93results about How to "Reduce ecological damage" patented technology

The invention discloses geopolymer foam concrete and a preparation method thereof. By means of the method, a large number of industrial waste and crop straw can be used, the strength of foam concrete is improved and cracking of the foam concrete is prevented. The method includes the steps that 25%-45% of steel slag powder, 0%-12.5% of modified red mud, 25%-45% of modified metakaolin, 0%-25% of fly ash, 0.5%-5% of coagulant and 1%-6% of exciting agent are mixed and stirred evenly to obtain material slurry; at the same time, a foaming agent is diluted with water according to the ratio of 1:15, and a vacuum foaming machine or a high-speed stirrer is used for preparing dense and stable foam; according to the density design requirement, obtained foam is mixed with the uniformly stirred material slurry according to the volume ratio, stirring and foam mixing are conducted, and geopolymer foam concrete is obtained, wherein the volume ratio of the foam to the material slurry is (1-4):1, and stirring is conducted for 2.5-3.5 min until the foam is evenly dispersed in the material slurry.

The invention relates to the comprehensive utilization of gangue, in particular to a new technique using the gangue for extracting alumina. The purpose of the invention is to provide a new technique using the gangue for extracting Al2O3 and enhancing the extraction rate of Al2O3. Raw gangue is smashed and milled to certain granularity and then sintered for certain time at high temperature. At certain temperature, hydrochloric acid with certain concentration is added into the gangue to prepare a mixture with certain ratio of solid to liquid (the mass ratio between the gangue and the hydrochloric acid) (g/g), then the mixture is stirred by an electric mixer for reacting for a period of time; after cooled to certain temperature, the mixture is treated with solid and liquid separation by using a centrifuge; the separated solid is heated and dried in an oven, and pure Al2O3 is obtained after being dried. The experiment indicates that the alumina can be extracted from the gangue through the activation processing of the gangue by using hydrochloric acid in the condition of high temperature sintering, and the extraction rate can reach 83.1 percent, thereby a plurality of aluminum mine resource can be saved and environment pollution and destruction to vegetation and ecology caused by mining can be reduced.

The invention relates to a revetment structure composed of plastic steel plate piles and concrete. The revetment structure comprises plastic steel plate piles and a concrete coping, wherein the plastic steel plate piles are connected through a connector having two mutually matched ends; the concrete coping is preformed and can be stably buckled with the upper ends of the plate piles. The revetment structure can be used for revetments of rivers or lakes, is safe and stable, high in construction speed, low in construction cost, environment-friendly and pollution-free, less in influence on the surrounding environment, and long in durability, can be further used for resisting the seepage of embankments and dike bodies of rivers and protecting dams.

The invention provides a channel engineering ecological environment influence multi-level comprehensive index system architecture. The method belongs to the technical field of ecological environment influence evaluation, wherein the four levels have a step-by-step inclusion relationship; the system comprises four influence process index subsystems, a 15-class influence type index module, 39 sets of impact factor indicators and a plurality of single-factor classification sub-item indexes are provided; an ecological environment influence path based on mechanism analysis and key indexes in mitigation countermeasure evaluation are systematically integrated; the transverse main framework covers the navigation channel project and affects the operation activities of the related areas; living environment change, species activity, ecological influence whole-process action mechanism, influence type depiction is carried out through a longitudinal main framework. Influence factor and single factorclassification item index fine description and analysis are carried out through transverse and longitudinal branch structures, and systematic display of channel engineering ecology influence evaluation results and identification, design, monitoring, investigation, analysis and evaluation of ecological channel construction key indexes are facilitated.

The invention discloses a method for increasing polysaccharide content of morel submerged fermentation mycelium through astragalus extract solution. The method is characterized in that the astragalus extract solution is added to morel submerged fermentation culture solution to promote the growth of morel mycelium so as to increase the morel polysaccharide content. According to the method, active ingredients (alkaloid, saponin, flavones and the like) of astragalus can promote or inhibit the growth of medical fungal mycelium and the growth of metabolite.

The present invention relates to a layered cultivation substrate for a mushroom residue organic fertilizer. The layered cultivation substrate for the mushroom residue organic fertilizer is composed ofa peat composite substrate layer, a first mushroom residue composite substrate layer and a second mushroom residue composite substrate layer from top to bottom. The peat composite substrate layer isprepared by mixing 8-10 parts of peat, 2-4 parts of vermiculite and 2-4 parts of perlite and has a thickness of 4-6 cm; the first mushroom residue composite substrate layer is prepared by mixing 20-40parts of a dopant and 60-80 parts of mushroom residue organic fertilizers and has a thickness is 4-6 cm; the second mushroom residue composite substrate layer is prepared by mixing 10-20 parts of a dopant and 80-90 parts of mushroom residue organic fertilizers and has a thickness of 8-12 cm, and the above parts are all by volume. The layered cultivation substrate for the mushroom residue organicfertilizer is divided into three layers, EC values gradually increase from top to bottom, the layered cultivation substrate for the mushroom residue organic fertilizer is very suitable for growth characteristics of cherry tomatoes and other crops, and chemical fertilizers are greatly reduced or even not used. The technology has far-reaching significance in saving resources, improving the environment, using waste, reducing cost of soilless cultivation of crops, increasing income of edible fungi and vegetable growers, and shortening growth cycles of the crops.

The invention discloses a water permeable asphalt road surface and a construction method thereof. The water permeable asphalt road surface comprises an asphalt road surface body, and the asphalt road surface body comprises an earth base, a cushion layer, a base layer and a face layer which are sequentially laid on the ground surface from bottom to top, a water insulation layer is arranged on the cushion layer, so that the water entering the interior of the asphalt road surface body is drained horizontally along the water insulation layer; a drainage ditch for collecting water is formed in one side of the earth base; a plurality of watering pipes which are connected with surrounding green belts are arranged in the drainage ditch; and water guiding pipes are arranged in the drainage ditch, and the water guiding pipes are connected to the gutter inlet. According to the water permeable asphalt road surface and the construction method thereof, water accumulating on the road surface is dispersed quickly, and the crack resistant ability of the road surface is improved by fully utilizing original discarded road surface materials, and the service life of road is prolonged.

A river dam ecological revetment structure comprises a back revetment, a first revetment and a second revetment, wherein a dam top road is arranged at the revetment top; an exercise footpath is arranged between the first revetment and the second revetment and located above the normal water level; a masonry-mortar-stone foot groove is formed in the bottom of the second revetment, a rock riprap banket is further arranged on the side, near the river, of the masonry-mortar-stone foot groove, and aquatic plants are planted in the river. The river dam ecological revetment structure provided by the invention reflects the water conservancy concept of ecology and nature, and avoids canalization of the river and excessive river training. Hardening treatment (the masonry-mortar-stone revetment) is adopted under the normal water level, and ecological treatment is carried out in a flood submerged area according to the concept of preventing flushing but not preventing submerging.

The invention discloses a bactericidal composition containing fluopyram and fluazinam. The bactericidal composition comprises the following active components: fluopyram and fluazinam, wherein the mass ratio of fluopyram to fluazinam is (1: 20)-(20: 1); the mass percent content of the active components in the composition is 5-60%. The bactericidal composition provided by the invention is high in bactericidal activity, delays the occurrence and development of drug resistance of pathogens, decreases the dosage for control in actual production, and is economic, efficient, safe, environment-friendly and particularly remarkable in the control effect on gray mold caused by botrytis cinerea.

The invention discloses a bionic stirring machine for injection grout, a hybrid power bionic stirring system and a slurrying method of the hybrid power bionic stirring system. The bionic stirring machine for injection grout comprises a stirring tank with a feed inlet and a slurry discharge pipe. The bottom face of the stirring tank is an inclined face which is inclined towards the slurry discharge pipe. The upper end of the stirring tank is fixedly provided with a power portion through a supporting frame. The power output end of the power portion is connected with a stirring shaft in the stirring tank. A stirring paddle is vertically or obliquely arranged on the stirring shaft. When the stirring paddle is obliquely arranged on the stirring shaft, the inclination direction of the stirring paddle is opposite to the rotation direction of the stirring shaft. The inner surface of the stirring tank, the inner surface of the feed inlet, the inner surface of the slurry discharge pipe and the stirring paddle are each provided with a plurality of bionic non-smooth units. The superficial area of faces, making contact with the bionic non-smooth units, of the stirring tank, the feed inlet and the slurry discharge pipe is 20-50% of the superficial area of the inner surfaces of the components, and the superficial area of the faces, making contact with the stirring paddle, of all the bionic non-smooth units on the stirring paddle is 20-60% of the superficial area of all surfaces of the stirring paddle.

The invention discloses a penflufen and fludioxonil containing bactericidal composition and application thereof. The penflufen and fludioxonil containing bactericidal composition is prepared from effective ingredients containing penflufen and fludioxonil; proper amount of agricultural bactericide additives are added. The bactericidal composition has a good effect on treating fungi diseases of crops; the two preparations have obvious synergistic effects; the quantity of used bactericidal composition can be decreased, so that the ecological damage and environmental pollution can be effectively reduced, and the crops output and quality can be improved; penflufen and fludioxonil are small in toxicity and safe to human, livestock, beneficial organisms and environment; the bactericidal composition can delay the drug resistance of germs to single preparation.

The invention discloses a bactericide composition containing tetraconazole and metalaxyl-M, wherein the bactericide composition comprises the following active components of tetraconazole and metalaxyl-M at the ratio of (1 to 20)-(20 to 1); and the mass percentage of the active components in the composition is 1%-80%. The bactericide composition can be prepared into a seed coating, and can also be processed into missible oil, a suspending agent, a water dispersible granule, wettable powder and an emulsion in water. The bactericide composition disclosed by the invention has the high bactericidal activity; meanwhile, the production and the development of the drug resistance of pathogens can be delayed; the use amount for prevention and treatment in practical production is reduced; and the bactericide composition is economic, efficient, safe and environmentally-friendly, has relatively high prevention and treatment effects on a plurality of kinds of crop diseases caused by fusarium and phytophthora, and especially has significant prevention and treatment effects on the soybean root rot disease.

The invention discloses a high efficiency insecticide including Abamectins and Profenofos. The high efficiency insecticide is characterized in that the high efficiency insecticide is a compound insecticide including active ingredients of Abamectins and Profenofos, wherein the mass ratio between the Abamectins and the Profenofos is 1: (15-400). The insecticide has higher prevention and control effect on the rice leaf rollers, can replace various agricultural chemicals, can effectively reduce the ecological damage and the environmental pollution, and improve the quality security of the paddy rice; obvious synergized action exists between the Abamectins and the Profenofos, thus being in favor of reducing the drug use amount. The compound insecticide is mainly used for preventing and controlling the conventional harmful insects of rice insect pests, such as, rice leaf rollers, rice stem borers, paddy borers, and pink stem borers, etc., and cotton bollworms and diamond back moths, etc., and can restrain or postpone the development of resistance to harmful insects.

The present invention discloses a bactericidal composition containing 2-cyano-3-amino-3-ethyl phenylacrylate and clorine-nalidixic-methyl. Active constituents of the bactericidal composition are 2-cyano-3-amino-3-ethyl phenylacrylate and clorine-nalidixic-methyl. The weight ratio of 2-cyano-3-amino-3-ethyl phenylacrylate to clorine-nalidixic-methyl is in the range of from 1:20 to 20:1, and the weight of the active constituents is 5-60% of that of the composition. The bactericidal composition has high bactericidal activity, can delay the production and development of pathogen resistance, and can reduce preventive dosage in the real production, which is economical, efficient, safe and environmentally friendly. The bactericidal composition has the higher control efficiency for crop diseases caused by fusarium, and particularly significant in wheat scab.

The invention discloses a modified diatomite lake mud building material for interior wall decoration and a preparation method, and belongs to the technical field of building materials. The building material comprises distilled water, modified diatomite lake mud powder, activated shell powder, modified mineral water-holding densifier, anatase nano titanium dioxide, modified kaolin powder, ground calcium carbonate, quicklime powder, modified acrylate emulsion, granodiorite powder, hydroxyethyl methylcellulose, pigment and nano-TiO2 modified chitosan antibacterial mildew preventive. The building material is formed through scientific compatibility of green and environment-friendly materials, is safe, stable, poisonless and free from volatile harmful gases, can adsorb and purify the harmful gases such as formaldehyde and benzene, regulate indoor humidify, enhance textures of coated wall surfaces, insulate sound and heat, remove peculiar smell, prevent fire and retard inflaming, and also has the advantages of low cost, non-existence of cracking and peeling, bacterium resistance, mildew prevention, easiness in repair and the like.

The invention discloses a sterilization composition containing fluxapyroxad and myclobutanil. The active ingredients of the sterilization composition are the fluxapyroxad and the myclobutanil; the mass ratio of the fluxapyroxad to the myclobutanil is 1:20 to 20:1; the mass percentage of the active ingredients in the composition is 5 to 60 percent. The sterilization composition has the advantages that the sterilization activity is high; meanwhile, the generation and the development of the pathogen drug resistance are delayed; the preventing and treatment dosage in the actual production process is reduced; economic performance, high efficiency, safety and environment-friendly effect are realized. The good preventing and treatment effect is achieved on various crop diseases; the preventing and treatment effect on a rice sheath blight disease is particularly obvious.

The embodiment of the invention provides an ecological migration fishway. The ecological migration fishway comprises a fishway body, wherein a narrow part is arranged in the fishway body close to a reservoir dam; the narrow part is formed by symmetrically arranging elliptical wallboards on the fishway side walls on the two sides of the narrow part; the middle part of each elliptical wallboard is a smooth surface, water inlet holes which are uniformly distributed are formed in the upstream part, and water outlet holes which are uniformly distributed are formed in the downstream part; and an impeller which is vertically installed is arranged in a space defined by each elliptical wallboard and the fishway side walls, and the impeller is driven to rotate by a motor, so that water flow in the space flows to the water outlet holes from the water inlet holes. According to the ecological migration fishway, water flow can be accelerated through the narrow part under the action of the impeller, and fish cannot be injured in the acceleration process, so that the safety of the fish in the migration fishway is guaranteed; and additionally, the impeller is vertically installed, so that the water flow of the whole channel section can be accelerated instead of being locally accelerated.

The invention discloses a bactericidal composition containing penflufen and thifluzamide. The bactericidal composition contains an effective component prepared from penflufen and thifluzamide and is prepared into a common agricultural bactericide dose form by adding a proper amount of an agricultural bactericide aid. The bactericidal composition has relatively high prevention and control effects on fungal diseases of crops, and an obvious synergistic effect is achieved between two medicaments; the dosage can be reduced, the ecological damage and the environmental pollution can be effectively reduced, and the yield and the quality of the crops can be improved; penflufen and thifluzamide have low toxicities and are safe to human and livestock, beneficial organisms and environments; the drug resistance of germs to the single medicament can be delayed.

The invention relates to the field of municipal administration, in particular to a municipal sludge recycling device. The technical problem to be solved in the invention is to provide the municipal sludge recycling device. The municipal sludge recycling device comprises a carriage, a first draw-off pump, a collection cabin, a sludge discharge valve, an electric turntable, a sludge digging mechanism and a sludge separation and putting-back integrated mechanism, wherein the first draw-off pump is arranged in the middle of the inner top of the carriage, and the collection cabin is arranged on theright side in the carriage. According to the municipal sludge recycling device, automatic sludge cleaning in a river channel is realized, meanwhile, a field treatment effect is realized, floating objects, fishes, crabs and other organisms attached to sludge digging can be directly collected and discharged to the river channel in a matched mode, the quality of sludge treatment and recycling is further improved, ecological damage to the river channel is reduced, and organisms can be protected at the same time.

The invention relates to a rice straw brick making method. A raw material of a brick body is formed by mixing cement, lime, rice straws, sand, pulverized fly ash and an additive and comprises the following compositions in percentage by weight: 13.7-13.9 percent of cement, 49.8-50.0 percent of lime, 5.4-5.6 percent of rice straws, 27.6-27.8 percent of sand, 2.6-2.8 percent of pulverized fly ash and 0.0027-0.0028 percent of additive; and the raw material mixed in proportion is fired into a brick at a temperature of 800-1000 DEG C. The rice straw brick making method has the advantages of low cost, simplicity and the like.

The invention discloses a bactericidal composition containing pyraclostrobin and hydantoin. The bactericidal composition comprises active components of pyraclostrobin and hydantoin in the weight ratio of 1:20-20:1, and the active components account for 5-60 wt.% of the composition. The bactericidal composition provided by the invention has high bactericidal activity, delays the emergence and development of pathogen resistance, reduces the dosage of prevention in actual production, and has the advantages of economical performance, high efficiency, safety and environment-friendliness. The bactericidal composition has especially substantial control effect on grape gray mold and Alternaria kikuchiana Tanaka.

The invention discloses a sterilizing composition containing sedaxane and fluazinam. The sterilizing composition comprises an effective component consisting of sedaxane and fluazinam, wherein a proper amount of an agricultural sterilizing auxiliary is added to prepare a common agricultural sterilizing preparation. The sterilizing composition disclosed by the invention has a relative high preventing and treating effect on fungal diseases of crops and the components have an obvious synergic effect; the dosage can be reduced, the ecological damage and environmental pollution can be effectively reduced, and the crop output and quality can be improved. Sedaxane and fluazinam in the sterilizing composition are of low grade toxicity and are safe to human, livestock, beneficial organisms and environment. The sterilizing composition can delay the drug resistance on a single dosage by bacteria.