124results about How to "Guaranteed water retention" patented technology

It relates to a heat-generating composition having such dispersion stability that withstands continuous molding, and has excellent drainage property, excellent heat-generating characteristics, excellent molding property and excellent shape retaining property, without becoming viscous, and relates to a heat-generating body using the same and a process for producing the heat-generating body. It contains, as essential components, a heat-generating substance generating heat upon reaction with oxygen, a carbon component, an oxidation promoter and water, characterized in that the composition further contains a water separation-preventing stabilizer in a proportion of from 0.001 to 0.25 part by mass per 100 parts by mass of the heat-generating composition, and has a water mobility value of from 7 to 40 and a separation degree of from 0 to 30.

The invention belongs to the technical field of building materials, and particularly relates to an internal wall putty which comprises the following components in parts by weight: 150-300 parts of white cement, 500-900 parts of calcium carbonate powder, 10-50 parts of grey desert soil, 1-8 parts of cellulose ether, 7-30 parts of polymer latex powder, 1-10 parts of water repellent, 0.05-3 parts of starch ether and 0.5-7 parts of wood fiber. Compared with the prior art, the internal wall putty has the advantages that 107 glue water or 801 glue water is not used, thus formaldehyde is not contained, the environment is protected; and pregelatinized starch is not used, and the water repellent is added, thus the internal wall putty has the function of preventing water and moisture. In addition, with the white cement and the calcium carbonate powder as the strength basis and the grey desert soil as an auxiliary strength material, the strength of the internal wall putty is ensured; due to the synergistic effect of the cellulose ether and the starch ether, the water-retaining property and the application property of the internal wall putty are ensured; and because the polymer latex powder is added, the flexibility of the internal wall putty and the adhesion of the polymer latex powder and the wall are improved.

The invention provides a set-retarding type long-distance pumping type concrete prepared by waste slag of subway projects and application, and belongs to the field of concrete. The prepared concrete has the advantages that the density and fluidity are good, the extension and strength are high, the production cost is low, and the concrete is suitable for long-distance pumping. The set-retarding type long-distance pumping type concrete prepared by the waste slag of the subway projects comprises the following components in parts by weight: 260 to 300 parts of cement, 151 parts of water, 990 to 1010 parts of stone, 700 to 720 parts of stone chips, 50 to 80 parts of stone powder, 80 to 105 parts of ore powder, 85 to 100 parts of fly ash, 4.9 to 4.95 parts of set-retarding type polycarboxylate superplasticizer, 0.049 to 0.0495 part of starch ether, and 0.098 to 0.099 part of building glue 1093.

The invention discloses a multilayer plant-cultivating bag made of linen. The plant-cultivating bag is composed of three linen layers, the middle layer and the upper layer are sparse linen layers, and the bottom layer is a dense linen layer; the lower layer of matrixes inside the plant-cultivating bag is composed of adhesion agent, water-preserving agent, compound fertilizer, straw, seeds and mixed matrixes of soil, the lower layer of the matrix inside the plant-cultivating bag is called a matrix layer, and the upper layer is a soil layer with the thickness of 1-2cm, and the upper layer contains humus and is called the soil layer. According to the multilayer plant-cultivating bag made of linen, the grass seeds are mixed in the matrix layer inside the plant-cultivating bag, the germination percentage of the seeds is ensured, and meanwhile the seeds are more evenly distributed in the plant-cultivating bag. The plant-cultivating bag is easy to produce and manufacture and low in cost; the specification of the plant-cultivating bag and the grass seed matching proportion can be timely adjusted according to the side slope conditions on a site, practicability is high, and strong promotion and application value is achieved. Besides, the plant-cultivating bag overcomes the defects of an original plant-cultivating bag, meanwhile, the plant-cultivating bag is made of original-ecology material, and the secondary-pollution problem of the existing plant-cultivating bag is solved. The plant-cultivating bag has the advantages of preserving water and fertilizer and high in bud ratio.

The invention provides a process for preparing a water retention agent of fulvic acid. The process adopts acrylic acid / acrylamide, and inorganic mineral raw materials (such as attapulgite, swell soil, white sericite, kaolin and the like) as host crystals, uses aqueous solution of N, N-methylene-bisacrylamide as a cross linker, simultaneously is added with fulvic acid to be polymerized and prepared in aqueous phase condition. The invention adopts 1-10% of aqueous solution of N, N-methylene-bisacrylamide with low degree of cross linking as cross linker to be polymerized and prepared, has low consistency, is capable of directly spraying, and is convenient in use. owing to adding inorganic mineral raw materials of attapulgite and the like, the invention not only keeps the moisture retention of the water retention agent of the prior art, but also greatly reduces production costs, and owing to adding biochemistry fulvic acid, products are provided with biological nutrition and high fertilizer effect.

The invention provides an ecological restoration method for a geological collapse area. The ecological restoration method comprises the following steps that gangue is employed as fillers to fill into a collapse area and then the area is flattened by a bulldozer; the gangue layer is solidly pressed by a road roller; a soil coating layer is paved on the gangue layer; the soil coating layer is formed by 30 to 60wt% of sludge, 30 to 50wt% of gangue and 10 to 30wt% of coal ash; surface soil layer with thickness of 0.3 to 0.5cm is paved on the soil coating layer; the surface soil layer is formed by loess, coal ash, sludge, ureaformaldehyde, bacterial manure and polyacrylamide with proper proportions; and at last, Chinese pines, Populus davidiana and leguminosae trees are mixedly planted on the surface soil layer. By the use of the method, productivity of reconstructed soil can be restored and enhanced in short time, soil environment quality can be improved and soil ecological system can be restored; and the method is simple and easy to operate.

The invention discloses a slag powder-doped composition for preparing white facing as-cast finish concrete. The composition is characterized by consisting of the following components in parts by weight: 180-260 parts of cement, 85-110 parts of water, 330-390 parts of sand, 500-580 parts of stone, 2.0-4.0 parts of additive, 1 part of titanium dioxide and 20-60 parts of slag powder. In the composition disclosed by the invention, the proportion of the components is more scientific and reasonable, and the working performance meets the requirements on concrete pumping and pouring; and moreover, the bleeding and separation are avoided, the shrinkage is low, and the formed concrete is dense and has strong texture. With the formula, the large-flow regime white as-cast finish concrete has the advantages of good fluidity, good workability, good water-retaining property, low slump loss, strong pumpability and the like in concrete construction; and the strength of the formed concrete can be guaranteed, the surface gloss is good, and the chromatic aberration meets the requirement on the quality of the facing as-cast finish concrete.

The invention discloses a preparation method of rubber asphalt concrete. The preparation method comprises the following steps of: (I) sufficiently stirring and uniformly mixing portland cement, mineral powder fly ash, stainless steel powder and green mud at 180-190 DEG C; adding rubber asphalt; and stirring at 180-190 DEG C to obtain a mixture; (II) mixing limestone and blast furnace slag; calcining at 500-700 DEG C for 20-30 minutes; cooling; adding limestone and blast furnace slag into the mixture, and stirring at 180-190 DEG C for 4-8 minutes; adding water and high-calcium wastewater; and continuously stirring at 180-190 DEG C for 2-4 minutes to obtain a mixture; and (III) performing layered pouring of the mixture, vibrating and curing at 15-25 DEG C for 5-10day to obtain the rubber asphalt concrete. By adopting the preparation method disclosed by the invention, the compressive strength and crack resistance of the rubber asphalt concrete can be obviously enhanced.

The invention relates to a using method of cornstalks, in particular to a method for preparing fertilizer water-conserving blocks and medical dressings by using dried cornstalk cores. The method solves the problem that a method for using the dried cornstalk cores in fertilizer water conservation, soilless culture and medical dressings does not exist at present. The method for preparing fertilizerwater-conserving blocks and medical dressings by using dried cornstalk cores comprises the following steps of: a) preparing dried cornstalk cores; b) respectively preparing fertilizer absorbing solution and traditional Chinese medicine extract absorbing solution; and c) enabling the fertilizer absorbing solution to seep into the dried cornstalk cores to obtain the fertilizer water-conserving blocks; and enabling the traditional Chinese medicine extract absorbing solution to seep into the dried cornstalk cores to obtain the medical dressings. The method effectively solves the problem that the method for using the dried cornstalk cores in fertilizer water conservation, soilless culture and medical dressings does not exist at present, and is suitable for fertilizer water conservation and soilless culture in agriculture and forestry and the preparation of the medical dressings in the medical field.

The invention discloses a technology method of recuperated chicken breast through combination of vacuum with extrahigh-pressure preservation, and belongs to the field of processing of meat products. According to the technology method disclosed by the invention, the water retention rate and the cooking loss rate of the recuperated chicken meat are used as indexes, through single factor experiment and response surface experiment, rolling and kneading time, the addition quantity of water retaining agents, extrahigh-pressure time and pressure are optimized, and the optimum technological parametersare determined. Results indicate that the vacuum degree is 0.06Mpa, and when the rolling and kneading time is 30min, the rolling and kneading effect is the best. When the compounding ratio of preserving liquid is that sodium pyrophosphate is 0.2%, starch is 7% and sodium bicarbonate is 1.5%, water retention is the best. When extrahigh-pressure treatment time is 10min and treatment pressure is 200Mpa, the effect is the best.

The invention discloses a wood fiber production method, which comprises: S1, material selection; S2, skin removal; S3, water washing; S4, slicing; S5, pre-cooking; S6, pressurizing cooking; S7, grinding; S8, softening; S9, drying; S10, air selection; S11, nutrient solution spraying; and S12, packaging warehousing. According to the present invention, the wood fiber produced through material selection, skin removal, water washing, slicing, pre-cooking, pressurizing cooking, grinding, softening, drying, air selection, nutrient solution spraying, packaging warehousing and other steps can be well used in spray seeding technologies; the wood fiber produced by the method has good softness; and during the spray seeding, when the wood fiber, the water and the binder are mixed, the wood fiber has good water absorption, such that each wood fiber can absorb a large amount of water so as to achieve good water content.

The invention discloses a method for breeding basic seeds of potato by field transplanting of tissue culture seedlings on low-latitude plateau; the method comprises the steps of building a seedling raising pond, scientifically preparing a seedling culture medium, planting tissue culture seedlings, managing pesticides and fertilizers for raising the tissue culture seedlings, transplanting the tissue culture seedlings to a field, managing the field, preventing and controlling late blight, harvesting basic seeds and the like; According to the method, the seedling culture medium is scientificallyand reasonably prepared, and the growth conditions for seedling raising are scientifically and reasonably controlled, in combination with the growth characteristics of tissue culture seedlings of potato; transplanting planting with the medium is adopted, technical conditions such as planting time, seedling transplanting time, planting modes and the like are strictly controlled, and therefore, thesurvival rate of the seedlings is effectively increased, the growth vigor is improved, the defect and problem is solved that pre-basic seeds with tissue culture seedlings are bred before basic seeds are bred with the pre-basic seeds or that seed potatoes are bred in the field directly through tissue culture seedlings, the breeding efficiency of potato seeds is effectively improved, and the labor intensity, facility construction investment and production cost are reduced; and the method is a practical breeding technology of seed potatoes with simple operation procedure, labor saving and labor saving, and is suitable for popularization and application in high-altitude southwest mountainous areas.