5results about How to "Improve ecology" patented technology

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

The present application belongs to the technical field of multifunctional textiles, and provides a biomass-based multifunctional flame-retardant textile and a preparation method thereof.Cotton fabric is dipped in a folic acid aqueous solution and dried, the folic acid-treated cotton fabric is dipped in an egg yolk aqueous solution and dried; the cotton fabric is alternately dipped in the folic acid aqueous solution and the egg yolk aqueous solution to obtain pretreated cotton fabric; the pretreated cotton fabric is dipped in a phytic acid aqueous solution and dried to obtain a biomass-based colored antibacterial and ultraviolet-resistant multifunctional flame-retardant textile.The present application uses a layer-by-layer self-assembly method to construct a folic acid / egg yolk / phytic acid coating on the surface of the cotton fabric, successfully prepares an antibacterial and ultraviolet-resistant multifunctional flame-retardant textile with good coloring effect, improves the added value of the textile, expands the application field of the textile, and has important practical application value and social significance.

The utility model relates to a coastal inner bay upstream face structure, the coastal inner bay upstream face structure comprises a seawall, a first groove body and a grating piece, a plurality of convex parts are arranged on one side of the upstream face of the seawall, at least parts of the convex parts extend in the height direction of the seawall in the length direction, and the convex parts are arranged at intervals in the length direction of the seawall; a groove which is concaved in the convex parts is formed between every two adjacent convex parts; the first groove is located on the side, close to the bottom, of the seawall upstream face, and an opening is formed in the top of the first groove. The grid piece comprises a first grid and at least two second grids, the first grid extends in the length direction of the seawall and is arranged among the multiple convex parts, and a preset gap is formed between the first grid and the inner wall of the groove; the second grids extend in the thickness direction of the seawall and are arranged on the two sides of the first grids. The coastal inner bay upstream face structure can provide inhabiting and refuge spaces for fishes and other coastal aquatic organisms, and protection and recovery of marine organisms are promoted.

The utility model discloses a kind of six-prong block solid stone slope protection structures, including multiple six-prong blocks, multiple six-prong blocks inside are provided with up and down through grass planting cavity;Multiple six-prong blocks are provided with at least 6 through holes at height direction 1 / 3 along horizontal direction through;Multiple through hole is through with steel wire A and steel wire B reinforcement fixed;Multiple six-prong blocks are laid along box culvert boundary boundary line and cut-off flood drainage channel top boundary line respectively, six-prong block inside located in edge area is filled with concrete by concrete filling cavity, to form boundary reinforcement area.The six-prong block solid stone slope protection structure of the utility model not only improves the structural stability and ecological performance of slope protection, also has the advantages such as convenient construction, cost benefit is high, durability is strong and water permeability is good.

The invention provides a polder area integrated intelligent canal head system and a drought and flood water ecological cooperative regulation and control method, and the system comprises an integrated canal head main body unit which is provided with a main river channel main water gate in the middle, and is provided with a flood drainage pump station and a water diversion pump station at two sides; the wet chamber management room is internally provided with water inlet and outlet runners and impellers of the drainage pump station and the diversion pump station, and is provided with electromechanical equipment and a local intelligent management and control terminal; the sensing control unit comprises a water level, flow and water quality detection monitor and a sensing control module; and the intelligent management and control unit is connected with the channel head node and the monitoring and sensing network through a communication network to realize data summarization, global decision and instruction distribution. Through a highly integrated technical scheme and an intelligent collaborative decision-making system, the problems that the construction cost of a large-pattern polder-irrigation integrated area is high, operation management and protection are difficult, and flood control and drainage-irrigation water supply-water ecology are integrated are solved, and technical support is provided for polder area modernization transformation.