79results about How to "Protect land resources" patented technology

The invention discloses an assembled type gridding shearing wall structural system which comprises a plurality of shearing wallboards arranged from top to bottom. Each shearing wallboard comprises a shearing wall body, upper restraining hidden beams and two vertical edge restraining components, the shearing wall body is formed by a plurality of prefabricated gridding shearing wall main bodies in a spliced mode, every two adjacent prefabricated gridding shearing wall main bodies are connected through a connecting hidden column, and rectangular boxes on the internal framework of each prefabricated gridding shearing wall main body are respectively provided with a rectangular heat preservation board in an inlaid mode. A construction technology of the assembled type gridding shearing wall structural system includes the steps of (1) carrying out measuring and setting-out, (2) hoisting the prefabricated gridding shearing wall main bodies, (3) constructing the upper restraining hidden beams, the connecting hidden columns and the vertical edge restraining components, (4) constructing the shearing wallboard on the upper layer, and (5) repeating the steps till the construction process of the multiple shearing wallboards is completed. The assembled type gridding shearing wall structural system and the construction technology are reasonable in design, convenient to construct, low in investment cost and good in use effect, and multiple problems in traditional assembling of an integrated shearing wall structure can be effectively solved.

The invention relates to a light-weight ceramsites of riverway sludge and a production method for the same. The light-weight ceramsites of riverway sludge disclosed by the invention are obtained by using riverway sludge as a main raw material, and then performing impurity removal and homogenization, drying and ageing, granulation, roasting and screening to prepare a finished product. The light-weight ceramsites of riverway sludge prepared by 100% of urban riverway sludge have a bulk density of 300-500 kg/m<3>, wherein a part of the riverway sludge can be replaced by other kinds of clay raw materials such as lake sludge and marsh sludge. The various performance indexes of the ceramsites industrially produced from riverway sludge achieve the requirements of the national standard GB2839-81 of clay ceramsites. In the light-weight ceramsites of riverway sludge and the production method for the same disclosed by the invention, riverway sludge is used for replacing clay to realize development and utilization for waste, and to protect farmland, so that great social benefits, economic benefits and environmental benefits are obtained.

The invention discloses a container nursery method for cinnamon. The method comprises the procedures of selection of nutrient cups, preparation of a nursery substrate, seed collection and treatment, cup planting of seedlings and cultivation management. The method comprises the following specific steps: preparing the prepared nursery substrate in the nutrient cups; treating collected cinnamon seeds; planting the seedlings into the cups; finally performing cultivation management to obtain cinnamon nursery stocks. The nursery substrate is prepared by mixing yellow soil, coco coir and perlite in the ratio of (1-6):1:1. According to the method, sowing seeds are saved, and the production cost is reduced; moreover, the nursery substrate has higher physical properties and is more suitable for the growth and development of the cinnamon, a brand new cultivation system is established for the cinnamon, the survival rate and growth amount of the cinnamon are increased greatly, and a good economic benefit is achieved; the cultivation of the nursery stocks in cinnamon containers is not influenced by soil property, land which is unsuitable for land cultivation can be utilized, the land resources are protected effectively, and better social and ecological benefits are achieved.

The invention discloses an autoclaved phosphogypsum brick completely prepared by industrial waste residues and a method for preparing the same and belongs to the technical field of construction materials. The autoclaved phosphogypsum brick is prepared from the following raw materials in part by weight: 60 to 80 parts of phosphogypsum, 3.9 to 7.8 parts of neutralization modifying agent, 15 to 30 parts of activated admixture, 1 to 2 parts of cementing aggregate, 0.1 to 0.2 part of exciting agent and 10 to 15 parts of water, wherein the neutralization modifying agent is carbide slag or lime slag;the activated admixture is one or more of zinc smelting granulated slag, fluidized bed furnace fire coal slag and grate furnace fire coal slag; the cementing aggregate is construction sand; and the exciting agent is glauber salt or sodium sulfate. The compressive strength of the autoclaved phosphogypsum brick disclosed in the invention reaches 15 to 20MPa.

The invention discloses an ecological restoration matrix of a lead-zinc tailing reservoir. The matrix comprises, by mass, 45-55 parts of tailing reservoir tailings, 20-30 parts of organic matter and 25-35 parts of tailing conditioning agents; the organic matter comprises 20-33 parts of city watercourse sediment, 25-40 parts of mineralized refuse and 33-50 parts of agricultural waste; the tailing conditioning agents comprise 28.6-40 parts of water-retaining agents, 16.7-28.6 parts of adhesives and 40-50 parts of chelating agents; the tailing reservoir tailings are dry beach sediment formed after the surface of the lead-zinc tailing reservoir is dried, and the particle diameter is 0.07-0.15 mm; the city watercourse sediment is products fermented by high temperature composting through a municipal sewage plant, and the water ratio is 30-40 percent; the mineralized refuse is products screened and fermented by the municipal sewage plant; the agricultural waste is smashed until the particle diameter is below 1 cm, and decomposition is performed by adding decomposition agents and water. According to the ecological restoration matrix of the lead-zinc tailing reservoir and a preparation method and application thereof, the rapid ecological restoration of the lead-zinc tailing reservoir is achieved through an ecological restoration technology, therefore, the environmental pollution of the tailing reservoir to surrounding soil can be governed, and the dwelling and living environment of neighboring residents can be improved.

The invention discloses an ecology and environment-friendly soil improvement agent, which is prepared from the following raw materials in parts by weight: 15-25 parts of ore soil filler, 7-11 parts of coal gangue, 8-10 parts of straw, 10-20 parts of mixed grass meal, 3-5 parts of compound microorganisms, 5-7 parts of humate, 8-12 parts of excrement of livestock, 4-6 parts of desulfurized gypsum, 6-8 parts of bamboo charcoal powder and 5-7 parts of trace element additives. The soil improvement agent provided by the invention can effectively overcome the imbalance of nutrient elements in soil, improve soil fertility, loosen the soil, improve fertilizer efficiency, increase the contents of organic matters and nutrients, loosen hardened soil, accelerate a process of raw soil ripening and improve or recover land productivity; furthermore, industrial and agricultural wastes are used as most of the raw materials, so that the soil improvement agent is environmentally-friendly and safe; furthermore, the preparation method provided by the invention is lower in material cost, easy in obtaining of raw materials, simple in technology and easy to operate and in realization of industrial production, thus having higher practical value and a good application prospect.

The invention discloses a special compound organic fertilizer for tobacco. The special compound organic fertilizer mainly comprises the following components in parts by weight: 25-40 parts of maize straws, 10-25 parts of excrements of livestock, 10-15 parts of oil cake, 0.1-0.6 part of urea and 0.1 part of a decomposition agent. The organic fertilizer is mainly prepared by the following steps: pretreating raw materials, performing primary fermentation, performing secondary fermentation, drying and packaging. The fertilizer is applied to the ditch before tobacco plant transplanting, so that growth of the tobacco plants can be obviously promoted, particularly the plant height and leaf length are increased, and the tobacco planting soil is improved; and therefore, the nicotine content of the tobacco leaf is reduced, the quality and appearance quality of the tobacco leaf are improved, the land resources can be effectively protected due to reasonable application of the fertilizer, and a necessary guarantee is provided for sustainable development of the tobacco leaf. The organic fertilizer is particularly suitable for cultivation of high-quality tobacco leaf. In addition, the organic fertilizer disclosed by the invention is wide in source and low in price, the pollution of straw combustion and livestock manure on the environment is reduced, the preparation method is simple and feasible, and the fertilizer is wide in functions and good in effect.

The invention discloses a Bacillus subtilis WB8 capable of producing diosgenin, and belongs to the technical field of applied microbiology. The strain is separated from internal issues of subterraneous stems of a medicinal plant of Dioscorea zingiberensis wright, can synthesize and secrete a metabolin of a host plant, namely diosgenin, and has the preservation number of CCTCC (China Center For Type Culture Collection) NO:M2010271; and the strain is rod-like, has the size of 1-1.5*3-5 mu m, forms a single-chain sporocarp, releases endospore, has rough colony with grid bulges, forms pellicle through liquid fermentation, has rich foam, and can grow 16SrDNA core sequence 1542bp with the thermophilic temperature of between 30 and 35 DEG C, the pH of 6.0-9.0 and capacity of tolerating 9.0 percent NaCl, wherein the core sequence has the sequence number of HM210636. The strain liquid is fermented by a common culture medium for 48 to 60 hours, the chloroform extract of the fermentation liquor is the diosgenin, and the diosgenin has the activity of inhibiting pathogenic bacteria and resisting tumor cells. The strain provided by the invention can produce the diosgenin; and compared with the conventional process of extracting the diosgenin from yam plants, the method avoids the pollution of strong acid and yam byproducts on environment, and has potential industrial application prospect.

The invention relates to a plastic module combination water pool. The water pool comprises a water pool body, a water pool water inlet sand sediment trap, a water pool water outlet well, a high-position ventilation cap, a low-position ventilation cap, a water pool water inlet pipe, a water pool water outlet pipe, a water pool overflow pipe, a water pool aeration system and the like, wherein the framework of the water pool body is a water storage module combination body formed by performing injection molding on polypropylene plastic, and different geotextile coating materials are used to coordinate with the framework so as to form a water storage pool with a single function or a permeation water pool having water storage and permeation functions. A plastic module is taken as the water storage pool of a water storage unit, an internal cleaning facility is configured and the water pool is assembled and constructed in a convenient and rapid way; the water pool can be split and rebuilt at another place or the plastic is recycled; and the water pool is beneficial to the protection of land resources and has good economic and social benefits.

The invention discloses a green, weather-proof and high-yield oilseed rape planting method. The green, weather-proof and high-yield oilseed rape planting method comprises the following steps of seed preprocessing, preparation of a germination acceleration triggering seed-soaking solution, seed soaking, preparation of a seed coating for oilseed rapes, oilseed rape seed treatment by using the seed coating, germination acceleration, seedling raising, planting field treatment, seedling transplantation and field planting, fertilization at a seedling stage, disease and pest prevention and control and harvesting. By adopting the planting method, the emergence rate of oilseed rape seeds is high, buds are thick, healthy and strong and are resistant to cold and freezing, the use amount of fertilizers is small, the use amount of organic fertilizers is large, pollution is reduced, the method is friendly and non-toxic to the environment, the fertilizer efficiency is improved, the oilseed rape yieldis effectively increased, meanwhile planted oilseed rape seeds are non-toxic, harmless and free of pesticide residues and are green, healthy and good in quality, the cost is reduced, powerful guarantee is provided for large-scale planting, and the green, weather-proof and high-yield oilseed rape planting method has a higher practical value and a good application prospect.

The present invention discloses a method for backfilling goat and supporting roof. said method includes the following steps: (1), preparatory stage; (2), pouring mixed slurry into tunnel; (3), repeatedly applying pressure to the mixed slurry in the tunnel interior and making vibration; and (4) filling up gap with expansion material slurry, pressurizing by means of self-weight and solidifying, etc.

The invention discloses a novel soil amendment prepared by the following raw materials, by weight: 25%-35% of sepiolite, 20%-30% of potassium feldspar, 10%-20% of chalk soil, 10%-20% of montmorillonite, 5%-10% of ion exchange resins, 0%-20% of ammonium sulfate, and 5%-10% of sulfur. The novel soil amendment has the characteristics of water retention, evaporating resistance, nitrogen fixation, desertification resistance, rock-desertification resistance, underground disease and insect pest resistance and water penetration resistance, prevents soil from hardening, adjusts pH value of the soil, is conducive to gelling of sandy soil and the soil, eliminates excess sodium in the soil, can improve the yield and the quality of agricultural products, protects health of plant species, allows no three wastes to be generated during preparation, overcomes pollutions, reduces investment cost, saves energy, and reduces carbon dioxide emissions.

The invention provides a method for applying organic fertilizer in flue-cured tobacco cultivation, and relates to a method for fertilizing flue-cured tobacco cultivation. According to the method, organic fertilizer to be applied is divided into two parts, one part is applied as base fertilizer, and the other part is applied as additional fertilizer; when well-cellar type tobacco transplant is adopted, the first part of the organic fertilizer is applied to the bottom of the well to serve as the base fertilizer, the rest part of the organic fertilizer is applied in the well when the tobacco seedling is transplanted and soil coating is needed, and then soil is coated; when non-well-cellar type tobacco transplant is adopted, the first part of the organic fertilizer is applied as the base fertilizer, and the other part of the organic fertilizer is applied between two tobacco seedlings by a punch method after tobacco seedling is transplanted, and then soil is coated. According to the method, the economical benefit of tobacco growers can be increased, the tobacco quality can be improved, the fertilizer utilization rate can be improved, the nutrition balance of tobacco seedling can be improved, and the aim of improving the tobacco quality can be achieved. Soil resources can be effectively protected by reasonably applying the organic fertilizer, necessary guarantee can be provided to sustainable development of tobacco leaves. The method is particularly suitable for cultivation of high-quality tobacco leaves.

The invention provides agricultural degradable stone paper and a preparation method thereof. The agricultural degradable stone paper comprises the following components in parts by weight: 1-3 parts of rutile titanium pigment, 1-3 parts of anatase titanium pigment, 45-65 parts of heavy calcium carbonate, 10-30 parts of light calcium carbonate, 3-5 parts of silane coupling agent, 15-25 parts of low density polyethylene, 5-10 parts of hot melt adhesive, 1-3 parts of bentonite and 0.5-1 part of sorbitam stearate. The agricultural degradable stone paper provided by the invention takes high molecular polymers as substrate raw materials; and by utilizing sunshine and steam of the farmland, the stone paper can be rapidly degraded in certain time after the stone paper achieves the effects of water retention, heat preservation and pregermination through the recombination action of light and water. The agricultural degradable stone paper provided by the invention has the advantages of saving labor cost and protecting land resources; and the agricultural degradable stone paper has a very good meaning in improving the environment of the farmland, especially the farmlands in mountain areas, remote areas and areas lacking water resources.

The invention discloses a fertilizer for strawberry cultivation. The fertilizer comprises the following components in percentage by weight: 18-22% of chicken manure, 16-20% of sheep manure, 14-18% ofpig manure, 12-16% of cow dung, 10-14% of saw dust, 6-10% of apple peel, 4-6% of peanut shell, 4-6% of egg shell, 4-6% of scale and 3-5% of bone meal. The fertilizer for strawberry cultivation can avoid excessive heavy metals brought by chemical fertilizers, well protects land resources, can nourish crops and can promote microbial activities in soil. Moreover, phosphorus and potassium in soil canbe well dissolved, the effects of moisturizing, preserving heat and increasing soil breathability are achieved, the absorption rate of strawberries on fertilizer nutrients is improved, the strawberrycultivation fertility is ensured, the strawberries can grow well, and the yield of the strawberries is increased.

The invention discloses an open-pit copper mine rock slope ecological greening system. The greening system comprises an open-pit copper mine rock slope, a geocell and a vegetation base material, the geocell is fixed on the open-pit copper mine rock slope through a steel bar anchor rod, the vegetation base material is filled in the geocell, the vegetation base material comprises copper tailings, plant fibers, low-alkali cement, an aggregate agent, a water-retaining agent, a pH regulator and an organic fertilizer, the vegetation base material comprises a vegetation base material bottom layer and a vegetation base material surface layer, and the vegetation base material bottom layer is arranged close to the open-air copper mine rock slope. According to the greening system, a large amount of tailing solid waste existing in a copper mine is used as a main raw material to prepare the slope greening planting base material, so that the purpose of treating waste with waste is achieved, the greening cost is reduced, pollution caused by tailing solid waste stockpiling is reduced, and the ecological environment of a mining area and the surrounding of the mining area is improved. The open-pit copper mine rock slope ecological greening system does not need large mechanical equipment during construction, and is simple and convenient in construction method, good in long-term stability, short in construction period and low in manufacturing cost.

The invention discloses a method for killing quarantine pests in wool processing leftovers through biological fermentation. The method comprises the steps of (1) preparing complex microbial inoculants, (2) pre-processing the wool processing leftovers, (3) forming a pile body, (4) performing preliminary fermentation and (5) performing high-temperature batch fermentation. Auxiliary materials and high-temperature complex microbial inoculants are added into the leftovers and wastes to perform compost fermentation by means of a biological fermentation method, the heat-producing bacterium effect in the complex microbial inoculants enable the pile body temperature to rise and drop intermittently, and a compost is converted into an organic fertilizer to be reused on the premise that pathogenic microorganism and weed seeds in introduced wool processing leftovers are ensured to be killed or removed. On the one hand, agricultural production safety in our country is ensured, and land resources and environment are protected; and on the other hand, the cost input and energy consumption of manufacturing enterprises are reduced, the using amount of chemical fertilizers used in crop growth is decreased, and organic agriculture development and resource recycling are promoted.