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

The invention discloses a soil melioration matrix prepared from garden waste and a preparation method of the soil melioration matrix. The soil melioration matrix comprises the following components in parts by weight: 0.05-0.08 part of garden waste subjected to fermentation treatment by a microorganism bacterium agent, 0.01-0.03 part of natural mineral and 0.005-0.01 part of polymaleic anhydride. According to the invention, the soil melioration matrix is added to saline soil, so that the physicochemical property of soil can be improved, the porosity is increased, the permeability is strengthened, the soil structure is improved, and the salt-obstruction and fertilizer conservation effects are remarkable.

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.

The invention discloses a four-mechanical-arm climbing type line inspection robot mechanical structure. The distances between two opposite mechanical arms in a four-mechanical-arm group in the direction perpendicular to the extending direction of cables can be adjusted by a width adjusting mechanism, in this way, the distance adjustment between the two cables can be well adapted, and the cables are prevented from bearing too large tension or tensioning force; meanwhile, two mechanical arms in the four-mechanical-arm group are arranged in a swinging manner; therefore, the tightness support adjustment of the two mechanical arms on the cables can be realized through the swinging of the two mechanical arms; the stress of all line rollers is consistent; meanwhile, each line roller is provided with a width detection mechanism for detecting the widths of the two cables and a supporting detection mechanism for detecting the support force of the cables on the line roller. The controller can conduct feedback adjustment on the spatial positions of the four-mechanical-arm group according to the width detection mechanisms and the supporting detection mechanisms, automatic adjustment and controlover the robot are achieved, and the operation stability is guaranteed.

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 relates to an offshore wind power collection system optimal design method considering electromagnetic environment constraint. The method comprises the steps that (1) according to wind power plant fan coordinates, submarine cables and electrical equipment data, partitioned optimization is performed on a collection system; (2) the topological structure of the collection system after partitioned optimization is optimized, full-life-cycle cost C is used as an objective function of an optimization model, magnetic field limitation conditions are set for constraint, and multiple alternative optimization schemes are acquired; and (3) an electromagnetic pollution overall range of the collection system under each alternative optimization scheme and different constraint gradients is calculated, multi-party gaming assessment is performed on the multiple alternative optimization schemes, and an optimal scheme is obtained finally. Compared with the prior art, the method has the advantage of realizing an optimal plan with economy, environmental friendliness and reliability.

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 provides a new energy solar photovoltaic power generation panel with a protective device, which relates to the technical field of the new energy solar photovoltaic power generation panel. The new energy solar photovoltaic power generation panel with the protective device, includes the base, a level gauge is fixedly installed in front of the base, a threaded through hole is arranged near the edge of the base, a side plate is fixedly installed on both sides of the base, an electric telescopic device is fixedly installed on the top of the base, an expansion rod is fixedly installedon the top of the electric telescopic device, a lifting plate is fixedly installed on the top of the expansion rod, and a first wheel rod and a second wheel rod are fixedly installed on both sides ofthe lifting plate. The new energy solar photovoltaic power generation panel with the protective device can make the sliding cover open and close smoothly when the sliding cover slides in the groove ofthe inner wall of the side plate through the side pulley and the bottom pulley of the groove of the inner wall of the side plate, and when the sliding cover is closed, the magnetic suction strip canmake the sliding cover close completely.

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 relates to a preparation method of a lyophobic cotton fabric. The preparation method comprises the following step: soaking a cotton fabric into water, putting ferrite into the water to react for 1-20 minutes, further adding plant polyphenol into the mixture, performing a reaction for 15-320 minutes under a condition that the pH value is 3-10, thereby obtaining the lyophobic cotton fabric. The invention further provides the lyophobic cotton fabric made by using the preparation method. The invention further discloses application of the lyophobic cotton fabric made by using the preparation method in oil-water separation. The method provided by the invention is simple, environmentally friendly and efficient and gentle in reaction conditions, and the prepared lyophobic cotton fabric has a stable lyophobic property in various environments, and can be applied to the field of oil-water separation.

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 discloses a novel magnetic iron / lanthanum composite arsenic removal adsorbing material and a preparation method thereof. The composite adsorbing material is prepared by the steps: by taking a ferric iron salt, a trivalent lanthanum salt and a ligand terephthalic acid as a precursor and taking N,N-dimethyl formamide (DMF) as a medium solvent, carrying out a solvothermal reaction to obtain a bimetallic-organic framework material; and calcining the coordination product in an air atmosphere to further obtain the composite magnetic adsorbent composed of ferric oxide (Fe2O3) and lanthanum oxide carbonate (La2O2CO3).The composite magnetic adsorbent synthesized in the invention can effectively utilize strong adsorption property of lanthanum on arsenate and utilize magnetic separationperformance of the ferric oxide, and more importantly has outstanding advantages of being easy to recover, recyclable and the like. The novel magnetic iron / lanthanum composite arsenic removal adsorbing material disclosed by the invention provides a selection for removing arsenic and other heavy metals in drinking water, domestic sewage and industrial wastewater and has important actual application value.

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 discloses a ferro-manganese double metal oxide modified bio-carbon photo-Fenton composite material and a preparation method thereof. The composite material comprises bio-carbon and ferro-manganese double metal oxide attached to the bio-carbon, wherein the ferro-manganese double metal oxide is a mixture of iron oxide and manganese oxide; the iron oxide comprises Fe3O4 and Fe2O3; and the manganese oxide comprises Mn3O4 and Mn2O3. The preparation method comprises the steps of preparing a ferro-manganese double metal oxide modified bio-carbon precursor and calcining the ferro-manganese double metal oxide modified bio-carbon precursor. The composite material takes the bio-carbon as a main body material and the ferro-manganese double metal oxide as a modification material, combinesthe advantages of the bio-carbon and the ferro-manganese double metal oxide, has the advantages of excellent catalytic performance, high stability, high recoverability, low cost, environmental friendliness and the like, and has a good degradation effect on polycyclic aromatic hydrocarbon in water. The preparation method has the advantages of mild reaction condition, simple operation flow, environmental friendliness and the like, and can be applied to large-scale production and preparation.

The invention relates to water-free laundry detergent. The appearance of the water-free laundry detergent is powder, and the powder is mixed with water to obtain traditional laundry detergent. The water-free laundry detergent is prepared from the following components in parts by weight: 60-90 parts of anionic surfactants, 3-10 parts of nonionic surfactants, 10-30 parts of auxiliaries, 0.1-0.5 part of liquid complex enzyme and 0.1-0.5 part of essence. The powder is mixed with water to obtain the laundry detergent, pH is neutral and mild, the dissolution is quickly and completely carried out, dissolved liquid is limpid and transparent, and the washed fabric is soft and free of residues; and therefore, the laundry detergent has all advantages of the traditional detergent; meanwhile, the laundry detergent is saving in packaging materials, low in production and transportation cost, and convenient and easy to carry.

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 recycled self-compacting concrete and a preparation method thereof. The recycled self-compacting concrete comprises the following components in parts by weight: 220 to 260 parts of cement, 160 to 190 parts of water, 780 to 800 parts of broken stone, 150 to 158 parts of a recycled material, 80 to 85 parts of mineral powder, 10 to 14 parts of an expanding agent, 720 to 750 parts of sand, 3 to 7 parts of a water reducer, 2 to 10 parts of a viscosity modifier and 110 to 117 parts of coal ash; and the recycled material comprises the following components in parts by weight: 20 to 40 parts of iron tailings, 10 to 20 parts of building waste and 20 to 30 parts of steel slag powder. The recycled self-compacting concrete disclosed by the invention has the advantages of high flowing property, filling property and segregation resistance, and the wastes of steel slag and iron tailings are utilized sufficiently.

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 discloses a preparation method of full-bio-based non-isocyanate polyurethane capable of being recycled and reprocessed. The non-isocyanate polyurethane is obtained by carrying out curing reaction on grease-based cyclic carbonate and bio-based amine containing a rigid structure, and a catalyst and high-toxicity isocyanate are not needed in the reaction process. The prepared material has excellent properties of self-repairing, recycling and reprocessing, high biocompatibility, high mechanical strength and the like. The problem that existing polyurethane uses high-toxicity isocyanate is effectively solved, a bio-based raw material is used for replacing a petrochemical product, the green sustainability of the material is further improved, the recycling and reprocessing capacity enables the damaged material to be reused, and therefore more excellent economic benefits are achieved; the material has a wide development prospect in replacing the existing polyurethane material.

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 inorganic-cellulose composite carbon aerogel and a preparation method thereof. The inorganic-cellulose composite carbon aerogel is prepared by carbonizing modified cellulose aerogel in the presence of an inert gas, and by implementing a hydrothermal synthesis method with a mixed liquid with transition metals. The inorganic-cellulose composite carbon aerogel disclosed by theinvention has the characteristics of no toxicity, a 3D network structure, a high specific surface area, rich porosity, rich reaction sites, good conductivity, and the like, in addition has certain mechanical strength, and can be applied to fields such as electrode materials for energy storage, electric catalysts, photocatalyst, multi-phase catalysts, adsorption and water treatment.

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.

This invention provides a pig feed used for growing and fattening periods, as well as processing method thereof, and relates to the technical filed of pig feeds. The pig feed used for the growing and fattening periods is mainly prepared from the following raw materials: corns, wheat bran, peanut meal, middlings, rice bran, hawthorn fruit wine, pomelo peel, citrus peel, and a functional composition; and the functional composition is a Chinese herbal medicine formula capable of improving immunity, stimulating appetite and promoting healthy growth of the pigs. The invention further provides a processing method of the pig feed. The processing method of the pig feed comprises the following steps: a, preparing a mixed refined feed; b, preparing fruit peel paste; and c, preparing the pig feed. No harmful substances are added into the feed from the formula to the production processes. The prepared feed is capable of providing adequate energy to the pigs in the fattening period; moreover, the feed is capable of promoting food intake of the pigs, enhancing immunity of the pigs, reducing disease rate, and preventing the pigs in the fattening period from blind weight gaining. Thus, the feed is capable of ensuring effective fattening of the pigs in healthy and safe environment, so that the pigs fed with the feed is green and safe in meat qualities and low in feed conversion rate. The processing cycles of the feed are green and environment-friendly, so that the concept of sustainable development is met. The pig feed and the processing method thereof are worthy of promotion.

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.