60results about How to "Ecological" patented technology

The invention provides a mutually-embedded ecological building block retaining wall and a construction method thereof, and belongs to the field of buildings. The mutually-embedded ecological building block retaining wall is formed by two or more than two layers of mutually embedded ecological building blocks which are arranged transversely side by side and stacked upwards; each of the mutually embedded ecological building blocks has a front surface of the building block and a back surface of the building block which are parallel to each other; a hole is formed in the middle part of the building block; a groove is formed on the top part of the building block; the front surface of the groove and the back surface of the groove are respectively parallel to the front surface of the building block and the back surface of the building block; a bump is arranged on the bottom part of the building block; the groove is matched with the bump in size; and the bump of the building block on the upper layer is embedded into the groove of the building block on the lower layer. The construction method comprises the following steps of: placing a building block on a construction foundation to serve as a first layer; placing a building block on the first layer building block to serve as a second layer, wherein the bump on the bottom part of the second layer building block is completely embedded into the groove of the first layer building block; and repeatedly placing the building blocks to a designed height. Grass-like vegetation and vine-like plants can be grown in openings of the building blocks and gaps among the building blocks, so that a good ecological effect is achieved.

The invention provides a vintage knitted fabric with a surface whitening effect, a finished garment and a processing method of the two. The processing method comprises the following steps: selecting a knitted fabric with a mesh structure on the front side, and carrying out pretreatment on the knitted fabric, wherein the pretreatment comprises the steps of scouring, bleaching and cellulose polishing; carrying out single-side coloring on the pre-treated knitted fabric to obtain finished cloth, wherein the single-side coloring procedure comprises the step of single-side slurry painting of a coating or single-side foam painting of the coating; and washing the obtained finished cloth with water. The invention also provides the vintage knitted fabric with the surface whitening effect and the finished garment obtained by the method. Compared with a traditional fabric production process, the processing method has the advantages that the production processes such as dyeing, soaping and washing with water can be omitted when the whitening vintage effect is displayed, so that the processes are shortened, the cost is reduced, and zero emission in the dyeing process is achieved.

The invention discloses a carcass innocent treatment method. The method comprises the following steps: low-temperature freezing, crushing, high-temperature decomposition, solid-liquid separation, sterilization and drying. The carcass innocent treatment method disclosed by the invention has the advantages that the treatment is thorough and environment-friendly, and the recycling of resources is achieved, so that the defect of conventional treatment without utilization is overcome by decentralized collection, centralized treatment, cleaning treatment and recycling, and the advantages of being ecological, environment-friendly, pollution-free and recycling are achieved.

The invention belongs to the technical field of inorganic nonmetallic material, and relates to an ecotypic sintering ceramic colored permeable brick and a production method thereof. The method is characterized by including using the waste ceramic particles as a basic skeleton material, using the coarse particle size gradation as an internal layer skeleton material, using the fine particle size gradation as a surface layer skeleton material, adding proper amount of colorless and colored clear glaze fine powder, organic binder CMC, and water, and preparing the qualified ecotypic sintering ceramic colored permeable brick by performing the technologies such as preparation of materials, mixing, aging, secondary material distribution and pressing, drying, sintering and testing. The production method disclosed by the invention is suitable for industrial production of the permeable brick, and the prepared permeable brick has high water permeability, high compressive strength, rich colors, and good practical durability, and is widely used for ground laying of the outdoor public places such as large parking lot, square and city road, and artistic landscape.

The invention discloses a method for artificially breeding the seed of the spotted maigre, belonging to the field of mariculture in agriculture. In the method an indoor high-density seed breeding method is combined with a prelarva outdoor pond ecological breeding method. The method comprises the steps of: indoor spotted maigre prelarva high-density breeding, outdoor pond prelarva breeding, and fishing after the length of the prelarva is more than 5cm. The indoor spotted maigre prelarva high-density breeding comprises the steps of: 1. hatching, 2. breeding the prelarva, and 3. fishing and transporting. The outdoor pond prelarva breeding comprises the steps of: i. soil pond facility finishing and early preparing; and ii. soil pond breeding and managing. The soil pond facility finishing and early preparing comprises the steps of: 1. disinfecting the pond and the water body; 2. installing an oxygenating system; and 3. breeding biological bait. The soil pond breeding and managing comprisesthe steps of: 1. putting the prelarva; 2. changing the water; 3. putting the bait; and 4. regulating the water quality. The method combines with the advantages such as the high controllability of theindoor high-density seed breeding with the ecology imitation of the outdoor pond and the like, so that the seed breeding cost and risk are reduced, and the seed quality of the spotted maigre is improved, therefore, the method can be popularized and applied.

The invention discloses a method for building an ecological littoral zone in a buffer area. The method comprises building of gabions, a low pond, multiple ponds and a retention canal. The method comprises the following specific steps: (1) a gabion area is built, wherein the gabions are built between a normal water level of a river and a level of a flood occurring every two years, and emergent aquatic plants are planted in gaps between the gabions; (2) the low pond is built, wherein a low area which is 20cm lower than the gabion area and 20cm lower than foundations of the multiple ponds is built between the level of the flood occurring every two years and the level of a flood occurring every twenty years; (3) a multi-pond system is built, wherein two rows of pond systems are built in the low pond area, substrate improvement is conducted, submerged plants are closely planted in the ponds, and the emergent aquatic plants are planted on the foundations and the circumferences of the ponds; (4) the retention canal is built, wherein the retention canal is built along the outside of the level of the flood occurring every twenty years. The method effectively solves the ecological problems that a surface source of a gentle slope area of the river is severely polluted, landscapes are poor, the biodiversity is reduced and water and soil loss occurs, and offers a feasible and efficient ecological restoration measure for recovery and reconstruction of a hydro-fluctuation belt.

The invention discloses a vegetation bag ecological slope protection construction method and a vegetation bag rainwater treatment system. The vegetation bag ecological slope protection construction method comprises the following steps: (a) performing construction preparation; (b) measuring and lining; (c) excavating a foundation pit; (d) pouring concrete to obtain a slope foundation; (e) performing primary rainwater treatment system construction; (f) performing whole slope construction; (g) manufacturing beam grillages; (h) performing secondary rainwater treatment system construction; (i) stacking vegetation bags; (j) planting plants. According to a vegetation bag ecological slope protection system, plant growth substrates are fixed to the interiors of vegetation bags, so that a side slope is more stable and has erosion resistance by utilizing the anchoring effect of the roots of plants; the slope protection foundation which is erosion-resistant, firm and breathable, and suitable for the growth of the plants is formed by combining the characteristics of the beam grillages and the vegetation bags. Meanwhile, the rainwater treatment system is added, so that rainwater is stored in a rainy season and can be used for irrigating the plants in a dry season; on one hand, the slope protection pressure is relieved, and the water and soil loss is further prevented; on the other hand, the rainwater treatment system is favorable to the growth of the plants.

The invention discloses a micro jet treatment technique used in fabric post arrangement. Water is used to directly do jet treatment for fabric. Its pressure is 12.5Mpa-17Mpa; speed is 150-250 m / s. The fabric moving speed is 10-60 m / min. The technique can make fabric surface smooth, and improve its histological structure. It is a new green fabric softening anti-teasing arrangement technique.

The invention discloses an eco-planting and breeding method for preventing and controlling ampullariidae. The method comprises the following steps of: 1) changing traditional rice flat planting culture into rice ridge planting culture, and performing rice ridge planting culture; 2) stocking ducks at about 15 days in rice furrows; 3) stocking chicks at about 30 days in a rice ridge plot; 4) managing the field; 5) harvesting at proper time. By adopting the method, the flooding area of rice planting is reduced so as to reduce the habitat of the ampullariidae; chicks are utilized to peck eggmass of the ampullariidae attached on stems of the rice so as to control the source of the ampullariidae; the ducks move in the field to ensure that the water body is muddy, so that the ampullariidae cannot survive, and the ducks eat young ampullariidae and the eggmass to control weeds and reduce the habitat of the ampullariidae. The method has the characteristics of low toxicity, ecology and environmental friendliness.

The invention provides a quarry muck spray-seeding medium and a spray-seeding method thereof. The spray-seeding medium comprises a medium layer and a seed layer, wherein the medium layer is located onthe bottom layer, and the seed layer is located on the upper layer of the medium layer. The medium layer is mainly prepared from, by mass, 50-60% of muck A, 5-10% of biochar, 10-15% of straw, 5-13% of cement, 1-3% of potassium sulphate, 1-2% of acrylamide and 10-15% of biogas slurry; the seed layer is mainly prepared from, by mass, 30-40% of muck B, 20-35% of sludge, 30-35% of biogas residues, 1-2% of starch grafted sodium polyacrylate, 1-2% of polyacrylamide and 1-2% of plant seeds. According to the spray-seeding medium, the quarry muck is used as the main raw material to replace soil used in an existing soil replacement spray-seeding technology, and the quarry muck spray-seeding medium has certain social, biological and economic values.

The invention discloses a liquid flow type ecological water culture planting system and belongs to the field of water culture planting systems. The liquid flow type ecological water culture planting system is characterized by comprising a water culture box body, a plant field planting basket, an external system and a water pump stirring system. The plant field planting basket is arranged on the upper portion of the water culture box body, the external system is arranged outside the water culture box body, and the water pump stirring system is arranged at the bottom of the water culture box body. Water culture plants are cultivated in the water culture box body, floating plants (aquatic plants) are cultivated in the external system, ecology is achieved, plants of different types are cultivated through an environment-friendly and energy-saving liquid flow method, the cultivation technique, ornamental value and ecology are achieved, and the system is a device system suitable for indoor water culture planting.

The invention relates to a rolling-typed molding technique of an assembling big panel and a production line and consists of a feed system, a water-powder blending, stirring and laying system, a belt transmission device, a vibration leveling device, a roll forming device, a synchronous cutting device, a quick rolling device, an idler pulley device, a grab board manipulator and a stacking trolley. The feed system includes a raw material bin 1, a metering screw conveyer 2, a proportion screening device 3, hoisting machines 5 and 7, a powder blending and stirring device 6, a storage bin 9 and a metering spiral scale 10; the molding technique is as follows: slurry material which is stirred by the water-powder blending and stirring device is paved on the upper plane of the belt of the belt transmission device, leveled by the vibration leveling device and is treated with roll forming by the roll forming device, and then is cut into the rolling-typed assembling big panel according to a set length. The production line can realize semi-automation production operation, improve yield, guarantee product quality, reduce production cost and labor intensity and has the advantages of reasonable equipment structure and simple technique, and the finished product is light and energy-saving and has heat insulation property and high intensity.

The invention relates to a preparation method for partial water permeation floor tiles and the partial water permeation floor tiles. The preparation method comprises the following steps: A, preparing a hollow pattern mold according to a set hollow pattern; B, mutually embedding a floor tile brick mold of which the size is larger than that of the hollow pattern mold into the hollow pattern mold, putting the molds at a fixed position, then filling a region between the floor tile brick mold and the hollow pattern mold with a non water permeation material, and performing extruded forming; C, taking out the floor tile brick mold and the hollow pattern mold, ensuring that the hollow pattern is complete, and forming hollow tiles through maintenance; D, filling hollow parts of the hollow tiles with water permeation materials, enabling the water permeation material filling regions in the hollow parts and the whole hollow tiles to form an integrated structure through compaction or under the action of self-adhesion of the water permeation materials. A pavement paved by the partial water permeation floor tiles has certain bearing capacity and water permeation and ventilation ecological performance; meanwhile, the cost can be reduced, and the landscape effect is enhanced.

The invention provides a fully automatic gypsum block extrusion forming production line, consisting of a raw material bin 1, a material supply system, a water powder mixing device 12, a fiber water supply device 13, an extrusion forming device 14, a transmission device 16 and an electric control center. The material supply system comprises the raw material bin 1, a measuring screw conveyer 2, a compounding screening device 3, hoists 6 and 8, a powder mixing device 7, a material storage bin 10 and a measuring steelyard 11; the forming process comprises the steps as follows: the measured powder is extruded, formed and demoulded by the water powder mixing device 12 and the extrusion forming device 14 and masonry blocks are pushed out on the upper surface of the transmission device 16. The production line realizes the fully automatic production operation, improves the yield, ensures the product quality, reduces the production cost and the labor intensity, has reasonable structure of the equipment, simple process and light terminal products, saves energy, preserves heat and has high strength.

The invention discloses a manufacturing method and application of an ecological straw brick or an ecological straw ball. The manufacturing method of the ecological straw brick comprises the following steps: (1) placing collected straws in a pulverizer, and smashing the straws into granular substances of 1.0 cm; 2) adding copper isocaprylate of which the mass is 3% of that of the straws and quick lime of which the mass is 50% of that of the straws into the smashed straw particles; 3) uniformly stirring the straw particles, cement, a water-reducing agent, gravels, a self-made green additive and water; 4) manufacturing the mixture into a shape like a brick; 5) curing, and removing a mould; 6) drying, so as to obtain the required ecological straw brick. The manufacturing method of the ecological straw brick or the ecological straw ball has the advantages as follows: the ecological straw brick or the ecological straw ball is manufactured by taking waste straws as raw materials, so that the incineration of straws is reduced, and the atmospheric environment is improved; the manufactured ecological straw brick or the ecological straw ball is light in mass, large in porosity and rough in surface, has certain strength, can replace certain concrete slope protection materials to be applied to ecological slope protection projects or ecological stone mesh-box projects, and greatly improves the operation efficiency of ecological rehabilitation projects.

The invention relates to a novel vegetable locust attractant. The novel vegetable locust attractant is characterized by being realized by planting acres of Asclepiadaceae plants such as Metaplexis japonica-Metaplexis, Asclepias curassavica-Asclepias, Calotropis gigantean-Calotropis, Tylophora floribunda-Tylophora and the like; or preparing Asclepiadaceae plant extracts. The obtained vegetable locust attractant in the invention can be used for forecasting, preventing, concentrating and trapping locusts by virtue of the preferential feeding habit of the locusts. The novel vegetable locust attractant has the advantages of low cost, nuisance-free environmental protection, good trapping effect and good control effect, and is simple and convenient in operation, and the attractant can be well applied to low carbon economy, modern agriculture, organic agriculture, ecological agriculture, nuisance-free agriculture, environmental protection and sustainable development.

The invention relates to a preparation method of an insecticide for aquatic animals, which comprises the following steps of: (1) weighing the following raw medicinal materials in parts by weight: 200-500 parts of hairyvein agrimony herbs, 200-500 parts of lightyellow sophora roots and 400-700 parts of melia azedarach linn; (2) adding water 8-12 times greater than the total amount of medicinal materials, soaking in 45 DEG C of hot water for 20-30 min, and decocting according to a conventional method; decocting with slow fire for 1.5 h after first boiling, and filtering; adding 6 times of water to filtration dregs, decocting with slow fire for 1 after boiling, and filtering; and combining two filtrates, filtering, and concentrating the filtrate at the temperature of 40-50 DEG C until the relative density becomes 1.05; (3) adding 95% alcohol by weight concentration to ensure that the alcohol content of the final concentration is 60%, stirring and settling for 24 h; (4) filtering, recovering alcohol from the filtrate, adding a distilled water solution, and concentrating at the temperature of 40-50 DEG C until the relative density becomes 1.05-1.20; and (5) cooling the concentrate to room temperature, and charging 500 ml / bottle. The insecticide has the advantages of reasonable formulation and simple preparation; and when being used for controlling insects inside and outside the aquatic animals, the insecticide has obvious effect.

The invention relates to a method for preparing an aquatic animal insecticide. The method comprises the following steps of: (1) weighing the following raw materials in part by weight: 200 to 500 parts of azadirachtin extract, 50 to 150 parts of efficient cypermethrin benzene oil, 50 to 150 parts of high-chlorine emulsifier, 100 to 400 parts of dimethyl formamide and 100 to 300 parts of dimethyl benzene; (2) putting the weighed high-chlorine emulsifier, the dimethyl benzene and 1 / 3 to 1 / 2 of dimethyl formamide into a container, slowly pouring the weighed efficient cypermethrin benzene oil into the container with stirring till the materials are fully dissolved; and (3) taking the azadirachtin extract, adding the azadirachtin extract into the uniformly mixed solution with stirring till full mixing, fixing the volume by using the rest dimethyl formamide, and filling 100ml of solution into each bottle. The insecticide can be used as a prevention and control agent for ectozoa in bred fish and shrimp, has the characteristics of high efficiency, quick response, broad spectrum, natural ecological type, multiple functions and the like, and has an extract prevention and control effect. The insecticide is reasonable in formula, easy to prepare and wide in application and has a very obvious effect.

The invention provides a composite ecological landscape retaining wall which comprises a hollow box retaining wall and a laminated retaining wall which is fixed on the hollow box retaining wall and formed by laminating multiple prefabricated component layers, wherein a cavity is formed in the hollow box retaining wall; a plurality of water holes through which the cavity is communicated with outside are formed in a near-water side wall of the hollow box retaining wall, and a certain distance exists between the water hole in the bottommost layer and the bottom of the hollow box retaining wall; the cavity is filled with soil and stone blocks from bottom to top; and a certain space is formed between the stone blocks and the top of the cavity. The composite ecological landscape retaining wall disclosed by the invention is formed by combining upper and lower retaining walls of different structures and can meet the requirements of various water depths and soil retaining heights, the whole retaining wall has excellent ecological property, and the composite ecological landscape retaining wall is good in landscape effect and small in occupation of land.

There is proposed herein a process for production of composite antimicrobial preparations for parenteral administration, featuring a higher therapeutic efficiency in case of grave infection and inflammatory diseases. The proposed compositions include an active agent being fosfomycin and finely dispersed nanostructured silica dioxide, with a weight ratio from 10:1 to 75:1 respectively. The mentioned production process includes mixing fosfomycin with finely dispersed nanostructured silica dioxide. Its main difference is that the mixture of aforementioned substances with the mentioned weight ratio is exposed to mechanical processing by blow impact and abrasive actions until a portion of the fine powder fraction with particles smaller than 5 micrometers, contained in the mixture, increases to at least 25%. The so obtained mixture is used for injection preparations.

The invention relates to an inner-circulation aeration device for a fish culture pond and a use method of the inner-circulation aeration device, and belongs to the technical field of culture. The device comprises a base, a submersible pump, a support, a water taking tube, a tee tube, an air inlet tube, a water outlet tube, a jet pipe, a remote control switch and a cable, wherein the submersible pump is placed on the base and connected with the water taking tube, the water taking tube is connected with the air inlet tube and the water outlet tube through the tee tube, one horizontal port of the tee tube is connected with the water taking tube, the other horizontal port is connected with the water outlet tube, the port perpendicular to the water surface is connected with the air inlet tube, and the water taking tube and the water outlet tube are connected on the same straight line through the two horizontal ports of the tee tube. By means of the inner-circulation aeration device arranged in the pond, exchange of water on the upper and lower layers and aeration are realized, culture water in the pond is pushed to form inner circulation flow, concentrated cleaning of large-particle culture waste is convenient, the fine fish growth environment is created, the disease rate caused by substrate decomposition and water degradation in the pond is greatly reduced, the culture survival rate and the culture yield of the fish pond are increased, and the purposes of quality and efficiency improvement of pond culture production are achieved.

The invention discloses a drainage ditch compound section wrapping type grass mat slope protection method for coastal reclamation areas. The method is performed according to the following steps: (1) constructing a drainage ditch compound section, wherein the drainage ditch compound section comprises a groove, groove side slopes, a bottomland, swale side slopes, slope tops and ridge side slopes; (2) using a grass mat to perform integrated wrapping coverage on the swale side slopes, the slope tops and the ridge side slopes and perform the integrated wrapping coverage on the groove side slopes and the bottomland by being vertical to the central line of the groove; and (3) nailing wood piles at the overlapped parts and the corners of the grass mat, arranging the wood piles in rows and columns at intervals of 1.5-2m and then binding iron wires on the wood piles in a diagonal crossing form. According to the drainage ditch compound section wrapping type grass mat slope protection method disclosed by the invention, the integral structure and the stability of the side slopes are improved, the erosion of the side slopes can be effectively reduced, and the occurrence of soil collapse and landslide phenomena can be prevented.

The invention discloses a plant-modified fibril and a preparation technology thereof, and the plant-modified fibril is obtained by modifying the aggregate state by taking the plant as a raw material. The plant-modified fibril basically reserves the main ingredients of the natural plant, and changes the physical form and the performance of the natural plant, so that the rigid material can be prepared, and the flexible material such as the paper, the fabric and the like can be prepared. The modified fibril is prepared by the working procedure which comprises the following steps of softening, separating, rolling thread, grinding into a thick liquid or pulping, bleaching, softening and the like under normal temperature and normal pressure. The new fibril is wide in raw materials, low in manufacture cost, and outstanding in energy-saving, emission-reducing and consumption-reducing effects. The technology is universal, thereby being applicable to the new factory, the original pulping factory and the original fiber factory. The plant-modified fibril and the preparation technology thereof are low in scale requirement, thereby being especially suitable for the demand of the economic development of the agriculture and the rural area.

The invention discloses a plant protein beverage coix seed apricot kernel liquid, wherein the raw materials comprise, by weight, 1-20 parts of coix seed, 1-20 parts of apricot kernel, 2-5 parts of a sweetening agent, and 0.5-1 part of a stabilizer. According to the present invention, the heath beverage with characteristics of pure aroma, smooth taste, stable property and uniform state is prepared by mixing the raw materials such as the sweet almond, the apricot kernel, the sweetening agent and the stabilizer according to the scientific ratio, is ecological, scientific and healthy, and is especially suitable for being consuming as the health product.

The invention relates to the technical field of environmental treatment, in particular to an alpine region stony desertification ecological restoration method. The alpine region stony desertification ecological restoration method specifically comprises the following steps of preparation of restoration soil dressing, preparation of stony desertification land, spray seeding of the restoration soil dressing and regular maintenance. After the vegetation is sown, the current-year coverage rate is about 75%, the coverage rate is up to about 65% after the vegetation grows for 5 years, the vegetation can fix sandy soil, and water and soil loss is reduced; the vegetation straws contain 32% of heavy metals after being incinerated, by adding a biological humic acid fertilizer, a water-retaining agent, a microbial agent and the polyaspartic acid, a finally prepared soil conditioner has excellent water-retaining property, cold resistance and drought resistance, the soil structure and environment of the alpine and arid region are improved, the growth of plants in the region is promoted, and desertification control is promoted; and acinetobacter can absorb the heavy metals in cells, so that the heavy metals are effectively extracted from the compost, and secondary pollution is avoided.

The invention belongs to the technical field of food. The method comprises the steps that 1, grain is ground into powder and screened with a 200-250-mesh sieve, and grain powder is obtained; 2, 80-120 parts by weight of grain powder, 20-22 parts by weight of water and 1-3 parts by weight of edible oil are prepared; 3, the water is added into the grain powder for mixing and stirring, then, the edible oil is added, blending is conducted till dough is obtained, the environment temperature is controlled to range from 18 DEG C to 25 DEG C, the dough temperature is controlled to range from 20 DEG C to 35 DEG C, and then standing is conducted; 4, rolling is conducted, standing is conducted at the temperature of 18-25 DEG C, and then the treated dough is put into a mold; 5, at the temperature of 180 DEG C, preheating is conducted, and baking is conducted for 15-35 min on the condition that the surface fire ranges from 170 DEG C to 190 DEG C, and the bottom fire ranges from 170 DEG C to 190 DEG C; 6, cooling is conducted, and an edible spoon is obtained. The obtained edible spoon is high in strength, resistant to temperature and humidity and suitable for actual application and popularization, and has a long quality guarantee period.

The invention discloses a vegetable seedling growing liquid fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The vegetable seedling growing liquid fertilizer is prepared from, by weight, 70-100 parts of farmland wastes, 50-80 parts of breeding industry wastes, 60-100 parts of kitchen wastes, 1-2 parts of a dispersant, 1-2 parts of bentonite, 20-25 parts of pest-expelling plant bodies, 0.5-1 part of gibberellin and 800-1200 parts of water. The vegetable seedling growing liquid fertilizer is produced by using the kitchen wastes, farmland wastes, breeding industry wastes and the like as raw materials, so the cost is low, and environmental protection and effective utilization of resources are benefited; and the vegetable seedling growing liquid fertilizer has the advantages of completeness in organic and inorganic nutrients, richness in nutritional elements such as nitrogen, phosphorus and potassium, easiness in being absorbed by plants, and promotion of vegetable seed germination, seedling growth and pest expelling and killing.

The invention relates to the technical field of materials, and relates to a using, pavement laying and preparation method of a material, in particular to a permeable pavement adhesive and a using method thereof. The permeable pavement adhesive is suitable for an adhesive stone permeable pavement because an adhesive layer is high in strength, high in toughness, good in yellowing resistance and strong in adhesion after cured. The product has excellent wear resistance, weather resistance and aging resistance. The increase in use amount of stone further reduces the use amount of volatile organic compounds. The permeable pavement adhesive is good in fluidity, can be fully mixed with the stone to ensure the strength after laid, is good in construction performance, excellent in performance-priceratio, outstanding in wear resistance, strong in aging resistance and high in mechanical strength, is ensured to be unchanged in performance for a long time after construction, and solves the defectsof cracking, deformation and the like in extremely high and low-temperature weather.

The invention discloses an ecological restoration method for treating a eutrophic water body by utilizing Nuphar sinensis, which is particularly applied to ecological restoration of city park lakes with landscape requirement on a water area and large-scale eutrophicated shallow water lake lakeside zones. The method comprises the following steps of: adopting the Nuphar sinensis as a pioneer species for restoring aquatic vegetation, adopting a subterraneous stem propagation body or seedling vegetative propagation manner in shallow water areas and / or river bank zones, and field planting the Nuphar sinensis in a patchiness distribution manner; in the next year, utilizing a 'centripetal radiation pressure seedling method' to realize rapid expansion of plant groupings so as to form an annular plant grouping; and planting submerged plants in a restoration area, so that the plant cover degree reaches more than 60 percent finally. Compared with a traditional plant material restoration technology, the method has the characteristics of excellent water quality purification effect, simple management and high economic value, has the advantages of ecological features, sightseeing performance and economical efficiency, and has wide popularization and application prospect.

The invention provides a composite ecological landscape retaining wall which comprises a hollow box retaining wall and a laminated retaining wall which is fixed on the hollow box retaining wall and formed by laminating multiple prefabricated component layers, wherein a cavity is formed in the hollow box retaining wall; a plurality of water holes through which the cavity is communicated with outside are formed in a near-water side wall of the hollow box retaining wall, and a certain distance exists between the water hole in the bottommost layer and the bottom of the hollow box retaining wall; the cavity is filled with soil and stone blocks from bottom to top; and a certain space is formed between the stone blocks and the top of the cavity. The composite ecological landscape retaining wall disclosed by the invention is formed by combining upper and lower retaining walls of different structures and can meet the requirements of various water depths and soil retaining heights, the whole retaining wall has excellent ecological property, and the composite ecological landscape retaining wall is good in landscape effect and small in occupation of land.