33results about How to "Green and pollution-free" patented technology

The invention belongs to the field of environment protection and discloses a new bacillus subtilis and the application thereof in biological deodorant. The bacillus subtilis HF-A1 related in the invention is preserved in Common Microorganism Center, China Committee of Culture Collection for Microorganisms on August 19th, 2009, with a preservation number of CGMCC No. 3230. A strain of the bacillussubtilis is obtained by selecting samples collected from a plurality of ecological environments. The strain has an obvious deodorizing and bacteriostatic effect in various stinky environments; averageNH3 removal rate can be as high as 95.5 percent; average H2S removal rate can be as high as 93.8 percent; average total hydrocarbon removal rate can be as high as 94.3 percent; average total bacteriaremoval rate can be as high as 87.9 percent; average odor concentration removal rate can be as high as 96.8 percent; and the new bacillus subtilis can be used for deodorizing and purifying garbage, domestic sewage, animal house air and the like.

The invention relates to a preparation method of copper-zinc-tin-sulfur nano particles, which comprises the following steps: firstly, taking bivalent zinc salts, bivalent tin salts, univalent or bivalent copper salts, and sulfur powder; secondly, mixing the materials taken in the first step, adding oleyl amine, heating and purifying the product to obtain the copper-zinc-tin-sulfur nano-particles.The preparation method is pollution-free green, has mild and simple reaction conditions and low cost, and is suitable for large-scale production.

Belonging to the technical field of underground engineering plugging materials, the invention relates to a preparation method of an expanded polymer grouting material for high pressure and large flowkarst water inrush treatment. The method includes: 1) adding a crosslinking agent into acrylic acid, and then adding a macromolecular water-absorbent resin comonomer for polymerization reaction to obtain a precursor; 2) adding an initiator into the precursor obtained in step 1), raising the temperature and carrying out reaction to obtain hydrogel, and mincing the hydrogel to obtain primary macromolecular water-absorbent resin; 3) sprinkling a surface cross-linking agent to the surface of the primary macromolecular water-absorbent resin obtained in step 2), and then drying the product; and 4) preparing an inorganic water conducting agent into a suspension liquid, sprinkling the suspension liquid to the product obtained in step 3), and performing drying to obtain the expanded polymer grouting material. The polymer grouting material provided by the invention effectively solves the technical problem of difficult retention of grouting materials under a water inrush condition, and has the characteristics of green and no pollution, adjustable expansion time, and an expansion ratio up to 304 times.

The invention relates to a method for preparing copper zinc tin sulfur selenium nano particles, which belongs to the technical field of photoelectric materials. The method comprises the following steps of: 1, mixing divalent zinc salt, divalent tin salt and monovalent or divalent copper salt, adding surfactant into the mixture, and heating the mixture; 2, mixing sulfur powder with selenium powder, adding the surfactant into the mixture, and heating the mixture; and 3, injecting solution obtained by the step 2 into solution obtained by the step 1 for warming, and purifying a product to prepare the copper zinc tin sulfur selenium nano particles. The preparation method has the advantages of no pollution, mild and simple reaction condition and low cost, and is suitable for large-scale production. The forbidden band width of the copper zinc tin sulfur selenium nano particles can change with the proportion change of sulfur selenium.

The invention relates to a whole bin whole-base ventilation low-speed drying grain storage system which comprises a grain bin and a grain bin treatment device. The system is characterized in that the grain bin is a whole-base ventilation grain bin, a ventilation structure is arranged on a base plate of the grain bin, the ventilation structure is connected with a ventilation inlet formed in the grain bin, and the ventilation structure is communicated with an inner cavity of the grain bin. The grain bin treatment device comprises a shell, and an air inlet and an air outlet are formed in the shell. The air outlet of the grain bin treatment device is connected with the ventilation inlet of the grain bin. According to the whole bin whole-base ventilation low-speed drying grain storage system, no drying pipelines exist in the grain bin, drying efficiency and the drying effect are greatly improved, the system can adapt to unprocessed grain conditions and climatic features in different areas, and the commodity value of the grain is ensured through low-temperature low-speed drying. In addition, by the adoption of technology application of ozone mould prevention and sterilization and pesticide residue degradation, it is ensured that no mould loss is produced in the treatment process, and meanwhile the drying season can be prolonged.

The invention relates to a preparation method of copper-zinc-tin-selenium nanoparticles, belonging to the nanometer optoelectronic technical field. The method comprises the following steps: mixing zinc (II) salt, tin (II or IV) salt, copper (I or II) salt and selenium power, adding oleamide; performing heating treatment, dissolving the materials in initial extracted solvent, centrifuging to take lower precipitate; then adding second extracted solvent in the lower precipitate, centrifuging twice to take supernate, finally adding oleamide and initial extracted solvent again in supernate, centrifuging three times to take precipitate, and drying precipitate to obtain the copper-zinc-tin-selenium nanoparticles. The method of the invention is green and non-pollution, has low cost and is suitable for mass production.

The invention relates to a prescription of an apple tree scar healing agent and a preparation method thereof. The healing agent consists of paraffin wax emulsion, potassium humate and rhodofix. The best weight ratio of the paraffin wax emulsion to the potassium humate to the rhodofix is 20 to 1, 000 to 25. The preparation method comprises the following steps: the rhodofix is dissolved into small quantity of hot water and is added into the paraffin wax emulsion to be stirred evenly, and potassium humate powder is added into the mixture to be stirred by a stirring mill for 30 minutes so that the components are mixed evenly. The invention effectively facilitates the healing of the apple tree scar and protects the apple tree scar in time. The test result shows that the scar healing rate is up to 57.6 percent averagely, the average growth width every year is 1.55 centimeters, and the most growth width is 1.97 centimeters. The apple tree scar healing agent is characterized in that the healing tissue is formed early and the year healing area is large.

The application relates to a biological metal corrosion inhibitor and an application thereof. The biological metal corrosion inhibitor contains Vibrio neocaledonicus sp which is capable of growing on the surface of a metal to form a biological film with a metal corrosion inhibition effect, thus the corrosion resistance of the metal in a water-phase system is greatly improved. The traditional contaminative protection technologies such as electroplating and chemical plating can be replaced to realize green protection of metal structures, and meanwhile, the maintenance cost can also be greatly lowered.

The invention discloses a pollution-free high-yield cultivation method for sweet corn. The method includes the steps of land selection, seed selection and treatment, land preparation, seeding, post-seeding management and harvesting in due time, wherein the post-seeding management includes the steps of seedling management, water management, fertilizer management, plant disease and insect pest management and pollination management. The pollution-free high-yield cultivation method for the sweet corn has the advantages of being environmentally friendly and free of pollution through reasonable cultivation and field management, meanwhile, the yield is remarkably increased, market requirements are met, and development of the sweet corn planting industry is promoted.

The invention provides an indoor heating management system based on the Internet of Things. The indoor heating management system comprises indoor electric heating terminals, an indoor water heating terminal, an indoor temperature monitoring terminal, a control terminal, a mobile terminal and a cloud server. The indoor electric heating terminals are mounted in a plurality of indoor rooms, the indoor water heating terminal is mounted in an indoor bathroom, and the indoor electric heating terminals and the indoor water heating terminal are in signal connection with the control terminal. Through the mode of the Internet of Things, the ground temperatures and indoor temperatures of all the indoor rooms can be remotely monitored, temperature data in the heating terminal are remotely transmittedand stored, heating can be achieved on demand for users through collaborative operation of a mobile phone client and the cloud server, the problem of energy waste in a traditional heating mode is solved, the indoor heating management system has the advantages of being high in heating speed, high in safety, fair in billing, environmentally friendly, convenient to adjust and control, free of maintenance and long in life, and the degree of home intelligence is greatly increased.

The invention relates to a purely botanical preparation, which comprises Artemisia apiacea, Sophora flavescens, Chinese mugwort, Pogostemon cablin and honeysuckle. The preparation method comprises the steps of: preparing dried raw materials; crushing, preprocessing and alcoholizing the raw materials; and decocting the raw materials through a decoction method. The invention additionally provides application of the purely botanical preparation to the prevention and the control of tobacco bacterial wilt. By adopting the technical scheme, the purely botanical preparation has the characteristics of environmental friendliness and no pollution, and is suitable for the technical field of agriculture.

The invention relates to a soil conditioner with a strawberry continuous cropping disease prevention function and a preparation method of the soil conditioner. A continuous cropping agent consists of the following eight raw materials by weight: 60-80 parts of shale, 10-15 parts of zeolite, 0.6-1 part of soybean meal, 2-4 parts of rice bran, 0.6-1 part of rice hull powder, 0.2 to 0.6 part of brown sugar, 1-2 parts of enzyme microorganism, and 1-2 parts of a compound chelating microorganism fertilizer. Strain, rice bran, rice hull powder, a compound chelating agent, soybean meal, brown sugar, shale and zeolite are mixed and stirred, then fermentation is carried out under a certain condition, and after fermentation, the obtained powder can be applied to a field or air-dried (or dried at low temperature) for storage, or extruding granulation is conducted on the fermented powder, and the obtained particles are air-dried (or dried at low temperature) for storage. The invention aims to provide a compound continuous cropping agent which can improve the physical and chemical properties and the microflora of soil, activate soil nutrients and effectively inhibit the soil-borne disease of plant to effectively relieve continuous cropping barrier of crops.

The invention relates to a waterborne environment-friendly residual gum cleaning agent and a preparation method thereof. The cleaning agent is prepared from, by weight, 25-40 parts of deionized water,30-55 parts of natural plant extracts, 0.3-0.8 part of anionic emulsifiers, 0.2-1.0 part of nonionic emulsifiers, 8-15 parts of biological ester environment-friendly plasticizers and 5-10 parts of sodium bicarbonate. The anionic emulsifiers are sodium alkyl sulfate, a HLB (hydrophile-lipophile balance) value of the sodium alkyl sulfate is 35-40, the nonionic emulsifiers are acetylenediol ethoxy compounds, and a HLB value of the acetylenediol ethoxy compounds is 3-6. The waterborne environment-friendly residual gum cleaning agent has high residual gum and stain removal capability and good stability and the advantages of being green and environmentally friendly.

The invention discloses a traffic signal lamp, and belongs to the traffic field. The lamp comprises a stand column and transverse columns, wherein the number of the transverse columns is two. The twotransverse columns are fixedly connected to the side wall of the stand column and are perpendicular to each other. A sliding chamber is arranged on the inner wall of the bottom of the stand column. Afirst motor is arranged on the inner wall of the sliding chamber; the output end of the first motor is connected with a lifting mechanism; a first sliding plate is fixedly connected to the upper portion of the lifting mechanism, a supporting rod is fixedly connected to the upper portion of the first sliding plate, a second sliding plate is fixedly connected to the end, away from the first slidingplate, of the supporting rod, a cylinder bottom plate is further connected to the inner wall of the stand column, and an outer cylinder is fixedly connected to the bottom of the cylinder bottom plate.According to the invention, pedestrians are reminded of running the red light through mutual cooperation of the air jet holes and the spotlights, the safety of the pedestrians is protected, and the function of cleaning the indicator lights is added; a power generation device is arranged at the top to supply power to the lamp, and the lamp has the advantages of being environmentally friendly and free of pollution.

The invention provides a method for preparing a film of an absorbing layer of a copper zinc tin selenium (CZTS) solar cell in the technical field of solar cells. The method comprises the following steps: preparing CZTS nanoparticles; dissolving the CZTS nanoparticles in a dissolving agent to prepare CZTS nanoparticle slurry through ultrasonic dispersion treatment; coating the CZTS nanoparticle slurry on a substrate to carry out heat treatment on the substrate so as to prepare the film of the absorbing layer of the CZTS solar cell. The method overcomes the defects of expensive equipment, difficult deposition in large area and the like, and has the advantages of no pollution, simple equipment requirement and industrial large-scale production.

The invention discloses a green, environment-friendly and comfortable blended fiber, which is formed by blending and weaving a first fiber, a second fiber and a third fiber, the first fiber is kapok fiber, and the second fiber is bamboo fiber and tencel Fiber blended weaving, the third fiber is made of pineapple hemp fiber and banana stem fiber blended weaving, the weight percentage of each component in the second fiber is respectively: the bamboo fiber accounts for 29%-38% , the tencel fiber accounts for 62%-71%, and the weight percentages of each component in the third fiber are respectively: the pineapple hemp fiber accounts for 44%-53%, and the banana stem fiber accounts for 47%-56% %. The invention has the characteristics of green, no pollution, environmental protection, good moisture absorption and air permeability, cool and comfortable.

The invention relates to a pretreatment method for synchronously separating / enriching / detecting trace fluoroquinolones in an environmental water sample. According to the pretreatment method disclosed by the invention, by taking the establishment of an intelligent polymer aqueous two-phase gas solvent sublation method and combining the pretreatment method with high performance liquid detection, the trace fluoroquinolones in the environmental water sample are synchronously separated / enriched / detected. According to the pretreatment method, an intelligent polymer ethylene oxide propylene oxide (EOPO) copolymer is introduced into an aqueous two phase system, and two problems that the polymer cannot be recycled and target objects and the polymer cannot be separated in the aqueous two phase system are solved simultaneously; according to the pretreatment method, the intelligent aqueous two phase system is coupled with a gas solvent sublation technology, therefore not only is the defect that the enrichment multiple of the aqueous two phase system is low solved but also the problem of the environmental pollution of the gas solvent sublation technology is solved. The result shows that the pretreatment method disclosed by the invention has a very good separation, enrichment and detection effect on the fluoroquinolones in the practical sample under the optimum sublation condition, and EOPO can be recycled.

The invention discloses a soil improvement medical fertilizer and a preparation method thereof, and an application of the soil improvement medical fertilizer in preparation of pesticides and chemicalfertilizers, and relates to the field of medical fertilizers, wherein the soil improvement medical fertilizer comprises the following components in parts by mass: 50-60 parts of fermented gelsemium elegans, 50-60 parts of fermented chinaberry seeds, 14-17 parts of fermented rice hull powder, 2.5-5 parts of soybean cake powder, 7-9 parts of oil cake powder, 15-17 parts of cottonseed cake powder, 23-27 parts of calcium superphosphate, 180-210 parts of zinc nitrate and 0.7-1.8 parts of copper sand acid. Gelsemium elegans and chinaberry seeds with traditional Chinese medicine components are utilized, the gelsemium elegans is a toxic substance and can kill bacteria and insects, a small amount of the gelsemium elegans is transferred to crops, and enters human bodies through a food chain; the gelsemium elegans is pungent and warm, has large toxicity, has the effects of removing toxicity, eliminating evil, dissipating blood stasis, relieving pain and inhibiting, so that the gelsemium elegans is suitable for liver cancer, intestinal cancer, skin cancer, osteosarcoma and the like, is beneficial to human bodies and can effectively kill bacteria and insects, and the rest components provide necessary trace elements for crops to meet the growth of the crops.

The invention relates to a method for preparing solid-phase carbon quantum dots by adopting biological collagen waste and application of the solid-phase carbon quantum dots. The preparation method ofthe carbon quantum dots comprises the steps of (1) collecting the biological collagen waste generated by a factory as a carbon source; (2) further carrying out enzymolysis and acidification treatmenton the obtained biological collagen waste, freeze-drying and calcining to obtain a solid-phase carbon quantum dot crude product; and (3) collecting and purifying the crude product powder to obtain thecarbon quantum dot material. The preparation method is simple and easy to operate; raw materials are wide in source and easy to obtain; the reutilization of the biological collagen waste is realized;the method has the advantages of being green and free of pollution, biological tissue waste is recycled with higher value, the yield of the prepared carbon quantum dots is high, complete conversion from a carbon source to carbon quantum dot products is basically achieved, the method is particularly suitable for large-scale preparation of the carbon quantum dots, and the prepared carbon quantum dots can be used as in-vivo and in-vitro imaging agents and have the advantages of being high in safety and low in toxic and side effects.

The invention relates to a traditional Chinese medicine composition for treating canine coronavirus infection and a preparation method of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following raw materials: fructus evodiae, codonopsis pilosula, fresh ginger, Chinese yam, longan aril, honeysuckle, brucea javanica and root of Chinese pulsatilla; the traditional Chinese medicine composition can be a granule. The preparation method comprises the following preparation steps: (1) crushing the traditional Chinese medicines into 40-100 meshes, weighing according to the formula ratio, and mixing in a three-dimensional manner to obtain traditional Chinese medicine powder; (2) feeding the traditional Chinese medicine powder into an extraction tank, adding 5-15fold water, and boiling twice and 2-12 hours each time; (3) filtering and removing herb residues, and merging filtrate of twice; (4) carrying out vacuum concentration on filtrate at 30-80 DEG C until the volume is 10%-30% of original volume to obtain a concentrated extract; (5) weighing 20-50 parts of anhydrous sodium sulphate, 10-50 parts of white granulated sugar and 20-60 parts of starch, and mixing the anhydrous sodium sulphate, the white granulated sugar and the starch; (6) evenly adding 10-20 parts of concentrated extract into the mixed powder by three times, adding while stirring for 10-30 minutes; and (7) granulating, and drying at 40-80 DEG C, so as to obtain the finished product. The traditional Chinese medicine composition provided by the invention has the efficacies of lowering the adverse flow of qi, preventing or arresting vomiting, supporting yang, checking diarrhea, strengthening the spleen, benefiting vital qi, soothing the nerves, clearing away heat and toxic materials, cooling blood and checking dysentery; and the recovery rate on the canine coronavirus infection can reach more than or equal to 95%.

The invention discloses a nutrient feed for breeding porcupines and a preparation method of the nutrient feed. The nutrient feed comprises morning food materials which can be eaten in the morning andcomprise the following components in parts by weight of 20-40 parts of vegetables, 20-40 parts of radishes, 20-40 parts of sweet potatoes and 10-15 parts of mulberry leaves; and the nutrient feed alsocomprises evening food materials which can be eaten in the evening and comprise the following components in parts by weight of 65-85 parts of corn, 8-12 parts of soybeans, 2-4 parts of fish meal, 7-13 parts of rice bran or wheat bran, 0.5 part of trace element drugs, and 1.5 parts of vitamins. The invention further provides a method for preparing the feed. The feed can comprehensively meet the nutrient requirements of the porcupines at various stages, the complexity of a formula feed is notably reduced, preparation and feeding in actual breeding process are facilitated, and the labor force and the cost can be greatly reduced, so that the economic benefits of artificial breeding of the porcupines can be greatly increased; and the attack rate of the porcupines can be greatly reduced, and the survival rate and the production and propagation rate of the porcupines can be notably increased. Through freeze drying for further processing, traditional limit for using the feed when the feed isused is broken through, and the long-time storage of the feed for the porcupines can be realized.

The invention discloses a method of simultaneously detecting dopamine and uric acid based on a poly (L-glutathione) modified glassy carbon electrode. The method firstly immerses a clean glassy carbonelectrode in an L-glutathione phosphate buffer, nitrogen is supplied for deoxidization, cyclic voltammetry is adopted for electrochemical polymerization, a poly (L-glutathione) modified electrode is obtained, the poly (L-glutathione) modified electrode is then placed in a phosphate buffer of a to-be-detected sample, differential pulse voltammetry is adopted, electrochemical response current is detected, and according to the linear relationship between the response current and a dopamine concentration and the linear relationship between the response current and a uric acid concentration, the concentration of dopamine and the concentration of uric acid in the to-be-detected sample are calculated and obtained. The method disclosed in the invention has the advantages of high sensitivity, simple operation, good stability, good repeatability and the like, the linear detection ranges of dopamine and uric acid are 2 to 300 muM and 10 to 500 muM respectively, and practical application prospectsare achieved in clinical detection of dopamine and uric acid.

The invention discloses a method of simultaneously detecting dopamine and uric acid based on a poly (L-glutathione) modified glassy carbon electrode. The method firstly immerses a clean glassy carbonelectrode in an L-glutathione phosphate buffer, nitrogen is supplied for deoxidization, cyclic voltammetry is adopted for electrochemical polymerization, a poly (L-glutathione) modified electrode is obtained, the poly (L-glutathione) modified electrode is then placed in a phosphate buffer of a to-be-detected sample, differential pulse voltammetry is adopted, electrochemical response current is detected, and according to the linear relationship between the response current and a dopamine concentration and the linear relationship between the response current and a uric acid concentration, the concentration of dopamine and the concentration of uric acid in the to-be-detected sample are calculated and obtained. The method disclosed in the invention has the advantages of high sensitivity, simple operation, good stability, good repeatability and the like, the linear detection ranges of dopamine and uric acid are 2 to 300 muM and 10 to 500 muM respectively, and practical application prospectsare achieved in clinical detection of dopamine and uric acid.

The invention relates to the technical field of bamboo chopsticks production, and discloses a production process of bamboo chopsticks, including material preparation, cooking, carbonization, molding and varnishing. The specific process includes the following steps: S1, cutting off moso bamboo, splitting and rough planing; S2, Bleaching, steaming, cleaning and drying the raw materials; S3, carbonizing the raw materials; S4, processing and molding the ingredients; S5, sorting, sanding and varnishing the bamboo chopsticks and then packaging them into shape. The present invention processes bamboo chopsticks through preparation, cooking, carbonization, molding and varnishing, and the potion used for cooking is composed of copper sulfate solution, copper azole preservative, polyethylene glycol octylphenyl ether emulsifier, ethylenediaminetetra Composed of acetic acid and ammonium dihydrogen phosphate, bamboo chopsticks have high bending resistance and strong elastic deformation ability. Bamboo chopsticks are not easy to be permanently bent, deformed and broken. At the same time, bamboo chopsticks do not contain heavy metals and organic solvents. pollution etc.

The present invention relates to the application of a plant inducer containing Rhododendron polysaccharide in the prevention of plant diseases, characterized in that, the plant inducer containing Rhizoctonia polysaccharide is used to inhibit the following crop pathogens: wheat powdery mildew (Blumeria graminis), strawberry gray mold (Botrytis cinerea), potato late blight (Phytophthora infestans), rice blast fungus (Pyricularia grisea) or bacterial wilt (Pseudomonas solanacearum); Successively adding petroleum ether, ethanol for extraction, suction filtration and other steps in the system. The polysaccharides of Sargentina can induce plant resistance, have a broad-spectrum preventive effect on a variety of crop pathogens, reduce the use of a large number of chemical fungicides, and reduce the environmental pollution caused by the use of chemical pesticides.

The invention relates to a preparation method of copper-zinc-tin-selenium nanoparticles, belonging to the nanometer optoelectronic technical field. The method comprises the following steps: mixing zinc (II) salt, tin (II or IV) salt, copper (I or II) salt and selenium power, adding oleamide; performing heating treatment, dissolving the materials in initial extracted solvent, centrifuging to take lower precipitate; then adding second extracted solvent in the lower precipitate, centrifuging twice to take supernate, finally adding oleamide and initial extracted solvent again in supernate, centrifuging three times to take precipitate, and drying precipitate to obtain the copper-zinc-tin-selenium nanoparticles. The method of the invention is green and non-pollution, has low cost and is suitable for mass production.

The invention relates to an electromagnetic bionic web capable of being used for an underwater propulsion system of hydrographic survey equipment, in particular to a bionic web which has a small area in the forward direction when resistance is caused, so that the resistance is small, meanwhile an area which makes a dynamic effect in the forward direction is large, so that the power is large, and therefore higher propulsive efficiency and good mute effect can be generated. In addition, the electromagnetic bionic web takes electricity as the energy, so that the electromagnetic bionic web has the advantages of being green, free of pollution, energy saving and good in environmental protection effect. The structure is simple, manufacturing is easy, the use is wide, and the electromagnetic bionic web is suitable for the fields of small-size ship modules, large-size ships, large-size submarines and the like. Meanwhile by means of the inversion of a wheel hub motor, inverse propulsion of the propulsion system can be achieved.

The invention relates to an electromagnetic bionic web capable of being used for an underwater propulsion system of hydrographic survey equipment, in particular to a bionic web which has a small area in the forward direction when resistance is caused, so that the resistance is small, meanwhile an area which makes a dynamic effect in the forward direction is large, so that the power is large, and therefore higher propulsive efficiency and good mute effect can be generated. In addition, the electromagnetic bionic web takes electricity as the energy, so that the electromagnetic bionic web has the advantages of being green, free of pollution, energy saving and good in environmental protection effect. The structure is simple, manufacturing is easy, the use is wide, and the electromagnetic bionic web is suitable for the fields of small-size ship modules, large-size ships, large-size submarines and the like. Meanwhile by means of the inversion of a wheel hub motor, inverse propulsion of the propulsion system can be achieved.

The application relates to a biological metal corrosion inhibitor and its application. The biological metal corrosion inhibitor contains Vibrio neocaledonicus sp, which can be generated on the metal surface to form a biofilm with metal corrosion inhibition effect, so that the corrosion resistance of the metal in the aqueous system is greatly improved. improve. It can replace traditional electroplating, chemical plating and other polluting protection technologies, realize green protection of metal structures, and can also greatly reduce maintenance costs.