156results about How to "Protect natural resources" patented technology

The invention relates to a method for aquaculture, in particular to a method for breeding Odontobutis obscura through fish-rice symbiosis in a pool. According to the method, rice is planted in the pool for Odontobutis obscura aquaculture. The fish-rice symbiosis method is adopted for breeding food organisms in water to provide natural baits for fishes, and the rice is used for providing ingestion, shielding and inhabiting space for the fishes, shrimps, crabs and others; the fishes and the crabs prey on insect pests to control ineffective tillering of the rice; original ecology planting mode that no pesticide is sprayed, no fertilizer is applied, and residual baits and excrement are used as nutrients is adopted, , so that while the problem of nutrient enrichment of aquaculture water is effectively solved, shading and cooling are achieved in summer; heat preservation and temperature constancy are achieved in winter, an inhabiting place is provided for the bred variety, the growth period is prolonged, so that the breeding yield and quality and the specification on the market are improved, and the high yield and efficiency are achieved. According to the method, the production problem that wild and natural prey of the Odontobutis obscura is converted into artificial breeding is solved, the environment of breeding water quality, apparent availability and breeding production benefits are improved, and the method is of great importance in protecting natural resources.

The invention discloses an ambergris cigarette and ambergris spices. The cigarette is composed of a filter tip, an ambergris capsule, cigarette paper and tobacco shreds, the ambergris spices are wrapped by the ambergris capsule, and the ambergris capsule is embedded in the middle of the filter tip. After the tobacco shreds are coiled by the cigarette paper, the cigarette paper and the filter tip are connected to form the cigarette. The ambergris spices are wrapped by the ambergris capsule, then the ambergris capsule is embedded in the filter tip, the capsule is slightly pinched and broken in the use process, it can be guaranteed that the spices are not given out in the transportation and storage process, the persistence of the fragrance is guaranteed, and the original taste of the fragrance of ambergris can be maintained when the cigarette is smoked.

The invention discloses composite coating equipment and a manufacturing method for a neodymium iron boron rare-earth permanent magnetic device. The coating equipment comprises a vacuum chamber, a cylindrical rotary cathode magnetron target, a planar cathode magnetron target, a cylindrical or rectangular cathode multi-arc ion target, an anode layer linear ion source, a rotating stand and a charging basket. When the coating equipment works, the rotating stand revolves in the vacuum chamber, and rotating shafts at two ends of the netlike charging basket are arranged on the rotating stand, namely that the rotating stand rotates automatically along with revolution. The cylindrical rotary cathode magnetron target is arranged in the rotating stand in the vacuum chamber; the planar magnetron target, the multi-arc ion target, the anode layer linear ion source and a heating device are arranged around the rotating stand in the vacuum chamber; a composite coating is divided into three layers, wherein the first layer is a magnetron sputtering coating of which the thickness is 0.1-5mu m, the second layer is a magnetron sputtering and multi-arc mixed coating of which the thickness is 1-15mu m, and the third layer is a magnetron sputtering coating of which the thickness is 0.1-5mu m. The composite coating is used for a surface treatment procedure of the rare-earth permanent magnetic device, so that the corrosion resistance of the rare-earth permanent magnetic device is improved, and the magnetic performance of the rare-earth permanent magnetic device is also improved.

The invention discloses a hybrid film coating method of a neodymium iron boron rare earth permanent magnet device. According to the method, firstly, alloy smelting is carried out, alloy in a molten state is cast onto a rotary copper roller with a water cooling effect for being cooled to be manufactured into an alloy sheet, then, the alloy sheet is subjected to hydrogen decrepitation, material mixing and airflow powder grinding, next, materials are mixed by a material mixing machine and are then sent to a nitrogen gas protection magnetic field orientation pressing machine to be formed, the mixed materials are subjected to isostatic pressing after being encapsulated in a protection box, then, the sintering and the aging are carried out, a neodymium iron boron rare earth permanent magnet blank is prepared, the blank is subjected to machining, a neodymium iron boron rare earth permanent magnet is prepared, next, the neodymium iron boron rare earth permanent magnet is subjected to film coating, the neodymium iron boron rare earth permanent magnet device is formed, the film coating comprises three layers, the first layer and the second layer are magnetron sputtering coatings, and the second layer is a magnetron sputtering and multi-arc ion plating hybrid coating. The hybrid film coating is adopted as a surface treatment work procedure of the rare earth permanent magnet device, the anti-corrosion capability of the rare earth permanent magnet device is improved, and meanwhile, the magnetic performance of the rare earth permanent magnet device is also improved.

The invention discloses two fungi for promoting seeds of Dendrobium to sprout, which have great application value on sexual propagation of Dendrobium, mass production of seedlings and sustainable utilization of resources.

The invention discloses a steel slag double layer water permeable pavement, which is characterized in that the pavement comprises two layers, wherein, a first layer covers a second layer and comprises the following components according to weight: A. 42.5 ordinary Portland cement: one portion; B. water: 0.25 to 0.35 portions; C. fine steel slag: 4.0 to 7.0 portions, and a diameter of the fine steel slag grain is 1 to 3mm; D. admixture: 1.0 percent to 5.0 percent, and the weight of the cement is taken as the benchmark. The second layer comprises the following components according to weight: a. 42.5 ordinary Portland cement: one portion; b. water: 0.25 to 0.35 portions; c. coarse steel slag: 4.0 to 7.0 portions, and a diameter of the coarse steel slag is 5 to 12mm; d. admixture: 1.0 percent to 5.0 percent, and the weight of the cement is taken as the benchmark. The steel slag double layer water permeable pavement of the invention enjoys a compressive strength in 28 days that is more than or equal to 20 MPa, a bending strength that is more than or equal to 4.5 MPa, and a permeability coefficient that is larger than 1mm/s. In the aspects of bending strength, compressive strength, anti big particle wastes blockage and elegance, the invention is relatively advantageous, compared with a single layer steel slag water permeable concrete pavement.

The tree planting disc is made with clay and organic matter in the volume ratio of 2/3-1 as well as slow released fertilizer and water, and through mixing to form mixture with water content of 40-60 % and forming the mixture into disc. When the tree planting disc is applied, it is set in hole and covered with soil of 1-2 cm thickness before seeding, covering the seed with soil and densifying. The tree planting disc may be used with regenerated material, can ensure good growth condition for tree seedling, and has low cost.

The invention discloses a glycine betaine surfactant composition system and a purpose thereof. The glycine betaine surfactant composition system comprises one or more mixtures of a glycine betaine surfactant and an anionic surfactant. The glycine betaine surfactant comprises alkyl dimethyl betaine, alkyl amide propyl dimethyl betaine, alkyl sulphobetaine and alkyl hydroxy sulphobetaine. The use concentration ratio of the glycine betaine surfactant and the anionic surfactant, by 100% pure activity, is 1:0.1-10. The glycine betaine surfactant composition system is used for chemical displacement of reservoir oil, and enables the oil deposit of an oil well in which secondary oil-production efficiency in the later period is decreased seriously to be developed by 10-15%, and the economic efficiency is very obvious. Moreover, the use concentration is low, and cost is lowered greatly. Due to the fact that other conventional alkalis are of no need, the select face of polymers is made to be wider, and the significance for protecting natural resources is great.

The invention relates to a recycled aggregate special mortar preparation method and relates to the field of building materials. The method includes the steps: using building wastes such as waste concrete, waste bricks and waste lime-sand mortar which are smaller than 690mm in length as raw materials, determining the quantity of the raw materials as required, crushing and drying to enable moisture to be not more than 0.5% prior to gradational sieving, removing metal, wood dust, plastics and sundries during gradational sieving so that recycled aggregates with the grain sizes of 0.075-0.15mm, 0.15-0.3mm and 0.3-0.6mm are prepared, and using the recycled aggregates to prepare special mortar series including putty for interior and exterior walls, high-hardness and washable putty for interior walls, anti-cracking impermeable elastic putty for exterior walls, dry powder ceramic simulating coating putty, high-hardness washable paste putty, interior wall polishing putty, anti-cracking putty for exterior walls, exterior wall ceramic tile cementing agents, gypsum jointing agents, ceramic tile cementing agents, vetrified tile and mosaic tile cementing agents, marble and thermal-insulation board cementing agents, external thermal insulation cementing mortar and polyphenyl particle rubber powder composite thermal mortar. The recycled aggregate special mortar is used as building raw materials. By the recycled aggregate special mortar preparation method, natural resources are protected, wastes are turned to wealth, labor and time are saved, cost is low, and the requirements of low-carbon production and low-carbon life are met.

The invention discloses a method for preparing urea ardealite by a solution crystallization method taking ardealite as raw material. The method comprises the following steps of: (1) preparing a saturated urea aqueous solution, and adding ardealite, soluble phosphate and urea into the saturated urea aqueous solution to form slurry; (2) in the conditions of normal pressure and normal temperature, uniformly mixing the slurry and performing crystallization reaction to obtain urea ardealite slurry; and (3) performing solid-liquid separation on the urea ardealite slurry, and then drying the solid phase to obtain the urea ardealite. According to the invention, on the conditions of normal pressure and normal temperature, ardealite, soluble phosphate and urea are used as raw materials, a solution crystallization method is adopted, the investment is small, and the operation is convenient; and the prepared urea ardealite has the characteristics of regular crystal form, uniform granularity, accurate adjustment of purity and stable quality.

The invention relates to a preparation method of recycled aggregate ready-mixed mortar, belonging to the field of building raw materials. The preparation method comprises the following steps of: taking waste concrete, waste bricks and waste sand-lime building materials, which are smaller than 690mm, as raw materials, determining the quantity according to the needs, crushing and drying till the water content is not more than 0.5%, and then performing graded screening so as to prepare recycled aggregate with the particle sizes of 0.075-0.15 mm, 0.15-0.3 mm, 0.3-0.6 mm, 0.6-1.18 mm, 1.18-2.36 mm, 2.36-4.75 mm, 4.75-10 mm and 10-32 mm, wherein metal, wood chips, plastics and other sundries are removed in the graded screening, and the masonry, plastering, waterproof or ground mortar can be respectively prepared by enabling the proportion of the sum of one of the recycled aggregate, cement, powdered ore and cellulose, and short fiber, xanthan gum powder and waterproof powder to the added water to be 1: 0.18. The recycled aggregate ready-mixed mortar can be used as a building raw material. The preparation method has the advantages of protecting natural resources, saving labor, saving time, saving effort, realizing low cost, changing the wastes into valuable things, and meeting the requirements of low-carbon production and living.

The invention discloses a preparation method of recycled aggregate from building wastes, relating to the technical field of building raw materials. The preparation method comprises the following steps of: adopting a waste utilization technology, taking waste concrete, waste bricks and waste sand-lime building materials, which are smaller than 690mm, as raw materials, determining the quantity according to needs, crushing, further drying till the water content is not more than 0.5%, and then performing graded screening so as to prepare the recycled aggregate with the particle sizes of 0.075-0.15 mm, 0.15-0.3 mm, 0.3-0.6 mm, 0.6-1.18 mm, 1.18-2.36 mm, 2.36-4.75 mm, 4.75-10 mm and 10-32 mm and store the recycled aggregate with the different particle sizes respectively, wherein a magnet is applied in the graded screening process for removing metal as well as removing wood chips, plastics and other sundries according to the specific gravity. The recycled aggregate can be used as a building raw material. The preparation method has the advantages of protecting natural resources, saving labor, saving time, saving effort, realizing low cost, changing the wastes into valuable things, and meeting the requirements of low-carbon production and low-carbon living.

The invention discloses complete equipment for complete regeneration of used clay sand. The complete equipment comprises a high-temperature embrittling device for roasting the used sand at a high temperature, an embrittled used sand cooling device for cooling the high-temperature embrittled used sand, a plurality of rows of grinding wheel regeneration machines for mechanical regeneration of the cooled used sand, a micro powder separating unit for separating micro powder in the regenerated sand, a regenerated sand modifying device for reducing acid consumption of the regenerated sand, and a three-return-stroke rotary drum for drying the modified regenerated sand. The complete equipment has the beneficial effects that the used clay sand can be completely regenerated, and the regenerated sand can be used for core making of various organic binding agents, so that environment pollution caused by discharge of the used sand is alleviated, the environment and natural resources are protected.

The invention discloses a taxus chinensis cell strain with high yield of 10-DAB, is named taxuswallichianavar. mairei plant cell line N12#, and is preserved in CGMCC, and the preservation number is CGMCC No.10001. The invention further discloses screening and establishment of a 10-DAB high-yield cell line (10-DeacetylbaccatinIII, CASNO: 32981-86-5). A high-yield 10-DAB cell line is induced and screened from taxuswallichianavar. mairei explant. Experimental results prove that the cell line can highly produce taxane diterpenoids such as secondary metabolites 10-DAB and can be used for production of crude drug precursors of paclitaxel and docetaxel.

The invention relates to a tunneling and support method for a mine, in particular to a slurry protection, rotary spraying and slurry injection technology for a flowing sand layer of pressure-bearing water of a work surface of a vertical well. When high-pressure and rotary spraying slurry injection is applied to the construction of a sand pebble layer, in particular a flowing sand layer under the condition of the pressure-bearing water of a work surface, the flowing water amount in a drilling hole is high and the pressure is high to cause the injected cement slurry to be flushed away by water, thus, piles can not be formed by rotary spraying. No study on the rotary spraying technology under the condition of pressure-bearing water is reported at home and abroad. In the work surface of a vertical well under the condition of pressure-bearing water, the invention sequentially carries out hole formation in a single-hole mode, pile formation in a slurry protection and single-hole mode and hole sealing and slurry fixation, and the rotary spraying construction of the flowing sand layer under the condition of the pressure-bearing water of integrated pressure and slurry protection is realized. The invention uses the work surface as a main construction field, and has small area of additional occupied land, and the construction machine has simplicity and low energy consumption. The adopted main material is the slurry of the cement series, which has no toxin or harm, and the induration is firm and reliable. The invention can play a positive role in protecting the natural resource and the ecological environment.

The invention discloses mixed film coating equipment for neodymium iron boron rare-earth permanent magnet components and a manufacturing method of the mixed film coating equipment. The film coating equipment comprises a vacuum chamber, cylinder rotating cathode magnetic control targets, plane cathode magnetic control targets, multi-arc ion targets, rotating stands and material baskets. In the working process, the rotating stands perform revolution in the vacuum chamber, and the two ends of each net-shaped material basket are installed on the corresponding rotating stand through rotary shafts and not only perform revolution along with the rotating stand, but also perform rotation. The cylinder rotating cathode magnetic control targets are installed in the rotating stands in the vacuum chamber, the plane magnetic control targets, the multi-arc ion targets, anode layer linear ion sources and a heating device are installed around the rotating stands in the vacuum chamber, and vacuum film coating is performed in a three-layer mode. The first layer is a magnetron sputtering coating layer, the thickness of the coating layer is 0.1 micrometer-5 micrometers, the second layer is a mixed coating layer of magnetron sputtering and multiple arcs, the thickness of the mixed coating layer is 1 micrometer-15 micrometers, the third layer is a magnetron sputtering coating layer, and the thickness of the coating layer is 0.1 micrometer-5 micrometers. Mixed film coating is adopted as the surface treatment process of the rare-earth permanent magnet components, so that the anti-corrosion capacity of the rare-earth permanent magnet components is improved, and meanwhile the magnetic performance of the rare-earth permanent magnet components is improved.

The invention relates to Brefeldin A-producing bacteria, a preparation method, a method for preparing the brefeldin A by fermentation and the application thereof. The Brefeldin A-producing bacteria has the advantages of easy selection, cultivation and storage, low cost, simple process, short preparation period, high yield, no usage of toxic raw material, less organic solvent, thorough guarantee of medicine resource, potential of mass production and favorable economic and social benefits, contributes to the maintenance of ecological balance and the protection of natural resources. The fermentation product of the invention, of which the main component is THSG, develops novel medical application, the Brefeldin A has high safety, low toxicity, stable property, stronger pharmacological action, simple preparation process, high yield and considerably wide range of application, is multipurpose, and can provide a novel source for medicines for preventing, diagnosing, detecting, protecting, curing and researching antimycotic, antiviral and antineoplastic diseases and the directly related diseases.

The invention relates to a culture method of zelkova serrata container big seedlings and belongs to the technical field of plant cultivation. The culture method comprises the steps of garden selection and land preparation, container selection, substrate preparation, seedlings selection, container planting, water and fertilizer management and the like. Zelkova serrata has a slow growing speed, and thus, aiming at the growth characteristics of the zelkova serrata, the culture method adopts a specific culture management, so that the survival rate can be improved, growth of the zelkova serrata is accelerated, the culture period is shortened, the seedlings are enabled to grow into big trees at an early date and natural resources are effectively protected; root control containers used in the culture method have an effect of promoting growth of lateral roots, are unlikely to damage roots in the transplanting process and are beneficial for improving the survival rate of the big seedling transplantation; moreover, in the transplanting process, the crowns of the seedlings do not need to be cut down, full-crown transplantation can be carried out, the transplanting effect is good and the engineering requirements of any construction period can be met.