 parts of white sugar, 0.1-0.3 part of monosodium glutamate, 1-1.5 parts of phosphate, 0.04-0.1 part of carrageeenen, 0.01-0.04 part of ball gelatin, 0.2-0.4 part of shallot powder, 0.1-0.2 part of ginger powder, 1-3 parts of soy sauce, 100-120 parts of ice water and 1-3 parts of sesame oil. Since the food materials of hawthorn and yam which belong to the homology of medicine and food contained in the product, lipid dissolution, blood-lipid lowering, blood vessel extension, blood pressure lowering, suppression of blood-glucose elevation after meal and promotion of gastric and intestinal digestion can be effectively realized, and the efficacies of invigorating the spleen and nourishing the stomach are provided. The nutritional ingredients of the product is guaranteed to the maximum extent due to the adoption of the cooking approaches of steaming and boiling, and the product has the characteristics of unique mouthfeel, simpleness in processing, convenience for eating, nutrition, wholesomeness and the like, thereby being convenient for industrialized production and popularization.

The invention discloses a pesticide wastewater dephosphorizing agent which is a mixture. The mixture comprises a compound medicament, a flocculating agent and a water aqua according to the weight ratio of 25 : (0.5-1.5) : 250. According to the production process, raw materials and the like of the phosphorus containing pesticide, the characteristic of wastewater and the form of phosphate are analyzed, optimal pharmacy prescription is screened aiming at the nature difference of inorganic phosphorus and organic phosphorus, and ferric salt, aluminium salt, hydrogen peroxide, hydrogen peroxide and polyacrylamide are adopted to form the compound medicament integrating an efficient complexing agent, an oxidizing agent, an adsorbing agent and the flocculating agent as a whole, and the total phosphorus content of pesticide wastewater is greatly reduced. The pesticide wastewater dephosphorizing agent has the characteristics that the investment cost is lower, the operating cost is saved, and the generated sludge quantity is less, the effluent of the organic phosphorus pesticide wastewater treated through the dephosphorizing agent can reach the standard request of being lower than 1 mg/L, and the pesticide wastewater dephosphorizing agent has important significance on stable operation of pesticide industry production.

A bactericidal preparation mainly composed of peracetic acid, containing peracetic acid, at least one phosphate and at least one nonionic surfactant. The bactericidal preparation can be diluted into a working solution containing peracetic acid, and the concentration of peracetic acid can destroy bacterial spores and acid-resistant bacteria, while maintaining the concentration of the working solution for at least 7 days.

The invention discloses a flavored morchella raw fish which is prepared from the following raw materials in parts by weight: 90-110 parts of frozen tuna, 15-16 parts of lyophilized royal jelly powder, 22-24 parts of grape pulp, 8-9 parts of morchella, 5-7 parts of steamed bun, 9-11 parts of mango juice, 17-18 parts of walnut kernel, 7-8 parts of honey, 0.5-1 part of a mulberry root, 0.4-1 part of penthorum Chinese pursh, 1.8-2 parts of wax gourd seeds, 0.2-0.3 part of sodium glutamate, 0.1-0.3 part of ethyl maltol, 0.1-0.2 part of phosphate, 1-2 parts of lactic acid bacteria, 300mmol/L of CaCl2 solution, refined salt and a proper amount of sugar. The flavored morchella raw fish has the advantages of unique taste, long shelf life and good health effect; the flavored morchella raw fish is unfrozen by a pickling method and is pickled by an injection method; the technology is unique and novel; the value-added space and the extension benefits of the raw fish product are increased; and due to the addition of traditional Chinese medicine components such as mulberry root and penthorum Chinese pursh, walnut kernel is endowed with the health effects of moistening the lung for removing phlegm and clearing away heat and toxic materials.

The antiseptic has nano level hydroxyapatite as carrier and added antiseptic metal salt accounting for 1-8 wt%. The crystal is granular and the antiseptic metal ions enter to the crystal lattice of hydroxyapatite. The preparation process includes the steps of dropping calcium nitrate solution into phosphate solution of pH value of 11-12 for reaction to produce hydroxyapatite, washing with water and deposition, stoving, crushing, high-temperature calcination, superfine crushing, etc. The product has high whiteness, fine grain size and delay released antiseptic effect. It may be used as the functional additive for fiber product, plastic, white household appliance, antiseptic building material, water treating agent, ship protecting agent, etc.

The invention relates to a phosphorus-solubilizing and potassium-solubilizing and nitrogen fixing organic functional fertilizer obtained by means of straw fermentation. The fertilizer is prepared from the following components in parts by weight: 100 parts of straw chips, 0.03-0.04 part of a compound microbial agent for soil improvement, 05-2.0 parts of phosphate, 6-12 parts of coal ash, 5-10 parts of sepiolite, 5-15 parts of peat and 5-12 parts of bentonite. The fertilizer provided by the invention has the technical effects that (1) the straw raw material is pre-treated by using alkaline substances, so that the straw raw material is easier to ferment subsequently, and the fermentation efficiency is improved; and (2) a special microbial flora is adopted for compatibility, so that the fermentation efficiency is improved; the overall fermentation process can be completed by primary fermentation without conventional secondary or even third fermentation, so that the unexpected technical benefits and remarkable progress are gained. Therefore, the time and cost are greatly saved, the craft process is simplified, and the fertilizer is convenient to popularize and use, so that the economic benefit is improved.

The present invention is preparation process of superfine compound inorganic antibiotic. Technologically, the present invention is that silver ion as depositing crystal nucleus is coated with titanium or other metal ion obtained with urea as precipitant and phosphate as secondary coating, and re-compounded with surfactant, and through dewatering, drying, calcining at 700-1100 for 2-10 hr, superfine antibiotic powder is prepared. The prepared antibiotic powder has relatively high bacteria and fungi killing effect, is superior to available silver antibiotic and titanium antibiotic, and may be used widely in fabric, plastic, paint, enamel, water processing and other fields.

The invention provides a preparation method of a liquid fertilizer with a humic acid-urea complex as the matrix. According to the preparation method, a humic acid-urea complex aqueous solution is firstly prepared by using phosphate as an activator and using humic acid raw material coals and urea as the main raw materials, and then the humic acid-urea complex aqueous solution undergoes a reaction with other raw materials to prepare the humic acid-urea complex liquid fertilizer. The invention has the following advantages: the used humic acid raw material coals (weathered coal, brown coal and peat) are rich in resources, cheap and easily available; the preparation method provided by the invention has characteristics of short production process flow, simple equipment operation, no discharge of pollutants during the production process, no environmental pollution and low production cost, and is suitable for large-scale industrial production; the product provided by the invention has comprehensive nutrient elements and high content of water-soluble humic acid, is easy for crops to absorb, has conspicuous fertilizer effects, can be used to improve the soil structure, stimulate crops to absorb nutrients, promote the growth of crops, raise the drought resistance and stress resistance of crops, increase the output and enhance the crop quality.

The invention discloses an enzyme-linked immunosorbent assay kit for detecting diethoxy phosphorothioate organic phosphorus pesticide, which comprises a kit body, an ELISA plate coated with the antigen of the diethoxy phosphorothioate organic phosphorus pesticide, an antibody solution against diethoxy phosphorothioate organic phosphorus pesticide, a second anti-solution, a standard solution, a concentrated extracting solution, a substrate solution, a buffer solution of the substrate, a concentrated washing liquid and a stopping liquid. The organic phosphorus pesticide refers to the organic phosphorus pesticide containing the common structure of diethoxy phosphorothioate, in particular parathion, coumaphos, quinalphos, triazophos, phoxim, dichlofenthion, phorate, chlorpyrifos, bromophos ethyl, isazofos, diazinon, sulfotep and a mixture thereof. The enzyme-linked immunosorbent assay kit can be used to detect the organic phosphorus residues in fruits, vegetables, soil and water, and isconvenient in operation, high in sensitivity, low in price and is suitable for high-throughput screening monitored on spot.

The invention discloses a long after-glow phosphorescent material and a preparation method thereof. The chemical formula of the long after-glow phosphorescent material is A3-x-y(PO4)2:xEu2+,yB, wherein A is one or more of alkaline earth metal ions of Ca2+, Sr2+ and Ba2+; B is one or more of Tb3+, Gd3+, Dy3+, Ce3+, Pr3+ and La3+; x is more than 0 and less than or equal to 0.3; and y is more than or equal to 0 and less than or equal to 0.3. The long after-glow phosphorescent material has stable performance, high waterproofness, moisture resistance and high-temperature resistance, and zero radioactivity and cannot harm human bodies and environment; moreover, the preparation method is simple, easy to implement, low in equipment requirement and environment-friendly.

The invention relates to an iodine-containing disinfectant, in particular to a povidone iodine disinfectant and a preparation method thereof. The povidone iodine disinfectant is a stable type povidone iodine disinfectant which contains the following components according to percentage by weight (wt percent): 8.0 to 13.0 percent of the PVP-I, 0.5 to 1.0 percent of KIO3, 0.5 to 1.0 percent of KI,1.0 to 5.0 percent of glycerin, 5.0 to 15.0 percent of phosphate buffer and the margin is water. The preparation method of the stable type povidone iodine disinfectant comprises the steps as follows: a. the PVP-I and the KIO3 are dissolved in purified water; b. NaOH aqueous solution is used for adjusting pH to 6.0; c. the glycerin and the phosphate buffer are added into and stirred evenly; and d. the KI is added into and stirred evenly. The disinfectant can not only guarantee the stable iodine content of the povidone iodine disinfectant but also can guarantee the stable pH value of the iodine-containing disinfectant.

The invention discloses a preparation method of a sodium hyaluronate gel. The method comprises the steps that: (1) a cross linking agent is dissolved in an alkaline solution; a sodium hyaluronate raw material is added and dissolved; and the mixture is subjected to constant-temperature heating, such that a molded material is prepared; (2) the molded material is cut into blocks; the blocks are placed in a solution with physiological saline and phosphate with a certain ratio; and after 20-22h, a gel is prepared; (3) the obtained gel is subjected to particle grading by using a sieve, such that sodium hyaluronate gel particles are obtained; (4) a sodium hyaluronate raw material is added and dissolved in injection water, such that sodium hyaluronate hydrogel is obtained; (5) the sodium hyaluronate obtained in the steps (3) and (4) are mixed and cross-linked, such that a sodium hyaluronate gel is obtained; and (6) the obtained gel is sterilized under a temperature below 121 DEG C, such that the sodium hyaluronate gel is obtained. With the method, the prepared sodium hyaluronate gel is advantaged in relatively high thermal stability, relatively high degradation resistance, and good biocompatibility. The gel can swell in water, but cannot be dissolved. The gel has better rheological characteristic, and substantially improved mechanical strength.

The invention relates to a gas chromatographic method for detecting the residue amount of nine kinds of organophosphorus pesticide in rice. Qualitative and quantitative detection on the pesticide residues of dichlorphos, acephate, omethoate, dimethoate, phorate, malathion, fenitrothion, isocarbophos and triazophos is achieved. The gas chromatographic method is characterized in that acetonitrile is used as extractant, extracting solutions are concentrated through a gas blowing concentrator, and after volume metering is carried out through acetone, trace analysis is directly carried out on a gas chromatograph. The gas chromatographic method has the advantages that the separating effect of a chromatographic column on a target object is good, the detection result is high in accuracy, reproducibility is good, and method sensitivity meets the technical requirement of multi-pesticide-residue detection; compared with the method of GB/T5009.145-2003 national standards (the detection of multiple kinds of residues of organophosphorus and carbamates pesticide in plant food), the gas chromatographic method is simpler, simplifies the pre-processing processes of samples, shortens detection time, and saves cost.

The invention discloses application of a plant immune resistance inducer in prevention and control of damping-off and blight of cucumbers. The plant immune resistance inducer is prepared from the following active ingredients in percentage by weight: 0.001 to 0.025 percent of amino-oligosaccharin, 0.01 to 0.25 percent of phosphite and 0.01 to 0.25 percent of phosphate. Each component of the immune resistance inducer obtained by combining the amino-oligosaccharin, the phosphite and the phosphate is mixed in a reasonable proportion, so that a good prevention and control effect on damping-off and blight of the cucumbers can be achieved, an emergence rate and a seedling rate of the cucumbers can be increased, and seedling quality of the cucumbers can be improved.

The invention belongs to the technical field of nanometer materials, in particular to a novel horseradish peroxidase magnetic nanometer flower and a preparation method and application thereof. The invention adds HRP into the configured phosphate buffer solution. And then the synthesized magnetic composite microsphere Fe3O4 + PMG + IDA-Cu<2+> is added into that reaction solution, the temperature ofthe thermostat is adjusted. And the reaction is continue for a certain time to obtain magnetic nano flowers; And was used to degrade bisphenol A pollutant. The enzyme activity and catalytic activityof the nano flower prepared by the invention are obviously improved. And the stability under different conditions is also obviously improved. And the enzyme activity can reach 183% of free enzyme; Degradation of more than 90% bisphenol A in 25 minutes is much better than that of free enzymes.

The invention specifically relates to a preparation method for a gelatin/hydroxyapatite composite coating used for the surface of a bone tissue engineering scaffold. According to the invention, the composite coating is prepared through in-situ synthesis with a novel bone tissue engineering scaffold as a matrix material and gelatin, a calcium salt and phosphate as main raw materials; a calcium salt solution and a phosphate solution are added into a gelatin solution, and a composite coating solution is synthesized under the condition of heating; then the surface of the scaffold is subjected to amination and aldehydation modification; the gelatin/hydroxyapatite composite coating is finally loaded onto the surface of the scaffold; and since the surface of the scaffold is loaded with gelatin and nanometer hydroxyapatite, the defect of poor affinity between artificial synthetic high polymer materials and bone tissue is overcome, and the prepared scaffold can meet requirements of clinical medicine on cell affinity, biocompatibility and the like.