31 results about "Ecological efficiency" patented technology

The invention provides the application of trichoderma reesei and sedum plumbizincicola in the remediation of cadmium-polluted farmland soil. The application comprises the following steps of: cutting sedum plumbizincicola seedlings with about 10cm of plant height into soil to be remedied, applying trichoderma reesei FS10-C fermentation liquor or microbial preparation to the rhizosphere of the plant, keeping the soil water content to be 70%wt of the maximum field capacity in the process of remediation, and scissoring the plant along the surface of soil after the plant grows for 60-150 days to complete one remediation process. According to the application, the plant remediation efficiency of the cadmium-polluted farmland soil can be improved; and the sedum plumbizincicola plant remediation efficiency can be improved according to the trichoderma preparation, the biomass of the soil microorganism can be enhanced, the micro-ecological environment of the soil can be improved, and the application is good in ecological efficiency, and suitable for the remediation of the cadmium-polluted farmland soil.

The invention provides a city agglomeration economy environment efficiency assessment method comprising the following steps: using a DEA model to measure the city agglomeration economy environment efficiency; using a DEA-SBM model considering unexpected output to parse the city agglomeration economy environment efficiency differences by taking environment pollutant as unexpected output restrictions; further using a TOPSIS model supported by entropy technology to parse the superposition relationship between resource investment, economic benefit, alleviation influence and ecology efficiency; finally using degree of relaxation analysis to obtain the city agglomeration economy environment efficiency difference reasons, and proposing corresponding countermeasures. An existing method mostly uses inter-provincial (zone) as a research object, yet the region development endoplasmic inhomogeneities problems cannot be clearly displayed by using the scaled data as indexes; the city agglomeration economy environment efficiency assessment method can solve said problems, and is suitable for city agglomeration economy environment efficiency assessment.

The invention provides a landscape ecological efficiency evaluation method for urban greenbelt planning. The method comprises the steps of collecting and preprocessing basic data; calculating a landscape pattern optimization index of urban greenbelt planning; calculating an ecological process optimization index of urban greenbelt planning; calculating a landscape ecological efficiency comprehensive optimization index of urban green space planning; and quantitatively evaluating the comprehensive optimization effect of the urban greenbelt planning landscape ecological efficiency. The quantitative evaluation method is provided for demonstration and selection of the urban greenbelt planning scheme, and scientificity and effectiveness of the urban greenbelt planning scheme are improved.

A functional pond for culturing mass freshwater fishes is characterized in that a rectangle culture pond body (1) is divided into a first part (101) and a second part (102) by a water diversion wall (2), the water diversion wall (2) is of a T shape, a T-shaped transverse separating wall body (201) of the water diversion wall (2) separates the first part (101) from the second part (102, an interval is formed between the tail end of a T-shaped longitudinal wall body (202) and the pond wall of the rectangle culture pond body (1), and the second part (2) comprises a front pond portion (102a ) and a rear pond portion (102b) which are communicated with each other. According to the functional pond for culturing the mass freshwater fishes, traditional stereoscopic culture is divided according to ecological niches, so that the fishes in different ecological niches can take full advantages of different ecological niche resources, fish growth is facilitated, and the ecological efficiency and culturing benefits of pond culturing are improved; a fish feeding culture area is divided into a growth area, a feeding area, a fecal treatment recycling area and the like, the formation of flow, collection of dirt, the recycling of pollutants, regulation and control over a water body and the like are facilitated, and meanwhile, installation condition is provided for the achievement of automatic mechanized fishing and industrialized management.

The invention relates to the field of vegetable plantation, in particular to a method for planting brassica oleracea L.var .botrytis L..The method for planting brassica oleracea L.var .botrytis L.comprises the following steps of 1, variety selection; 2, seedling culture; 3, soil preparation and soil moisture regulation; 4, fertilizer application; 5, transplanting and field planting; 6, field management; 7, disease and insect pet prevention; 8, leaf binding and flower protection; 9, harvesting conducted in good time.The method is simple and convenient to operate, brassica oleracea L.var .botrytis L.can grow vigorously, resist to diseases and be high in quality and yield, cost can be saved, and synergism, ecological efficiency and environmental protection can be achieved.

The invention relates to a method for evaluation of strain quality of a trichoderma biocontrol agent. The method comprises the following steps of evaluation of growth characteristics of the trichoderma biocontrol agent, evaluation of antagonism of the trichoderma biocontrol agent, evaluation of a solid-fermentation spore-production amount of the trichoderma biocontrol agent, evaluation of preparation storability and a spore survival rate of the trichoderma biocontrol agent, evaluation of a colonization survival amount and biocontrol effects of the trichoderma biocontrol agent under pot experiment conditions, and evaluation of a colonization survival amount, biocontrol effects and ecological efficiency of the trichoderma biocontrol agent under field application conditions. The method is conducive to screening of novel trichoderma strains having good biocontrol effects and environmentally-friendly characteristics, can increase a strain screening rate, and provides an effective approach for fast search of novel trichoderma strains having economic values.

Provided is a shrimp-vegetable-fish three-dimensional ecological culture method. The method comprises: firstly, using quick lime to clean a pond and disinfect; exposing a culture pond in the sun for one week, after water injection, putting shrimp fries in the pond, 20-30 days after putting the shrimp fries, putting grass carp, silver carp, spotted silver carp, carp, and giant freshwater prawns inthe pond; feeding South America white shrimp fodder, through observation, determining feeding amount of the fodder, not feeding fodder of other culture varieties; through a floating bed, planting water spinach on a water surface, since prawns are cultured in the pond, pond water is eutrophic, using root systems of the water spinach to absorb eutrophic substances in the pond water, applying fertilizer for the pond being not needed. Three-dimensional ecological efficiency among planted and cultured creatures is used, ecological three-dimensional effect among animals, plants, and microorganisms is used, and heterosis (antagonism) effect is used. A water surface space is fully used, nutrient substances in the water are reasonably used, incomplete decomposition of organic materials in the pondis reduced, occurrence of diseases is reduced, and comprehensive benefits of pond culture is improved. The method has little investment, and is simple in maintenance, and low in manufacturing and operation cost.

The invention provides an efficient method for repairing uranium contaminated soil by plant extraction. The method comprises the following steps: (1) preparing uranium contaminated soil, and applyingbase fertilizer; (2) sowing ramie seeds which are XiangZhu No.7; (3) applying growing fertilizer after the seeds sprouts and grows out new leaves; and (4) cutting the grown ramies. The method can be used for efficiently repairing uranium contaminated soil, and is an economical and convenient uranium contaminated soil repairing method with high efficiency and good ecological efficiency since the ramie does not enter the food chain, has quick growth, large biomass, developed culture technology, complete plant protection measure, strong resistance and small rhizome size, is convenient for cuttingand concentrated treatment, and does not have the problem of biological invasion.

The invention provides a simple, practical and widely-applied combinatory analysis method of the system structure, ecological efficiency (including resource efficiency and environmental efficiency), ecological assessment, structural optimization and systemic functions of an industrial system in response to the severe environmental problems and different key environmental elements in different regions. In the method, the key elements for ecological assessment are firstly identified, secondly the ecological efficiency content is defined and ecological efficiency of components of the industrial system is analyzed; thirdly ecological assessment of the components of the industrial system is carried out; fourthly, the structure of the industrial system is adjusted according to the principle that the portion of sub-industries with higher ecological efficiency is increased and the portion of the sub-industries with lower ecological efficiency is simultaneously decreased; and finally, the whole function of the industrial system is improved, resources are saved and emission of the environmental pollutants is reduced on the basis of optimizing the structure of the industrial system. The method of the invention can be directly applied to optimizing the structures of the industrial systems of different area types including the globe, countries and cities and has the advantages of strong pertinency, simpleness and practicality and wide application range.

The disclosure provides an outdoor device for simulating a pond ecosystem comprising a plurality of simulated ponds connected together by pipelines and including an adjusting pool, a plurality of control groups and a plurality of treatment groups with different concentrations; the plurality of control groups and the treatment groups are randomly distributed in the ponds according to a random draw method or a random allocation method, and the adjusting pool is a transfer station for water inlets and outlets of the ponds. According to the device, the plurality of control groups and treatment groups are arranged in a system, achieving a scale of a middle-scale pond ecological simulation system, which can stimulate an actual complex hydrostatic ecological system including a plurality of aquatic macrophytes, algae, zooplankton, benthos and microorganisms, and evaluate the effects of the complex ecological efficiency caused by chemical pollutants entering an actual water body.

The invention relates to an Achromobacter sanius strain JD417 and application thereof, the strain is preserved in the China Center for Type Culture Collection on July 2, 2021, and the preservation number is CCTCC NO: M 2021813. The invention also relates to an application of the Achromobacter sanius strain JD417. The strain JD417 can tolerate sulfonamide compounds (antibiotics) with high concentration (50mg/L), and not only can degrade the sulfonamide compounds, but also can degrade nitrogen substances. The strain can maintain survival by taking nitrate nitrogen as a sole nitrogen source and sulfamethazine as a sole carbon source, effectively reduces total nitrogen, nitrate nitrogen and sulfonamide compounds in a water body, and has good ecological efficiency and application prospects in the aspect of treatment of environmental pollution such as sewage and the like.

The invention relates to an energy conversion type quantitative method for industrial eco-efficiency. The method includes converting material consumption of an industrial system and waste emission ofthe industrial system into comparable, additive and subtractive emergy units, and expressing the reciprocal of the sum of material consumption intensity and waste emission intensity as industrial eco-efficiency. Taking the material consumption per unit of industrial added value as the material consumption intensity and the waste discharge per unit of industrial added value as the waste discharge intensity, the development quality and ecological efficiency of the industrial system are comprehensively expressed through the minimization of the unit environmental impact and material consumption and the maximization of economic output of the industrial system. The invention decomposes the industrial eco-efficiency into a material consumption intensity module and a waste discharge intensity module, and characterizes the size of the industrial eco-efficiency according to the reciprocal of the sum of the material consumption amount and the waste discharge amount of the unit industrial added value and improves the comparability, comprehensiveness and scientificity of the industrial eco-efficiency through the conversion of the emergy value.

The invention belongs to the technical field of slope protection and provides a slope mixing forming ecological protection method for solving the series problems that the damage recovery rate is high, and the protection efficiency is gradually reduced in the prior art. The slope mixing forming ecological protection method includes the steps that A, a temporary protection measure is set, wherein the temporary protection measure is established through a simple engineering structure in the engineering building stage and the initial operation stage; and B, a permanent protection measure is set, wherein after the temporary protection measure is established, an ecological vegetation planting forest is adopted for establishing the permanent protection measure to make the engineering operation stage achieve expected safety protection. The temporary protection measure includes a simple engineering structure, and the temporary protection measure is used for achieving a protection function before the permanent protection measure does not achieve the protection capability; and the permanent protection measure includes the ecological vegetation planting forest. The slope mixing forming ecological protection method is easy to maintain, the engineering quality and the ecological efficiency are balanced, meanwhile, better environment benefits are achieved, and the maintenance cost and the input cost are reduced to the maximum degree.

The invention discloses a grape pomace functional compound fertilizer which is mainly prepared from the following raw materials in parts by weight: 50.1-77.8 parts of an inorganic salt fertilizer, 22-32 parts of wine grains, 1.5-3.9 parts of an antibiotic fertilizer, 1.5-3.2 parts of polyvinyl alcohol, 1-2.5 parts of polyacrylamide, 0.25-0.6 part of citric acid and 0.02-0.14 part of compound sodium nitrophenolate. The grape pomace functional compound fertilizer disclosed by the invention is balanced in nutrition, can supply enough nutrients to corn fields and can improve quality and yield of corns, and the produced corn grains are big and full and have good in taste and the yield is high. The grape pomace functional compound fertilizer can enhance cold-resisting, drought-resisting and disease resisting capabilities of corns, has a good ecological efficiency, solves the problem that the corn field is rough in soil texture and poor in water retaining capacity, and can supply nutrients to corns, coordinate nutrient balance of soil and improve the quality and yield of corns. A preparation method of the grape pomace functional compound fertilizer disclosed by the invention uses easily available raw materials, is simple to operate and easy to implement, and the prepared special fertilizer is stable and reliable in quality and facilitates full absorption of nutrient elements by corns and increase of the yield of corns to a great extent, and the rate of growth reaches up to 22.73-32.52%.

The invention relates to a microbial method capable of efficiently decolorizing gentian violet in dye wastewater, and belongs to the technical field of microbial engineering. The method comprises the following steps: carrying out subculture on a comamonas testosteroni CT1 activated strain by using an LB high-salt liquid culture medium, adjusting the OD600 of the strain to be 1.0, taking a strain culture solution, inoculating the strain culture solution into a gentian violet dye aqueous solution according to the inoculum size of 1: 100, and carrying out shake-flask culture at 37 DEG C for 72 hours, so that the degradation rate of gentian violet is 74%. The method has the beneficial effects that a natural strain, namely comamonas testosteroni CT1 with gentian violet decoloring capability is selected through screening by simulating a wastewater high-salt environment, gentian violet in triphenylmethane dyes can be quickly decolored, the decoloring capability of the strain and the decoloring efficiency of gentian violet are improved by changing the optimal decoloring condition of the strain, the environmental pollution caused by the dye and the risk brought to the human health are effectively reduced, the environmental pollution caused by the dye molecules directly entering the water body can be effectively avoided, the secondary pollution is avoided, and the ecological efficiency and the application prospect are good.

The invention relates to an urban development mode adjusting method based on environmental performance indices, belongs to the technical field of urban planning, and solves the problem that an existing urban planning method is not scientific and reasonable enough. The method comprises the steps of converting urban resource energy consumption is converted into resource efficiency, quantifying the urban ecological bearing capacity into ecological efficiency, and converting the urban pollution discharge amount into environmental efficiency; constructing a quantification matrix according to the quantized resource efficiency, ecological efficiency and environmental efficiency; performing standardization on the quantification matrix, with an environmental performance evaluation index corresponding to urban resource efficiency, ecological efficiency and calculating environmental efficiency; establishing a spactial rectangular coordinate system by taking the environmental performance evaluation indices corresponding to the urban resource efficiency, the ecological efficiency and the environmental efficiency as coordinate axes, and dividing a rectangular coordinate space; determining the development mode of the city according to the calculated city resource efficiency, ecological efficiency and the environmental performance evaluation index corresponding to the environmental efficiency;and adjusting an urban development plan according to the urban development mode.

The invention discloses an ecological board made of blockboard. The ecological board includes a melamine facing layer and a substrate layer. The substrate layer is made of blockboard. The blockboard consists of two The half-finger-jointed board is composed of a half-finger-jointed board, and the half-finger-jointed board adopts a rotary-cut wood core as the main structure. Part of the rotary-cut wood core of the half-finger-jointed board is connected by finger joints, and the other part is connected by splicing. The rotary-cut wood core is cut into strips from waste wood, then dried, planed on all sides and sawed to form the final shape. Parts and splicing parts are arranged staggeredly. The ecological board of the present invention adopts blockboard with half finger-jointed board as the main structure as the base material. Its quality and appearance are better than the existing ecological boards, and the production efficiency of the ecological boards is improved. Reduced production costs.

The invention relates to a wind energy recycling system for a livestock and poultry house. The wind energy recycling system is used for being matched with the livestock and poultry house in use, and one or more ventilation fans are arranged on the gable wall at the rear end of the livestock and poultry house. The wind energy recycling system for the livestock and poultry house comprises an airflowguide device and one or more vertical axis wind-driven generator, wherein the airflow guide device comprises a big-bore end, a small-bore end and a hollow internal channel, the cross-sectional area of the internal channel at the big-bore end is larger than that of the internal channel at the small-bore end, and one or more ventilation fans are surrounded with the projection of the big-bore end onthe gable wall at the rear end of the livestock and poultry house; a wind rotor of each vertical axis wind-driven generator is arranged in the internal channel of the airflow guide device or arrangedbeyond the small-bore end of the airflow guide device along the extension line of the vertical axis of the internal channel of the airflow guide device. According to the wind energy recycling system,the ventilation system of a whole-environment-controlled livestock and poultry house is combined with the distributive wind power generation technology, electric energy consumed in the ventilation process can be significantly recycled, and the wind energy recycling system has good economic efficiency, ecological efficiency and social efficiency.