48 results about "Chloropicrin" patented technology

A soil biocide formulation for aqueous delivery is disclosed. The formulation includes a biocide selected from methyl bromide, chloropicrin, 1-3 dichloropropene (Telone) and methgylisothiocyanate. The formulation also includes an emulsifier containing non-ionic and anionic surfactants.

The invention relates to a composition comprising soil fumigant 1, 3-dichloropropylene and chloropicrin in reasonable proportions and a processing method of a capsule preparation corresponding to the composition. The preparation is suitable for preventing root-knot nematodes and other soil nematodes on crops, such as beans, fruits including strawberries in orchards and grapes in vineyards, flowers, vegetables including asparagus, celery, carrots and sweet potatoes, Chinese medicinal herbs, and the like, and the compound can favorably prevent soil-borne pathogens, such as Fusarium spp., Phytophthora spp, and the like.

The present invention discloses a storage, sterilization and pest preventing freshness-keeping film for broad bean, and a preparation method thereof, and belongs to a protective measure for broad bean pest damage. The freshness-keeping film comprises, by weight, 0.2-0.5% of chloropicrin, 0.3-0.5% of aluminium phosphide, 3-4% of a mixture comprising flatspine pricklyash oil, cinnamon oil and porous starch, 1-2% of polyethylene wax, 0.5-1% of glycerol monostearate, 0.5-0.7% of oleamide, 2-3% of calcium carbonate, and 62.3-72% of a low density polyethylene resin. According to the present invention, the storage, sterilization and pest preventing freshness-keeping film for the broad bean is prepared by adopting commonly used sterilization and pest preventing components, the production process is simple, the existing equipment can be adequately adopted to process and produce the film according to the ratio of various components of the freshness-keeping film, the freshness-keeping film can further be used for provision of storage and pest preventing for other grains, and the application range is broad.

The invention relates to a soil micro-ecological environment restoration method for preventing and treating soil-borne diseases, which belongs to the technical field of agricultural disease prevention and treatment. The invention relates to a soil micro-ecological environment restoration combined agent and a use method for preventing and treating soil-borne diseases. The soil micro-ecological environment restoration method is characterized by comprising the following steps of: adopting solid stable chlorine dioxide and a microbial agent as the soil restoration combined agent, combining the chlorine dioxide and the microbial agent according to the effective proportion of 1: (10-100) of the chlorine dioxide to the microbial agent and operating so as to be used for soil micro-ecological environment restoration and prevention and treatment of the soil-borne diseases. According to the method, the operation is novel, the efficiency is high, the environment is protected, the cost is low, notonly are the problems of high cost, large toxicity, pollution to the environment and damage to the soil micro-ecological environment in the existing agent for preventing and treating the soil-borne diseases solved, but also the soil quality can be improved, the growth of plants is enhanced, the promotion value is very high, and the soil micro-ecological environment restoration method is a very effective technology for replacing methyl bromide, dazomet and chloropicrin and is also a sustainable utilization technology for the soil in agricultural fields.

The present invention provides a method of using agents which can modulate TRPA1 function as counteragents to inhibit the physical effects of chemical irritants/toxicants when given prior to exposure or to lessen the physical effects when administered post exposure, and more specifically, to a method for counteracting the acute physical noxious effects of toxicants, including but not limited to, tear gases, chlorine, hydrogen peroxide, ammonia, phosgene, chloropicrin, isocyanates and mustard gas. Administering the counteragents counteracts pain, inflammation, lachrymation, blepharospasm, respiratory irritation and depression, airway mucus secretion, airway obstruction and injury, cough and incapacitation and cutaneous chemical injuries. Another embodiment provides a method of preventing or treating a disease or condition in a mammal, which disease or condition includes hypersensitivity to chemical stimuli, particularly in regards to inflammatory airway conditions, such as asthma, rhinitis, etc., by administering to the mammal a therapeutically effective amount of a compound that inhibits TRPA1 function, wherein the compound reduces the hypersensitivity and mediates the response to such chemical stimuli in the mammal. The invention also includes a kit containing the compound that inhibits the TRPA1 function as a counteracting agent for administration prior to or post exposure to prevent or limit the effects of the exposure.

The invention relates to a method for quickly analyzing trichloronitromethane as a disinfection by-product in drinking water, which comprises steps of sample pretreatment, instrument condition control and running measurement; during the sample pretreatment, adjusting pH to range from 4.5 to 5.5; adopting ascorbic acid and ammonium chloride as a chlorination reaction termination agent to facilitate stabilization of the trichloronitromethane; and adopting methyl tertiary butyl ether or ethyl acetate as an extracting agent. The instrument condition control comprises adopting a gas chromatography-mass spectrometer as a main instrument for detecting the trichloronitromethane; controlling the sample feeding amount at 3muL; and controlling the temperature of an introduction port to between 105 and 115 DEG C. The method has the following beneficial effects of reducing loss of the trichloronitromethane greatly, improving reclaiming rate and enrichment multiple of the trichloronitromethane, and revealing stability of the trichloronitromethane under different pH conditions and effect of different common chlorination reaction termination agents on the trichloronitromethane.

The invention provides a carbon disulfide fumigation compound agent for killing insects, bacteria and nematode, which is formed by combining carbon disulfide fumigation insecticide and a fumigation medicament with the function of killing insects, bacteria and nematode. The compound agent is characterized in that the compound agent consists of the carbon disulfide fumigation insecticide, chloropicrin, o-dichlorobenzene, sulfuryl fluoride, sulfuryl chloride, chlorine gas, carbon dioxide or nitrogen as inert gas; two components are combined into the carbon disulfide fumigation compound agent for killing insects, bacteria and nematode according to weight portion; three components are combined into the carbon disulfide fumigation compound agent for killing insects, bacteria and nematode according to weight portion; four components are combined into the carbon disulfide fumigation compound agent for killing insects, bacteria and nematode according to weight portion; and five components are combined into the carbon disulfide fumigation compound agent for killing insects, bacteria and nematode according to weight portion. The combination implementing proposal of the invention performs compounding according to the fumigation and pest removal of plant quarantine, health quarantine, logs, containers, soil, commodity maintenance, scrapped vessels, animal-plane specimen museums and the like, and has great social benefit and economic benefit.

The invention relates to a mixture for soil disinfection and weeding. The soil disinfectant of the invention is 1,3-dichloropropene and chloropicrin, adsorbents are active carbon and kieselguhr, and a weed killer is alachlor. The mixture for soil disinfection and weeding is prepared by the following steps: firstly, sealing, spraying and adsorbing the liquid 1,3-dichloropropene and chloropicrin in proportion at normal temperature to form particles; and then mixing and combining with the alachlor particles in proportion to form a new pesticide with two functions of soil disinfection and weeding. Soil disinfection and weeding are completed once, thus reducing the pesticide cost and improving the labor efficiency. The soil disinfectant and the weed killer can play a mutually positive effect, can improve the chemical effect, and reduce the residue of the weed killer in crops. As required, the soil disinfection particles can be mixed with various weeding particles which can not generate antagonism and are effective and safe after combination. The mixture of the invention can be applied to upland fields, paddy fields and protected areas in agricultural production.

The invention provides a rose planting method which can promote rose growth and increase rose yield. The rose planting method comprises the following steps: (1) seed stratification treatment: rose seeds are soaked in clear water for 48 h and then mixed sufficiently with wet sand, in terms of the sand humidity, the sand can be held by hand into a ball; (2) land preparation for bed production: soil is plowed deeply before planting and disinfected by chloropicrin, and soil and fertilizer are mixed sufficiently; each bed is 12 cm wide and 5.5-6.0 m long, and each furrow is 40 cm wide; (3) sowing: sowing is generally performed from late March to middle April in spring, the soil is watered before sowing, then primed seeds are sown into the soil, and the sown seeds are covered with 1-1.5 cm of soil; (4) after-sowing management: the soil is kept wet after sowing, frequent watering is not needed, water accumulation in soil is avoided, and fertilizer spraying is not needed in a seed germination process. Emergence of seedlings generally starts in 15 days.

The invention belongs to the technical field of chemical analysis and particularly relates to a method for measuring residual quantity of chloropicrin in fermented grains and white spirit, and aims to solve the technical problem about providing the method for measuring residual quantity of chloropicrin in the fermented grains and the white spirit. The method comprises the following steps: drawing a standard curve, introducing samples for detection, and analyzing a spectrogram to obtain a result. According to the method, the lower detection limit is 5 microgram/L, and one more accurate and effective method is provided for content determination of the chloropicrin in the fermented grains and the white spirit, so that a high foundation is laid for food safety of the white spirit.

The invention relates to a method for compounding technical material liquid of chloropicrin and 1.3-dichloropropylene and manufacturing a solid preparation and a use method. The method for compounding technical material liquid of chloropicrin and 1.3-dichloropropylene and manufacturing a solid preparation comprises the following steps: compounding the technical material liquid of the chloropicrin and the 1.3-dichloropropylene with a certain weight percentage; heating and vaporizing; vaporizing and absorbing by using active carbon and other adsorbents, and preparing the required compound mixed solid preparation according to the required content of technical material. The mixed solid preparation is used for soil fumigation and pest control and can adopt various methods such as hole application, furrow application, broadcast seeder overturning and the like.

The invention relates to a composition comprising soil fumigant iodomethane and chloropicrin in reasonable proportions and a processing method of a capsule preparation corresponding to the composition. The preparation is suitable for preventing root-knot nematodes and other soil nematodes on crops, such as beans, fruits including strawberries in orchards and grapes in vineyards, flowers, vegetables including asparagus, celery, carrots and sweet potatoes,, Chinese medicinal herbs, and the like, and the compound can favorably prevent soil-borne pathogens, such as the Fusarium spp., Phytophthora spp., and the like.

The invention discloses a soil activator and relates to the technical field of soil improvement. The soil activator comprises the following raw materials: 70-90 parts of organic yeasts, 10-20 parts of nodule bacteria, 10-20 parts of humic acid, 0.1-0.5 part of dazomet, 0.3-0.8 part of trichloronitromethane, 0.3-0.8 part of methyl bromide and 0.1-0.5 part of hydrogen peroxide. The activator can kill plant diseases and insect pests in soil, the organic yeasts can provide comprehensive nutrition for crops, the soil organic matters are increased and updated, and microbial reproduction is promoted. Moreover, the fertilizer utilization rate can be greatly improved.

The invention discloses a method for detecting volatile disinfection by-products including trihalomethane and trichloronitromethane in drinking water or sewage by a solid phase microextraction-gas chromatography-mass spectrometry technique. A metal organic framework material MIL-96 is used as a coating material of a solid-phase microextraction probe for the first time and applied to pretreatment of the volatile disinfection by-products to establish a complete novel trihalomethane and trichloronitromethane analytic detection method along with gas chromatography-mass spectrometry. The MIL-96 coating material is high in adsorption capacity and heat resistance and higher than commercial coatings in extraction power and enables recycling of aged probes. The method is 0.02-50microgram/L in linear detection range, 0.0030-0.0110microgram/L in detection limit and 81.0%-109.9% in standard recovery rate, has advantages of high sensitivity, simplicity, quickness, high repeatability and the like and is suitable for popularization and application.

The invention discloses a remediation method for heavy metal pollution in soil, and the method is: loosing and ventilating the polluted soil; adding nutrient components into the soil and adjusting thewater content of the soil to 20-30%: sterilizing soil by radiation or applying chloropicrin; planting maize, the other cultivation management measures are the same as the local farmland habitual method; harvesting all the maize plants when the maize plants are grown to the maximum biomass; or, loosing and ventilating the polluted soil; adding nutrient components into the soil and adjusting the soil moisture content to 20-30%: planting maize; when the maize grows to two leaves and one heart, applying Atailing to the maize plant, and the other cultivation management measures are the same as thelocal farmland habitual method; harvesting all the maize plants when the maize plant grows to the maximum biomass. The method of the invention solves the problems of long cycle in current phytoremediation process and difficulties in remediation of deep contamination of heavy metals, can improve the absorption of heavy metals, and provides technical support for the remediation of heavy metal in the soil.

The invention relates to a synergistic soil fumigation composition, the effective components of which are allyl isothiocyanate (A) and chloropicrin (B) in a mass ratio of 1:1-1:100. The composition provided by the invention is used for soil fumigation of melons and vegetables, medicinal materials, strawberries, tobacco, fruit trees, and nurseries.

The invention belongs to preparation of a microbial inoculant, and in particular relates to a preparation technology of a bacillus licheniformis inoculant capable of resisting strawberry replant. The technology comprises the steps of inoculating bacillus licheniformis ACCC01957 into a fermentation medium containing a carbon source and a nitrogen source, and carrying out aerated fermentation to prepare fermentation liquor; carrying out flocculation on the fermentation liquor, feeding a protective agent, carrying out carrier absorption, and carrying out spray drying to obtain fungus powder. The preparation technology solves the problems that the fertility is reduced, and toxic substances are accumulated, so that the quality and the yield of strawberries are seriously influenced in the prior art; all technical indexes of the bacillus licheniformis inoculant capable of resisting the strawberry replant are in accordance with the requirements of GB20287-2006, and the shelf life of the bacillus licheniformis inoculant is more than 18 months; compared with the strawberries fumigated by chloropicrin in a greenhouse, the strawberries treated by the bacillus licheniformis inoculant have obvious advantages in the aspects of technical indexes such as yield, sugar-acid ratio, soluble solid content, and vitamin C content; the bacillus licheniformis inoculant has the advantages that the incidence of diseases can be well reduced, the resistance of crops is improved, the yield of the strawberries is increased, etc.

The invention discloses a method for controlling the formation potential of a nitrogenous disinfection byproduct, trichloronitromethane (TCNM), through catalyzing ozone oxidation, particularly relates to a method for controlling the formation potential of TCNM in a nitrogenous water body during chlorine disinfection after ozone oxidation through introducing a nanoscale Zn-Co-TiO2 bimetal doped catalyst, and aims to utilize the specific catalytic action of the Zn-Co-TiO2 catalyst to intervene the ozone oxidation process and control generation of TCNM precursors, so as to decrease the generation amount of TCNM in the nitrogenous water body during follow-up chlorine disinfection and avoid the harmful effect that the TCNM content is high when the highly nitrogenous water body is subjected to advanced treatment through ozone oxidation. The method is characterized in that filter water obtained after conventional treatment of an amino acid aqueous solution prepared through pure water or actual surface water directly enters an airtight reactor filled with the catalyst, and ozone is continuously introduced for catalytic oxidation under magnetic stirring. When the method is utilized to treat the actual nitrogenous water body, the generation amount of a carbonbearing disinfection byproduct, trihalomethane, can be synchronously controlled, the removal capability of ozone for TOC is improved, and safety reliability of outlet drinking water is strengthened.

The invention discloses a composite aggregate releasing agent, and a preparation method and application thereof. The preparation method comprises the following steps: weighing a metham water solution and an adsorbent carrier, evenly mixing, and granulating to prepare intermediate aggregates, wherein the mass ratio of the metham component to the adsorbent carrier is (1-2):(7-8); heating to gasify chloropicrin, performing adsorption reaction on the generated chloropicrin gas and the intermediate aggregates, and ensuring that the mass ratio of the chloropicrin, the metham and the adsorbent carrier in the final product is (1-2):(1-2):(7-8); and coating, and packaging to obtain the finished product, wherein the adsorbent carrier is at least one of a carbon molecular sieve, activated carbon and activated clay. For the product disclosed by the invention, the proportion and content of the active components can be regulated according to different control targets; and the product is wide in control spectrum, high in efficiency, low in toxicity, low in consumption, low in use cost and safe and convenient to apply, and has no environmental pressure. Thus, the invention has wide application ranges and application prospects.

The invention provides a soil fumigation disinfection method for solving the problem of incapability of pseudo-ginseng succession cropping, relating to the field of pseudo-ginseng planting. The method comprises the following operation steps: soil preparation, chloropicrin drug injection, mulching film coverage and fumigation, pseudo-ginseng seeding and field planting. The method solves the problem of incapability of pseudo-ginseng succession cropping, protects the pseudo-ginseng origin, enhances the pseudo-ginseng quality and makes a great contribution to the local economy.

The invention discloses a method for preparing a soil sanitizer. The soil sanitizer is prepared from the following components in percentage by weight: 3-12% of trichloronitromethane, 5-9% of bromomethane, 15-23% of dichloropropene, 12-26% of dazomet, 9-17% of polymethyl methacrylate, 11-17% of kerosene, 2-6% of carboxymethylcellulose and 3-7% of calcium cyanamide, wherein the sum of the weight ratio of the components is 100%. The soil sanitizer can kill germs and pests inhabiting in soil, so that crops and seedlings are free of invasion of the germs and the pests, no side effect exists, and the preparation is simple, that is, the raw materials are only uniformly mixed according to a formula.

The invention discloses a method for preparing a soil disinfecting and weeding mixture. A soil disinfecting solution comprises the following components in percentage by weight: 15-29% of a 3-dichloropropene solution, 13-32% of a trichloronitromethane solution, 13-19% of chloropicrin, 11-22% of dazomet and 2-6% of carboxymethylcellulose, wherein the sum of the weight ratio of the components is 100%. The method comprises the following steps: spaying the soil disinfecting solution at the room temperature to be adsorbed onto activated carbon to be formed into solid granules, mixing and combining the soil disinfecting granules with weeding granules, which are not antergic, so as to produce the finished product. The soil disinfecting and weeding mixture has strong fume killing capability on imagoes and larvas of pests, can effectively protect plant root systems from being damaged, has no pesticide residue in plants and soil, and can be remained in the soil after the pesticide effect is released to play the function of improving the soil; a user needs not to wear an antigas mask when applying the pesticide, and the transportation, the storage and the use are convenient and safe.

A mildew-prevention medicament for wool storage and a preparation method thereof are disclosed. The mildew-prevention medicament for wool storage comprises a shell and a medicine. The shell is prepared from the following raw materials (by weight): 40-50 parts of starch, 20-30 parts of bentonite, 10-20 parts of talcum powder and 25-35 parts of water. The medicine is prepared from the following raw materials (by weight): 10-20 parts of nicotine, 10-20 parts of sulfonic acid, 5-8 parts of dimethyl formamide, 20-30 parts of carbon disulfide and 40-60 parts of ethanol. The preparation method comprises the following steps: fully mixing the shell materials, namely starch, bentonite, talcum powder and water, heating to 70-90 DEG C, cooling to prepare an empty-shell pill, and drying in the sun; fully mixing nicotine, chloropicrin, carbon disulfide and ethanol, injecting the medicine mixture into the dried empty-shell pill, sealing the pinhole formed by the injection with starch so as to form a sealed pill; and vacuum-packaging the pill. The medicament of the invention has a good insect-expelling effect, has good drug effect, will be thoroughly evaporated, and will not cause secondary pollution.