64results about How to "High dilution factor" patented technology

The invention relates to a water-soluble plant growth nutrient solution and a preparation method. In the plant growth nutrient solution, the content of small molecular weight water-soluble chitosan accounts for 8-120g / L, the sum of the content of nitrogen, phosphorus and potassium is larger than or equal to 60g / L, the sum of the content of medium trace elements accounts for 3-30g / L, the content of organic matter accounts for 30-200g / L, the content of plant growth regulator accounts for 0.01-5g / L, and the content of spread penetrating agents is larger than or equal to 0.2g / L; the small molecular weight water-soluble chitosan is obtained through the preparation steps that chitosan is firstly subjected to alkalization of strong base, then subjected to carboxyl chemical modification, degraded through strong oxidant after carboxyl chemical modification and finally neutralized through acid. The water-soluble plant growth nutrient solution integrates the effects of nutritional complement, growth promotion, antibiosis, virus resistance, stress tolerance and the like and has multiple functions and effects of improving soil, preventing hardening, increasing ground temperature, resisting to disease, being tolerant to stress, resisting to continuous cropping, supplementing nutrition rapidly, raising the yield and improving fruit quality and the like.

The invention discloses an immune-fluorescence test strip component for rapidly detecting C-reactive protein quantitatively, a detection card component produced by the same and a method for preparing the same. The test strip component comprises a test strip and a platinum porphyrin marked specific antibody independently packed. The test strip comprises a bottom lining, a water absorption pad, coating analysis film and a sample pad. The coating analysis film is provided with a detection line and a quality control line, a specific antibody coated by the detection line is a C-reactive protein resistance monoclonal antibody, and a specific antibody coated by the quality control line is a rabbit intravenous gamma globulin (IgG) antibody; the detection card component comprises a test strip, a card box composed of a cover plate and a back plate and a latinum porphyrin marked specific antibody independently packed. The test strip component for detecting C-reactive protein in body fluid has the advantages of being simple in operation, rapid, sensitive, good in specificity and the like, and having good clinical application prospect.

The invention provides an environment-friendly efficient train cleaning agent. The cleaning agent is formed by, by weight, 10% to 15% of compound organic chelating agents, 35% to 45% of surface active agents, 5% to 8% of corrosion inhibitors, 8% to 14% of cleaning auxiliaries, 3% to 5% of anhydrous ethanol, and the balance deionized water, wherein the corrosion inhibitors are formed by, by mass fraction, 13-17 parts of urotropine, 28-32 parts of sodium metasilicate pentahydrate and 53-57 parts of benzotriazole. The invention further provides a preparation method of the cleaning agent. The surface of a train body is not damaged by the environment-friendly efficient train cleaning agent, meanwhile, cleaning efficiency is high, the dilution ratio is high, the cleaning agent can be diluted by 20-30 folds through tap water when used normally, and using cost is reduced.

The invention provides a high-property water-based metal die-casting releasing agent and further discloses a preparation method and application of the metal die-casting releasing agent. The high-property water-based metal die-casting releasing agent comprises the components of a functional organic composition, an assistant and a solvent. The functional organic composition comprises high-temperature-resisting resin, high-temperature-resisting silicone oil, mineral oil, animal and vegetable grease and the like, the assistant comprises a non-ionic surface active agent, a defoaming agent, a preservative, a sterilizing agent and the like, and the solvent is specifically deionized water. The high-property water-based aluminum alloy die-casting releasing agent is light yellow grey emulsion, the kinematic viscosity is 5-38 mm2 / s, the particle size is 200-500 nm, and the emulsion is stable; and in the aluminum die-casting technological process, the good lubricating and die releasing propertiesare achieved, the good cooling and heat-insulating properties are achieved, the good high-temperature wetting and lubricating properties are achieved, die sticking and destruction under pulling are prevented, carbon deposit and coking are avoided, thus a casting is purely white and bright, smoke and pollution are avoided, the clean environment is kept, and use is convenient and fast.

A method of washing fabric articles in a tunnel washer includes moving the fabric articles from the intake of the washer to the discharge of the washer through first and second sectors that are a pre-wash zone. Liquid can be counter flowed in the wash interior along a flow path that is generally opposite the direction of travel of the fabric articles. The main wash zone can be heated as an option. In the wash zone, there is a pre-rinse and / or a rinse. The fabric articles are transferred to a water extraction device that enables removal of excess water. A sour solution can be added to the fabric articles while extracting excess water.

The invention relates to an environmentally-friendly cleaning agent special for a bullet train. The cleaning agent comprises 40 to 60 percent of surfactant, 20 to 30 percent of chelating agent, 5 to 10 percent of rust inhibitor and 5 to 10 percent of inorganic alkali, wherein the surfactant is sodium dodecyl benzene sulfonate; the chelating agent is disodium ethylene diaminetetraacetate; the rust inhibitor is urotropine; and the inorganic alkali is sodium metasilicate. The cleaning agent can effectively remove solid dirt on the shell of the bullet train, has the characteristics of no environmental pollution, environmental friendliness, wide raw material sources, high dirt-removing power, no corrosion to train bodies and the like, is safe and is convenient to use.

The invention relates to a dilution device for determination of a high-concentration water sample through a water-quality on-line analyzer. The dilution device comprises a dilution sample pipe, wherein the dilution sample tube is communicated with a peristaltic pump A and a sample feeding pipe; a pipe clamping valve A is arranged at the communication part of the dilution sample pipe and the sample feeding pipe; a discharging pipe is arranged on the dilution sample pipe; a pipe clamping valve B is arranged at the top end of the discharging pipe of the dilution sample pipe; a pipeline is communicated with the side wall of the dilution sample pipe; an optical detector is arranged on the pipeline of the side wall of the dilution sample pipe; a peristaltic pump B is communicated with the pipeline of the side wall of the dilution sample pipe; a peristaltic pump C is communicated with the inlet of the sample feeding pipe; an overflow pipe is arranged on the sample feeding pipe; a two-position three-way electromagnetic valve is arranged between the peristaltic pump B and the pipeline of the side wall of the dilution sample pipe. The dilution device has the advantages that the dilution ratio is high, on-line monitoring is realized, and the dilution precision is high.

The invention discloses a preparation method of water-based organosilicone stone protecting agent, wherein the protecting agent is prepared from, by weight, 50-75 parts of long-chain alkylsilane modified methyl silicate solution, 5-10 parts of silica sol, 5-10 parts of polyving akohol, 1-5 parts of water-based adhesive promoter. The stone protecting agent takes water as the dispersing agent, and is low in cost, safe and toxic-free; the processed stone is free from the change of appearance and color, and has good penetration performance, strong adhesive force, fast curing, and high dilution ratio; the protecting agent can form protection at the surface and the inner part of the stone, and comprehensively improve the protection performance.

The invention provides a door-lifting type dish-washing machine with a counting function. The dish-washing machine comprises a washing room, a washing room door matched with the washing room, and a water tank arranged on the bottom of the washing room, wherein a main washing mechanism and a spraying mechanism are arranged in the washing room, a spraying pump and a main washing pump are arranged inthe water tank, and the washing room is provided with a door magnetic switch matched with the washing room door and a plate basket bracket. During the work process of the dish-washing machine, through the change of one or more specific attributes in the dish-washing machine, the washing amount of the dish-washing machine is counted, wherein the specific attributes comprise the time, the door magnetic switch value, the bearing change of the plate basket bracket in the washing room, the variable quantity of the work state of the main washing pump, the change amount of the work state of the spraying pump, the consumed amount and times of medicines added in the main washing and spraying processes, and / or the medicine concentration of washing medicine liquid. The calculating for the washing times is realized according to the change of the specific attributes of the spraying type dish-washing machine, the specific number of the washed dining utensils is reckoned according to the calculatingfor the washing times, and thus the intelligent counting for the washing amount during the work process of the dish-washing machine is realized.

The invention provides a soilless cutting propagation method for Chinese roses, and belongs to the technical field of Chinese rose cultivation. The soilless cutting propagation method for the Chinese roses comprises the following steps of 1 seedling bed manufacturing, wherein an arched shred is built, a plurality of bed pools are made in the arched shred through partitioning of mud walls, crop straw is uniformly laid at the bottoms of the bed pools, fine sand is uniformly spread on the crop straw, the surface of the fine sand is leveled, and then seedling bed manufacturing is completed; 2 cutting, wherein cutting branches are disinfected with a potassium permanganate solution with the mass ratio of 1:(1,000-1,200) and then soaked in a carbendazim solution with the mass ratio of 1:(1,200-1,500) for 10-15 min, the cutting branches are taken out to be aired and then cut into seedling beds, the seedling beds are watered after cutting is finished, and the shred is sealed; 3 cultivating. According to the method, the cutting density is high, cutting is easy, the cutting survival rate is high, roots are not damaged during seedling lifting, the variety purity is high, and the transplanting survival rate is high.

The invention provides a serological method for identifying European- and American-type porcine reproductive and respiratory syndrome virus (PRRSV) antibodies. According to the method, a prokaryotic recombinant expression carrier pET-32a-JXA1-[delta]Nsp7 of an American-type PRRSV Nsp7 targeted at the amino acid sequences from a position 1 to 23 to a position 59 to 259 of American-type PRRSV nonstructural protein Nsp7 protein is established; and a prokaryotic recombinant expression carrier pET-32a-LV-[delta]Nsp7 of a European-type PRRSV nonstructural protein Nsp7 targeted at the amino acid sequences from a position 1 to 23 to a position 59 to 269 of European-type PRRSV Nsp7 protein epitope is established. Recombinant plasmid is successfully expressed in colon bacillus BL21 (DE3). The indirect ELISA diagnosis kit for detecting the American-type PRRSV antibody is prepared by taking a nickel column affinity-purified American-type Nsp7 protein as a coating antigen, and the indirect ELISA method for detecting the European-type PRRSV antibody is optimized by using purified European-type Nsp7 protein as a coating antigen. The two kits are can be used for genotyping and detecting PRRSV antibody.

The invention relates to a high-dilution-times aqueous liquid dust suppressant and a preparation and use method thereof, and belongs to the technical field of environmental protection. The high-dilution-times aqueous liquid dust suppressant is prepared from, by weight, 35-70 parts of hyperbranched resin, 0.1-5 parts of polyvinyl alcohol, 0.2-2.5 parts of surfactant, 0.5-3 parts of modified cellulose, 10-50 parts of antifreeze aid and 0.2-5 parts of preservative. The prepared high-dilution-times aqueous liquid dust suppressant has good moisturizing performance and wind erosion resistance.

The invention discloses a high solid content PVC glove powder-free aqueous coating. The high solid content PVC glove powder-free aqueous coating comprises 30-40wt% of a delustering agent, 15-25wt% of a wetting levelling agent, 15-25wt% of water-soluble resin, 20-30wt% of redispersible polyurethane resin, 0.2-0.5wt% of a solid thickening agent and 1.5-10wt% of water. The preparation method comprises uniformly dispersing and mixing a wetting levelling agent and an inorganic delustering agent, mixing the mixture and an organic delustering agent, carrying out uniform mixing, uniformly mixing the mixture, redispersible polyurethane resin, water-soluble resin and a solid thickening agent and packaging and storing the mixture. The invention discloses the use method of the high solid content PVC glove powder-free aqueous coating. The high solid content PVC glove powder-free aqueous coating solves the prior art problems, has high solid content, large dilution multiple and a low transport cost and can be simply fed.

The invention discloses a formula and a preparation method of an iodine complex solution. The formula comprises the specific components of 1-6 percent of iodine, 1-5 percent of potassium iodide, 20-40 percent of surface active agent, 5-20 percent of glycerol dimethoxymethane, 10-20 percent of glycerol, 0.2-0.4 percent of phosphoric acid and the balance of purified water. Because the surface active agent, the glycerol and the glycerol dimethoxymethane are used in the iodine complex solution, thus the iodine complex solution has the characteristics of strong stability, longer storage period, more thorough sterilization, large dilution factor, small consumption, high content of effective iodine, and the like; and the preparation method is simple and is suitable for industrialized production.

The invention provides a preparation method for a diluent for the milk goat artificial insemination technology. The method comprises the steps that glucose, sodium citrate and disodium edetate dehydrate are poured into a container, distilled water is added into the container, and enrofloxacin is added into the mixed solution to obtain a basic solution; vitamin C, vitamin B12, oxytocin and prostaglandin are added into an ethylene glycol solution to obtain a protective solution; then, kanamycin sulfate is added into skimmed goat milk to obtain a nutrient solution; finally, the basic solution, the protective solution and the nutrient solution are mixed and stirred to be uniform under the sterile condition at low temperature of 4 DEG C to obtain the diluent for the milk goat artificial insemination technology. The preparation method has the advantages that the semen dilution ratio can reach up to 30 times, sperm activity can still be kept at 0.3-0.4 120 h after semen is diluted, and it can be ensured that the ewe artificial insemination hybridization pregnancy rate is 85% or above.

The invention provides a method for researching smell characteristics of multi-component gas in a dynamic mixing mode. The method comprises the following steps of S1, preparing a single-component standard gas for a plurality of single substances by using a standard solution and nitrogen; S2, researching the relationship between the odor grade and the concentration of the plurality of single-substance standard gases obtained in the step S1 through a sniffing dilution instrument; and S3, mixing the plurality of single-substance standard gases obtained in the S1, exporting the mixed gas to a sniffing port, and judging the relationship of the mixed gas. According to the method for researching the smell characteristics of the multi-component gas in the dynamic mixing mode, a problem that the concentration ratio of the smell substances is fixed is solved, the concentration of each smell substance in each test can be set at will, the research speed is greatly increased, and the requirement for consumption of smell bag consumables is reduced.

The invention relates to a method for measuring content of vitamin C in Fructus lycii, in particular to a method for quickly measuring content of vitamin C in Fructus lycii, and aims to solve the technical problem that decoloring or oxidizing needs to be performed on sample liquid and the technical problems of need for preparing many drugs, large instrument-equipment investment, complex operation and high time consumption. The method includes: 1, preparing a to-be-measured sample; 2, performing acid-base neutralization titration; 3, titrating for a blank test; 4, calculating content of vitamin C in Fructus lycii. The method has the advantages that decoloring or oxidizing does not need to be performed on colored sample liquid to be measured, the method has the advantages of small investment, low reagent consumption, simple operation, high stability and wide application range and is suitable for quickly measuring content of vitamin C in Fructus lycii, and the measuring range can be conveniently adjusted by increasing filtrate sampling amount or increasing sample liquid diluting ratio. The method is applied to measuring content of vitamin C in Fructus lycii.

The invention discloses a novel pesticide for controlling plant bacterial diseases. The novel pesticide is prepared from raw materials in percentage by weight as follows: 1%-10% of berberine sulfate, 1%-10% of a solubilizer, 5%-15% of pesticide adjuvants and 0.1%-1% of a preservative, wherein berberine sulfate is chemically synthesized or extracted and purified from a traditional Chinese medicine, and the molecular formula is C20H18NO8S; the mole ratio of the solubilizer to berberine sulfate is 1:1-2; the novel pesticide for controlling plant bacterial diseases mainly contains 0.5%-1% of berberine sulfate and the balance of the solubilizer, the pesticide adjuvants and water; the novel pesticide adopts a form of a microemulsion, an aqueous solution or an emulsion in water. The application method of the novel pesticide comprises the following steps: the pesticide is diluted to 500-1,000 times solution, and the solution is used for root irrigation or sprayed to rhizome bases of tobacco plants after tobacco seedlings are transplanted for about 7-10 days, is applied once every 8-11 days and is continuously applied 3-4 times. The novel pesticide has wide antibacterial spectrum, does not produce drug resistance easily, is low-toxic for human and livestock, is residue-free and produces little pollution, and the control effect on the plant bacterial diseases such as tobacco bacterial wilt and the like is better than that of agricultural streptomycin.

The invention discloses a high-concentration liquid calcium fertilizer and a preparation method thereof. The high-concentration liquid calcium fertilizer contains the following components in percentage by weight: 54.2%-66.7% of calcium nitrate, 3.0%-9.0% of one or more of a natural sugar alcohol solution, glycerol and ethylene glycol and 30.3%-36.8% of water. The preparation method comprises the following steps: (a) adding a preset amount of calcium carbonate powder to a container under the condition of normal temperature and normal pressure, and then adding a 25wt% dilute nitric acid solution for neutralization reaction to generate a calcium nitrate solution; (b) adding a preset amount of one or more of the natural sugar alcohol solution, the glycerol and the ethylene glycol to the generated calcium nitrate solution, and reacting to prepare the high-concentration liquid calcium fertilizer. The preparation method disclosed by the invention can be used for saving the production cost by carrying out preparation through lower-cost raw material calcium carbonate and is safe in operational process. The prepared liquid calcium fertilizer is high in calcium content, high in dilution times, low in usage cost, dissolved in water by 100% and stable in property, has the advantages of fast absorption and good effect and can be widely applied to various crops.

The invention relates to a water-soluble plant growth nutrient solution and a preparation method. In the plant growth nutrient solution, the content of small molecular weight water-soluble chitosan accounts for 8-120g / L, the sum of the content of nitrogen, phosphorus and potassium is larger than or equal to 60g / L, the sum of the content of medium trace elements accounts for 3-30g / L, the content of organic matter accounts for 30-200g / L, the content of plant growth regulator accounts for 0.01-5g / L, and the content of spread penetrating agents is larger than or equal to 0.2g / L; the small molecular weight water-soluble chitosan is obtained through the preparation steps that chitosan is firstly subjected to alkalization of strong base, then subjected to carboxyl chemical modification, degraded through strong oxidant after carboxyl chemical modification and finally neutralized through acid. The water-soluble plant growth nutrient solution integrates the effects of nutritional complement, growth promotion, antibiosis, virus resistance, stress tolerance and the like and has multiple functions and effects of improving soil, preventing hardening, increasing ground temperature, resisting to disease, being tolerant to stress, resisting to continuous cropping, supplementing nutrition rapidly, raising the yield and improving fruit quality and the like.

The invention discloses a botanical pesticide capable of controlling tobacco bacterial wilt and a preparation method of the botanical pesticide. The botanical pesticide comprises main raw materials as follows: 1%-10% of berberine, 1%-10% of a solubilizer, 5%-15% of pesticide adjuvants and 0.1%-1% of a preservative, wherein the mole ratio of the solubilizer to berberine is 1:1-10. During use, the botanical pesticide after 800-2,000 times dilution is used for irrigating roots or being sprayed to base rhizome parts of tobacco 7-10 days after tobacco transplanting, is used once every 7-10 days and required to be continuously used 3-4 times. The preparation method is simple; the effective ingredient berberine or berberine hydrochloride is obtained through chemical synthesis or through extraction and purification from a traditional Chinese medicine and contains no other plant extraction ingredients; the content of the main medicinal ingredient berberine or berberine hydrochloride is increased by the solubilizer, the antibacterial spectrum is wide, the control effect on plant bacterial diseases such as the tobacco bacterial wilt and the like is better than that of agricultural streptomycin, pesticide resistance cannot be produced easily, and the botanical pesticide contains no harmful chemical pesticide ingredients.

The invention provides a counting method of a door lifting type dish-washing machine. The dish-washing machine comprises a washing chamber, a washing chamber door matching the washing chamber and a water tank arranged at the bottom of the washing chamber; a main washing mechanism and a spraying mechanism are arranged in the washing chamber; a spraying pump and a main washing pump are arranged in the water tank, and the washing chamber is provided with a door magnetic switch matching the washing chamber door and a plate basket support. In the working process of the dish-washing machine, the washing amount of the dish-washing machine is counted through changes of one or more specific attributes in the dish-washing machine, wherein the specific attributes comprise the time, door magnetic switch value, load-bearing change of the plate basket support in the washing chamber, working state change of the main washing pump, working state change of the spraying pump, and consumption of a chemical, adding frequency of the chemical and / or the concentration of the chemical in washing liquid in the main washing and spraying process. According to the change of the specific attributes of the spraying type dish-washing machine, the number of times of washing is calculated, the specific number of washed tableware is calculated according to the number of times of washing, and intelligent statistics of the washing amount in the working process of the dish-washing machine is achieved.

The invention relates to the field of liquid mulch films, and in particular relates to a liquid mulch film containing micro nano micro silica fume suspension matter. The mulch film comprises the following components in percentages by weight: micro nano micro silica fume, a thickening agent, polyvinyl alcohol, a dispersant, a nitrogen fertilizer, and water. The mulch film provided by the inventionhas the advantages that microelements necessary for growth are provided for plants; the production costs are low, the preparation process is simple, and space can be effectively saved during production and transportation; the mulch film is convenient for use, and has excellent water-retention heat-insulation effects, good film forming performance after being used, and no cracking after being dried; the components contained in the mulch film are uniformly suspended in the liquid, the preservation time is long, and no delamination phenomena appear; and the mulch film has no side effects on vegetations and environments.

The invention discloses a homogeneous fluorescence immunoassay reagent for rapid and quantitative detection of troponin T and preparation and detection methods thereof. The homogeneous fluorescence immunoassay reagent for rapid and quantitative detection of troponin T comprises anti-cTnT (cardiac troponin) labeled with rare earth element chelate, another anti-cTnT labeled with a near infrared fluorescent compound and cTnT calibrators with a series concentrations. With the adoption of a rapid homogeneous fluorescence detection technology as well as the high sensitivity characteristic of fluorescence, adverse effects on detection accuracy and repeatability due to the non-uniform characteristics of pores of a nitrocellulose membrane in colloidal gold or fluorescent cTnT dry immune test paper are also prevented, and the detection sensitivity and the linear range can be greatly improved. The reagent has the characteristics of being easy to operate, rapid, sensitive, good in specificity and the like when applied to detection of cTnT in human blood, serum or plasma, and has good clinical application prospect.

The invention discloses a high-concentration liquid calcium fertilizer and a preparation method thereof. The high-concentration liquid calcium fertilizer contains the following components in percentage by weight: 54.2%-66.7% of calcium nitrate, 3.0%-9.0% of one or more of a natural sugar alcohol solution, glycerol and ethylene glycol and 30.3%-36.8% of water. The preparation method comprises the following steps: (a) adding a preset amount of calcium carbonate powder to a container under the condition of normal temperature and normal pressure, and then adding a 25wt% dilute nitric acid solution for neutralization reaction to generate a calcium nitrate solution; (b) adding a preset amount of one or more of the natural sugar alcohol solution, the glycerol and the ethylene glycol to the generated calcium nitrate solution, and reacting to prepare the high-concentration liquid calcium fertilizer. The preparation method disclosed by the invention can be used for saving the production cost by carrying out preparation through lower-cost raw material calcium carbonate and is safe in operational process. The prepared liquid calcium fertilizer is high in calcium content, high in dilution times, low in usage cost, dissolved in water by 100% and stable in property, has the advantages of fast absorption and good effect and can be widely applied to various crops.

The invention discloses a chemical deodorant for a waste transfer station as well as a preparation method and an application of the chemical deodorant, and belongs to the technical field of deodorant preparation. The deodorant is prepared from components in percentage by mass as follows: 0.8%-1.5% of water-soluble nano titanium dioxide, 1%-2% of steady-state chlorine dioxide, 5%-8% of a tea leaf extract, 10%-15% of ferrous sulfate, 3%-5% of citric acid, 0.2%-0.5% of essence and the balance of water. The preparation method comprises the following steps: dissolving the water-soluble nano titanium dioxide in water, mixing with the steady-state chlorine dioxide, mixing with the ferrous sulfate solution, finally adding the tea extracting solution, the citric acid and the essence, and uniformly stirring. The deodorant has good deodorization performance and a long-acting deodorization effect, is excellent in comprehensive deodorization effect, has a certain antibacterial effect, is harmless to human bodies, does not cause secondary pollution to the environment, is high in stock solution dilution ratio when being applied to the chemical waste transfer station, and remarkably reduces the use cost.

The invention provides papilloma virus 35 type / HPV 35 type L1 / L2, preparation and application thereof. The applicant optimizes the coding genes of the L1 protein and the L2 protein in the pseudovirus, so that the dilution ratio is obviously improved when the pseudovirus is prepared. The detection period is short, the sensitivity is high, the repeatability is good, the result interpretation is simple, the detection cost is low, and the method is convenient to apply and popularize.

The invention discloses a method for detecting aluminum in 2,2'-methylene-bis(4,6-di-bert-butyl phenol)phosphate, which mainly comprises the following steps: dissolving the sample, applying onto a graphite tube, preparing a standard solution, and detecting with an instrument. High-purity water is used as a diluter, and no substrate improver or deuterium lamp background correction is needed. The established detection method has the advantages of high safety coefficient and good reproducibility, and is simple to operate.

The invention discloses a bactericide for preventing and treating plant canker. The bactericide comprises a chelate of an amino alcohol compound and a copper salt, a pH regulator and water. The invention has the following beneficial effects: the invention uses the chelate of the amino alcohol compound and the copper salt as the effective bactericidal component of the bactericide, so that the invention has prominent characteristics, preferably, the chelate of monoethanolamine and the copper salt is selected, and the chemical formula of the chelate is [Cu (H2NCH2CH2OH) 4] < 2 + >; from the perspective of complexing and chelating of the bivalent copper ions, the chelating or complexing degree of monoethanolamine to the bivalent copper ions is large, the concentration of free Cu < 2 + > ions is lower than that of cuaminosulfate, the concentration of complexed Cu < 2 + > ions is higher, the relative molecular mass of the prepared chelate is larger than that of cuaminosulfate, the dilution multiple is increased to 500-800 times when crop diseases are prevented and treated, and the dosage per mu is reduced by 60%.

The invention provides a kind of human papillomavirus type 35 / HPV35 type L1 / L2 and its preparation and application. The applicant has optimized the coding genes of the L1 protein and L2 protein in the pseudovirus, so that when the pseudovirus is used, The dilution factor is significantly improved, and the detection period is short, the sensitivity is high, the repeatability is good, the result interpretation is simple, the detection cost is low, and the method is convenient for application and promotion.