382results about How to "In line with the concept of sustainable development" patented technology

The invention discloses a sandy soil microbe solidification method and apparatus. The solidification method comprises steps of first, preparing high concentration bacteria liquid, second, compounding cementation medium solution, third, injecting the high concentration bacteria liquid and cementation medium solution into sandy oil, and fourth, nursing the sandy soil and molding the same. In the high concentration bacteria liquid preparation step, Pasteur spore sarcina is transplanted into an ammonium salt-yeast base nutrient solution; the PH value of the nutrient solution is adjusted to be about 8.0 to 9.0; the nutrient solution is vibratingly water-bathed for 30 to 40 hours at the temperature of 30 DEG C; then high concentration bacteria liquid with concentration of 0.8 to 1.2x107cells/ml is centrifugally achieved; the cementation medium solution comprises urea-calcium chloride, ammonium chloride, sodium bicarbonate and ammonium salt-yeast base nutrient solution; in the third step, the sandy soil is manufactured into samples with various dry density; two ends of each sample are respectively provided with a plastic block; the external side of the sample is covered with latex film; 15mL high concentration bacteria liquid and 50 to 100mL cementation medium solution are successively injected into the sandy oil via a peristaltic pump; and the samples are placed and nursed in environment with temperature ranging from 22 to 20 DEG C and relative humidity of 95%. With action of microbe solidification, unconfined compression strength can be obviously improved for the sandy soil.

The invention discloses C30 grade steel-doped slag recycled aggregate self compacting concrete comprising the following raw materials by weight: 1 parts of water, 3.089 parts of natural coarse aggregate, 1.322 parts of recycled coarse aggregate, 3.822 parts of fine aggregate, 1.455-1.689 parts of cement, 0.728-0.970 parts of steel slag, 0.609 parts of fly ash, 0.064 parts of supplementary water, and 0.00495-0.0124 parts of an additive, and the water /cement ratio of the self compacting concrete is 0.33. The C30 grade steel-doped slag recycled aggregate self compacting concrete has good fluidity, filling property, and segregation resistance, the gradually loss and the strength both meet requirements related to construction, the C30 grade steel-doped slag recycled aggregate self compacting concrete is simple in preparation method, production cost of the self compacting concrete with same ratio and same strength is reduced, the steel slag and building garbage disposal problem can be solved, the pressure of resource depletion can be alleviated, and the C30 grade steel-doped slag recycled aggregate self compacting concrete is green, environmentally friendly, and suitable for industrial production.

The invention relates to a multifunctional road which comprises a semitransparent protecting layer, a road indicating layer, a vehicle detecting layer, a solar energy layer and a concrete layer, wherein the semitransparent protecting layer is used for vehicle driving on the road, can allow sunlight to penetrate and can protect internal elements; the road indicating layer comprises various colors of LED lamps and is used for displaying a traffic sign and a warning message; the vehicle detecting layer is used for detecting the state of a vehicle driving on the road; the solar energy layer is used for absorbing solar energy for photovoltaic power generation; and the concrete layer is used for isolating moisture in the soil and bearing the vehicle. On the premise that the driving function of the road is achieved, a large amount of electric energy can be generated, and the road simultaneously has road indication and vehicle detection functions.

An ultrasonic-assisted abrasive jet deburring machining device is characterized in that the device comprises a lifting mechanism (1), a part fixture (2), an abrasive liquid mixing box (3), a high-precision two-axis workbench (4), a stirring mechanism (5), a transducer (6), a amplitude-change pole (7), a vibration transmission rod nozzle (8), an ultrasonic power supply (10), a flow sensor (15), anelectric control valve (16) and a hydraulic diaphragm pump (21), wherein the part fixture (2) is connected to the high-precision two-axis workbench (4); the ultrasonic power source (10), the transducer (6), the amplitude-change pole (7), and the vibration transmission rod nozzle (8) are connected; the inlet end of the hydraulic diaphragm pump (21) is connected with the abrasive liquid mixing tank(3); an outlet end bypass of the hydraulic diaphragm pump (21) is provided with a safety valve (20); and an main line outlet of the hydraulic diaphragm pump (21) is fixedly connected to the vibrationtransmission rod nozzle (8) through a hose (12). The device has the advantages of being simple in structure, high in automation degree, free of machining pollution and high in efficiency.

The invention discloses branching, cross-linking, expanded, melt-dropping-resistant and flame-retardant copolyester based on a triazine ring structure. The copolyester is prepared by conducting random copolymerization on structure units expressed as formulae I, II and III or structure units expressed as formulae I, II, III and IV according to a conventional method. The intrinsic viscosity [eta] of the prepared branching, cross-linking, expanded, melt-dropping-resistant and flame-retardant copolyester is 0.41-1.10 dL/g; the extreme oxygen index is 24.5-38.0%; the vertical combustion grade is between V-2 and V-0; the peak heat release rate p-HRR in a cone heat test is 247-643 kW/m<2>. According to the copolyester, a modified monomer of the triazine ring structure is introduced, and then copolymerized with polyester to form a unique ternary branched cross-linking network structure; the modified monomer of the triazine ring structure contains the flame-retardant element nitrogen, so that the melt viscosity of the copolyester in combustion can be improved; the copolyester is capable of releasing nitrogen and quickly forming an expanded char layer with excellent heat and oxygen insulation effects; especially, a phosphorus-nitrogen synergism effect can be generated when the copolyester is used together with the conventional phosphorus-containing flame-retardant agent; the flame-retardant performance and the melt-dropping-resistant effects can be more excellent; the selected monomer is low in price; the preparation process is mature; the operation is simple and convenient; the industrialized large-scale production is liable to implement.

The invention discloses a method for improving the anaerobic sludge granulation efficiency, and belongs to the field of organic waste water treatment. The method for improving the anaerobic sludge granulation efficiency is provided for the problems that the anaerobic granular sludge culture circle is long, the granule stability is poor, and the culture cost is high in the prior art. The method comprises the steps that an appropriate number of organically synthesized acyl-homoserine lactone (AHL) signal molecules are added into the bottom of an EGSB reactor used for anaerobic sludge granulation culture periodically and mixed with anaerobic sludge, the addition cycle is the same as the hydraulic retention time, and the advantages that the anaerobic sludge granulation efficiency is high, the cost is low, the needed granulation time is greatly shortened, the formed granular sludge is good in stability, the structure is simple, and operation is convenient can be achieved.

The invention discloses a method and system for dynamically sharing buses-only lane resources based on the IOT (Internet of Things). The method comprises the steps: adding a dedicated signal lamp forindicating whether a social vehicle can enter a buses-only lane or not at an intersection of the screened buses-only lane; enabling the dedicated signal lamp to remain red till the buses in all bus fleets enter the current intersection, and calculating the remaining passing time of an original signal lamp according to the straight passing time duration of the original signal lamp and the differences between the moments when all bus fleets pass through the current intersection; controlling the state of the dedicated signal lamp through judging the remaining passing time of the original signal lamp and the size of a time duration clearing threshold value of the dedicated signal lamp, and further determining whether to allow a social vehicle in straight running to use the buses-only lane or not. The method improves the utilization efficiency of the space-time resources of the roads.

The invention provides waterborne polyurethane resin for a synthetic leather fabric and a preparation method of the waterborne polyurethane resin. The waterborne polyurethane resin is prepared from the following raw material components in parts by weight: 20 to 50 parts of polyhydric alcohols, 5 to 20 parts of polyisocyanate, 1 to 6 parts of an anionic hydrophilic chain-extending agent, 0.05 to 0.2 part of a catalyst, 0.1 to 0.3 part of a silane coupling agent, 1 to 4 parts of a salt-forming agent and 1 to 5 parts of a second small molecule chain-extending agent, wherein the polyhydric alcohols comprise hydroxyl-terminated polysiloxanediol, polytetrahydrofuran polyol and polycarbonate diol; the weight ratio of the hydroxyl-terminated polysiloxanediol to the polytetrahydrofuran polyol to the polycarbonate diol is (2 to 6) to (10 to 25) to (18 to 30). The waterborne polyurethane resin obtained by the preparation method provided by the invention has the advantages of good alcohol resistance, good normal temperature folding resistance and good wear resistance; a production process of the preparation method provided by the invention is simple; a large amount of toxic or harmful organic solvents in the production process are avoided, so environmental protection and physical and psychological health of a human body are benefited.

The invention discloses a multimode city road cross section resource coordinated configuration method. The method includes the steps that firstly, whether a bus-only lane is set and what cross section form is adopted are determined according to set red line width and design requirements; then, road supply conditions of motor vehicles are determined, whether mixing of cars and buses occurs and the width of each motor way are determined, traffic conditions are determined, the passenger transport efficiency and emission rate of each transport means per standard unit width are determined again, and then an objective function with the highest cross section passenger transport efficiency and the smallest emission rate and corresponding constraint conditions are established; finally, the objective function is solved to obtain key parameters in the optimization process and a cross section resource allocation result. Under the road conditions and traffic conditions of the set red line width, a cross section layout design scheme achieving the high road cross section passenger transport capacity and the small emission quantity can be provided.

The invention discloses a low-cost ecological ceramic material having a plurality of sound absorbing structures. The low-cost ecological ceramic material having the plurality of sound absorbing structuresis prepared from the following components: 22% to 27% offly ash, 13% to 18%ofcoal gangue, 8% to 12% ofred mud, 40%to 45% ofshale, 5%to 10% offeldspar, 0.2%to 2% of foaming agent, 0.5%to 3% of binder, 7%to 12% of pore forming agent, and 0% to 1% ofsurfactant; a variety of pore structures are arranged, and water vapor in the environment is absorbed to adjust the humidity of the air. The invention further discloses a preparation method of the low-cost ecological ceramic material.A perforated plate sound absorbing structure, a microperforated resonance sound absorbing structure, and a thin plate resonance sound absorbing structure are formed by three pore-forming methods of mechanical punching, pore forming agent, and foaming agent respectively, the open porosity of the material is increased, the high-frequency sound absorption effect is improved, the plurality of sound absorbing structures improve the sound absorption effect of the low and medium frequency, the preparation material islow in cost, and the environment-friendly effect is conformed.

The invention relates to a preparation method of a nano epoxy resin composite material. The preparation method of the nano epoxy resin composite material is characterized by comprising the following steps of: 1) pre-processing raw materials; 2) extracting a starch nano-crystal under an effect of a sulfuric acid solution so as to obtain white cotton-shaped starch nano-crystal; 3) melting and blending pre-processed liquid epoxy resin and the starch nano-crystal, so as to obtain an epoxy resin/starch nano-crystal composite; 4) adding a curing agent into the epoxy resin/starch nano-crystal composite so as to obtain an epoxy resin/starch nano-crystal prepolymer; and 5) curing and forming the epoxy resin/starch nano-crystal prepolymer, and pouring the epoxy resin/starch nano-crystal prepolymer into a die to form, so as to obtain the nanometer epoxy resin composite material. The preparation method disclosed by the invention has the advantages of simple process, low cost and environmental friendless.

The invention relates to a method for using signal molecules for accelerating repair of disintegrated aerobic granular sludge. According to the method for using the signal molecules for accelerating repair of the disintegrated aerobic granular sludge, by adding the exogenous AHLs signal molecules to repair the disintegrated the aerobic granular sludge, in a process of repairing structures of the disintegrated aerobic granular sludge, regranulation of the crushed granular sludge is accelerated, after 20-30 days, the disintegrated aerobic granular sludge is basically and completely repaired, therepaired aerobic granular sludge is smooth in particle surface, regular in shape and compact in structure, and has good settling performance, after adding of the exogenous AHLs is stopped, the granular sludge structures are still intact, and the settling performance and the granule density remain at high levels. According to the method for using the signal molecules for accelerating repair of thedisintegrated aerobic granular sludge, by adding the exogenous AHLs temporarily, an excellent repairing effect on the disintegrated aerobic granular sludge is achieved, the repaired granular sludge is intact in structure and good in settling performance, moreover, operation is simple, and practical application is easy.

The invention discloses a method for preparing a chloroethylene monomer from dichloromethane. Under the condition of existence of a catalyst with hydrogenation activity, dichloromethane and hydrogen react to prepare the chloroethylene monomer; the reaction equation is 2CH2Cl2+H2=C2H3Cl+3HCl; the mole ratio of hydrogen to dichloromethane is (0.01-20) to 1; the reaction temperature of the reaction is 25-600 DEG C, and the reaction pressure is 0.001-10 atm. According to the method, raw materials are readily available and are low in cost, so that the production cost is low, and the reaction conversion rate is high; the chloroethylene monomer is high in selectivity; the method is a novel chloroethylene monomer synthesis technology and is suitable for being popularized and applied.

The invention relates to a technology for firing a cement clinker by utilizing a molten slag liquid phase of a blast furnace. A device comprises an iron-making blast furnace, a slag tank, a metering belt, a stock bin, a raw mill, a firing tank furnace, a dry quenching slag boiler, a clinker hopper, an intermediate bunker, a liquid feeding port, a melting chamber, a tricalcium silicate crystal chamber, an overflow chamber and a discharging port. The invention has the beneficial effects that the molten liquid slag is directly utilized, the temperature is about 1450 DEG C, the molten liquid slagis an excellent heat source, the sampling chemical test analysis for the molten liquid slag is adopted for supplementing the volume of the chemical element of the cement clinker and the slag is fullymixed and dispersed and reacts under the furnace temperature for keeping liquid state till the main mineral tricalcium silicate is generated; the cement clinker is lastly acquired in the manner of dryquenching, pelletizing and heat exchange in dry quenching slag boiler; the energy consumption of slag cooling and milling is reduced; the energy consumption of preheating, dewatering, decomposing andsintering for forming liquid phase in the present process of producing and firing the cement is reduced; the pollutant emission is reduced; the energy conservation and emission reduction are practically realized; the technology is a practical method for protecting environment.

The invention discloses class C40 slag-doped recycled aggregate self-compacting concrete and a production method thereof; the Class C40 slag-doped recycled aggregate self-compacting concrete comprises 1 part of water, 3.089 parts of natural coarse aggregate, 1.322 parts of recycled coarse aggregate, 3.822 parts of fine aggregate, 1.941-2.183 parts of cement, 0.2426-0.4851 part of slag, 0.609 part of fly ash, 0.064 part of added water, and 0.00495-0.0124 part of an admixture. The class C40 slag-doped recycled aggregate self-compacting concrete has good mobility, filling performance and segregation resistance, both gradual loss and strength of the concrete meet the related requirements of buildings, the production method is simple, the production cost of self-compacting concrete under same ratio and strength is lowered, the slag and building waste treatment problem is solved, the burden of resource exhaustion is relieved, and the concrete and the production method thereof are green and suitable for industrial production.

The invention provides oyster fibers. The oyster fibers are prepared by the following steps of 1, dissolving oyster shell powder and chitosan in an acetic acid solution to obtain a reaction solution;2, adding a carbonate supply source substance into the reaction solution, so that the reaction solution is converted into a gelatinous solution; 3, heating the gelatinous solution to 80-120 DEG C, keeping the temperature for 10-15 hours, then adding omega-aminoalkanoic acid, and continuously keeping the temperature for 5-10 hours; step 4, adjusting the pH value of the mixed solution obtained afterthe step 3 is completed to be greater than 7.5, and then adding chloroacetic acid into the mixed solution until the chitosan is converted into carboxymethyl chitosan; 5, adding deionized water, carrying out ultrasonic treatment to fully dissolve the carboxymethyl chitosan, filtering, washing filter residues with the deionized water, filtering out washing liquor, and reserving the filter residuesfor later use; and 6, adding a dispersant into the filter residues, grinding, fully dispersing, fully mixing the ground mixed slurry with polyester, granulating, and spinning to obtain a finished product.

The invention discloses a grass-growing cultivating mode of a macadamia integrifolia orchard. The grass-growing cultivating mode comprises the following steps of constructing an orchard and performingplanting; performing fertilizing management; performing water management; performing leader branch cutting and performing trimming; performing extermination of diseases and insect pests; and performing grass growing in the orchard. According to the grass-growing cultivating mode disclosed by the invention, in accordance with the characteristics that in China, macadamia integrifolia is mainly planted in mountainous regions and hilly regions, and the row spacing between plants is large, orchard grass growing management is performed on the orchards; and besides, cultivation management of soil, water and fertilizers and the like is optimized, a macadamia integrifolia cultivating mode which is high in per mu yield, and can effectively exterminate diseases and insect pests, and take account ofprevention of soil erosion is provided, and the cultivating mode has important significance on accelerating the development of the macadamia integrifolia, enlarging the planting area and improving incomes of peasants.

The invention provides a special organic fertilizer for peppers and a preparation method for the special organic fertilizer, and relates to the technical field of fertilizers. The special organic fertilizer for the peppers is prepared from the following raw materials in parts by weight: 10-20 parts of biogas residues, 7-14 parts of bits of wood, 6-12 parts of grass pond lime sludge, 5-10 parts ofoyster shell powders, 5-10 parts of fermented tea leaf residues, 4-9 parts of disinfection liquid, 2-6 parts of a bactericide and a proper amount of water. The fertilizer provided by the invention solves the problems, which an existing fertilizer cannot solve, that soil compaction causes soil water retention ability and fertility-keeping ability as well as permeability to drop, residual chemical fertilizer in the plant pollutes the environment and the like; when yield increase is promoted, growth quality of the peppers can be further guaranteed; and no harm on soil is caused, so that the greenagriculture purpose is achieved.