138results about How to "High ecological value" patented technology

The invention belongs to the field of agricultural environmental protection, and particularly relates to a method for establishing nature-simulated ecological farmland. According to the method, the farmland, trenches, a tractor-ploughing road, farmland buffer zones and a buffer purification pool are established; on the basis of a farmland production function, a farmland ecological function is further exerted, the farmland is utilized for consumption and sinks of environmental nitrogen and phosphorus; through soil carbon sinks on the farmland and biodiversity, non-point source pollution to the farmland is controlled. Through adoption of the method, the functions of the farmland, farmland ridges, the trenches, the tractor-ploughing road and the buffer purification pool in a whole compound system are optimized; the farmland biodiversity is improved, and a farmland planting and breeding compound function and a pollution source control function are extended; farmland ridge buffering, beautifying and economic functions are added, and the non-point source pollution self-purification capability of the farmland is enhanced; the trenches are hardened through ecologicalization, and nitrogen and phosphorus nutrients can be recycled; interception and purification of the non-point source pollution to the farmland are regulated and controlled; an ecological corridor is established, farmland landscapes are beautified, and the ecological value of the farmland is improved.

The invention belongs to the field of soil heavy metal restoration, and concretely discloses a soil restoring agent for cadmium pollution paddy field and application. The soil restoring agent provided by the invention is prepared from the following ingredients in parts by weight: 40 to 70 parts of tobacco stem charcoal, 10 to 20 parts of sepiolite, 10 to 20 parts of kieselguhr, 5 to 10 parts of light burning powder, 5 to 10 parts of lime, 5 to 20 parts of calcium magnesium phosphate fertilizers, 0.5 to 2 parts of zinc fertilizers and 1 to 5 parts of microbial agents. The soil restoring agent is uniformly spread on the soil surface; then, turning is performed so that the soil restoring agent and the polluted soil are sufficiently mixed; the application quantity is 100 to 300kg / mu. The soil restoring agent belongs to the composite restoration; the application is simple; the cost is low; the efficiency is high; the environment is protected.

The invention relates to a plant configuration used for urban road traffic noise reduction. Configured plants comprise evergreen tree species, deciduous tree species, evergreen shrub species, deciduous shrub species and a lawn, wherein the evergreen tree species comprise Cinnamomum camphora and Ligustrum lucidum; the deciduous tree species comprise gingko, Zelkova serrate and Prunus cerasifera; the evergreen shrub species comprise sweet-scented osmanthus and oleander; the deciduous shrub species comprise Hibiscus syriacus L, Chinese redbud, flowering peach and multiflora rose; and the lawn is a Manila lawn. The evergreen tree species, the deciduous tree species, the evergreen shrub species and the deciduous shrub species used for the plant configuration are called by a nursery stock and respectively come from a nursery garden. The plant configuration used for the urban road traffic noise reduction has the advantages that the environment is beautified; the service life is long; the operability is strong; the landscape property is good; the ecological value is high; the cost is low; planting and maintenance are easy; the noise reduction effect is good; and the noise reduction function is efficient. Better noise reduction can also be performed on zones of which road green belts are not sufficient or stained in width because of the limitations of geographic locations or the ambient environments, and a very good action is performed in creating an urban favorable living environment.

The invention provides an ecological ditch with a nitrogen and phosphorus removal function. The ecological ditch with the nitrogen and phosphorus removal function comprises a quasi-three-smooth-side ditch body, a plurality of solid slow release carbon source packing pools and a lifting dam, wherein the solid slow release carbon source packing pools are located below the bottom of the quasi-three-smooth-side ditch body, and the lifting dam is located at the tail end of the ecological ditch in the water flow direction. On the whole, a construction method of the ecological ditch with the nitrogen and phosphorus removal function is developed by taking the problems of a traditional soil ditch and a traditional three-smooth-side cement hardened ditch into full consideration. On the basis that the normal drainage function of a farmland ditch is guaranteed, the functions of a soil adsorption part, a packing adsorption part, a plant adsorption part, a biodegradation part and other parts of the ditch are enhanced, the biological diversity of the farmland ditch is enriched, effective removal of nitrogen and phosphorus pollutants in farmland tail water is achieved, and the ditch is made to serve as a nitrogen and phosphorus pollutant treatment unit between the farmland tail water and a receiving water body.

The invention discloses a silkworm excrement and shell ecologic acidic soil conditioner and a preparation method thereof, and belongs to the technical field of agriculture soil fertilizers. The silkworm excrement and shell ecologic acidic soil conditioner is prepared from, by weight, 20-90 parts of shells and 10-80 parts of silkworm excrement. Synergism of shell powder and silkworm excrement after the shell powder and the silkworm excrement are mixed, co-fermented and combined is found in the invention, so the utilization of calcium in the shell powder by the acidic soil is greatly improved, the soil acidity improvement effect of the conditioner is substantially better than the total acidity improvement effect reached by individual use of the silkworm excrement and the shell powder; and the conditioner disclosed in the invention improves the acidic soil improving effect of the silkworm excrement and the shell powder, improves the absorption of nutrition in the silkworm excrement and shells by crops, and increases the output of crops.

The invention relates to an artificial ecological bird island suitable for an urban park lake. A shallow cement beach area, an emergent aquatic plant planting area, a wetland plant planting area, an arbor planting area and a gravel beach area are built through topographical reforming, changing of bottom sediment and planting of plants, so as to provide habitat environment for various common water birds such as herons, waders, anseriformes and the like. The defect that the habitat of the current bird island is too single is overcome, the method is aimed at the habitat preference of various common water birds, a plurality of habitat types are integrated to create artificial bird islands with higher ecological values, and the method is simple and convenient to implement.

The invention provides a method for reducing heavy metals in river-going overland runoff by aquatic plant matched growth, belonging to the technical field of heavy-metal-polluted river course restoration. According to the method, emerging plants calamus and reed, submerged plants Potamogeton pusillus, hydrilla, curly pondweed and watermilfoil, and floating plant common waaterrthacinth are grown from the riverbank to the river center. The growth density of the emerging plants is 10-20 plants / m<2>, and the growth proportion of the calamus and reed is 1:(1-3); the growth density of the submerged plants is 30-50 clumps / m<2>, and the growth proportion of the Potamogeton pusillus, hydrilla, curly pondweed and watermilfoil is 1:(1-2):(3-5):(1-2); and the growth density of the floating plant common waaterrthacinth is 10-20 plants / m<2>. The plant growth process is utilized to absorb and enrich heavy metal ions in water, thereby achieving the goal of restoring the river-going multi-heavy-metal combined pollution river course. The method has the advantages of small secondary pollution, simple restoration process, low cost and the like, and can maintain the balance of the ecological system in water. The method for treating the polluted river course has environmental value, ecological value and ornamental value.

The invention discloses a method for reseeding alfalfa in degenerated leymus chinensis pasture. The method comprises the following steps: reseeding alfalfa into natural pasture, and performing fertilization and pasture management of clipping at regular time, so as to maintain the ratio of the alfalfa in the natural pasture. Tests show that the pasture reseeding technique is simple to operate, and materials for reseeding, fertilizers and the like are wide in source, simple in production cost, low in cost and applicable to large-scale popularization. By adopting the reseeding technique disclosed by the invention, not only are productivity and forage grass quality of the degenerated leymus chinensis pasture improved, but also the nutrients of nitrogen in pasture soil are increased, utilization and circulation of the nitrogen in a pasture ecological system are promoted, diversity and stability of a pasture system are maintained, and technical supports are provided to establish high-yield stable natural pasture. The method has very high economic and ecological values, relatively high practicability and generalizability, and very wide application prospects.

The invention discloses a high-yield planting and cultivating method of tea-oil trees. The mountainous area and mountain land or low mountains and hills of a southern tea-oil tree planting region are selected, a plurality of tea-oil tree planting regions are divided out along the contour line in the vertical direction of the mountainous area and mountain land or low mountains and hills, horizontal ladder regions for planting the tea-oil trees are dug in each tea-oil tree planting area towards mountains, biological fences for preventing and treating water and soil loss are planted on side slopes between the adjacent tea-oil tree planting areas, and green manure or commercial crops are planted between biological fence rows and tea-oil tree rows of the tea-oil tree planting areas. The water and soil loss is prevented and treated by increasing fertilizer, loosening soil, increasing the nutrient inventory of the growth soil layer of the tea-oil trees and improving the physical and chemical properties of the soil, the aims of promoting the tea-oil trees to bloom early and fruit as many as possible, increasing the yield of the tea-oil trees, improving the quality of the tea-oil trees, reducing the input amount of fertilizer and reducing labor force input are achieved, and the method can be widely applied to the production practice of the tea-oil trees at home and abroad.

The invention discloses a soil conditioner for tobacco field acidic soil, wherein the soil conditioner comprises, by weight, 40-80 parts of shells, 20-60 parts of potassium feldspar, 10-50 parts of limestone, and 15-40 parts of dolomite. According to the present invention, the soil conditioner can neutralize the active acid and the exchangeable acid in the soil, obviously increase the pH value ofthe soil, increase the soil plough layer exchangeable Ca<2+> and Mg<2+> concentrations, improve the soil microbial environment, increase the numbers of soil bacteria, actinomycetes and aerobic cellulose decomposition bacteria, improve the activities of urease, acid phosphatase, catalase and cellulase, passivate the heavy metals in the soil, reduce the heavy metals in tobacco, reduce the occurrenceof tobacco root diseases, improve the aroma quality, the aroma amount and the concentration of tobacco leaves, and reduce the irritation, the miscellaneous gas and the like of tobacco leaves.

The invention discloses a building energy-saving thermal insulation material, which is characterized being prepared from the following raw materials by weight: 15-25 parts of cement, 15-20 parts of blast furnace water granulated slag, 35-40 parts of volcanic ash, 5-8 parts of surface function modified porous hollow aluminum oxide nanofibers, 2-4 parts of rare earth fluoride hollow nano ions, 3-6 parts of Lambda-cyhalothric acid modified aminated beta-cyclodextrin and 1-3 parts of a coupling agent. The invention also discloses a preparation method of the building energy-saving thermal insulation material. The building energy-saving thermal insulation material disclosed by the invention is excellent in comprehensive performance, strong in thermal insulation property, good in aging resistance, weather resistance and flame retardance, excellent in performance stability and mechanical property, green and environment-friendly in use, high in durability, weather resistance, corrosion resistance, freeze thawing resistance and reliability, and wide in application range.

The invention discloses a method for constructing a mangrove forest on an offshore river bank. The method comprises the following steps of establishing a temporary cofferdam on the edge of the offshore river bank, excavating earthwork of the offshore river bank, reducing the elevation of the offshore river bank to form a planting slope, and dividing a mangrove pre-planting area and a semi-mangrovepre-planting area according to a first highest tide level line; improving the soil of the mangrove pre-planting area, and improving or replacing the soil of the semi-mangrove pre-planting area; laying an anti-scouring blanket on the slope surface of the planting slope; removing the temporary cofferdam, measuring to obtain a second highest tide level line, and dividing a mangrove planting area anda semi-mangrove planting area according to the second highest tide level line. According to the method disclosed by the invention, the planting slope is formed by reducing the elevation of the offshore river bank, and the soil on the planting slope is improved or replaced so as to be suitable for the growth of mangrove forest plants and semi-mangrove forest plants. The method not only aims at mudflat reconstruction, but also is wide in application range, capable of effectively increasing the distribution area of the mangrove forest, improving the forest stand quality, and improving the ecological value and landscape value of the offshore riverway.

The invention discloses an environment-friendly plastic pipe which is characterized by being prepared from the following raw materials in parts by weight: 70-80 parts of benzophenone benzotriazolyl polyphenyl ether, 3-6 parts of benzidine disulfonic acid, 10-20 parts of hyperbranched sulfonated polyetheretherketone, 1-3 parts of epoxy SBS resin, 3-5 parts of epoxy plasticizer, 2-4 parts of 3-glycidyl ether oxypropyl triethoxysilane, 10-20 parts of inorganic fiber, 3-6 parts of antioxidant and 3-5 parts of phosphorus pentoxide. The invention further discloses a preparation method of the environment-friendly plastic pipe. The environment-friendly plastic pipe is excellent in wear resistance, flame retardance, environment friendliness, aging resistance, processability, mechanical property and performance stability.

The invention provides a multifunctional ecological seawall ecosystem applicable to bays with strong stormy waves. The multifunctional ecological seawall ecosystem comprises a multi-step type wave-proof bank energy dissipation artificial fish reef area, a mangrove and landscape plant living adaption area, an ecological seawall main body engineering area and an ecological hydrophilic landscape area which are sequentially arranged from the coastal side to the inland. The ecological seawall main body engineering area comprises an artificial wave-proof area and an artificial natural ecological plant growing frame which are arranged from the coastal side to the inland, wherein the multi-step wave-proof bank energy dissipation artificial fish reef area is constructed by means of a wave-proof bank ecological gabion system and superposed with a seaweed bed ecosystem. The reconstruction of a mangrove plant or landscape plant living adaption system is carried out in the mangrove and landscape plant living adaption area under the assistance of filling of accropodes or natural blocky stones or back-silting remediation. The provided multifunctional ecological seawall ecosystem has the advantages of slowing down erosion of stormy waves, improving the safety of embankment protection feet, promoting heterogeneity and diversity of coastal coastline habitats, being suitable for growth and breeding of mangroves and the like.

The invention discloses a smelting process for efficient and energy-saving regenerated lead. The smelting process for the efficient and energy-saving regenerated lead is characterized by comprising the following steps: step S1, preparation for a lead raw material for smelting; step S2, treatment for a lead paste; step S3, forming for the lead smelting raw material; step S4, smelting treatment; andstep S5, by-product aftertreatment. The invention further discloses the efficient and energy-saving regenerated lead prepared according to the smelting process for the efficient and energy-saving regenerated lead. The smelting process for the efficient and energy-saving regenerated lead is capable of efficiently, rapidly and safely smelting lead scraps and wastes into the regenerated lead, so that resource recycling is realized, waste is turned into wealth, and the problems of low metal recovery rate and high lead content of slag in an existing smelting process for regenerated lead, and environment pollution caused by the generation of lots of smoke containing lead, sulfur dioxide and acid mist, are solved; and the smelting process for the efficient and energy-saving regenerated lead hasthe advantages of being high in lead direct-recovery rate, comprehensive recovery rate and labor productivity, low in precious metal loss, and high in economic value, ecological value and social value.

The invention discloses an active powder concrete noise barrier which comprises a thin noise absorption board, a composite noise absorption board, a groove body, transparent resin boards and columns. The thin noise absorption board is a thin single-wall board provided with corrugations and holes, the composite noise absorption board is a composite board provided with corrugations, holes and a noise attenuation material, double layers of clamping grooves are formed in the inner side wall of the groove body, the resin boards are embedded and inserted into the clamping grooves and are arranged among the columns in a staggered mode, the inner surfaces of the resin boards are adhered with the man-made luminescent stones, and titanium dioxide material bags are filled among the resin boards. The active powder concrete noise barrier is diversified in function and high in ecological value, achieves road noise blocking and absorption, also achieves decomposition of automobile tail gas and further has a flow guide function, and the problems including the poor noise insulation effect, single function and the like of a traditional noise barrier for a road are well solved.

The invention belongs to the salix mongolica resource utilization field, and concretely relates to a method for preparing a phenolic compound by directly reusing process water generated by hydro-thermal liquefaction of salix mongolica. The method comprises the following steps: dumping the crushed salix mongolica in a high pressure reaction vessel to form a mixed liquor with a certain solid-liquid mass ratio, filling inert gas with a certain pressure in a reaction vessel, stirring and heating to the temperature of 150-350 DEG C, keeping for 1-180 minutes, rapidly cooling to room temperature, collecting a reaction mixture, filtering the reaction mixture and separating to obtain a solid phase and a liquid phase, wherein the liquid phase is the process water which is directly reused as a liquefaction medium for next hydro-thermal liquefaction, and the organic compound in the organic solvent extraction process water can be used in advance, and the surplus water phase is taken as a liquefaction medium for next hydro-thermal reaction. The solid phase and the process water are extracted by an organic solvent, the organic phase is separated and filtered to remove the organic solvent to obtain bio oil. The bio oil contains abundant phenolic compound. The hydro-thermal liquefaction process water can be directly reused for simplifying the technology flow, the waste water treatment is reduced, and generation of the phenolic compound can be simultaneously promoted.

The invention discloses a cold chain coolant that is characterized by being prepared from, by mass, 5%-10% of metal chloride, 1%-4% of ammonium chloride, 1%-3% of alcohol, 0.1%-0.3% of active silicon,2%-5% of borax, 0.3%-1% of docusate sodium, 5%-10% of amino-terminated polyethylene glycol amidated pectic acid, 2%-4% of aleuritic acid group organic salt and the balance water, wherein the aleuritic acid group organic salt is prepared by carrying out ion exchange reaction on aleuritic acid and choline. The invention further discloses a preparation method of the cold chain coolant. The cold chain coolant disclosed by the invention has the advantages of large latent heat, small supercooling degree, good heat transfer, good cold chain effect, small toxicity and pollution, high cold chain efficiency and long cold storage time.

The invention relates to an ecological mixed culture method for co-culturing oysters in sea cucumber circle. The method comprises the following steps: the pond area is larger than or equal to 20 mu and water depth is 2 m or above; sea cucumber seedlings are added, adding specification and density are adjusted according to water depth, a substrate and water change conditions, wherein the adding density is 1,500-3,000 tou / mu when the specification of the sea cucumber seedlings is 40-80 tou / kg; oyster seedlings are added in accordance with density of 50-150 diao / mu, 5-20 adherance / diao and 5-20 seedlings per each adherence; piling is performed on opposite sides of a pond before the oyster seedlings are added, floating ropes are arranged between the two piles on the opposite sides, the distance between the floating ropes is 5-10 m, floating balls are fixed on the floating ropes, one diao of oyster seedlings is hung on the floating ropes at an interval of 50-100 cm, scallop shells are usedas adherance, hanging ropes are 0.5-1.2 m long, and spacing between the adherance is 15-30 cm; water is changed regularly for 10%-30% every time. According to the method, the ecological environment ofthe culture water area can be improved, and the culture yield of the sea cucumbers and the oysters is increased.

The invention relates to a preparation method of a graphene anticorrosion aqueous coating for magnesium alloy, which includes steps of: preparing a graphene / methyltrimethoxysilane dispersion, coatingthe surface of AZ91D magnesium alloy with the graphene / methyltrimethoxysilane dispersion by 2-3 layers particularly in a rod-coating manner, and drying and curing the coating in a drying box at 80-100DEG C. The invention further discloses the graphene anticorrosion aqueous coating for magnesium alloy, which is prepared through the method, and the applications of the coating on a magnesium alloy product surface. In the coating, the methyltrimethoxysilane is bonded to the graphene oxide lamella, so that the composite graphene oxide coating has better anticorrosion effect. The product greatly improves the anticorrosion effect of the magnesium alloy, is low in cost, is simple in preparation method, is free of heavy metal ions and satisfies ecological and environmental protection.

The invention discloses environment-friendly putty powder which is characterized in comprising the following components in parts by weight: 20-30 parts of palygorskite, 10-20 parts of montmorillonite,15-20 parts of white cement, 1-3 parts of lambda-carrageenan modified polyquaternium-10, 2-4 parts of rosin modified cationic guar gum, 1-3 parts of konjac gum, 0.5-1.5 parts of epoxy-terminated hyperbranched polyphosphate and 0.5-1.5 parts of amino-terminated hyperbranched polybenzimidazole. The invention further provides a preparation method of the environment-friendly putty powder. The environment-friendly putty powder disclosed by the invention is good in comprehensive performance, sufficient in strength and adhesive force, high in hardness, good in water resistance, free of phenomena ofhollowing, peeling, cracking and falling off after being wetted by water, and safe and environment-friendly to use.

The invention discloses a heat-preservation and heat-insulation macromolecular environment-friendly material which is characterized by being prepared from the following raw materials in parts by weight: 80-100 parts of linear thermoplastic phenolic resin, 35-45 parts of 4-chlorobenzene chloromethyldimethylsilane modified 1, 3-bis (oxiranylmethyl)-5-(2-propenyl)-1, 3, 5-triazine-2, 4, 6 (1H, 3H, 5H)-trione / diniconazole / 1-(4-chlorophenyl) vinylboronic acid pinacol ester / 4-triethoxysilyl vinylbenzocyclobutene copolymer, 5-8 parts of a foaming agent, 2-5 parts of a basic catalyst, 1-3 parts of anantioxidant, 5-10 parts of a plasticizer, 15-25 parts of a solid waste-based porous material, 3-5 parts of cordierite powder and 2- 5 parts of a coupling agent. The invention further discloses a preparation method of the heat-preservation and heat-insulation macromolecular environment-friendly material. The heat-preservation and heat-insulation macromolecular environment-friendly material disclosed by the invention is excellent in comprehensive performance, remarkable in heat preservation and insulation effect, low in manufacturing cost, good in environment friendliness, excellent in fire resistance, flame retardance, high temperature resistance, weather resistance and mechanical property and high in economic value, social value and ecological value.

The invention relates to light fast pink chromogen pigment red for a solvent-based ink material, wherein the light fast pink chromogen pigment red comprises the following components in parts by weight: 15-22 parts of alkaline red, 1-5 parts of glacial acetic acid, 1-6 parts of disodium hydrogen phosphate, 11-17 parts of sodium tungstate, 18-24 parts of sodium molybdate, 2-5 parts of a pigment aid,25-35 parts of hydrochloric acid, 2-6 parts of rosin and 2-5 parts of liquid caustic soda, wherein the pigment aid comprises the following components in parts by weight: 2-6 parts of 3-(1-methylethyl)-1H-1,2,4-triazole-5-amine, 1-3 parts of hyperbranched polyethyleneimine, 2-6 parts of hyperbranched polyglycidyl ether, 3-6 parts of oxibetaine, 2-7 parts of ethylenediamine tetraacetic acid disodium salt, 3-5 parts of diazolidinyl urea, 55-65 parts of water, 1-2 parts of a dispersant, 1-3 parts of an emulsifier, and 12-18 parts of a cosolvent. The invention further discloses a preparation method of the light fast pink chromogen pigment red. The light fast pink chromogen pigment red of the invention is low in red viscosity, good in storage and transportation stability, good in dispersity, high in tinting strength, high in light fastness, weather fastness and solvent resistance, and bright in color and luster.

The invention discloses furan resin loaded nano ceramic modified molding sand. The furan resin loaded nano ceramic modified molding sand is characterized by comprising the components, by weight, 50-70parts of silica sand, 40-50 parts of quartz sand, 2-5 parts of manganese sand, 3-6 parts of white marble sand, 3-5 parts of glass sand, 3-6 parts of emery, 1-3 parts of borax, 2-4 parts of rare earthporcelain sand, 4-8 parts of coal ash, 5-10 parts of triethoxy-2-furan silane modified nano ceramic powder, 6-9 parts of furan resin, 4-7 parts of epoxidized polyurethane / 2,5-di(aminomethyl) furan polycondensate, 2-4 parts of hyperbranched epoxy resin and 25-35 parts of water. The invention also discloses a preparation method of the furan resin loaded nano ceramic modified molding sand. The furanresin loaded nano ceramic modified molding sand has the advantages of being good in air permeability, flowability, and dispersibility, high in strength, good in heat resistance, excellent in comprehensive performance, smooth in casting surface, not prone to falling out, and capable of being recycled and reused.

The invention belongs to the technical field of paper materials, and particularly relates to an environment-friendly recyclable degradable paper material and a preparation method thereof. The environment-friendly recyclable degradable paper material is prepared by mixing the following materials in percentage by mass: 20-40% of gelatinized starch glue and 60-80% of paper four, wherein the gelatinized starch glue comprises tapioca starch, a starch modifier, dibutyl phthalate, a reinforcing agent, and polyvinyl alcohol, and the mass fractions of the components are as follows: 30-60% of the tapioca starch, 1-2% of the starch modifier, 2-5% of the dibutyl phthalate, 3-15% of the reinforcing agent, and 30-60% of the polyvinyl alcohol. According to the invention, by virtue of raw material combining and proportioning of the paper material and improvement of a production process, a recyclable, degradable and high-strength paper material is produced, and the requirements on recycling and strength characters are met.

The invention discloses a weather-resistant wire and cable material. The material is characterized by being prepared from following raw materials in parts by weight: 70-80 parts of perfluorotriazine rubber, 15-25 parts of epichlorohydrin rubber, 20-30 parts of benzotriazole-1-carbothioic acid allyl amide / 2,4-diamino-6-vinyl-S-triazine / titanium triisopropanol methacrylate / 4-hydroxybutyl vinyl ethercopolymer, 5 to 10 parts of industrial solid waste, 5 to 10 parts of volcanic ash, 2 to 5 parts of epoxy asphalt, and 3 to 6 parts of a vulcanizing agent. The invention also discloses a production method of the weather-resistant wire and cable material. The weather-resistant wire and cable material is excellent in comprehensive performance, excellent in mechanical property, weather resistance andflame resistance, good in wear resistance, aging resistance and heat resistance, high in use safety and long in service life.

The invention provides a concrete admixture and a preparation method. Tea is ground, water is added, the mixture is boiled, and an exciting agent, namely, a tea extracting solution is obtained for later use; theophylline, tea polyphenol and the exciting agent, namely, the tea extracting solution are weighed in a weight ratio, mixed and stirred uniformly; the concrete admixture is obtained throughintermittent mixing under the ultrasonic condition. Effective components of tea are mainly taken as a basis, natural components including theophylline and tea polyphenol in tea are sufficiently utilized for admixture preparation, the tea extracting solution is taken as the excitant, and excitation is performed through multiple amino acids, vitamins, organic acid, lipopolysaccharide, saponin, sterol and the like in the tea extracting solution. The water reducing function and the early strength function of the natural components of the tea on concrete are played, and the concrete admixture has very high social value and ecological value.

The invention discloses a PE plastic pipeline manufacturing process. The PE plastic pipeline manufacturing process is characterized by comprising the following steps of S1, preparing a copolymer; S2,mixing the materials; S3, extrusion molding; S4, cooling and shaping; and S5, cutting and winding. The invention further discloses a PE plastic pipeline manufactured according to the PE plastic pipeline manufacturing process. The PE plastic pipeline is simple and feasible in manufacturing process, low in dependence on equipment, mild in reaction condition, low in energy consumption, low in defective rate, high in preparation efficiency, suitable for continuous large-scale production and high in economic value, social value and ecological value; and the manufactured PE plastic pipeline is goodin comprehensive performance, mechanical property, weather resistance, wear resistance and performance stability.

The invention discloses an environment-friendly composite early-strength water reducing agent, which is characterized by including the following components in parts by weight: 15 to 20 parts of 3-(1-naphthyl) acrylic acid / 3-[N, N-dimethyl-[2-(2-methylprop-2-enoyloxy) ethyl] ammonium] propane-1-sulfonic acid inner salt / 4-vinyl-2, 3-dihydrobenzofuran / alliin copolymer; 4 to 8 parts of hyperbranched polylysine; 2-5 parts of sodium alginate; 4 to 7 parts of celestite; 1-3 parts of spar; 1 to 3 parts of N-(3-triethoxysilylpropyl) glucosamide; and 30-40 parts of water. The invention also discloses apreparation method of the environment-friendly composite early strength water reducing agent. The environment-friendly composite early-strength water reducing agent disclosed by the invention is remarkable in early-strength water reducing effect, small in mixing amount, capable of effectively improving the compressive strength of concrete, reducing the shrinkage rate of the concrete and shorteningthe production period of the concrete, free of obvious negative effects on the comprehensive performance of the concrete, and green and environment-friendly in preparation and use processes.

Provided is a high-yield cultivation technology method for camellia oleifera. The method comprises the steps that a low-mountain hilly terrain in Yuexi county is selected, multiple camellia oleifera planting regions are divided along contour lines in the vertical direction of mountain land or a low-mountain hilly area, a horizontal terraced strip used for planting camellia oleifera is dug in each camellia oleifera planting region towards a mountain, a biological fence for preventing and controlling the water and soil loss is planted on a side slope between every two adjacent camellia oleifera planting regions, and green manure or commercial crops are planted between the lines of the biological fences and camellia oleifera in the camellia oleifera planting regions. According to the high-yield cultivation technology method for the camellia oleifera, by means of afforestation land selection, land preparation, afforestation and tending management, the water and soil loss is prevented and controlled, the purposes of promoting early blooming and more fruiting of the camellia oleifera, increasing the yield of the camellia oleifera, improving the quality of the camellia oleifera, reducing the input amount of chemical fertilizer and reducing labor input are achieved, and the method can be widely applied in production practice of the camellia oleifera at home and abroad.