39results about How to "Reduce production cost and use cost" patented technology

A holding device for a camera includes a base and an inserting member; the base includes a limiting slot and a first wire slot formed on a bottom portion of the limiting slot; the inserting member is inserted to the limiting slot to engage with the limiting slot; the inserting member includes a second wire slot formed on a side thereof which contacts the limiting slot, and the second wire slot engages with the first wire slot after the inserting member is inserted into the limiting slot to engage with the limiting slot. The holding device of the present disclosure not only allows a user to mount a camera to hamlets, walls, or planes, but also avoids the situation where the whole holding device needs to be replaced when one of the above components is damaged.

The invention provides a warp elastic fabric and a weaving method thereof. The fabric is mainly weaved and finished by warp yarns and weft yarns through a weaving machine, wherein the warp yarns and the weft yarns are selected from at least one of cladded yarns of cotton yarns and spandex, covered yarns of the cotton yarns and the spandex, and the cotton yarns respectively; and the warp yarns select cotton covered yarns or cladded yarns of between C10S plus 70D and C40S plus 120D, and the warp yarns adopt cotton yarns of between C10S and C40S. The weaving method comprises the following steps: firstly, selecting raw materials of the warp yarns and the weft yarns, and using the cladded yarns of the cotton yarns and the spandex, the covered yarns of the cotton yarns and the spandex, and the cotton yarns as the warp yarns and the weft yarns; secondly, organizing and weaving the fabric by a method of plain weaving; and thirdly, finishing process of the fabric. The fabric is treated with slashing or without slashing according to different weaving machines, and is weaved by plain weaving through a single axis setting machinery or a double axis setting machinery. The fabric has stable warp elasticity with elasticity ratio reaching 100 to 250 percent and elastic recovery ratio over 95 percent, so that the fabric utilization rate is improved to over 95 percent from the prior utilization rate of about 70 percent, and qualified rate of the product reaches 98 percent so as to greatly reduce production cost and use cost.

The invention discloses a method for producing alpha-oxoglutarate under catalysis of L-glutamate oxidase. The method comprises the following steps: performing optimal design and synthesis on codon of an L-glutamate oxidase (L-GOX) gene; constructing a fusion expression vector pET-28a-LGOX-ELP of the L-GOX and Elastin-Like Proteins (ELP), transferring the vector into escherichia coli Rosetta (DE3), selecting a converter for cultivation, adding an inducer for expression, and obtaining recombined L-glutamate oxidase fusion protein crude enzyme fluid; performing purification by an ITC method, thus obtaining recombined L-glutamate oxidase fusion proteins, performing enzyme digestion on the recombined L-glutamate oxidase fusion proteins by protease, and obtaining mature L-glutamate oxidase; producing oxoglutarate under the catalysis of the mature L-glutamate oxidase. The method is simple, quick and efficient, can be used for large-scale separation and purification of L-glutamate oxidase, and is higher in actual application value in the enzyme production of oxoglutarate.

The invention relates to a nematicidal composition containing fluensulfone and abamectin. The effective components are the fluensulfone and the abamectin with the mass ratio being (1-25):(25-1) in a binary combination manner; in a preparation, the mass-part ratio of the fluensulfone and the abamectin is 1%-80%, and the balance is auxiliary components allowable and acceptable to use in pesticides. The nematicidal composition comprises the following preparation forms such as missible oil, a suspending agent, a wettable powder agent, a water agent, a water dispersible granule agent, a water emulsion agent, a microemulsion agent, a granule agent and a microcapsule agent and is mainly used for preventing and treating insect pests of nematode and the like of solanaceae vegetables, cucurbitaceous vegetables, lettuces and other leafy vegetables.

The invention relates to an insecticide composition containing flutenzine and bistrifluron. The effective ingredients of the insecticide composition are compounded of flutenzine and bistrifluron, and the rest of the insecticide composition is an auxiliary ingredient. The mass ratio of the flutenzine to the bistrifluron is 14-38:28-4, and the mass of the effective ingredients, namely the flutenzine and the bistrifluron, account for 1%-80% of the total mass of the entire insecticide composition. The insecticide composition provided by the invention can be prepared into emulsified oil, a suspending agent, wettable powder, water dispersible granules, a water emulsion, and a microemulsion of the pesticide formulation. The insecticide composition is mainly used for treating and preventing harmful mites, such as panonychus citri, spirodiclofen, polyphagotarsonemus latus, tetranychus cinnabarinus, tetranychus urticae Koch and the like, and most lepidoptera pests of various kinds of plants.

The invention relates to an insecticidal composition containing lufenuron and cyantraniliprole. The effective components are compounded by the lufenuron and the cyantraniliprole in the mass ratio of (1-40): (40-1); and the total weight of the effective components (namely the lufenuron and the cyantraniliprole) accounts for 1%-80% of the weight of the composition, and other components are auxiliary components allowable and acceptable in pesticides. The insecticidal composition is in the form of missible oil, a suspending agent, wettable powder, water dispersible granules, emulsion in water, or microemulsion. The insecticidal composition is mainly used for killing leaf-eating caterpillars, thrips, rust mites, trialeurodes vaporariorum and hemiptera and coleoptera pests on fruit trees and the like.

The invention relates to a bactericidal composition containing prothioconazole and isotianil. The bactericidal composition is prepared from active ingredients (prothioconazole and isotianil) in compounding and the balance being pesticidically acceptable auxiliary elements, wherein the mass ratio of the prothioconazole to the isotianil in the pesticide composition is 1-50:50-1, the total mass fraction of the prothioconazole and the isotianil in the composition is 1-80%. The bactericidal composition can be prepared into missible oil, suspending agent, wettable powder, water dispersible granule, emulsion in water, microemulsion, granular formulation, microcapsule and aqueous solution, and can be mainly used for preventing diseases of cash crops such as wheat and barley powdery mildew, banded sclerotial blight, blight, leaf spot, rust, stalk break, leaf blotch, rice blast and the like.

The invention provides a sterilization composition containing efficient metalaxyl-M and azoxystrobin. Effective components including the efficient metalaxyl-M and the azoxystrobin of the sterilization composition are compounded in a binary manner and the balance is auxiliary components, wherein the mass ratio of the efficient components of the metalaxyl-M to the azoxystrobin in the pesticide composition is (1 to 50): (50 to 1); the mass percent of the effective components including the efficient metalaxyl-M and the azoxystrobin in a preparation is 1 percent to 80 percent, and the balance is auxiliary components allowable and acceptable in pesticides. The pesticide composition provided by the invention has dosage forms including missible oil, a suspending agent, wettable powder, water dispersible granules, emulsion in water, micro-emulsion, granules, microcapsules and aqueous solutions. The sterilization composition can be used for effectively controlling diseases including gray mold, powdery mildew and downy mildew and the like on vegetables, flowers and fruits.

The embodiments of the invention disclose a magnetic levitation camera rotation control structure and a rotatable magnetic levitation camera. The magnetic levitation camera rotation control structurecomprises a magnetic levitation base and a magnetic levitation camera. A magnetic-levitation magnetic seat, a first magnetic positioning block, a rotation driving part and a chassis are arranged in the magnetic levitation base, wherein the magnetic-levitation magnetic seat and the chassis are oppositely connected in a rotatable mode. The magnetic levitation camera comprises a camera body, a levitation magnet and a second magnetic positioning block, wherein the levitation magnet and the opposite side of the magnetic-levitation magnetic seat have the same polarity, and the second magnetic positioning block and the opposite side of the first magnetic positioning block have the opposite polarity, so that the magnetic levitation camera stably levitates above the magnetic-levitation magnetic seat. The position of the magnetic levitation camera relative to the magnetic-levitation magnetic seat is fixed, the magnetic-levitation magnetic seat is driven to rotate to drive the magnetic levitationcamera to synchronously rotate, a control mode of controlling the magnetic levitation camera to rotate is simplified, and production and use costs are lowered.

The invention discloses a thick-film circuit resistance paste for a stainless steel substrate and a preparing method thereof. The thick-film circuit resistance paste is composed of two parts of a solid phase component and an organic liquid phase; the solid phase component comprises a conductive phase and a microcrystalline glass phase, the conductive phase is composed of Cu2O-GeO2 compound +Cu powder, and the microcrystalline glass phase is a SiO2-Al2O3-B2O3-CaO-ZrO2-Co2O3 compound; and the organic liquid phase is a mixed liquid phase of terpineol, tributyle citrate, ethyl cellulose, span 85, 1,4-butyrolactone and a hydrogenated castor oil. The preparing method of the thick-film circuit resistance paste comprises firstly preparing the conductive phase and the microcrystalline glass phase respectively, preparing the organic liquid phase then, finally performing mixing modulation of the conductive phase, the microcrystalline glass phase and the organic liquid phase, and then the resistance paste can be obtained.

The invention relates to a bactericidal composition containing meptyldinocap and fluazinam. The active ingredients of the bactericidal composition are meptyldinocap and fluazinam in a mass ratio of (1-50) to (50-1). Meptyldinocap and fluazinam are subjected to binary compounding. The preparation comprises 1-80% by mass of meptyldinocap, 1-80% by mass of fluazinam and the balance of auxiliary ingredients which are allowed to be used and accepted in pesticides. The dosage forms of the bactericidal composition include emulsifiable concentrate, suspension concentrate, wettable powder, water aqua, water dispersible granules, emulsion in water, microemulsion, granules and microcapsules. The bactericidal composition is suitable for controlling various powdery mildew of ornamental plants such as fruit trees, vegetables, flowers and plants and the like and field crops.

The invention relates to an insecticide composition containing fipronil and spirotetramat. The active ingredients are obtained by binary compounding of fipronil and spirotetramat, wherein the mass ratio of the fipronil to the spirotetramat is (14-32): (24-6); the mass fraction of the active ingredient fipronil to the active ingredient spirotetramat in the preparation is 1%-80%, the rest is auxiliary element which is allowed for use or accepted in pesticide. The form of the insecticide composition provided by the invention is missible oil, suspending agent, wettable powder, water dispersible granule, emulsion in water and microemulsion. The insecticide composition containing fipronil and spirotetramat provided by the invention is mainly used for preventing and controlling leafhoppers, plant hoppers, plutella xylostellas, pieris rapaes, aphids, thrips, phylloxeras, mealybugs, aleyrodids and scale insects.

The invention discloses a bactericidal composition containing prothioconazole and prochloraz. The bactericidal composition comprises active ingredients, namely prothioconazole and prochloraz which are compounded and the balance being auxiliary ingredients, wherein a mass ratio of prothioconazole to prochloraz in the pesticide composition is (1-50):(50-1); the mass part ratio of the active ingredients, namely prothioconazole and prochloraz, in the preparation is 1-80 percent, and auxiliary ingredients are pesticidally permitted and acceptable. The bactericidal composition has the dosage forms such as missible oil, suspending agent, wettable powder, water dispersible granules, emulsion in water, microemulsion, granules, microcapsules and soluble concentrate and is mainly used for preventing and treating powdery mildew, banded sclerotial blight, wilt, leaf spot disease, rust disease, stalk break and rice blast of cereal crops as well as anthracnose and leaf spot disease of melons, fruits and vegetables.

The invention discloses an easily-mountable combined type doorframe, which belongs to the technical field of doorframes. The technical key point is that the easily-mountable combined type doorframe comprises a framework consisting of an inner frame and an outer frame which are corresponding to each other, wherein the combined surface of the inner frame and the outer frame is respectively provided with a raised line and a groove which continuously extend along the length direction and matched with each other; and the outer side of the inner frame and/or the outer frame is provided with a decorative cover plate. The invention aims to provide the easily-mountable combined type doorframe which is convenient to mount, has a beautiful appearance, is easy to adjust, has a sealing effect and is used for mounting a door.

The invention belongs to the technical field of water treatment valve bodies, aims to solve the technical problem that in the prior art, the effective area of a water inlet and outlet hole in a valve body cannot concisely and effectively reach the effective area of a water inlet and outlet pipe opening outside the valve body, and provides a water treatment multifunctional filter valve which comprises a valve body, a movable valve plate, a fixed valve plate and a driving device. The fixed valve plate is fixedly installed in the valve body, the movable valve plate and the fixed valve plate are in running fit in the valve body, and a water inlet, a water outlet and a water outlet are formed in the side wall of the valve body. The multifunctional filter valve for water treatment has the advantages that the effective area of the water inlet and outlet hole in the valve body can be freely adjusted as required within the effective area range of the water inlet and outlet pipe orifice outside the valve body, the design limit of a single plane structure valve with the same function is achieved under the condition that auxiliary equipment is not added, and the multifunctional filter valve is simple in structure and convenient to use. The use cost and the production cost are reduced, the use efficiency is improved, and the performance is excellent.

The invention relates to a monolithic integration type MEMS gas sensor. By integrating a plurality of gas sensors on a substrate, various gases can be detected simultaneously or at different times according to requirements, thereby effectively reducing the production cost and the use cost. The monolithic integration type MEMS gas sensor comprises a substrate and a silicon carbide layer on the substrate, an upper surface of the silicon carbide layer is coated with a silicon dioxide film, the upper surface of the silicon oxide film is provided with an insulating layer, the upper surface of the insulating layer is provided with gas sensitive layers, a heating electrode is disposed between the gas sensitive layers and the insulating layer, two or more gas sensitive layers are disposed, a thermosensitive layer is disposed between the gas sensitive layers and the heating electrode, the substrate, the silicon carbide layer, the silicon dioxide film, the insulating layer, the heating electrode, the thermosensitive layer and the gas sensitive layers are respectively connected by bonding layers, the upper surface of the gas sensitive layer is coated with a gas sensitive metal oxide film, andthe gas sensitive metal oxide film on each gas sensitive layer is made of different or the same material.

The invention relates to an emamectin benzoate and abamectin containing pesticidal composition. The effective components of the pesticidal composition are the binary compound of emamectin benzoate and abamectin. The mass ratio of the emamectin benzoate to the abamectin is (1-50):(50-1), the mass fraction ratio of the effective components including the emamectin benzoate and the abamectin in the preparation is 1-80%, the remaining components of the pesticidal composition are auxiliary components allowably used and received in pesticides, and the dosage form of the pesticidal composition is missible oil, suspending agent, wettable powder, water dispersible granule, emulsion in water, microemulsion, granula, microcapsule and water aqua. The pesticidal composition is mainly used for preventing and controlling insect pests such as red-belt tortrix, myzus persicae and noctuid, cotton bollworms, tobacco hornworms, plutella xylostella armyworms, asparagus caterpillar, dry-land laphygma exiguaHiibner, cabbage loopers, cabbage plusia agnata staudinger, imported cabbageworms, red spiders and the like on vegetables and fruits.

The invention relates to a refractory nitrile synthetic rubber and its process for preparing, in which the said rubber is the preferred sealing element of the equipments such as oil-extraction, petroleum cracking and coal stilling basin used in a hot environment. The said rubber is prepared by the following raw materials (weight parts): butyronitrile NA36-40, asbestos fiber, active zinc bloom, antiager D, atomizing coom 330, calcium carbonate, phenol resin 2123, accelerant M, benzene, sulfur and carbon fiber.

The invention discloses a sterilization composition containing benziothiazolinone and bromothalonil. The sterilization composition comprises benziothiazolinone and bromothalonil as active ingredients and other auxiliary components. A mass ratio of benziothiazolinone to bromothalonil as active ingredients in the sterilization composition is 1-50: 100-1. The sterilization composition comprises 0.1-50% by mass of benziothiazolinone and bromothalonil and the balance pesticide allowable and acceptable auxiliary components. The sterilization composition can be processed to form missible oil, a suspending agent, wettable powder, water dispersible granules, emulsion in water, micron-emulsion, granules, a microcapsule and aqua, is used for preventing and treating a plurality of fungus and micobial diseases and is mainly used for preventing and treating bacterial angular leaf spot disease, anthracnose, scab, powdery mildew and rust disease.

The invention discloses a testing cotton swab as well as a preparation method and a testing method thereof. The testing cotton swab comprises a cotton swab handle and a cotton swab head, wherein the cotton swab head is inserted into a solid culture medium after being immersed into antibiotics, and a solid culture medium layer is formed on the surface of the cotton swab head. The testing cotton swab is simple in structure and low in cost, a bacterial growth stimulating factor can remarkably stimulate growth of bacteria when the testing cotton swab is used for testing the drug sensitivity of bacteria, the multiplication culture time is remarkably shortened, and accordingly, time of the whole testing process is shortened; due to existence of a bacterial growth indicator, the condition of bacterial colonies formed through growth of bacteria can be indicated by color change, people can distinguish the bacterial colonies with naked eyes even in the early stage of formation of the bacterial colonies, and the testing sensitivity is high.

The invention discloses a fungicidal composition containing initium and flutriafol. The fungicidal composition comprises the following active ingredients: initium and flutriafol which are in binary compound, and the balance being pesticidcally allowable and acceptable auxiliary components, wherein the mass ratio of the active ingredients, namely the initium to the flutriafol in the pesticide composition is (1-50):(50-1); the ratio of the total mass fraction of the active ingredients, namely initium and flutriafol in the preparation is 1-80%. The dosage forms of the pesticide composition disclosed by the invention are emulsifiable concentrate, suspending agents, wettable powder, water dispersible granules, emulsion in water, microemulsion, granules, microcapsules and soluble concentrate, the bactericidal composition is mainly applied to prevention and treatment of downy mildew and powdery mildew of pumpkins, cucumbers, asparagus lettuces, muskmelon, potatoes and tomatoes, and meanwhile, the diseases such as rust disease, smut, corn smut wilt and blight of triticeae crops can be effectively prevented and treated.

The invention relates to the technical field of combination of pesticides and particularly relates to a sterilization suspension agent containing tetramycin and azoxystrobin and a preparation method thereof. According to the sterilization suspension agent containing tetramycin and azoxystrobin, the effective components, namely tetramycin and azoxystrobin, of the sterilization suspension agent are subjected to binary compounding; and the sterilization suspension agent comprises the following components in parts by mass: 1-50 parts of tetramycin, 1-50 parts of azoxystrobin, 5-20 parts of a dispersant, 1-5 parts of an anti-freezing agent, 0.1-2 parts of a thickening agent, 0.1-0.8 part of a de-foaming agent, 0-10 parts of a penetration enhancer, 0.1-5 parts of a pH value regulator and the balance of water. The compound sterilization agent, which takes tetramycin and azoxystrobin as effective components, has an obvious synergistic effect and can delay the generation of vital drug resistance; and the production cost and the use cost are lowered, and the sterilization suspension agent can be used for treating resisting diseases.

A sterilization composition containing a compound named as Chinese characters 'Pujuxitang' and ethylicin is provided. The composition includes effective components which are the 'Pujuxitang' and the ethylicin and which are compounded, with the balance being auxiliary components. The mass ratio of the effective components which are the 'Pujuxitang' and the ethylicin in the composition is 1-50:50-1. A preparation includes 1-80% by mass of the effective components which are the 'Pujuxitang' and the ethylicin, with the balance being auxiliary components permissable and acceptable in pesticides. The dosage form of the pesticide composition is an emulsifiable solution, a suspension, wettable powder, water-dispersible granules, an emulsion in water, a microemulsion, granules and a microcapsule. The composition is used for control of fruit tree rot disease, alternaria leaf spot, rise blast, soybean root rot, wilt of cucurbits, cotton verticillium wilt, rust disease of jujube trees, grape white rot, black spot of ginseng and panax pseudoginseng, tea gall of tea leaves, forest rot disease, canker, gummosis, leaf cast, forest seedling-stage blight, pathogenic bacteria for vegetable soft rot, pathogenic bacteria of cucumber angular leaf spot, pathogenic bacteria of rice bacterial leaf blight, pathogenic bacteria of apple ring spot, pathogenic bacteria of wheat scab, and the like.

A bactericidal composition containing prothioconazole and cyflufenamid. Effective ingredients of the bactericidal composition are prothioconazole and cyflufenamid, and the rest is auxiliary ingredients. The mass ratio of prothioconazole to cyflufenamid in the pesticide composition is 1-50: 50-1, and the mass fraction ratio of prothioconazole to cyflufenamid in the preparation is 1%-80%. The rest is auxiliary ingredients which are allowed to be used and accepted in the pesticide. Dosage forms of the pesticide composition include missible oil, a suspending agent, wettable pulvis, water dispersible granules, an emulsion in water, a micron emulsion, a particulate agent, microcapsules and water aqua. The bactericidal composition is mainly used for preventing and curing powdery mildew, banded sclerotial blight, wilt, leaf spot, botrytis, sclerotinia rot and rust disease of wheat, strawberry, grape, apple, cucumber and the like.

The invention relates to a sterilization composition containing ametoctradin and prothioconazole. The effective constitutes of the ametoctradin and the prothioconazole of the composition are compounded in a binary mode. The mass ratio of the ametoctradin to the prothioconazole is 1 to 50:50 to 1. The total mass of effective constituents of the ametoctradin and the prothioconazole in a preparation accounts for 1% to 80% and the remaining constituents are auxiliary constituents allowed to be used and accepted in pesticide. The dosage form of the sterilization composition is emulsifiable concentrate, a suspending agent, wettable powder, an aqueous solution, water dispersible granules, emulsion in water, microemulsion, granules and microcapsules, and the sterilization composition is suitable for preventing and treating downy mildew and phytophthora root rot of various crops and good in treatment effect and has special effects on diseases such as banded sclerotial blight and damping off caused by basidiomycetes fungi.

The invention relates to a valve core of a three-position three-way valve. The valve core comprises a cylindrical body internally provided with a first water flow passage in the axial direction; an annular bush rotatably sleeves the body; a second water flow passage is formed between the bush and one end of the body under the wrapping of a valve; a third water flow passage is formed between the bush and the other end of the body. The bush can detachably sleeve the body of the valve core and the bush can rotate relative to the body without sliding, so the valve core has the advantage that the thickness of the plastic valve core can be controlled compared with the mode that the bush is integrally molded on the body of the valve core, the surface of the plastic valve core is smooth, the airtightness between the valve core and the valve is better, the valve core is not easy to deform and can not cause the staggering of the water flow passages when moving in the valve, the plastic bush can be replaced and the product cost and the use cost are greatly reduced.

The invention relates to a sterilization composition containing prothioconazole and imidazole bactericide (mizuojunan), two active ingredients of the prothioconazole and imidazole bactericide (mizuojunan) of the sterilization composition are compounded, and the sterilization composition also comprises auxiliary components. The mass ratio of prothioconazole to imidazole bactericide (mizuojunan) is 1 to 50: 50 to 1, the sterilization composition comprises 1%-80% by mass of the active ingredients of prothioconazole to imidazole bactericide (mizuojunan), and balance of the auxiliary components allowed to use and accept in pesticides, and the sterilization composition dosage form can be missible oil, a suspending agent, a wettable powder agent, a water dispersible granule agent, an aqueous emulsion, a microemulsion, a granule, a microcapsule agent and a water agent. The sterilization composition can effectively control gray mold, powdery mildew, rust and other diseases of vegetables, flowers and fruits.

The invention discloses a dust filtering device. The dust filtering device consists of a motor system, a gas purifying system and a dirt discharge system; the motor system consists of a motor, a motorprotective container, an air inlet, an air outlet and an air guide pipe; a gas purifying system consists of a semicircular water storing and gas washing container, a rigid filtering net, water, a water level warning system and a purified air outlet; and the dirt discharge system consists of a dirt discharge port, a dirt discharge pipeline and a dirt storing and dirt basking field. The motor system is in a closed container, dirt gas is collected by a trumpet-shaped pipeline, the dirt gas is conveyed into the water through a spiral corrugated pipe, and the spiral corrugated pipe performs deformation constraint and protection by a trumpet-shaped steel pipeline. The gas purifying principle is to guide harmful gases such as dust and smoke into the bottom of the solution, fuse and precipitate the water and discharge dustless and smokeless gas so as to reduce air pollution caused by building dust and industrial waste gas. In addition, the precipitate is collected, stored and aired to be utilized reasonably and effectively, so that a certain economic benefit is achieved.

The invention discloses a hoisting mechanism used on a slag extractor, which comprises a movable pulley block, which is respectively fixed left and right by a shaft frame and a suspension beam frame, and the movable pulley block is connected with a hoisting winch mechanism of a trolley with a steel wire rope, and the frame is hoisted A hook device is installed in the middle of the lower side of the frame, and each of the two ends of the lower side of the hanging beam skeleton has a boring hole. The bore hole at the lower end of the plate is fixed with the steering hinge shaft through the U-shaped hinge seat, and the upper end of the lower hanging plate is assembled with the boring hole at the lower part of the U-shaped hinge seat through the hinge shaft of the lower hanging plate. type hole. When the hopper is not used, the crane can be used as a general-purpose crane, and the expensive hanging chain is replaced by Q345 steel plate, which greatly reduces the production cost and use cost.

A bactericidal composition containing trifloxystrobin and a compound named as Chinese characters '' Saisentong '' is disclosed, and the compound bactericide with the trifloxystrobin and the compound named as Chinese characters '' Saisentong '' as active ingredients has an obvious synergistic effect, delays the generation of drug resistance, reduces production cost and use cost, can be used for treatment of resistant diseases, and has a good control effect on banana leaf spot.