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High-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and preparation method thereof

The invention relates to a paint technology, an environment-friendly technology and an antibacterial mould-proof technology, in particular to high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and a preparation method thereof. The high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint comprises the following components in percentage by weight: 0.5 to 5 percent of wetting dispersant, 0.01 to 20 percent of inorganic composite nano antibacterial agent concentrated pulp, 0.5 to 10 percent of hydrophobing agent, 0.5 to 10 percent of anionic powder, 0.5 to 8 percent of film-forming aid, 0.1 to 2 percent of anti-settling agent, 0.8 to 10 percent of antifreezing agent, 0.1 to 3 percent of defoaming agent, 4 to 30 percent of pigment, 0 to 30 percent of filler, 15 to 45 percent of emulsion, 0.1 to 4 percent of thickening agent, 0.1 to 3 percent of flatting agent, 0 to 3 percent of pH regulator and 0.5 to 45 percent of water. The high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint is mainly prepared by adding the inorganic composite nano antibacterial agent into the basic materials, so that the paint has the coating characteristic of high performance, is low is cost, and has a function of purifying air, can eliminate harmful gas volatile organic compounds (VOC), formaldehyde and the like and also has a durable and high-efficiency antibacterial mould-proof function, so that the sterilizing rate within 6 hours reaches 100 percent and the mould-proof grade reaches the first grade. By the high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and the preparation method thereof, self-cleaning performance, hydrophobicity, scrubbing resistance, dirt resistance and weather resistance of the coating are improved; and the high-efficiency and durable antibacterial and mould-proof effect is achieved.
Owner:广东腐蚀科学与技术创新研究院

Underground comprehensive pipe gallery information management method based on BIM and GIS technologies

The invention discloses an underground comprehensive pipe gallery information management method based on BIM and GIS technologies. The method comprises the following steps of S1, acquiring an underground comprehensive pipe gallery design drawing and urban basic geographic information data; S2, making an underground comprehensive pipe gallery BIM modeling standard; S3, making a comprehensive pipe-gallery two-dimensional GIS layer file; S4, constructing an underground comprehensive pipe gallery BIM model; S5, according to a B / S network configuration, establishing an underground comprehensive pipe gallery information management platform based on the BIM and the GIS; and S6, through a mutual index relation of BIM and GIS data, carrying out space layout configuration, and simultaneously displaying an underground comprehensive pipe-gallery two-dimensional GIS model and a three-dimensional BIM model. In the invention, a GIS technology and a BIM technology are combined and are applied to comprehensive pipe gallery engineering so that design and operation management persons can carry out multiple-dimension analysis, multi-view space verification and visualization management on underground comprehensive pipe gallery correlation information in a three-dimensional on-site environment. Management efficiency, design quality and operation quality can be increased.
Owner:CHINA CONSTR UNDERGROUND SPACE

Method for preparing flame-retardant low-smoke halogen-free hot-vulcanized silicone rubber compounds for metro vehicles

The invention relates to a method for preparing flame-retardant low-smoke halogen-free hot-vulcanized silicone rubber compounds for metro vehicles, which is characterized in that the method comprises the following technological process: adding methyl vinyl silicone rubber to a kneading machine; adding white carbon black and hydroxyl silicone oil; mixing the materials for 1+/-0.1 hour at a nitrogen-supplying speed of 5+/-0.1 cubic meter/hour at a temperature between 170 and 190 DEG C; cooling to 60+/-5 DEG C; adding porcelainizing powder, aluminum silicate, chloroplatinic acid, zinc stannate and aluminum hydroxide; continuing to mix for 0.5+/-0.05 hour; discharging the materials; filtering rubber in a rubber filter; cooling the obtained product to room temperature; adding 2,5-dimethyl-2,5-bis(tert-butylperoxy) hexane or peroxide bis(2,4-dichloro-benzoyl) serving as a curing agent to an open mill; mixing well; and obtaining the flame-retardant low-smoke halogen-free hot-vulcanized silicone rubber compounds for metro vehicles. As the method adopts halogen-free flame retardant and particularly adopts a porcelainizing smoke-cutting technique, smoke almost completely disappears after the product produced by the method burns for a plurality of minutes, and the inside of the product can be kept in good condition.
Owner:JIANGYIN HAIDA RUBBER & PLASTIC GROUP

Pharmaceutical compound for treating wastewater containing complex heavy metals and/or radioactive substances and application of pharmaceutical compound

The invention discloses a pharmaceutical compound for treating wastewater containing complex heavy metals and/or radioactive substances and application of the pharmaceutical compound. The pharmaceutical compound comprises one of 8-hydroxyquinoline and derivatives of 8-hydroxyquinoline or a composition of any two of 8-hydroxyquinoline and the derivatives of 8-hydroxyquinoline, one of polyamine-dithiocarbamates or a composition of any two of the polyamine-dithiocarbamates, and one of dihydrocarbyl dithiophosphates or a composition of any two of the dihydrocarbyl dithiophosphates, wherein the mass fractions of the three components are respectively 1% to 90%, 1% to 90% and 1% to 98%. The pharmaceutical compound is dissolved in water and then the pharmaceutical compound solution is added into wastewater to be treated, and the amount of the pharmaceutical compound is 0.5 to 2 times larger than the theoretical amount of heavy metals and radioactive substances in the wastewater; and a metal complex is formed after sufficient stirring, and finally, the wastewater treatment can be completed by filtering separation. The pharmaceutical compound and the application of the pharmaceutical compound provided by the invention have the advantages of obvious effects, less investment, low cost, no site restriction, remote automatic control and the like.
Owner:CHANGSHA RES INST OF MINING & METALLURGY

Protein feed rich in small peptides and multi-enzyme bacteria and preparation method thereof

The invention relates to protein feed rich in small peptides and multi-enzyme strains and a preparation method thereof. The protein feed is prepared by fermenting soybean meal, cottonseed meal, rapeseed meal, bone meal, wheat bran, common salt, light calcium carbonate, water and strains in a fermentation bin. The preparation method of the protein feed comprises the following steps: mixing the soybean meal, the cottonseed meal, the rapeseed meal, the bone meal, the wheat bran, the common salt and the light calcium carbonate in percentage by weight; adding 20-30 percent of water; sending the mixture to an air steamer; adding high-pressure steam to the air steamer so as to increase the air pressure to 1-2 MPa and the temperature to 140-200 DEG C; keeping the pressure for 4-6 minutes; momentarily releasing the mixture in the air steamer; sending the mixture to the fermentation bin; inoculating 3-5 percent of strains when the temperature of the mixture falls to 30-37 DEG C; fermenting for 72 hours at the temperature of 32-37 DEG C; discharging from the bin; and bagging to obtain a finished product. The product has strong disease-resistant function and low cost, increases the productionof animal by-products by more than 20 percent, is nontoxic, harmless and pollution-free and can inhibit food-borne diseases represented in cancers and subhealth phenomena from spreading.
Owner:张培举

Soil improvement type biological organic composite coated fertilizer and preparation method thereof

The invention discloses a soil improvement type biological organic composite coated fertilizer which is characterized by being prepared from the following raw materials in parts by weight: 67-70 parts of human and animal excreta, 25-30 parts of riverway sludge, 8-10 parts of diatomite, 25-28 parts of diammonium phosphate, 12-15 parts of magnesium sulfate, 15-19 parts of potassium chloride, 45-49 parts of furfural residue, 40-45 parts of animal bone meal, 50-54 parts of rice husk, 35-40 parts of saw dust, 27-29 parts of urea, 3-5 parts of amino acids, 1-2 parts of sodium tetraborate, 7-8 parts of an EM fungicide, 7-9 parts of a soil improvement agent and a proper amount of water. The fertilizer disclosed by the invention is balanced in nutrition, contains inorganic elements and mineral substance components such as the riverway sludge and diatomite, the nutrient needed by plant growth is met, the soil is activated, and the water and fertilizer retaining properties of the soil are improved; and due to the addition of the soil improvement agent, the fertilizer has the effects of improving the efficiency and promoting plant nutrition absorption. According to the fertilizer disclosed by the invention, the urea melting and coating process is adopted, the slow-release effect is obvious, and the fertilizer efficiency is lasting.
Owner:HEFEI CHANGRUN AGRI TECH

Binjiang touring type wetland revegetation mode structure

InactiveCN103526717AEcology hasHave a budgetClimate change adaptationCoastlines protectionRevegetationBrick
The invention discloses a Binjiang touring type wetland revegetation mode structure. The Binjiang touring type wetland revegetation mode structure is characterized in that in a river bank, an aquatic plant purifying region is arranged below a high water level, a water edge soil fixation and erosion preventing region is arranged above the high water level, and an overwater forest recovery region is arranged on one far-water side outside the erosion preventing region. In the aquatic plant purifying region, aquatic floating-leaved plants are planted below a normal water level in a naturally scattered growth and close planting mode, and high-stalk emerged plants are planted above the normal water level and below the high water level in a naturally scattered growth and close planting mode. The water edge soil fixation and erosion preventing region is paved with slope protection bricks and the width of the water edge soil fixation and erosion preventing region ranges from 2m to 3m. The overwater forest recovery region is of an ecological simulation community structure formed by natural mixing of wetland trees and shrubs to achieve height matching, color combination, advantage and disadvantage complementation and calobiosis. Touring footpaths and seats for rest are naturally arranged in the river direction in communities. Through meticulous engineering design and scientific plant matching, the Binjiang touring type wetland revegetation mode structure achieves perfect combination of Binjiang hydraulic engineering and wetland revegetation, is important for river bank wetland soil fixation and erosion preventing and environment improvement, and has the advantages of being ecological, beautiful and multifunctional and increasing effect.
Owner:JINLING INST OF TECH

Fully-water soluble fertilizer

The invention provides a fully-water soluble fertilizer and relates to a fertilizer. The fully-water soluble fertilizer consists of K2SO4, (NH4)2SO4, urea, monoammonium phosphate, fulvic acid potassium, zinc, boron, a plant growth regulator and naphthylacetic acid, and the mass percentage occupied by the components is shown as follows: 30-50 percent of K2SO4, 30-40 percent of (NH4)2SO4, 3-8 percent of urea, 5-15 percent of monoammonium phosphate, 10-30 percent of fulvic acid potassium, 1-3 percent of zinc, 1-3 percent of boron, 0.3-0.8 percent of plant growth regulator and 0.3-0.8 percent of naphthylacetic acid. The fully-water soluble fertilizer has the beneficial effects that the fully-water soluble fertilizer is formed by adopting high-quality imported N, O and K as main materials, adding trace elements, i.e. zinc and boron, mixing auxin DA-6, and refining and processing; the fully-water soluble fertilizer has the effects of cold resistance and drought resistance, enhances the photosynthesis of crops, is a necessary nutrient element for maintaining a chloroplast structure, has remarkable effect on paper plant growth metabolism and facilitates the growth and the development of the crops; the infection risk of cottons, wheat, melons and fruits, and other virus and diseases can be reduced; and the fully-water soluble fertilizer is the high-quality fertilizer for supplanting crop nutrition and has the characteristics of fast dissolution, full dissolution, yield increment, efficiency increment and the like.
Owner:安徽天之野生物科技有限公司
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