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1640 results about "Bacteriocides" patented technology

Inorganic modified super-long salt-spray-resistant water-based paint and preparation method thereof

The invention discloses an inorganic modified super-long salt-spray-resistant water-based paint and a preparation method thereof, and relates to the technical field of water-based industrial paints. The inorganic modified super-long salt-spray-resistant water-based paint at least comprises the following raw materials in parts by mass: 60-70 parts of water-based acrylic resin, 0.1-0.5 part of a bactericide, 0.2-0.4 part of a wetting agent, 0.5-1 part of a dispersing agent, 0.1-0.3 part of a defoaming agent, 0.5-1 part of a pH regulator, 8-12 parts of nano silicon dioxide coated polymerized calcium phosphate, 0.5-2 parts of modified zinc phosphate, 8-10 parts of silk mica powder, 2-4 parts of a coalescing agent and 10-20 parts of water. And 0.5 to 1 part of a polyurethane thickening agent. The inorganic modified super-long salt-fog-resistant water-based paint prepared by the invention has super-long salt fog resistance, high base material adhesion and low ion dissolution amount, and the hardness and water resistance of a coating are also improved.
Owner:JUNXIU NEW MATERIAL TECH (SUZHOU) CO LTD

Fungicide composition

The present disclosure relates to a fungicidal composition. More particularly, the present disclosure relates to a granular fungicidal composition comprising a copper compound and a benzamide fungicide. The present disclosure also relates to a process for preparing the fungicidal composition and a method for controlling growth of fungal phytopathogens using the same.
Owner:UPL CORPORATION LTD(MU) +1

Mobile or stationary biocidal and virucidal air filters and room fans, as well as methods for the production and environmentally friendly disposal of their air filter materials.

Mobile or stationary air filter (L) or room fan (RL) according to Figure 1, comprising an outer wall (5), a (2) for generating an airflow (3) which is guided through an air filter material (1.1), an air inlet (2.1) and an air outlet (2.2), wherein the air filter material (1.1) contains poly(styrenesulfonic acid) (sulfonic acid biocide) (1.3) cross-linked with divinylbenzene and / or an acidic salt (1.3.1) (sulfonic acid biocide salt) of the sulfonic acid biocide (1.3) with biocidal cations, wherein the sulfonic acid biocide (1.3) and / or sulfonic acid biocide salt (1.3.1)(i) are positively and / or materially bonded to and / or in inert carriers and, in the fixed state, are in direct contact with carrier materials (1.1.7) on and / or in which biocidal Metal microparticles of a mean particle size d50 of 0.1 µm to <1,000 µm are fixed, and / or (ii) with carrier materials (1.1.7) on and / or in which biocidal metal microparticles of a mean particle size d50 of 0.1 µm to <1.000 µm are fixed, are mixed; its use and methods for the production and environmentally friendly disposal of air filter materials (1.1).
Owner:MUNCH ELKE

A reverse osmosis membrane cleaning agent composed of a non-oxidizing bactericide and an enzyme and its application.

This invention relates to the field of water treatment technology, specifically to a reverse osmosis membrane cleaning agent composed of a non-oxidizing bactericide and an enzyme, and its application. Its main purpose is to remove biofouling from reverse osmosis membranes and restore membrane flux. This patent discloses a novel reverse osmosis membrane cleaning agent formulation. Considering the different pH requirements of the cleaning agent in actual production, different types of bioactive hydrolytic enzymes are selected to disrupt the structure of bacterial cell walls and their extracellular polymers. A reducing agent and a non-oxidizing bactericide are combined to enhance the cleaning effect of the reverse osmosis membrane. For different cleaning purposes, non-oxidizing bactericides suitable for acidic and alkaline cleaning are formulated. Sodium benzoate and benzalkonium chloride show good application prospects in the removal of reverse osmosis membrane fouling.
Owner:ZHEJIANG UNIV

Application of sscle13g095080 gene and protein coded by sscle13g095080 gene in regulation and control of pathogenicity of sclerotinia sclerotiorum

The invention discloses an application of an sscle13g095080 gene and a protein coded by the sscle13g095080 gene in regulation and control of pathogenicity of sclerotinia sclerotiorum. The nucleotide sequence of the sscle13g095080 gene is as shown in SEQ ID NO: 1 (Sequence Identity Number 1). The invention discovers that the sclerotinia sclerotiorum sscle13g095080 gene is related to the pathogenicity of sclerotinia sclerotiorum, and the pathogenicity of sclerotinia sclerotiorum can be obviously reduced by knocking out the sclerotinia sclerotiorum sscle13g095080 gene Therefore, the sscle13g095080 gene can be used as an effective target for preventing and treating the sclerotiniose, compounds capable of preventing gene expression and protein expression, modification and positioning of the gene can be screened, occurrence of the sclerotiniose can be effectively controlled, and development of novel bactericides is facilitated.
Owner:HAINAN TROPICAL OCEAN UNIV

Insecticidal pesticide synergistic additive containing plant essential oil and preparation method thereof

The invention provides an insecticidal pesticide synergistic additive containing plant essential oil and a preparation method thereof, and belongs to the technical field of pesticide synergists. The insecticidal pesticide synergistic aid containing the plant essential oil comprises a synergist matrix, a penetrating agent, an emulsifying agent, a thickening agent, an anti-freezing agent and the plant essential oil. The main component of the synergistic additive is esterified vegetable oil or fatty acid alkyl ester, and the synergistic additive has the advantages of low toxicity, difficult generation of drug resistance of target organisms, environmental friendliness and the like, and can be mixed with a penetrant, an emulsifier and a thickener for use, so that the wetting and infiltration capacity of pesticide liquid can be remarkably enhanced, a wax layer structure can be destroyed, the permeability of the pesticide liquid can be improved, and the pesticide effect can be improved. The added plant essential oil belongs to a natural active substance, has the characteristics of being green and environment-friendly, and can be matched with different pesticide formulations such as insecticides, bactericides, herbicides and the like for use.
Owner:INST OF COTTON RES CHINESE ACAD OF AGRI SCI

Environment-friendly self-repairing single-component waterborne polyurethane waterproof coating and preparation method thereof

The invention provides an environment-friendly self-repairing single-component waterborne polyurethane waterproof coating and a preparation method thereof. The environment-friendly self-repairing single-component waterborne polyurethane waterproof coating is prepared from the following components in percentage by mass: 35 to 45 percent of waterborne hyperbranched polyurethane resin, 10 to 15 percent of titanium dioxide, 15 to 20 percent of barium sulfate, 5 to 10 percent of modified quartz powder, 0.1 to 1 percent of a thickening agent, 0.2 to 0.3 percent of a sterilizing agent, 3.5 to 6.5 percent of an auxiliary agent and the balance of water. The waterproof coating contains certain fluorine atoms, so that a paint film has relatively stable long-acting hydrophobic performance after being dried, and the paint film can be kept clean and self-cleaning for a long time; in addition, the modified quartz powder has the effect of enhancing the mechanical property and stability of the paint film; and meanwhile, the paint film forms a compact network structure in the drying process, so that the paint film has relatively good flexibility and relatively high hardness. In addition, the components contain more active groups, so that the paint film can be self-repaired.
Owner:HEBEI CARPOLY PAINT CO LTD +1

Bactericide suspending agent and preparation method thereof

The invention belongs to the technical field of novel pesticides, and particularly provides a bactericide suspending agent and a preparation method thereof.The effective component of the bactericide suspending agent is prothioconazole, and on the basis of the effective component of the bactericide suspending agent, microencapsulated oxidized vegetable oil accounting for 5-15% of the weight of the whole bactericide is added to serve as a synergistic auxiliary agent. The prothioconazole bactericide has the advantages that the adhesion capacity of the prothioconazole bactericide on the surfaces of crops can be obviously improved, the adverse effects caused by environmental factors such as rain wash are reduced, and the absorption of the bactericide is facilitated, so that the synergistic effect is achieved.
Owner:JINGBO AGROCHEM TECH CO LTD

Method for preventing and treating watermelon fusarium wilt by using green bactericide

The invention relates to the technical field of agricultural planting, in particular to a method for preventing and treating watermelon fusarium wilt by using a green bactericide, which comprises the following steps: preparing the green bactericide which comprises the following components in percentage by mass: 18-25% of composite plant source active component consisting of water lettuce extract, enteromorpha polysaccharide and field horsetail flavone; 20%-30% of an antagonistic bacterium compound preparation, wherein the antagonistic bacterium compound preparation comprises bacillus pumilus and trichoderma; 38%-45% of a nano-carrier, wherein a chitosan-sodium alginate compound is used as an embedding material; and the balance of auxiliary components. Applying the green bactericide to watermelon plants; through component optimization and a synergistic effect, compared with the prior art, the composition has the remarkable advantages that the safety is high, all the components are from natural plants or microorganisms, no chemical pesticide residue exists, the composition is healthy to human bodies and environmentally friendly, and the problems of drug resistance and soil pollution caused by chemical agents can be avoided.
Owner:ZHEJIANG ECONOMIC & TRADE POLYTECHNIC

Biological long-acting bactericide as well as preparation method and application thereof

The invention relates to a biological long-acting bactericide and a preparation method and application thereof.The biological long-acting bactericide can release a quaternary ammonium salt type sophorolipid sterilization unit with the sterilization effect according to needs, the sterilization time is effectively prolonged, the recycling performance of the bactericide is improved, and the biotoxicity of the bactericide is reduced; the excessive use of the bactericide is avoided to a great extent; in addition, the biological long-acting bactericide also has excellent substrate adhesion and washing resistance, and is beneficial to inhibition of adhesion of bacteria on the surface of a material, so that the surface of the material washed by water still keeps relatively high antibacterial ability.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

E3 ubiquitin ligase gene ulA and application thereof

The invention discloses an E3 ubiquitin ligase gene ulA, the nucleotide sequence of which is shown as SEQ ID NO: 1. The gene is knocked out from fusarium oxysporum by using a homologous recombination method to obtain a mutant strain ulA; compared with a wild strain, the mutant hulA has the advantages that the spore yield is reduced, the spore germination is delayed, the response capability to various abiotic stresses is reduced, the pathogenicity to panax notoginseng plants is reduced, and the sensitivity to six bactericides is increased, and experimental results show that the gene plays an important role in pathogenicity, drug resistance and the like of fusarium oxysporum. The gene can be used as a target gene for developing an anti-fusarium oxysporum preparation.
Owner:KUNMING UNIV OF SCI & TECH

Preparation method and apparatus for inorganic multi-color coating, and use

The present invention relates to the technical field of inorganic multi-color coatings, and specifically relates to a preparation method and apparatus for an inorganic multi-color coating, and a use. The preparation method comprises the following raw materials: base paint: water, cellulose, a defoaming agent, a dispersing agent, a wetting agent, a luminescent material, an inorganic hybrid emulsion, an odorless pH regulator, and a bactericide; granulation liquid: water, a bactericide, xanthan gum, protective colloid powder, an odorless pH regulator, nanocellulose, and a defoaming agent; and a continuous phase emulsion: an inorganic hybrid emulsion, a bactericide, inorganic gel, deionized water, an odorless pH regulator, a thickening agent, and a defoaming agent. In the present invention, a mixture of CaAl2O4 calcium aluminate and BaAlO4 barium aluminate is added to serve as a luminescent material, the luminescent material can absorb and store solar energy by means of a specific mode when exposed to sunlight during the daytime, and at night, the internally stored energy is converted into optical radiation to be released, thereby realizing a light-emitting effect and realizing the luminous function of the coating.
Owner:HUBAO NEW MATERIAL TECH SHANGHAI CO LTD

Method for preparing broad-spectrum bactericide 2-n-butylbenzo [d] isothiazole-3 (2H)-ketone by molecular editing method

The invention belongs to the technical field of fine chemical engineering, and particularly discloses a method for preparing a broad-spectrum bactericide 2-n-butylbenzo [d] isothiazole-3 (2H)-ketone by a molecular editing method. The preparation method comprises the following specific steps: taking 3H-1, 2-benzodisulfophenol-3-ketone and n-butylamine as raw materials, taking Selectfluor as an additive, adding the raw materials and the additive into a mixed solvent, and carrying out heating and stirring reaction, so as to obtain the target product 2-n-butylbenzo [d] isothiazole-3 (2H)-ketone (BBIT). The method is simple and convenient to operate, the raw materials are easy to obtain, the yield is high, thiophenol raw materials or excessive alkali are prevented from being used, and potential application value is achieved.
Owner:CHANGZHOU UNIV

Preparation method of nano ozone water and application of nano ozone water in killing food-borne pathogenic bacteria

The invention discloses a preparation method of nano ozone water and application of the nano ozone water in killing food-borne pathogenic bacteria, and belongs to the technical field of bactericides. The nano ozone water is prepared by utilizing the ultra-fine bubble generator and the ozone generator, and the prepared nano ozone water is high in stability, not easy to decompose and high in practicability. The nano ozone water can achieve an effective killing effect on escherichia coli, salmonella, enterococcus, campylobacter and clinical multi-drug-resistant bacteria thereof, and a new resource is provided for preparing a safe and reliable antibacterial product.
Owner:HUAZHONG AGRI UNIV

High-efficiency middle-deep layer geothermal heat pump unit

The invention belongs to the technical field of heat pump units, and particularly relates to a high-efficiency middle-deep layer geothermal heat pump unit which comprises a unit body and a heat exchange pipe fixedly communicated to the unit body, and a water temperature sensor is further arranged at the position, corresponding to a water return opening, of the heat exchange pipe. The system further comprises a water softening mechanism, a bactericide supplementing mechanism, a water pressure real-time monitoring feedback mechanism, a water pressure descending speed monitoring feedback mechanism, an alarm grade dividing mechanism, an automatic water supplementing and pressure stabilizing mechanism and a working frequency self-regulating mechanism. Heat exchange water can be automatically softened, the content of ions such as calcium and magnesium is reduced, scaling is prevented, the heat exchange efficiency is maintained, the service life of equipment is prolonged, and cost is reduced; the regeneration frequency of the water softening mechanism and the bactericide adding frequency can be automatically regulated and controlled according to the water temperature, and the softening and sterilizing effects are guaranteed; and leakage of the heat exchange tube can be effectively monitored, graded warning is performed according to the size of leakage points, workers can respond and process in time conveniently, and the fault risk is reduced.
Owner:SHAANXI SIXIN NEW ENERGY TECH CO LTD

Method for rearing fries of Epinephelus lanceolatus

The invention belongs to the technical field of aquaculture, and particularly relates to a pearl grouper fry rearing method. According to the method, firstly, after the roes are hatched, the fries are soaked with a bactericide, harmful bacteria on the surfaces of the roes and in a hatching pond can be effectively killed, and a bacteria solution of lactobacillus brevis serves as the bactericide, so that the use of antibiotics is reduced while the growth of pathogenic bacteria is inhibited; the culture pond is divided into 1m * 1m spaces by the partition plates, so that the phenomenon that the fries kill each other or snatch for food due to insufficient spaces is avoided, and uniform growth of the fries is facilitated; culture is carried out in stages according to nutritional requirements of different growth stages, and the Weissella microbial inoculum and the lactococcus lactis microbial inoculum are added to the feed in each stage, so that the intestinal microecological balance of the fry is adjusted, the growth and reproduction of harmful bacteria are inhibited, the intestinal digestion and absorption functions of the fry are enhanced, and the utilization rate of the feed is increased.
Owner:GUANGDONG DALINYANG MARINE BIOLOGICAL CO LTD

High-temperature-resistant corrosion inhibition bactericide as well as preparation method and application thereof

The invention belongs to the technical field of corrosion prevention and sterilization in oilfield production and oilfield chemistry, and particularly relates to a high-temperature-resistant corrosion inhibition bactericide and a preparation method and application thereof. Specifically, the high-temperature-resistant corrosion inhibition bactericide comprises an organic corrosion inhibitor, an inorganic corrosion inhibitor, a bactericide and water. The high-temperature-resistant corrosion inhibition bactericide disclosed by the invention has broad-spectrum efficient bactericidal performance, high temperature resistance, salt-resistant corrosion inhibition performance, acid resistance and alkali resistance, and meets the application requirements in oil field production.
Owner:CHINA OILFIELD SERVICES LTD

Environment-friendly efficient energizing flushing fluid

The invention provides an environment-friendly efficient energizing flushing fluid. The flushing fluid comprises hydrochloric acid, a base fluid A, an energizing capsule B and a catalytic capsule C, the base solution A is prepared from the following components in parts by mass: 100 parts of water serving as a dispersion medium, 0.5 to 1 part of an emulsifier, 0.5 to 1 part of a surfactant, 1 to 2 parts of a cosurfactant, 5 to 10 parts of a mutual solvent, 0.03 to 0.08 part of a drag reducer, 25 to 45 parts of an organic solvent, 0.05 to 0.1 part of a bactericide and 0.3 to 0.5 part of a scale inhibitor; an energy increasing agent CO (NH2) 2 and an energy increasing agent NH4Cl; the energizing capsule B comprises a capsule core and a capsule wall; the capsule wall is paraffin and the like; the capsule core is prepared from NaNO2 and NaHCO3; the catalytic capsule C comprises a capsule core and a capsule wall; the capsule core is oxalic acid and the like; the capsule wall is paraffin and the like. The flushing fluid has the characteristics of small flow resistance, viscosity reduction, obvious energy increase, strong chip carrying capacity, high dynamic paraffin dissolving rate, high paraffin inhibition rate, safety and environmental protection, and can realize multiple effects.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

Clothing detergent composition with strong redeposition resistance and preparation method thereof

The invention discloses a clothing detergent composition with strong redeposition resistance and a preparation method of the clothing detergent composition. Comprising the following components in percentage by mass: 1%-5% of an anti-redeposition agent, 0.5%-3% of a plant-based surfactant, 7%-15% of an anionic surfactant, 5%-10% of a nonionic surfactant, 0.1%-1% of a chelating agent, 0.1%-0.5% of a bactericide, 0.1%-1% of an enzyme preparation, 0.1%-3% of other additives and the balance of deionized water, and the condition of dirt redeposition in the washing process of the clothes can be obviously reduced, so that the washed clothes are white and clean, the color is brighter, and the overall washing quality is improved.
Owner:GUANGDONG SEAWAYS BIOTECHNOLOGY CO LTD

Polyurethane antifouling paint, preparation method thereof and polyurethane antifouling coating

The invention provides a polyurethane antifouling paint, a preparation method thereof and a polyurethane antifouling coating, and belongs to the technical field of paints. The polyurethane antifouling paint comprises a cross-linkable part and a non-cross-linked resin part, wherein the cross-linkable part comprises a second prepolymer formed by reaction of polyether polyol, dihydroxyl long-chain quaternary ammonium salt and diisocyanate; the non-crosslinked resin part comprises linear or branched chain polyurethane grafted with a sterilizing agent, and the sterilizing agent comprises 3-iodine-2-propynyl-N-n-butyl carbamate. The polyurethane antifouling coating provided by the invention can provide a relatively long-acting antifouling effect in a fresh water environment, the dihydroxyl long-chain quaternary ammonium salt and the bactericide can inactivate protein in contact with the coating, and meanwhile, the reduced free energy on the surface of the polyurethane antifouling coating promotes desorption of surface fouling.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD

Osmotic bandage

An osmotic bandage for treating wounds, such as cuts, abrasions, minor burns, blisters, and post-surgical incisions. The bandage includes a bandage strip with an adhesive along with a plurality of apertures or airholes disposed therethrough for breathability. The bandage further includes a multi-layered gauze pad. The multi-layered gauze pad includes a first layer, a second salt laced layer, and a third odor-reducing layer. The salt is a natural bactericide, through the dehydration of water in bacteria, and kills any bacteria that attempt to invade or enter the wound site. A semi-permeable membrane cover may be disposed in overlying relation to the pad to prevent the salt from being in direct contact with the wound tissue and causing the patient pain.
Owner:FLORIDA A&M UNIVERSITY

High-weather-resistance high-dispersity water-based color paste and preparation method thereof

The invention belongs to the technical field of paint printing ink, and particularly discloses high-weather-resistance high-dispersity water-based color paste and a preparation method thereof. The water-based color paste comprises the following raw material components in parts by weight: 2-10 parts of an organic silicon hyperdispersant, 30-40 parts of pigment, 3-10 parts of a cosolvent, 1-3 parts of a pH stabilizer, 0.5-1 part of an organic silicon defoamer, 0.2-0.5 part of a bactericide and 45-60 parts of deionized water, the water-based color paste prepared by the invention can realize the functions of high weather resistance, high dispersion stability, substrate wetting, high color development and the like.
Owner:GUANGDONG JINLONGYUAN PRINTING MATERIAL CO LTD

Special synergistic pesticide fertilizer for perennial root sugarcane in seedling stage as well as preparation method and application of special synergistic pesticide fertilizer

The invention relates to the technical field of chemical fertilizer preparation, and discloses a special synergistic pesticide fertilizer for a ratoon cane seedling stage, a preparation method and application thereof, the pesticide fertilizer adopts a core-shell layered structure, and comprises a core fertilizer layer, a pesticide layer and a resin coating layer from inside to outside in sequence; the medical fertilizer comprises the following components: 20-40% of an organic fertilizer; 20%-40% of inorganic nitrogen fertilizer; 5%-20% of a medium element fertilizer; 0.1%-2.5% of an insecticide; 0.1%-2.5% of a bactericide; 0.5%-5% of a composite slow release agent; 0.4%-2% of a resin coating material; and the balance of filler. By optimizing a formula and a preparation process, synergistic release of fertilizer nutrients and pesticide active ingredients is realized, nutrient requirements and disease and pest control requirements of ratoon sugarcanes in the seedling stage are met, the budding rate is remarkably increased, the withered seedling rate is reduced, and yield and income are finally increased; the stability and effectiveness of each component in the pesticide fertilizer can be effectively ensured; through precise application, multiple effects of the pesticide fertilizer are exerted to the maximum extent, and a standardized technical scheme is provided for seedling management of ratoon sugarcanes.
Owner:ZHANJIANG SUGARCANE RES CENT GUANGZHOU SUGARCANE RES INST

Bacillus tequilensis 83IBC04-2 and application thereof

The invention discloses bacillus tequilensis 83IBC04-2 and application thereof, the bacillus tequilensis 83IBC04-2 comes from a deep sea hydrothermal zone and is preserved in China Center for Type Culture Collection on October 15, 2025, and the preservation number is CCTCC NO: M20252212. The compound has a remarkable antagonistic effect on a plurality of important pathogenic fungi such as tomato gray mold, tomato early blight, rice blast and wheat scab, can be used for preparing a broad-spectrum and high-efficiency biological bactericide, effectively reduces the use amount of chemical pesticides, and reduces pesticide residues and environmental pollution.
Owner:THIRD INSTITUTE OF OCEANOGRAPHY STATE OCEANI C ADMINISTRATION

Ultrahigh-temperature hypersalinity water-based guanidine gum fracturing fluid and preparation method thereof

The invention discloses an ultrahigh-temperature and high-salinity water-based guanidine gum fracturing fluid and a preparation method thereof. The guanidine gum fracturing fluid is prepared from a base fluid, a buffering agent, a cage-shaped molecule composite cross-linking agent and a gel breaker according to the mass ratio of 100: (0.1 to 0.6): (0.2 to 0.8): (0.01 to 0.08), the base solution is prepared from the following components in percentage by weight: 0.55 to 0.6 percent of a cyclodextrin modified thickening agent, 0.1 to 0.6 percent of a composite antioxidant, 0.4 to 0.8 percent of a multi-effect auxiliary agent, 0.1 to 0.2 percent of a sterilizing agent and the balance of hypersalinity water. According to the ultrahigh-temperature hypersalinity water-based guanidine gum fracturing fluid, through chemical modification of the guanidine gum thickening agent and synergistic interaction of various additives, the ultrahigh-temperature hypersalinity water-based guanidine gum fracturing fluid can resist the temperature of 200 DEG C, can be directly prepared by using hypersalinity water, realizes good fracture forming, sand carrying, temperature resistance and shearing resistance, and is low in filtration loss and damage; and the requirements of fracturing construction of ultra-deep ultra-high-temperature low-permeability reservoirs of offshore and onshore oil fields are met.
Owner:CNOOC ENERGY DEV CO LTD ENG BRANCH +1

Straw fiber-based antibacterial mulching film with temperature and humidity response performance and preparation method

The invention discloses a straw fiber-based antibacterial mulching film with temperature and humidity response performance and a preparation method, and belongs to the technical field of agricultural mulching films, the straw fiber-based antibacterial mulching film with temperature and humidity response performance comprises a bottom film layer, a slow release layer and a barrier layer in sequence from bottom to top; the slow-release layer is obtained by coating the base film layer with a mixed solution of acetic acid, a bactericide, gelatin and a plasticizer; the barrier layer is obtained by coating palm wax emulsion on the surface of the slow release layer. According to the invention, palm wax, a bactericide (carbendazim), gelatin and a wheat straw fiber-based mulching film are combined to construct the wheat straw fiber-based temperature and humidity response type bacteriostatic mulching film. The straw fiber-based antibacterial mulching film can respond according to the change of environmental temperature and humidity to realize accurate release of pesticides, so that diseases are accurately regulated and controlled.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Liquid sulfur removal agent and preparation method thereof

The invention provides a liquid sulfur removal agent and a preparation method thereof, and belongs to the technical field of natural gas hydrogen sulfide removal treatment.The liquid sulfur removal agent comprises, by weight, 36-66% of s-triazine derivatives, 5-8% of sulfolane, 2-5% of a pH control agent, 10-12% of a stabilizer, 5-8% of a scale inhibitor, 1-2% of a bactericide and the balance deionized water; wherein the s-triazine derivative is selected from a mixture of hexahydro-1, 3, 5-triacetyl-hexahydros-triazine, 1, 3, 5-triacetyl-hexahydros-triazine and 1, 3, 5-triazinane-2, 4-diketone, and the structural formula of the s-triazine derivative is shown in the description. The liquid sulfur removal agent is high in sulfur removal efficiency, good in corrosion inhibition and sterilization performance and not prone to scaling.
Owner:CHINA PETROLEUM ENG & CONSTR +1

Normal-temperature curing protective environment-friendly flame-retardant water-based coating for battery pack of new energy vehicle

The invention belongs to the technical field of surface protective coatings of battery packs for automobiles, and particularly relates to a normal-temperature curing protective environment-friendly flame-retardant water-based coating for a battery pack for a new energy vehicle. The environment-friendly coating is prepared from the following components in parts by weight: 40 to 45 parts of self-prepared acrylic emulsion PK-1220, 30 to 34 parts of 400-mesh aluminum hydroxide, 9 to 11 parts of wollastonite, 4 to 6 parts of expanded graphite, 1 to 2 parts of wood fiber, 0.1 to 0.2 part of thickening agent, 0.3 to 0.5 part of dispersing agent, 0.2 to 0.3 part of sterilizing agent and 0.5 to 1 part of coalescing agent. The high-environment-friendly flame-retardant water-based coating disclosed by the invention has the functions of protection and stone impact resistance, improves the safety of a battery pack or an oil tank in a driving process, can reduce noise in a vehicle, and can protect the safety of passengers and external personnel and avoid property loss especially when a fire breaks out.
Owner:SHENYANG PARKERIZING

Application of magnaporthe oryzae gene MoCA5 in regulation and control of pathogenicity of magnaporthe oryzae

The invention belongs to the field of plant genetic engineering, and relates to application of a magnaporthe oryzae gene MoCA5 in regulation of pathogenicity of magnaporthe oryzae. The nucleotide sequence of the magnaporthe oryzae gene MoCA5 is as shown in SEQ ID NO.1, and the coded amino acid sequence of the magnaporthe oryzae gene MoCA5 is as shown in SEQ ID NO.2. The MoCA5 gene is knocked out from magnaporthe oryzae to obtain a knockout mutant, and experiments show that compared with wild type WT, the growth and development capability of spores of the knockout mutant delta MoCA5 is obviously reduced. The MoCA5 has a carbonic anhydrase activity or has an affinity for carbonic anhydrase. Pathogenicity experiments show that the deficiency of MoCA5 significantly reduces the pathogenicity of spores and hyphae of pathogenic bacteria. The research of the invention is helpful to deeply clarify the pathogenic molecular mechanism of the pyricularia grisea-related carbonic anhydrase gene, and provides a target gene for the development of effective bactericides.
Owner:DALIAN UNIV