1168results about How to "Maintain ecological balance" patented technology

The invention relates to a kieselguhr-based porous ceramics, a preparation method thereof and a method for loading Ag doped with nano TiO2 on the same, belonging to the technical field of a kieselguhr inorganic material. The kieselguhr-based porous ceramics is made from kieselguhr, a sintering auxiliary agent, a dispersing agent, a binder and water in the weight ratio of 60-92:8-40:0.01-2:0:001-1:100-450. The kieselguhr-based porous ceramics has functions of absorption and filtration, and can absorb granules in fluid when the fluid passes through the lieselguhr-based porous ceramics. Ag doped with nano TiO2 is loaded on the kieselguhr-based porous ceramics to generate kieselguhr-based porous ceramics loading the Ag doped with TiO2. The laden anatase-type nano TiO2 has large specific surface area. The effects of filtration, photochemical catalysis and sterilization of the kieselguhr-based porous ceramics loading the Ag doped with nano TiO2 are greatly increased.

The invention discloses permeable concrete and a pavement construction method. The permeable concrete comprises the following components: 1350 to 1800 parts of broken stones, 90 to 150 parts of water, 300 to 350 parts of cement, 10 to 70 parts of mineral powder, 10 to 70 parts of silicon ash and 0.3 to 7 parts of water reducing agent; if necessary, organic intensifying agent can be added. The construction method comprises the following steps: permeable concrete is mixed, poured and cured, an expansion joint is cut, and the filling and the other processes are performed. Concrete pavement prepared by the method has higher strength and water permeability, and the compression strength can reach or exceed 30 MPa; the flexural strength is above 4 MPa; the coefficient of water permeability is more than or equal to 1 mm/s; the requirements for the permeable concrete pavement can be fully satisfied. The permeable concrete is suitable for the construction of permeable concrete pavement, squares and parking lots; by adopting the method, the consumption of cement is small, the construction is simple, and the method is favorable for being popularized.

The invention discloses a remote sensing estimation method for grassland vegetation coverage, which belongs to the field of remote sensing applications. The method includes the steps of field test data collection and processing, Modis satellite data download and processing, data analysis and modeling, and precision inspection. The present invention establishes the ground spectral model for predicting vegetation coverage and corrects the Modis spectral model through ground hyperspectral tests, which is different from the methods of directly using satellite remote sensing data or using simple visual estimation and instrumental measurement and calculation in other similar researches, which helps to improve the prediction Accuracy is conducive to the scientific management and rational utilization of grassland resources, and has important practical significance for correctly evaluating the real production status of grasslands and sustainable use of grassland resources.

The invention belongs to the technical field of livestock breeding and specifically relates to an ecological method of breeding chicken by planting grass under trees. The method includes that a fine forage grass breed which is shade-tolerant, trampling-resistant, strong in stress resistance and applicable to being planted in the forest is selected, and a forest land for grazing the chicken is modified to form a grassland under the trees for grazing the chicken; a contour grass and shrub zone in a stocking land is used for planting the grass, a chicken house is built in the middle of the grassland under the trees for grazing the chicken, zone division is performed for rotation grazing, and zones are separated by biological fences; and Chinese herbal plants are sowed in rotation grazing zones so that the grazed chicken can freely ingest the plants. A scientific evidence is provided for obvious economic benefits and ecological benefits which are achieved by means of rapid development of domestic fowls and effective ecological rehabilitation, wherein the domestic fowls of Hetian chicken and the like are applicable to stocking in forestland. By means of the model for breeding the chicken, high economic benefits are created, parts of the economic benefits are used for investing development of ecological chicken breeding model, and the created economic benefits and the development of ecological chicken breeding model are combined for creating better benefits, and accordingly, a virtuous cycle is achieved, ecological balance is kept, and the sustainable development is effectively achieved.

The invention discloses a method for producing real leather intimating polyurethane synthetic leather, which comprises the following steps: firstly, preparing a wet synthetic leather semi-finished product; secondly, coating a polyurethane finishing agent on the surface of the wet synthetic leather semi-finished product to perform printing surface treatment; thirdly, sticking a release paper pattern transferred polyurethane film to the surface of the printed wet synthetic leather semi-finished product, wherein raw materials in polyurethane slurry comprise polyester-polyether-polycarbon copolymerized polyurethane resin, cracking resin, dimethyl formamide, down powder, wet wax sensitive toner and solvent pigment; and finally, performing kneading treatment. The polyurethane synthetic leather has frosting effect on the surface, smooth handfeel, color change when pushing the surface by hand and strong third dimension of patterns, has good physical properties such as scratch resistance, cold resistance, hydrolysis resistance and the like, and can replace real leather in many aspects so as to reduce the requirement for furs, protect the nature and keep ecological balance.

The invention discloses a biological pesticidal organic fertilizer and a preparation method thereof. The biological pesticidal organic fertilizer is prepared from the following raw materials in parts by weight: 40-50 parts of pig manure, 20-30 parts of tea seed pulp, 10-15 parts of coffee grounds, 8-12 parts of paulownia sawdust, 5-10 parts of phosphogypsum, 4-8 parts of corn cob, 5-10 parts of pepper seed cake, 10-15 parts of mushroom dreg, 8-12 parts of wheat bran, 15-20 parts of bentonite, 10-15 parts of opoka, 2-3 parts of ferrous sulfate, 1-2 parts of manganese sulfate, 3-5 parts of humic acid, 1-2 parts of chinese tallow tree root and bark, 2-3 parts of sophora alopecuroides, 1-2 parts of stemona, 1-3 parts of Artemisia annua, 1.5-2.5 parts of ailanthus leaf, 2-3 parts of derris and 1-2 parts of Radix Euphorbiae Ebractealatae. The organic fertilizer disclosed by the invention has multiple effects of providing nutrients, improving the soil structure, preventing and treating pests and diseases and the like, can promote the crops to quickly grow, enhances the stress tolerance of the crops, can have favorable preventing and treating effects on nematodes and soil insects, reduces or avoids use of chemical pesticides, enhances the soil fertility, regulates the ecological equilibrium of soil, improves the quality of agricultural products, has no chemical residues, and implements yield increase and income increase of agricultural products.

The invention discloses a grassland dry matter mass remote sensing estimating method, which belongs to the field of remote sensing application. The method comprises the following steps of: collecting and processing field test data; downloading and processing Modis (Moderate Resolution Imaging Spectroradiometer) satellite data; analyzing and modeling the data and detecting the accuracy and the like. The method for establishing a ground spectrum model for predicating ground dry matter mass and correcting a Modis spectrum model through ground hyperspectral experiments is different from the method for directly predicating biomass liveweight by using NDVI (Normalized Difference Vegetation Index) data of the Modis remote sensing satellite in other like researches so that the grassland dry matter mass remote sensing estimating method is helpful for improving the predicating accuracy, is beneficial for scientific management and reasonable utilization of the grassland resources and has important practical significance in correct evaluation of the real productivity of the grassland and the sustainable use of the grass resources.

The invention relates to an ecological restoration and purification method for water of lake and pool wet land. The method is characterized by comprising the following treatment steps sequentially: a first stage, a second stage and a third stage, wherein the first stage comprises the steps of pumping the water of the lake and pool wet land to dryness sectionally, performing activity, disinfection and dehydration treatment on sludge of the lake and pool wet land, prefabricating and mounting a submerged aeration facility, planting a submerged vegetation community, and filling in the water of the original lake and pool wet land; the second stage comprises the step of putting water purification bugs into the water for treating suspended matters in the water and purifying the water, such as algae and detritus; and the third stage comprises the steps of planting floating-leaved plants in the water, and configuring aquatic animals capable of eating partial aquatic plants for restoring a food chain of a water ecosystem. The method can ensure that the restored or purified water can reach a Category III or above primary indicator of Environmental Quality Standards for Surface Water (GB 3838-2002); the water purification effect is enduring; and both a symptom and a root cause are treated.

The invention discloses a method for planting similarly-wild dendrobium. The method for planting the similarly-wild dendrobium comprises the seedling screening step, the host selection step, the planting geographical climate condition selection step, the planting environment selection step, the planting environment optimization step, the colonization cultivation step and the planting management step. The ecological environment for planting of the dendrobium is accurately selected and optimized, three-dimensional large-scale planting of the dendrobium in a tea garden is achieved, chemical fertilizer or pesticides are not applied, independent occupation of land resources is not caused by planting, quality of dendrobium products can be greatly improved, and the planting technology is easy to learn, small in investment, low in cost and applicable to wide popularization and application.

The invention relates to a water purifying agent for pond culture. The water purifying agent is powdery mixture which is prepared by uniformly mixing the following components in part by weight: 100 to 200 parts of bacillus subtilis, 100 to 200 parts of nitrobacteria, 150 to 200 parts of photosynthetic bacteria and 400 to 650 parts of zeolite powder, wherein the water purifying agent preferably comprises 100 parts of bacillus subtilis, 100 parts of nitrobacteria, 150 parts of photosynthetic bacteria and 650 parts of zeolite powder; the bacillus subtilis is light yellow powder and the total count of viable bacteria is more than or equal to 200 hundred million per one gram; the nitrobacteria is light grey powder and the total count of the viable bacteria is more than or equal to 80 hundred million per one gram; the photosynthetic bacteria is grey white powder and the total count of the viable bacteria is more than or equal to 30 to 50 hundred million per one gram; and the zeolite powder is clinoptilolite with particle size of 180 meshes. The water purifying agent has the advantages of improving water quality, conducting the function of oxidation, ammoniation, denitrification, dephosphorization, sulfurization, nitrogen fixation and the like, constructing and maintaining good ecological water environment, preventing and treating diseases, enhancing the anti-disease capacity of animals bred in the pond and improving the survival rate. The water purifying agent has a reasonable formula, is simple to prepare and has obvious application effect.

The present invention relates to one kind of micro ecological feed additive capable of promoting pig's growth and its preparation process. Technologically, the present invention features that Bacillus subtilis, Bacillus licheniformis, saccharomycete, lactobacillus and Bacillus lacticus as well as carrier in certain proportion as materials are mixed homogeneously to obtain the micro ecological feed additive capable of promoting pig's growth. The present invention has the functions of inhibiting the growth of pathogenic bacteria, stimulating the immune reaction of pig, strengthening the stress resisting capacity of pig, providing pig with nutrients, etc. and obvious effect of promoting the growth of pig. The spawn producing process has advanced liquid fermentation and spray drying technology adopted and results in high purity and activity of the prepared live microbial preparation.

The invention relates to bait added with vegetable fiber and a preparation method thereof. The bait added with vegetable fiber comprises the raw materials of traditional bait and vegetable fiber. The traditional bait consists of raw materials and additives, wherein the raw materials comprise seeds, bran, dregs and animal proteins; and the additives comprise oxidants, mildew preventives, adhesives, coloring agents, flavoring agents and food attractants. The plant fiber is a mixture containing one or two of wood fiber and grass fiber. The wood fiber and the grass fiber can be uniformly distributed in the fishing bait, can achieve the effects of connection, cracking resistance, strength enhancing and bait atomizing improvement, and does not cause environmental pollution; and the bait is ideal for fishermen.

The invention provides a preparation method for biology organic inorganic multivariant environmental protection compound fertilizers, which comprises 45 to 55 percent of compost, 25 to 32 percent of rotten fertilizers and 20 to 23 percent of fertilizer in weight percent, which are mixed and stired evenly. At the time of making kernel compos, the rotten fertilizers and fertilizer in total weight of from 5 percent to 15 percent scale are put into zeolite powder to dried and sifted for preparation. The invention has good effects of activity effect action of microbial, long residual action of organic fertilizer, quick results action of inorganic fertilize and good effect action of microelement fertilizer. Because the invention contains the demanded element of crops with overall balance nutrition, therefore, the crops normal growth is advanced and soil fertility is raised. The crops production is increased by 15 to 50 percent. The production of vegetables, melon and fruit and potato kind is increased by 50 to 80 percent. The invention can protect against drought, prevent waterlogging, cold and frostbite and cure pest. The invention has manorial effect and strong aftereffect which belongs to disposable fertilize, thereby, saving fertilizer, saving labor, saving cost, saving energy, lowering energy, protecting the Eubiosis effectively environment.

The invention relates to a power unit applying new energy of lithium ion batteries to a transplanter and belongs to the technical field of agricultural machinery. A transplanter is formed by connecting a lithium ion battery power system and a seed planting device. The lithium ion battery power system charges a lithium ion battery with a power supply for storing electric energy. When a power switch of the lithium ion battery is turned on, the lithium ion battery begins to supply power which is then converted to mechanical energy to be transmitted to the seed planting device through a transmission belt. Through the motion of parts of the seed planting device, the seed planting device walks in a paddy field to convey seedlings, grasps seedlings and plants seedlings. The transplanter has an LED for illumination behind a seedling box plate to find missed seedling planting and clear fault timely, so the quality of mechanical seedling planting is improved and the operation time for mechanical seedling planting in field is prolonged.

A method for restoring aquatic vegetation in eutrophicated shellow lake features that the hygrophyte, emergent aquatic plant and flootingleaf and floating plants are used to create a biologic fence for improving the local environment of outrophicated water, and the pilot nursing spermatophyte, following equatic and target plants are gradually introduced into the said fence to form a stable cycle of different aquatic plants in the year round.