261results about How to "Achieve sustainable use" patented technology

The method includes following steps: using manual work or dipping LCD faceplate in solvent to remove polarized light film; using cutting method or dipping faceplate in acid liquor to remove sealing epoxy resin to open up two pieces of base plate of LCD faceplate in glass; dipping faceplate in organic solvent to remove liquid crystal; after cleaning glass base plate, and dipping the base plate to acid leach liquor to remove metallized plating film so as to obtain clean glass base plate; picking up and refining indium from acid leach liquor. The invention carries out innocent treatment for worn-out LCD faceplates, and recovers resources.

Corn cobs are important biomass resources. For a long time, the corn cobs have low chemical utilization ratio or cannot be utilized sufficiently to cause a great waste of resources. The invention develops a method for preparing ethylene glycol, propylene glycol and glycerine by carrying out catalytic hydrocracking conversion on the corn cobs, wherein the product is an important polyester synthetic chemical raw material. The corn cobs are efficiently converted into low carbon polyol products by the processes of acid-catalyzed hydrolysis, catalytic hydrogenation conversion and cracking. The yield of xylose in the hydrolytic process reaches over 30 percent; the conversion rate in the hydrogenation process reaches over 90 percent; and the selectivity in the hydrogenation process reaches over 90 percent.

The invention discloses a composite activated iron tailing sand auxiliary cementing material and a preparation method thereof. The technical problems that the fine iron tailing sand activation process is single, low in efficiency and poor in activation effect are mainly solved. The composite activated iron tailing sand auxiliary cementing material is prepared by mixing and activating high-silicon type fine iron tailing, chemical additives and active substances. The invention also discloses a preparation method of the composite activated iron tailing sand auxiliary cementing material. The preparation method comprises a mechanical grinding, chemical activation and thermodynamic activation composite activation process. The preparation method of the composite activated iron tailing sand auxiliary cementing material has the beneficial effects that the activity of the high-silicon type fine iron tailing can be effectively excited, the iron tailing subjected to composite activation can serve as an auxiliary cementing material for cement concrete and related components thereof, the comprehensive utilization rate of the iron tail is increased, environmental pollution and ecological damage are reduced, and a promoting effect on sustainable development of resources is excellent.

The invention discloses a nutrient regulation and control agent for reducing the lead and cadmium content of leaf vegetables, which comprises the following substances in percentage by weight: 18%-24% of sodium silicate, 16%-20% of calcium carbonate, 9%-12% of magnesium sulfate, 22%-30% of urea, 9%-11% of diammonium phosphate and 16%-21% of potassium sulfate. The using method of the nutrient regulation and control agent comprises the following steps: before planting the vegetable, uniformly mixing the sodium silicate, calcium carbonate, magnesium sulfate, urea, diammonium phosphate and potassium sulfate to obtain a mixture; base-applying all of the mixture, 20-60 kg per mu; turning over and harrowing uniformly so that the regulation and control agent and the polluted soil are uniformly mixed and seeding or transplanting can be performed; or base-applying half of the mixture, and uniformly dispersing the other half of the mixture into the soil after final singling of seedlings; and loosening the soil and sprinkling water. The regulation and control agent of the embodiment of the invention reduces the bioactivity of heavy metals in the soil, reduces absorption of the heavy metals of the leaf vegetable and improves the soil fertility.

The invention discloses a method for mechanically harvesting winter rape efficiently with low power consumption. The method comprises the following steps of: A, constructing a rape group suitable for mechanical harvest: selecting the variety suitable for mechanical production, performing mechanical precise-quantity direct seeding when the soil water content is 30 to 40 percent, and constructing an ideal group and a plant type by fertilizer and water application and disease inset pest and weed control; B, adjusting a mature period: spraying a ripener two to three days before the harvest of rape seed ripening stage in the regions of contradictory seasons; C, harvesting at right time: observing and measuring the morphological physiological index of the plant before the harvest of the rape, wherein more than 95 percent of siliques, namely yellow loquat fruits in the cropland are suitable for mechanical harvest; D, mechanically harvesting and measuring loss rate: harvesting by a special rape harvesting mechanism in a combining way in the period suitable for harvest; E, smashing and returning rape straw to the cropland: flooding the straw in water immediately after the harvest of rape, decaying and returning to the cropland. The method is easy and convenient to operate, improves a one-time efficient branch height, reduces the branch number, reduces the thickness of the pod layer, solves the problems of high harvest loss rate, and improves the yield.

The invention belongs to the technical field of crop culture, and discloses a method for interplanting tobacco with soybean, which includes: interplanting tobacco with shade-tolerant, lodging-resistant and mid-late maturing summer soybean; seeding the tobacco on late April of each year by wide and narrow row spacing, wherein wide row spacing is 120cm, narrow row spacing is 80cm, ridges are made in narrow rows, two rows of tobacco are planted on each ridge, and plant spacing is 55cm; and performing no-tillage direct seeding of the soybean in a period from one week before primary tobacco harvest and one week after the primary tobacco harvest, planting two to three rows of the soybean in each wide tobacco row, and manually digging holes for staggered-hole dibble seeding with hole spacing 22-33cm. By making use of difference between spatial niche and time niche of the tobacco and the soybean in terms of light, heat, water and fertilizer, interplanting the tobacco with the soybean and efficiently using solar energy, time-space resource complementary utilization for the tobacco and the soybean is realized, high yield and high quality of the tobacco are promoted for tobacco areas, one cropping of the soybean is added, resource utilization rate and land productivity are improved, and soybean yield is increased.

The invention discloses a method for fermenting and preparing biological butyl alcohol by using lignocellulose biomass as raw material. Dilute acid is used to hydrolyze lignocellulose biomass to prepare multi-component sugar solution; detoxication treatment and sterilization treatment are conducted to the multi-component sugar solution through membrane separation method and adsorption separation method, sterilization treatment is conducted to the multi-component sugar solution through the membrane separation method, then sterilization treatment is conducted to fermentation culture medium containing no carbon source under high temperature, and finally the sterilized multi-component sugar solution and the sterilized fermentation culture medium containing no carbon source are combined together to prepare fermentation culture medium; butyl alcohol production strains are inoculated in the fermentation culture medium and biological butyl alcohol is prepared through fermentation; and solid-liquid separation treatment is conducted to the fermented liquid and the liquid is distilled to obtain butyl alcohol, acetone and ethyl alcohol. The invention solves the problems of 'striving for grains with people and striving for land with grains' and high raw material cost existing in the traditional butyl alcohol fermentation and production method, and realizes the multiple utilization of lignocellulose biomass.

The invention discloses an artificial cultivation method for savatier monochasma herb. The method comprises the aspects of planting base establishing, breeding, planting, field managing, harvesting, processing, storing and seed reserving. By adopting the cultivation method, the survival rate of medicine materials is high, the per unit area yield is high, the content of the flavonoid and other effective components is high, the quality of the medicine materials is stable, the pesticide residue does not exist, the pollution does not exist, the heave metal content is low, the quality control is easy to carry out during large-area generalizing and planting, the environmentally-friendly Chinese medicine materials are achieved, the medicine material products are accordant with the standard in the Chinese pharmacopoeia in the 2010 edition.

The invention relates to a combined dispatching system for multiple water sources. The combined dispatching system for the multiple water sources comprises a real-time water quantity acquisition module, a data inputting and reading module, a demand-decided supply calculating module and a calculation result output module, wherein the real-time water quantity acquisition module and the data inputting and reading module are in communication connection with connected with the demand-decided supply calculating module and provide basic calculation data for the demand-decided supply calculating module, the demand-decided supply calculating module is connected with the calculation result output module and transmits a calculation result to the calculation result output module, and the calculation result is displayed. In addition, the invention provides a combined dispatching method for the multiple water sources. The method comprises the steps that (1) water and rainfall information of each sub-river-basin is acquired; (2) according to a set water supply dispatching rule, planed water supply dispatching data are obtained and stored; (3) water quantity balance calculation is conducted on the sub-river-basins which are pathwise communicated one by one; (4) according to the demand-decided supply rule, water supply dispatching rules of the reservoir sub-river-basins and river reservoir sub-river-basins are respectively simulated, and then a reasonable water transferring scheme is obtained.

The invention discloses a self-heating type closed shaping paper brick machine. The paper brick machine comprises three parts, namely a paper feeding part, a grinding part and a packing press part, wherein the paper feeding part comprises a dry paper feeding part and a damp paper feeding part, and the damp paper feeding part is used for drying the damp paper through the heat produced by the self-heating and a chemical drying agent; the paper grinding part comprises a coarse grinding part and a fine grinding part, the coarse grinding is performed through a spiral cutter, and the fine grinding is performed through a grinding wheel, and a small cylinder is arranged on the surface of the grinding wheel to increase the friction force in process of grinding the paper so as to increase the production of the heat, and the damp paper can be dried. The ground paper enters a paper pressing cavity through a channel, and then compressed twice to form bricks, and the bricks are convenient to store and transport after being packed in a packing cavity.

The invention primarily relates to a multifunctional slow release organic fertilizer containing a heavy metal passivator and a preparation method. The fertilizer comprises the main components: thoroughly decomposed compost, a chemical nitrogen fertilizer, a biochemical inhibitor, a soil heavy metal passivating material, plant growth beneficial elements, a water retaining material and a coating liquid for coating the periphery of the organic particles. The proportion of the thoroughly decomposed compost, the chemical nitrogen fertilizer, the biochemical inhibitor, the soil heavy metal passivating material, the plant growth beneficial elements, the water retaining material and the coating liquid is 1: (0.1-0.3):(0.05-0.1):(0.01-0.2):(0.001-0.02):(0.04-0.08):(0.05-0.1). The fertilizer can reduce bio-availability of heavy metals in the heavy metal polluted soil and reduce adsorption of the heavy metals by crops and increase the content of organic matters in soil and improve the soil fertility, can promote crop growth and enhance water and fertilizer-retaining abilities of the soil, and enhance various functions of crops, for example, disease resistance, drought resistance and the like.

The invention relates to the field of water conservancy, specifically to a river basin water resource planning and utilization method. The method includes the steps of measuring a rainfall value of a river basin, and estimating a vegetation transpiration value, a soil evaporation value, a land area evapotranspiration quantity and an evapotranspiration quantity of the river basin, and obtains water storage variables of the basin according to a green water quantity and a blue water quantity in the river basin and by virtue of models and formulas, thereby achieving the purpose of water resource planning and utilization. The method provided by the invention can be accurately and reliable applied to basin water resource planning, ecological environment evaluation, ecological water demand accounting, basin hydrologic cycle process simulation and the like, has a wide range of application, and is a method of planning seeking for sustainably utilizing water resources based on an eco-hydrological idea; and the method achieves a guiding function for water resource management, eco-water environment construction, industry and agriculture industrial planning and flood control and drought relief, thereby enabling an industry and agriculture industrial structure and water resource development and utilization to be more scientific and more reasonable, and promoting sustainable development of regional economy.

The invention discloses a breeding method of under-forest ecological pigs. The breeding method comprises the first step of preparation of forest land, the second step of selection of pig variety, the third step of breeding outside cages in a rotational grazing mode, the fourth step of daily management and the fifth step of disease prevention and cure. The breeding method of the under-forest ecological pigs is ecological and healthy, environmentally friendly and pollution-free, obtained under-forest ecological pork is tender and fresh, good in palatability and high in nutrient value, and has no pollution, and the breeding method greatly improves the disease resistance of the ecological pigs. According to the breeding method, a medicated bath pool is arranged in a rotational grazing area, according to the characteristic that pigs like to take a bath, the pigs are cleaned and sterilized under an original ecology environment, and the occurrence of taenia solium is effectively avoided; through a reasonable composition, a Chinese herbal medicine bath lotion is remarkable in disinfection effect, and the immunity of the ecological pigs is effectively improved through frequent bathing.

The invention discloses a soilless cultivation organic substrate and a preparation method thereof. The preparation method comprises the following steps: respectively mixing the broken blocks of maize cobs, the broken blocks of maize stalks and rice hulls evenly after being stacked and fermented in the volume ratio of 3-4:3-5:2-4 and then adding 10-15kg/m3 of puffed chicken dung according to the total volume after being mixed evenly. The soilless cultivation organic substrate provided by the invention adopts the main raw materials of the maize stalks, the maize cobs and the rice hulls which are discarded in the local agricultural production so as to replace the substrate raw material of grass carbon which is commonly used in seedling raising at present, which not only can save the seedling raising cost greatly but also reduces the overexploitation of the unrenewable resource of the grass carbon and maintains the sustainable development of ecology; on the other hand, by utilizing the agricultural wastes reasonably, the income of local farmers is increased, and the wastage of resources is reduced.

A corn and peanut complex three-dimensional ecological intercropping planting method relates to a planting method for corns and peanuts. The corn and peanut complex three-dimensional ecological intercropping planting method can solve the problems that in the mode of long continuous cropping of corns and peanuts, straw reapplication is difficult, planting is out-off-balance, physic and chemical properties of soil deteriorate, pests and diseases become serious, the investment is increased but the yield is not increased, row spacing configuration is not reasonable during the conventional intercropping between the corns and the peanuts, and the utilization of light and heat resources is low. The method includes the following steps of: 1) good seed selection; 2) land selection and soil preparation; 3) soil testing and formulated fertilization; 4) field arrangement optimization; 5) seeding and reasonable close planting; 6) fine field management; 7) straw reapplication; and 8) crop rotation, fallowing and land maintaining. Many years of tests show that the yield of the corns can be increased by 2.0% to 8.0% more than that of the conventional planting method; compared with the conventional planting method, the yield of the peanuts can be increased by 1800 to 2200 Kg / hectare in average. The corn and peanut complex three-dimensional ecological intercropping planting method can be applied to the field of crop planting.

The invention discloses a system and method for rice field aeration irrigation and drainage simulation control. The system comprises a simulated rice field device, a controller, a reservoir, a water collecting tank, a water level sensor, a humidity sensor, a dissolved oxygen sensor and an air adding pump. The simulated rice field device is an uncovered container containing soil; an air adding pipe is arranged in the soil of the container; the air adding pipe is connected with the air adding pump outside the container; and the air adding pump is controlled by the controller. The reservoir is connected with the simulated rice field device through a water inlet pipe, and the water inlet pipe is provided with a first solenoid valve. The simulated rice field device is connected with the water collecting tank through a drain pipe, and the drain pipe is provided with a second solenoid valve. The water level sensor, the humidity sensor and the dissolved oxygen sensor are connected with the controller. The system further comprises a drainage reutilization mechanism which mainly collects return water of a rice field through a channel and collects the return water to the water collecting tank so as to sustainably utilize irrigation water, and the problem of difficulty in water transfer in a mountainous area during the drought is solved. The system is simple and efficient and has a huge promotion potential.

The invention relates to the Yew genus plant extract and its extraction method and application, wherein the extract is extracted from the stems and leaves of Northeastern yew and comprises taxone diterpenoid, total lignans, total flavone. The extract can be used as the effective composition for anti-cancer drugs.

The invention discloses a multi-objective optimization scheduling method suitable for coastal region water resources. The method comprises the steps of generalizing a water resource system according to the characteristics of a coastal region; determining an objective function and constraint conditions, and establishing a multi-water-source multi-objective multi-user coastal region water resource optimization scheduling model; using a multi-objective particle swarm optimization algorithm to solve a multi-objective optimization problem based on Pareto dominance, and constructing a non-inferior solution set of a coastal region water resource optimization scheduling model by judging a dominance relation; and acquiring an optimal scheme by taking the minimum Euler distance from the ideal solution as the criterion. According to the method, the current situation of engineering type and water quality type mixed water shortage in the coastal region is taken as the background; The invention provides an optimal scheduling method for combined water supply of a plain reservoir, a plain river network and a long-distance water transfer project, which conforms to the characteristics of the coastalregion, realizes a water resource scheduling pattern of quality-based water supply and excellent water utilization, and has practical significance for improving the situation of water resource shortage of the coastal region.