44results about How to "Long duration" patented technology

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

This invention discloses a method for constructing a biological model of tertiary lymphoid structures, which can rapidly and efficiently induce the generation of in situ TLS, without relying on specific tissues or organs, and without the need for complex and expensive preparation processes such as cell editing and transgenic mice. It can generate stable, mature, and long-lasting TLS structures within 2 to 3 weeks, and has the characteristics of short cycle, low cost, simple operation, reproducibility, safety and effectiveness.

This invention relates to the field of pesticide technology, specifically to a fungicidal composition, its preparation method, and its uses. The invention provides a fungicidal composition comprising an active ingredient, a first functional component, a second functional component, and an adjuvant; the active ingredient comprises fluthiazopyrone and cyazofamid; the first functional component comprises at least one selected from silica, titanium dioxide, and zinc oxide; the second functional component comprises at least one selected from citric acid, acetic acid, benzoic acid, urea, and triethanolamine. By introducing specific first and second functional components, this invention synergistically works with the active ingredient, effectively overcoming the key defects of fluthiazopyrone's easy photodegradation and cyazofamid's easy hydrolysis, thus improving the stability of the compound formulation; while ensuring the excellent control efficacy and resistance management advantages of both against oomycete diseases such as grape downy mildew, it extends the duration of action and weather resistance of the agent, providing a more stable, efficient, and long-lasting solution for field application.

The present application belongs to the technical field of biochar, and particularly relates to a high-activity acidolysis biochar, which is prepared by the following steps: S1, pretreating agricultural and livestock waste; S2, acidolysing the pretreated biomass with dilute acid to obtain acidolysed biomass; S3, placing the acidolysed biomass into a high-temperature furnace to perform carbonization under an oxygen-free condition, and using a step-by-step heating mode to obtain preliminary biochar; and S4, mixing the preliminary biochar with a copolymer solution to prepare the high-activity acidolysis biochar. In the present application, the sodium lignosulfonate-polyglutamic acid copolymer forms a stable connection with the biochar through chemical bonding, the porous surface of the biochar is uniformly covered with the copolymer to form a nanoscale film, the composite has stronger complexing, chelating and ion exchange capacity for heavy metal ions and other cations in the soil, and is helpful to reduce toxic substances in the soil and improve the soil environment.

This invention relates to the fields of pesticide formulations and pesticide pest control, specifically to a composite nano-slow-release suspension of emamectin benzoate and chlorantraniliprole, its preparation, and application. The nano-slow-release suspension comprises emamectin benzoate, chlorantraniliprole, a nanocarrier, a wetting agent, a dispersant, a synergist, a thickener, an antifoaming agent, an antifreeze, a preservative, and water. The nanocarrier is an NX-CMCS & MOF composite nanocarrier. Spraying this composite nano-pesticide onto crops improves the adhesion and penetration of the pesticide on leaves, enhances its resistance to rain washout, and effectively kills major crop pests such as bollworms, diamondback moths, cowpea thrips, and rice planthoppers. Compared with traditional pesticide formulations, it has a significant effect of reducing dosage and increasing efficacy, and has broad application prospects in the field of agricultural pest control and promoting green agriculture.

This invention belongs to the field of biological agents for aquaculture, and discloses a compound biological pond-cleaning agent containing tea saponin and its preparation method. The compound biological pond-cleaning agent of this invention comprises the following components by weight: 3-10 parts tea saponin, 60-70 parts roe beetle root powder, 10-20 parts Buddleja officinalis, 5-10 parts compound microbial powder, 3-8 parts adjuvants, and 10-20 parts carrier; the adjuvant is a mixture of sodium lignin sulfonate and sodium dodecylbenzene sulfonate; the compound microbial powder is a mixture of Bacillus subtilis and photosynthetic bacteria; and the carrier is diatomaceous earth. This invention combines three natural active ingredients—tea saponin, roe beetle root powder, and Buddleja officinalis—with suitable adjuvants and a carrier, which can expand the pond-cleaning range and has good killing or inhibitory effects on harmful organisms such as wild fish, shrimp, crabs, and snails, as well as various pathogens. The pond-cleaning is thorough, and the raw materials are easily degradable, leaving no residue. It is environmentally friendly and has a long-lasting effect, which is of great significance for promoting the green and sustainable development of aquaculture.

The invention relates to the technical field of bactericides for crops, in particular to a bacillus cereus-containing bactericidal composition and application thereof in prevention and control of camellia oleifera anthracnose. The active ingredients of the bactericidal composition comprise bacillus cereus WR-12 and diflumetofen sulfanilamide. According to the bactericidal composition, the synergistic bactericidal effect is enhanced by compounding a biological fungicide and a chemical fungicide, the development of drug resistance of pathogenic bacteria is delayed, the negative influence of chemical pesticides on the environment is reduced, green and efficient prevention and control of camellia oleifera anthracnose are achieved, and sustainable development of the camellia oleifera industry is promoted.

The invention discloses a granular bio-fertilizer and a preparation method thereof, and the granular bio-fertilizer comprises the following components in percentage by weight: 94-97% of a base fertilizer, 2-5% of a synergist and 1-2% of an auxiliary agent. The granular bio-fertilizer is a fertilizer prepared by compatibility of one of an inorganic fertilizer, an organic fertilizer and an organic and inorganic fertilizer with a bio-fertilizer synergist. The granular bio-fertilizer disclosed by the invention can adopt an inorganic fertilizer, an organic fertilizer or an organic and inorganic fertilizer as a base fertilizer, can be suitable for almost all granular fertilizers (except for fertilizers with a killing function on microorganisms or an antagonistic effect on components in a bio-fertilizer synergist) in the current market, and is simple in production process, relatively low in cost and suitable for industrial production. Moreover, the added value of the product can be effectively improved, and the production process belongs to a novel fertilizer production process and has a huge market popularization value.

This invention discloses a ROS-responsive Trichoderma-derived composite nanoparticle in the field of plant biocontrol, its preparation method, and its application in controlling tomato gray mold. The aqueous solution of the nanoparticles contains: mesoporous silica (MSN), 6-pentyl-2H-pyran-2-one (6PP), and the plant-responsive protein Epl1. The aqueous solution of the nanoparticles uses the main metabolites of Trichoderma, 6PP and Epl1, as its core. Both 6PP and Epl1 have dual functions of broad-spectrum fungicidal activity and inducing plant immunity. MSN is synthesized using the Stöber method and modified with an S-containing backbone and surface amino groups, providing protection, slow release, and precise delivery of 6PP and Epl1. The 6PP in the aqueous solution of the nanoparticles can be rapidly released in response to low pH and high ROS conditions. The carrier works synergistically with the two components, significantly improving the induction of resistance and direct fungicidal effects on tomato plants and fruits compared to single-component methods. It is particularly suitable for foliar fungal diseases of vegetable crops in the field and has high practical value for widespread field application.

The invention discloses ultra-microporous synergistic powder for tank mixing of pesticides as well as a preparation method and application of the ultra-microporous synergistic powder, and belongs to the technical field of functional auxiliary agents of the pesticides. The powder takes a natural porous material as a raw material, is prepared through raw material pretreatment, inert atmosphere high-temperature calcination activation, superfine grinding and homogeneous compounding, and contains 85-98% of superfine porous powder, 1-10% of a dispersing agent and 1-5% of a wetting penetrant. The key of application is that the barrel mixing sequence of diluting the pesticide and then adding the powder is adopted, the adding amount is 1%-5% of the total weight of the pesticide liquid, the powder can efficiently adsorb effective components of the pesticide, and the light stability and the lasting period of the pesticide are remarkably improved through the ultraviolet shielding effect and the adsorption-desorption slow release effect of the ultra-micropore structure. The product and the using method are specially designed for terminal users, operation is easy and convenient, and efficiency is remarkable.

The invention relates to a CD70 and BCMA targeting dual-targeting chimeric antigen receptor and an application thereof. The CD70 and BCMA targeting dual-targeting chimeric antigen receptor has specific binding ability to CD70 and BCMA. The immune effector cell prepared on the basis of the double-targeting chimeric antigen receptor has the following advantages that the probability that tumor cells escape treatment by losing a single antigen is greatly reduced, and the targeting treatment effect is improved; a CD70 nano antibody sequence is used, so that the length of an insertion fragment is greatly shortened, and the development difficulty of a process end is reduced; and the polypeptide has excellent proliferation capacity, is beneficial to prolonging the in-vivo duration time, and plays a more remarkable anti-tumor role. The invention provides a treatment or improvement approach for diseases related to BCMA-CD70 expression.

The utility model belongs to the technical field of environmental protection equipment, and particularly relates to an integrated multi-medium filtering type rainwater recycling device which comprises an installation cabinet, a multi-medium filter and a dosing assembly which are connected through a pipeline are arranged in the installation cabinet, and the multi-medium filter is provided with a water inlet pipe and a water outlet pipe. The dosing assembly comprises a clarifying agent tank and a long-acting disinfectant tank, the clarifying agent tank is connected with the water inlet pipe through a pipeline, and the long-acting disinfectant tank is connected with the water outlet pipe through a pipeline. According to the present invention, the filtration effect is improved, the floor area is reduced, the adopted clarifying agent is added in front of the filter, the clarifying agent enables the impurities in the rainwater to form the aggregated large flocs before entering the filter so as to improve the filtration effect, the long-acting disinfectant is added after the water passes through the filter, and the long-acting disinfectant adopts the chlorine preparation so as to achieve the long disinfection effect lasting time.

The application provides a non-cultivated land herbicide composition and application thereof, and belongs to the technical field of non-cultivated land herbicides. The effective component of the non-cultivated land herbicide composition comprises hexazinone, diuron, 2,4-D and glyphosate; further, the non-cultivated land herbicide composition further comprises a synergist. The non-cultivated land herbicide composition provided by the application has the advantages of high efficiency, low toxicity, broad-spectrum eradication, rapid effect, long persistence, simple operation and easy implementation; the addition of the synergist can improve the penetration, adhesion and rainwater erosion resistance of the herbicide to weed stems and leaves and soil, improve the herbicidal efficacy and reduce the occurrence probability of phytotoxicity; further, the synergist can accelerate the effect speed of the herbicide and improve the utilization efficiency of the herbicide. The application can overcome the shortcomings of the development of weed resistance caused by the long-term use of conventional single herbicide or binary compound preparation, make up for the deficiencies of the existing non-cultivated land herbicides and guarantee the efficient and safe control of non-cultivated land weeds.

The invention discloses a CaCO3-based validamycin controlled release preparation and a preparation method thereof, and the preparation method comprises the following steps: taking glucose, amino acid and water as raw materials, reacting under a microwave heating condition, and standing to obtain carbon dots; wherein the amino acid is one or a mixture of more of lysine, histidine and arginine; the preparation method comprises the following steps: mixing validamycin, water and calcium acetate, stirring, adding carbon dots, and stirring to obtain a validamycin / carbon dot mixed solution; and adding a sodium carbonate aqueous solution into the validamycin / carbon dot mixed solution, stirring, standing, and drying the obtained precipitate to obtain the CaCO3-based validamycin controlled release preparation. The controlled release preparation has the characteristics of high drug loading rate, controllable drug release, simple preparation process and the like, and provides a new strategy for developing CaCO3-based nano pesticides.

The application relates to the technical field of pesticides, and particularly discloses a tetramethylpyrazine suspension agent with slow-release performance and a preparation method thereof. The tetramethylpyrazine is prepared into a suspension, so that the particle size of the tetramethylpyrazine can be controlled, and tetramethylpyrazine particles with a suitable particle size as a capsule core can be obtained without dissolving and emulsifying the tetramethylpyrazine technical material. The application overcomes the defect that the tetramethylpyrazine is difficult to adopt a traditional microcapsule coating process, and a capsule membrane formed by a melamine modified urea-formaldehyde resin prepolymer can hinder the degradation of the tetramethylpyrazine, thereby prolonging the persistence period of the tetramethylpyrazine suspension agent and improving the insecticidal effect of the tetramethylpyrazine pesticide.

This invention discloses a sugar-vinegar liquor for controlling the tea geometrid moth and its preparation process, belonging to the field of green pest control technology for tea gardens. It addresses the problems of existing sugar-vinegar liquors for controlling the tea geometrid moth, such as weak targeting, short-lasting effect, incomplete control, imperfect formulation and application process, and unreasonable cost control. The method includes the following steps: weighing sugar, vinegar, liquor, and water according to the volume ratio of the basic components; adding sugar to water and stirring until completely dissolved to obtain a sugar-water solution; adding vinegar and liquor sequentially to the sugar-water solution and stirring evenly to obtain a basic sugar-vinegar liquor; sequentially adding a targeted attractant, a long-acting slow-release factor, and an environmentally friendly killing factor to the basic sugar-vinegar liquor, stirring for 10-15 minutes after each addition to ensure thorough mixing, resulting in a sugar-vinegar liquor for controlling the tea geometrid moth. This invention significantly improves the trapping specificity and efficiency by optimizing the basic ratio, selecting targeted raw materials, and adding a tea geometrid moth-specific targeted attractant.

The application belongs to the field of food preservation technology, and relates to a chitosan-gelatin composite preservative solution based on plasma-activated water modification and a preparation method and application thereof. First, PAW is used to prepare chitosan solution and gelatin solution respectively, and the composite preservative solution is obtained after mixing and homogenizing. The coating is dehydrated to form a preservative film. The PAW is prepared by treating deionized water with low-temperature plasma, and is rich in active ingredients such as hydroxyl radicals and hydrogen peroxide, which can effectively modify chitosan and gelatin, enhance intermolecular crosslinking, and form a composite film with a dense network structure. The composite film can be applied to fish preservation through coating or immersion, can effectively inhibit the growth of microorganisms, and can improve the color of fish fillets. In addition, the composite film has the function of delaying protein degradation by inhibiting endogenous protease activity, thereby maintaining the muscle tissue structure and prolonging the shelf life of chilled fish fillets. The application has the advantages of simple process, green safety, remarkable preservation effect, and wide market application prospect.

The utility model belongs to the sole technical field provides the perspiration and moisture absorption antibacterial composite sole, include: sole body, the sole body includes the slow shock antibacterial layer, slow shock antibacterial layer one side is connected with the sweat absorption layer, the sweat absorption layer is connected with the perspiration layer far from slow shock antibacterial layer one side, the perspiration layer is connected with the antiskid waterproof layer far from sweat absorption layer one side, slow shock antibacterial layer contacts foot, slow shock antibacterial layer is used for providing slow shock and antibacterial, the sweat absorption layer is used for absorbing the perspiration of foot, the perspiration layer is used for promoting the evaporation of perspiration and air circulation, the antiskid waterproof layer is contacted with ground, the antiskid waterproof layer is used for providing antiskid, the utility model discloses through the scientific collocation and reasonable layout of four different function materials, not only has promoted the wearing comfort, still has shown the remarkable superiority in foot health protection, environmental adaptability and safety etc.

This invention relates to the field of multi-split air conditioning system technology, specifically to a disturbance control method for the outer loop electronic expansion valve of an air conditioning system. The problem this invention addresses is how to actively eliminate oil and refrigerant blockage and reduce exhaust temperature during defrosting or oil return processes through forced disturbance control of the outer loop electronic expansion valve. To solve this problem, this invention provides a control method comprising: acquiring the operating status parameters of the air conditioning system; determining whether the air conditioning system has triggered a disturbance program based on the status parameters; correcting the reference setting based on the exhaust temperature, compressor return superheat, and oil separator return oil temperature during the execution of the disturbance mode; determining whether to exit the disturbance program based on the exhaust temperature and the execution duration of the disturbance program during defrosting and oil return modes; and automatically exiting the disturbance program when the air conditioning system exits the defrosting or oil return mode.

This disclosure pertains to the field of biomedicine, specifically relating to double-stranded oligonucleotides targeting the APP gene and their applications. Specifically, it provides double-stranded oligonucleotide agents or their salts, conjugates, or compositions for inhibiting amyloid precursor protein (APP) expression, wherein the double-stranded oligonucleotide agent comprises a sense strand and an antisense strand forming a double-stranded region; wherein the antisense strand sequence comprises at least 15 consecutive nucleotides of any of the sequences shown in SEQ ID NO:1-154 with a difference of no more than 3 nucleotides, and / or the sense strand sequence comprises at least 15 consecutive nucleotides of any of the sequences shown in SEQ ID NO:155-308 with a difference of no more than 3 nucleotides. The double-stranded oligonucleotide agent or its salt for inhibiting APP expression disclosed in this application can significantly inhibit APP expression and can be used for the prevention and / or treatment of diseases or conditions mediated by the APP gene and / or associated with protein amyloidosis.

The utility model belongs to the technical field of environmental protection equipment, and particularly relates to an integrated superfine micropore multilayer filtering type rainwater recycling device which comprises an installation cabinet, a superfine micropore multilayer filter and a chemical adding assembly which are connected through a pipeline are arranged in the installation cabinet, and the superfine micropore multilayer filter is provided with a water inlet pipe and a water outlet pipe. The ultrafine micropore multilayer filter comprises a machine body and a plurality of groups of filter elements, the dosing assembly comprises a clarifying agent tank and a long-acting disinfectant tank, the clarifying agent tank is connected with the water inlet pipe through a pipeline, and the long-acting disinfectant tank is connected with the water outlet pipe through a pipeline. According to the utility model, rainwater is treated through the ultrafine micropore multilayer filter, so that the arrangement of a split type filter is avoided, the occupied area is reduced, and meanwhile, a plurality of groups of filter elements are adopted, so that the requirement of large-flux filtration can be met, and the filtration precision of 150 microns can be realized at the same time.

The application discloses a method for regulating aeration of a biological drying system based on sludge moisture content, and relates to the technical field of municipal sludge treatment. In the biological drying process, the application can regulate the aeration amount in real time according to the sludge moisture content, realizes appropriate supply of the aeration amount in different stages, maximally reduces heat loss generated by aerobic microbial metabolism, realizes rapid temperature rise of a pile body, further improves the maximum temperature of the pile body, prolongs the duration of the high-temperature period, and promotes rapid evaporation of the moisture of the material. Compared with the conventional intermittent aeration or continuous aeration sludge biological drying technology, the application improves the sludge biological drying efficiency, and shortens the time required for reducing the moisture content to below 40% to within 7 days.

This invention discloses a slow-release granule formulation of sodium alginate-biochar loaded with thiamethoxam, its preparation method, and its application. The slow-release granule uses biochar as the adsorbent carrier to adsorb thiamethoxam and sodium alginate as the encapsulating material, which is then cross-linked and solidified by dripping calcium chloride solution. The mass ratio of biochar to thiamethoxam is (10~30):1, the mass-to-volume ratio of sodium alginate to water is 1.5~2.0 g:100 mL, and the concentration of the calcium chloride solution is 1.5%~3.0%. The prepared slow-release granule has a cumulative release time of over 90 hours in distilled water, with no obvious burst release phenomenon. Pot experiments show that it maintains a continuous control effect on eggplant thrips for 7 days after application, which is superior to conventional spraying treatment. This invention has a simple preparation process, is environmentally friendly, and has excellent slow-release performance, making it suitable for green control of agricultural pests.

The invention discloses an intestinal flora preparation based on polylactic acid microspheres and a preparation method of the intestinal flora preparation, and belongs to the technical field of biological medicines.The preparation comprises functional active flora and the polylactic acid microspheres loaded with the flora, the screened and extracted functional intestinal flora is combined with the biodegradable polylactic acid microspheres, and the functional active flora and the polylactic acid microspheres are combined to prepare the intestinal flora preparation based on the polylactic acid microspheres. The sustained release characteristic, adhesion and protection effect of the polylactic acid microspheres are utilized, the colonization rate, survival rate and durability of transplanted flora in the intestinal tract of a host are remarkably improved, and the preparation can be used for preparing drugs for treating related diseases caused by alteration of intestinal flora, such as clostridium difficile infection, inflammatory bowel disease, metabolic syndrome, autism and the like, and can be used for preparing medicines for treating related diseases caused by alteration of intestinal flora. The composition has the advantages of remarkable curative effect, good stability, convenience in use and the like.

The invention provides positively charged super-hydrophobic powder for preventing and treating termites as well as a preparation method and application of the positively charged super-hydrophobic powder, and belongs to the technical field of pesticide formulation processing. The positively charged super-hydrophobic powder takes super-hydrophobic silicon dioxide as a carrier, and other raw materials comprise a medicament and a functional additive. The preparation method comprises the following steps: dissolving the medicament and the functional additive in acetone, spraying on the super-hydrophobic silicon dioxide, uniformly stirring, and crushing to obtain the super-hydrophobic powder with positive charges. According to the prepared super-hydrophobic powder, the lasting period can be prolonged, the drug use frequency and the drug use amount are reduced, and pollution to water and soil is reduced. Positive charges generated by mutual friction between powder particles and negative charges of termite body walls attract each other, so that the adhesive force and the distribution uniformity of the powder are improved. The powder is low in toxicity, long in poisoning time after being contacted with termites and beneficial for the termites to carry the medicament to return to nests, and nest cleaning is achieved. And the application method is simple and efficient, the targeting property is strong, the toxicity to other organisms and human bodies is lower, and the safety is higher.

The application provides a gas floatation separation and dirt removal system and method, and relates to the technical field of sewage treatment.The system comprises a water tank, a gas floatation cyclone separation device, an intermittent air supply device and a circulating supply device.The water tank is used for storing oil-containing sewage, and the gas floatation cyclone separation device is connected with the water tank.The circulating supply device is used for extracting the sewage in the water tank and supplying the sewage to the gas floatation cyclone separation device, and the intermittent air supply device is used for supplying air to the gas floatation cyclone separation device.The gas floatation cyclone separation device can perform gas floatation separation treatment on the oil dirt in the sewage.The sewage after the gas floatation separation is discharged into the water tank again, and is extracted by the circulating supply device and supplied to the gas floatation cyclone separation device again, so that the circulating water supply of the gas floatation cyclone separation device is completed, and the gas floatation cyclone separation device can perform the gas floatation separation treatment on the sewage cyclically, thereby increasing the oil dirt treatment effect on the oil-containing sewage.

The invention belongs to the technical field of pesticide sterilization, and discloses a chlorothalonil-containing bactericidal composition and application thereof, the bactericidal composition comprises an active component A and an active component B, the active component A is Cyclobutrifluram, the active component B is chlorothalonil, and the mass ratio of the active component A to the active component B is 1: 56-56: 1. The bactericidal composition disclosed by the invention has a relatively good control effect on plant diseases such as gibberellic disease and fusarium wilt, can slow down the generation and development of drug resistance of pathogenic bacteria, reduces the use dosage of pesticides, and has an obvious yield keeping effect.

The application belongs to the technical field of pesticide insecticide and fungicide, and discloses a pesticide composition containing fluazinam and fludioxonil and application thereof. The pesticide composition comprises a fungicide and an insecticide. The fungicide is fluazinam and fludioxonil, and the insecticide is thiamethoxam. The pesticide composition has reasonable components, can prevent various plant diseases and insect pests, and has remarkable synergistic effect after one-time application, thereby saving labor and time.

This application discloses a cooling water volume control method, device, medium, and electronic equipment. The method includes: if the previous slab is in a headless mode and the current slab is in a single-slab mode, then acquiring the first cooling water volume of each finishing mill in the headless mode; for each roughing mill, determining the current distance between the roughing mill and the finishing mill group; designating the roughing mill with the smallest current distance as the target roughing mill; for each finishing mill, in response to the bite signal of the target roughing mill on the current slab, acquiring the first no-load cooling water volume of the finishing mill, reducing the cooling water volume of the finishing mill from the first cooling water volume to the first no-load cooling water volume; in response to the bite signal of the finishing mill on the current slab, acquiring the second cooling water volume of the finishing mill in the single-slab mode, increasing the cooling water volume of the finishing mill from the first no-load cooling water volume to the second cooling water volume. This application provides sufficient cooling of the rolls, which is beneficial for controlling the shape of the single slab.

This disclosure relates to a seed treatment microcapsule suspension-suspension containing chlorantraniliprole, fludioxonil, and metalaxyl, and its preparation method. The method includes: 1) dispersing metalaxyl emulsifiable concentrate in an emulsifier solution to obtain a first material; 2) mixing the first material with an aqueous monomer solution to obtain a second material; 3) adjusting the pH of the second material to 3.5-5.0 and performing solidification and condensation to obtain a third material; 4) mixing the third material with a first dispersant, a first thickener, and an antifreeze agent to obtain a metalaxyl microcapsule suspension; 5) mixing the metalaxyl microcapsule suspension with a chlorantraniliprole-fludioxonil suspension, a film-forming agent, and a colorant to form a metalaxyl-fludioxonil-chlorantraniliprole seed treatment microcapsule suspension-suspension. This method can increase the storage stability of the formulation, effectively prolong the effective period of metalaxyl, and at the same time, the combined use of metalaxyl with chlorantraniliprole and fludioxonil broadens the fungicidal spectrum, effectively preventing and controlling various seedling diseases and pests of crops.