141results about How to "Energy saving and environmental protection in the production process" patented technology

The invention aims to provide high-temperature resistant flame-retarding textile. The high-temperature resistant flame-retarding textile is weaved by high-temperature resistant flame-retarding yarns, and the high-temperature resistant flame-retarding yarns are blended with preoxidized fibers, high tenacity flame-retarding fibers and common flame-retarding fibers; and conducting fibers can also be used to weave the high-temperature resistant flame-retarding textile when the high-temperature resistant flame-retarding textile is prepared. The high-temperature resistant flame-retarding textile overcomes the drawback that the preoxidized fiber is difficultly spun, low in tenacity and only has single color of blackness; and the high-temperature resistant flame-retarding textile also has the advantages of high high-temperature resistance, high tenacity, good wearing comfortability, rich color, proper price and safety and reliability for the human body and is reasonable high-temperature resistant flame-retarding textile.

The invention discloses a prefabricated bamboo composite pipe gallery, which is formed by connecting a plurality of prefabricated pipe joints, wherein each pipe joint comprises a pipe body, a force bearing mechanism, vertical supporting beams, a horizontal supporting beam and pipeline supports; the pipe body radially comprises a liner layer, a structure layer and an outer protection layer from inside to outside in sequence; the liner layer comprises flame-retarded resin and flame-retarded fabrics; the structure layer at least comprises a plurality of bamboo skin layers which are bonded with water soluble resin; the outer protection layer at least comprises flame-retarded resin; and the force bearing mechanism is fixed to the inner surface of the pipe body. The invention also discloses a method of manufacturing the prefabricated bamboo composite pipe gallery. The method comprises the manufacturing of the pipe body. The preparation method of the pipe body comprises the steps: (1) the liner layer is manufactured; (2) the structure layer is manufactured; and (3) the outer protection layer is manufactured. According to the invention, bamboo is utilized to manufacture a prefabricated pipe gallery, so that the intensity is good, the weight is light, the cost is low, the impermeability is good, the antiknock characteristic is strong, the construction is convenient, and the technical problems that the existing comprehensive pipe gallery consumes too many materials, the construction project amount is large, the construction period is long and the construction cost is high are solved.

The invention relates to the deep processing of deep-sea cod, specifically a method for extracting collagen small peptide freeze-dried powder from deep-sea cod skin, comprising the following steps: 1) pre-treating deep-sea cod skin: soaking the fresh or frozen cod skin, decomposing into fluid for reservation; 2) biological enzymolysis; 3) separating and purifying protein small peptide; 4) freezing and drying to get the collagen small peptide freeze-dried powder extracted from deep-sea cod skin. The invention provides a wider use range for the biological protein in waste cod skin.

The present invention relates to a special fertilizer for a charry releasing earthpea, which is characterized in that: the fertilizer comprises earthpea core grain carbon grain, ammonium sulphate, ammonium phosphate, zinc sulfate, kalium sulphate, potassium chlordide and borax. The present invention also relates to the produce method for the special fertilizer for a charry releasing earthpea. The method is to use the character of the earthpea core grain carbon grain with multi-micro hole and strong absorbing ability combined with nitrogen, phosphor, kalium and the other nutrition components required by the growth of the earthpea, and then uses a moist soil or clay as the cement compound to prepare the grain-shaped special fertilizer for a charry releasing earthpea. The preparation process for the fertilizer is simple, economical and environment-protective with one-off use; the fertilizer can satisfy the requirement of the nutrient for the whole growth period for the earthpea effectively; the utilization ratio of the fertilizer is higher with saving the energy and the cost; the fertilizer is adaptable to be widely popularized in the large-scale production for the earthpea.

The invention discloses a special sustained-release fertilizer for watermelons by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from corn cob, peanut hulls, rice hulls, edible fungus substrate and other agricultural waste biomasses is used as a matrix material, and is compounded with nitrogen, phosphor, potassium and other nutritional elements which are necessary to growth and development of watermelon by utilizing the microporosity and strong adsorptivity of the granular carbon to prepare the granular-biomass-carbon-based special sustained-release fertilizer for the watermelons. The biomass granular carbon used in the invention is black biomass granular carbon particles formed after agriculture waste biomass is incompletely combusted in a low-oxygen condition, has multiple properties similar to soil humus, has strong capacities of adsorbing and maintaining nutrition and moisture, and can be used for stimulating crop growth with good sustained release performance to nitrogen, phosphor and potassium, so that the requirement of watermelons for nutritions in the whole growing period can be effectively supplied when the prepared sustained release fertilizer is applied once. Furthermore, the fertilizer has the characteristics of increasing the soil productivity, improving the soil structure along with high efficiency and environmental friendliness and the like, and is advantageous to large-scale popularization and application in watermelon production.

The invention discloses a special slow-release fertilizer taking biomass granular carbon as a matrix for tea trees and a preparation method thereof. Granular carbon prepared from agricultural abandoned biomass such as corncobs, peanut shells, rice husks and edible mushroom matrixes, taken as a matrix material, is compounded with nitrogen, phosphorus, potassium and other nutrient elements essential to the growth and development of the tea trees by utilizing the microporous character and strong adsorption capacity of the granular carbon, so that the special slow-release fertilizer taking the biomass granular carbon as the matrix for the tea trees is prepared. According to the invention, the biomass granular carbon is black biomass granular carbon particles formed after incomplete combustion of the agricultural abandoned biomass under a hypoxic condition, has various properties similar to those of soil humus, is very strong in capacity of adsorbing and maintaining nutrients and moisture, and furthermore, and has an effect of stimulating the growth of crops and a good slow-release performance for the nitrogen, phosphorus and potassium; the slow-release fertilizer prepared in such a way can effectively meet the requirements of the tea trees for nutrients in the whole growth period after being applied once; and in addition, the special slow-release fertilizer has the characteristics of enhancing the soil fertility, improving the soil structure, being efficient and environmentally-friendly, and the like, thereby being beneficial to large-scale popularization and application in tea tree production.

The invention discloses a special slow-release fertilizer taking biomass granular charcoal as a matrix for hot pepper and a preparation method for the same. The preparation method comprises the following steps of: taking the granular charcoal which is prepared from the agricultural waste biomasses of corncobs, peanut shells, rice hulls, edible fungi matrix and the like as a matrix material, compounding the matrix material with nitrogen, phosphorus, potassium and other nutrient elements which are necessary to the growth and development of hot pepper by virtue of the microporous property and the strong adsorption capacity of the matrix material, and then preparing the granular biomass charcoal-matrix special slow-release fertilizer for hot pepper. The biomass granular charcoal used in the preparation method disclosed by the invention is the black biomass granular charcoal granules formed by the agricultural waste biomasses after incomplete combustion in a low-oxygen condition, has various characteristics similar to the characteristics of soil humus, as well as is very strong in the capacities of adsorbing and keeping nutrients and water, capable of stimulating the growth of crops, and good in slow-release performance for nitrogen, phosphorus and potassium; and the slow-release fertilizer prepared from the biomass granular charcoal can effectively meet the need of hot pepper to nutrients in the whole growing period in case of being applied once, and has the characteristics of enhancing soil fertility, improving soil structure, being efficient and environment-friendly and the like, thus being beneficial to large-scale popularization and application in production for hot pepper.

The invention discloses a preparation method of a high-temperature-resistant polyimide film. Polyimide is prepared from aromatic dianhydride, aromatic diamine and hydrophobic modified silicon dioxideor aluminum oxide nanometer particles through compounding. The uniform scattering of nanometer particles in the polyimide can be realized through hydrophobic modification. The obtained polyimide filmhas the advantages of high thermal stability, low linear thermal expansion coefficient and excellent mechanical performance. The process is simple; the energy is saved; the environmental-friendly effect is achieved; the economic benefits are high.

The invention discloses a special slow-release fertilizer taking biomass granular carbon as a matrix for apples and a preparation method thereof. Granular carbon prepared from agricultural abandoned biomass such as corncobs, peanut shells, rice husks and edible mushroom matrixes, taken as a matrix material, is compounded with nitrogen, phosphorus, potassium and other nutrient elements essential to the growth and development of the apples by utilizing the microporous character and strong adsorption capacity of the granular carbon, so that the special slow-release fertilizer taking the biomass granular carbon as the matrix for the apples is prepared. According to the invention, the biomass granular carbon is black biomass granular carbon particles formed after incomplete combustion of the agricultural abandoned biomass under a hypoxic condition, has various properties similar to those of soil humus, is very strong in capacity of adsorbing and maintaining nutrients and moisture, and furthermore, and has an effect of stimulating the growth of crops and a good slow-release performance for the nitrogen, phosphorus and potassium; the slow-release fertilizer prepared in such a way can effectively meet the requirements of the apples for nutrients in the whole growth period after being applied once; and in addition, the special slow-release fertilizer has the characteristics of enhancing the soil fertility, improving the soil structure, being efficient and environmentally-friendly, and the like, thereby being beneficial to large-scale popularization and application in apple production.

The invention discloses a slow release fertilizer special for sweet potatoes by using biomass granular carbon as a matrix and a preparation method for the slow release fertilizer. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls and edible fungi matrix are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based slow release fertilizer special for the sweet potatoes is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the sweet potatoes.. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the sweet potatoes for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil and realizing high efficiency and environment friendliness, and is beneficial to large-scale popularization and application in the production of the sweet potatoes.

The invention discloses a special controlled-release fertilizer for strawberry taking biomass granulated carbon as a matrix and a preparation method thereof. The granulated carbon prepared from the agricultural waste biomass such as corncob, peanut shell, rice hull, edible mushroom matrix and the like are used as the matrix material which is compounded with the necessary nitrogen, phosphorus, potassium and other nutrient elements for the strawberry growth by use of the multiple micropores and strong adsorption ability to obtain the granulated biomass carbon-based special controlled-release fertilizer for strawberry. In the invention, the biomass granulated carbon is the black biomass granulated carbon particles obtained by the incomplete combustion of the agricultural waste biomass under the low-oxygen condition, and has multiple characteristics similar to soil humus and strong adsorption and nutrient / moisture retaining abilities; and moreover, the biomass granulated carbon also can stimulate the crop growth, and has good controlled-release performance for nitrogen, phosphorus and potassium. The controlled-release fertilizer prepared from the biomass granulated carbon can effectively supply the nutrients required by the strawberry in the whole growth period by once application; and moreover, the controlled-release fertilizer has the characteristics of high efficiency, environmental protection and the like, enhances the soil fertility, improves the soil structure, and is favorable for large-scale popularization and application in the strawberry production.

The invention discloses a cabbage special use slow release fertilizer using biomass carbon granules as matrixes and a preparation method of the slow release fertilizer. The carbon granules prepared by agricultural waste biomass of corncobs, peanut shells, rice hulls, edible mushroom matrixes and the like are used as matrix materials, and by means of multiple micropores and high adsorption capacity of the carbon granules, the carbon granules are composite with nitrogen, phosphori, potassium and other nutrient elements which are required for growth and development of cabbage to prepare the granular biomass carbon matrix cabbage special use slow release fertilizer. According to the cabbage special use slow release fertilizer using the biomass carbon granules as the matrixes and the preparation method of the slow release fertilizer, the biomass carbon granules are black biomass carbon granules which are formed by incomplete combustion of the agricultural waste biomass under a low-oxygen condition so that the biomass carbon granules have a plurality of characteristics which are similar to those of soil humus and are high in capabilities of absorbing and keeping nutrients and water, the biomass carbon granules are capable of stimulating crop growth and good in slow release performances of the nitrogen, the phosphori and the potassium, and the prepared slow release fertilizer can effectively provide nutrients required in the whole growth period of the cabbage by one-time application and has the advantages of being efficient, environment-friendly, capable of increasing soil fertility and improving soil structures and beneficial to large-scale popularization and application in production of the cabbage.

The invention discloses a special eggplant slow-release fertilizer using biomass granular carbon as a matrix and a preparation method thereof. By using micropores and strong adsorption capacity of the granular carbon prepared from corn cob, peanut shell, rice hull, edible fungus matrix and other agricultural waste biomass used as the matrix material, the matrix material is compounded with nitrogen, phosphorus, potassium and other nutrient elements which are necessary for growth and development of eggplants to prepare the special eggplant slow-release fertilizer based on granular biomass carbon. The biomass granular carbon used in the invention is black biomass granular carbon formed by incomplete combustion of agricultural waste biomass under low-oxygen conditions, and has multiple characteristics similar to soil humus; and the biomass granular carbon has strong capability for adsorbing and keeping nutrients and moisture, can stimulate plant growth, and has favorable slow release property for nitrogen, phosphorus and potassium. The slow-release fertilizer can effectively supply nutrients required by the eggplants in the whole growth period after being applied once; and the slow-release fertilizer can increase the soil fertility and improve the soil structure, has the characteristics of high efficiency, environmental protection and the like, and is beneficial to large-scale popularization in eggplant production.

The invention discloses a special slow release fertilizer for tobacco by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls, edible fungi matrix and the like are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based special slow release fertilizer for the tobacco is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the tobacco. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the tobacco for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil, realizing high efficiency and environment friendliness and the like, and is beneficial to large-scale popularization and application in the production of the tobacco.

The present invention relates to a special fertilizer for a charry releasing soybean, which is characterized in that: the fertilizer comprises earthpea core grain carbon grain, ammonium phosphate, zinc sulfate, kalium sulphate as well as one or more than one types amongcarbamide, ammonium sulphate, borax and molybdenum. The present invention also relates to the produce method for the special fertilizer for a charry releasing soybean. The method is to use the character of the earthpea core grain carbon grain with multi-micro hole and strong absorbing ability combined with nitrogen, phosphor, kalium and the other nutrition components required by the growth of the soybean, and then uses a moist soil or clay as the cement compound to prepare the grain-shaped special fertilizer for a charry releasing soybean. The preparation process for the fertilizer is simple, economical and environment-protective with one-off use; the fertilizer can satisfy the requirement of the nutrient for the whole growth period for the soybean effectively; the utilization ratio of the fertilizer is higher with saving the energy and the cost; the fertilizer is adaptable to be widely popularized in the large-scale production for the soybean.

The invention relates to the field of the synthesis of composite materials, and provides an in-situ preparation method of a three-dimensional conductive MOF@MXene composite electrode in order to solvethe problem of poor conductivity of MOFs, which comprises the following steps: adding MAX phase powder into an HF solution, etching for 5-24 hours, centrifugally washing with deionized water until the pH value of the upper solution is 6-7, and carrying out vacuum drying to obtain multilayer MXene powder; uniformly dispersing the powder in the deionized water, adding chloroacetic acid, stirring atroom temperature, adding a NaOH solution, carrying out stirring reaction for 1-12 hours, carrying out centrifugal washing, and carrying out vacuum drying to obtain MXene-COOH powder; dispersing the powder into the deionized water, adding a metal salt, a ligand and ammonia water in order, carrying out air-blowing stirring reaction at 50-70 DEG C, and finally, carrying out centrifugal washing and drying to obtain the three-dimensional conductive MOF@MXene composite powder. The method is efficient and stable in process and simple in process, the prepared composite powder can serve as a super-capacitor electrode material, and the stable and efficient energy storage is achieved.

The invention discloses a special sustained-release fertilizer for yam by using biomass granular carbon as matrix and a preparation method thereof. Granular carbon prepared from corn cob, peanut hulls, rice hulls, edible fungus substrate and other agricultural waste biomasses is used as a matrix material, and is compounded with nitrogen, phosphor, potassium and other nutritional elements which are necessary to growth and development of yam by utilizing the microporosity and strong adsorptivity of the granular carbon to prepare the granular-biomass-carbon-based special sustained-release fertilizer for yam. The biomass granular carbon used in the invention is black biomass granular carbon particles formed after agriculture waste biomass is incompletely combusted in a low-oxygen condition, has multiple properties similar to soil humus, has strong capacities of adsorbing and maintaining nutrition and moisture, and can be used for stimulating crop growth with good sustained release performance to nitrogen, phosphor and potassium, so that the requirement of yam for nutritions in the whole growing period can be effectively supplied when the prepared sustained release fertilizer is applied once. Furthermore, the fertilizer has the characteristics of increasing the soil productivity, improving the soil structure along with high efficiency and environmental friendliness, and the like, and is advantageous to large-scale popularization and application in yam production.

The invention discloses a method for separating catalpol from fresh rehmannia root, which includes pulverizing and homogenizing fresh rehmannia root to obtain catalpol-containing sample solution; separating macroporous absorption resin; and performing chromatography with a silica gel column or re-crystallizing. The method maximally separates the catalpol from saccharide component in the rehmannia root to clear away obstacles for the preparation of high purity catalpol. The method has high production capability of the high purity catalpol of up to 100 kg catalpol / year, energy saving effect, environmental friendliness, and low production cost, and provides raw material guarantee for research, drug development, and health product development.

The invention discloses a method for preparing high-magnetic induction and high-strength non-oriented silicon steel based on thin strip continuous casting, and belongs to the technical field of metallurgy. The method comprises the following steps: (1) molten steel is smelted according to set components, and comprises the following components in percentage by weight: 0.001-0.005% of C, 2.4-3.5% of Si, 0.2-2% of Mn, 0.35-1.0% of Alt, 0.4-3% of Ni, 0.5-4% of Cr, 0.02-0.2% of Sn, O not more than 0.005%, S not more than 0.005%, N not more than 0.005%, P not more than 0.005%, and the balance of Fe; (2) the molten steel is cast in a double-roller thin strip continuous casting device for continuous casting; (3) a cast strip is secondarily cooled to reach room temperature, and is hotly rolled by singly gate; (4) the cold rolling is performed after acid washing; and (5) finally, the annealing treatment is performed; an insulation coating layer is coated online; and the winding is performed at last. The method can exert inherent advantages of thin strip continuous casting to the greatest extent, improves the magnetic performance and the mechanical performance of thin strip continuous casting electrical steel products, and is simple in preparation, environment-friendly and energy-saved in production process, low in investment cost and high in production efficiency.

The invention relates to a sustained-release fertilizer taking biomass granular carbon as a matrix and specially used for melon and a preparation method of the fertilizer. The method comprises the following step of: compounding granular carbon which is prepared from agricultural and forestry waste biomass such as corncob, peanut shells, rice husks and an edible fungus matrix and is taken as a matrix material with nitrogen, phosphorus, potassium and other nutrient elements which are necessary to the growth and development of the melon by using the multiple micropores and high adsorption capacity of the granular carbon and using bentonite or clay as a binder to prepare a granular biomass carbon-based sustained-release fertilizer special for the melon. The biomass granular carbon is black carbon powder granules (carbon black) formed after the biomass is subjected to incomplete combustion under the anoxic condition, has multiple characteristics similar to those of soil humus (humic acid), is high in nutrient and water adsorbing and retaining capacity, can stimulate crop growth, and is high in nitrogen, phosphorus and potassium sustained-release performance, so that the sustained-release fertilizer prepared from the biomass granular carbon can meet the requirement in the whole growth and development period of the melon after being applied at one time, has the characteristics of increasing soil fertility, improving a soil structure, achieving high efficiency and environment friendliness, and the like, and is wide in application prospect.

The invention discloses polyimide with novel structure and a preparation method of a transparent polyimide film. The method comprises the steps: a, mixing a fluorine-containing aromatic diamine monomer with alicyclic diamine in a molar ratio of 1-10:1 to form mixed diamine under the protection of nitrogen or argon; dissolving the mixed diamine into a polar solvent; completely dissolving under a constant temperature and adding ether-containing aromatic dianhydride; adding an end-capping reagent to synthesize a fluorine-containing polyamide acid of which the molecular weight is 20000-10<6>; b, adding a catalyst and a dewatering agent to fluorine-containing polyamide acid solution, wherein the catalyst is a mixture prepared from pyridine and triethylamine; reacting for 24 hours at a constant temperature, and washing by using excessive amount of organic solvent to produce fluorine-containing polyamide powder; c, drying the polyamide powder at the temperature of 60 DEG C, and dissolving into a polar solvent to obtain the fluorine-containing polyamide acid solution of which the solid content is 40-60 percent. The polyimide is simple in process, energy-saving, environment-friendly and high in economic benefit.

The invention discloses a slow-release fertilizer special for a lotus root using biomass particle carbon as a matrix and a preparation method thereof. The particle carbon prepared by agricultural waste biomass such as corn cobs, peanut hulls, rice husks and edible fungus matrixes is the matrix material; the particle carbon is compounded with nitrogen, phosphorus, potassium and other nutrient elements which are needed by the growth of lotus roots through plurality of micropores and strong capacity of the particle carbon, so that the granular biomass carbon-based slow-release fertilizer special for the lotus root is prepared. The biomass particle carbon used by the slow-release fertilizer is black biomass particle carbon particles which are generated by incompletely burning the agricultural waste biomass under a low oxygen condition; the biomass particle carbon has a plurality of features similar to the features of soil humus, strong capacities of absorbing and maintaining nutrients and water, and good slow-release performance for nitrogen, phosphorus and potassium, and also can stimulate the growth of crops; the slow-release fertilizer prepared in such way is fertilized once, the nutrients required by lotus roots in the whole growth phase can be effectively supplied; and the slow-release fertilizer has the characteristics of increasing soil fertility, improving soil structure, efficiency, environment protection and the like, and is in favor of being large-scale popularized and applied in lotus root production.

The invention discloses a special slow release fertilizer for a lawn using biomass granular carbon as a substrate and a preparation method thereof. Granular carbon prepared from corn cobs, peanut shells, rice hulls, edible fungus substrates and other agricultural waste biomass is used as the substrate material; and through the microporosity and the high adsorptive capacity, the substrate material is compounded with nitrogen, phosphorus, potassium and other nutrient elements necessary for the growth and development of the lawn, thus preparing the granular biomass carbon-based special slow release fertilizer for the lawn. The biomass granular carbon used in the invention is a black biomass granular carbon granule formed by the incomplete combustion of agricultural waste biomass under a low-oxygen condition, has multiple features similar to soil humus, has a high capability of adsorbing and keeping nutrient and moisture, can stimulate the growth of crops, and has favorable nitrogen / phosphorus / potassium slow release performance. When being applied once, the slow release fertilizer prepared from the biomass granular carbon can effectively supply the nutrient required by the lawn for the whole growth period, has the characteristics of soil productivity increasing, soil structure improving, high efficiency, environment friendliness and the like, and is favorable for large-scale popularization and application in lawn culture.

The invention discloses a preparation method of polyimide. The method comprises the following steps: ensuring that dianhydride and diamine are reacted in an ionic liquid according to a molar ratio of1 to 1, mixing an obtained prepolymer solution with water-soluble acrylic resin and saturated polyester resin solution with the molar ratio of 2 to 1, ensuring that reaction is performed for 1 to 2h at 80 to 120 DEG C, feeding an organic solvent to perform backflow, mixing the obtained premixed solution with methanol or deionized water, precipitating, filtering and drying, and dissolving the obtained prepolymer powder into a polar solvent; curing the prepolymer glue solution on a flat plate, performing curing for 1h at 80 DEG C, performing curing for 2h at 100 DEG C, performing curing for 3h at 150 DEG C, performing curing for 2h at 200 DEG C, performing curing for 1h at 230 DEG C, and cooling the prepolymer glue solution to a room temperature so as to obtain a polyimide film. According tothe method, through the blending and curing of the prepolymer solution, the water-soluble acrylic resin and the saturated polyester resin solution, a polyimide material with good heat resistance andheat stability and small thermal expansion coefficient is obtained.

The invention discloses a special slow release fertilizer for tomato by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls, edible fungi matrix and the like are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based special slow release fertilizer for the tomato is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the tomato. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the tomato for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil, realizing high efficiency and environment friendliness and the like, and is beneficial to large-scale popularization and application in the production of the tomato.

The invention discloses a special slow-release fertilizer taking biomass granular carbon as a matrix for cherries and a preparation method thereof. Granular carbon prepared from agricultural abandoned biomass such as corncobs, peanut shells, rice husks and edible mushroom matrixes, taken as a matrix material, is compounded with nitrogen, phosphorus, potassium and other nutrient elements essential to the growth and development of the cherries by utilizing the microporous character and strong adsorption capacity of the granular carbon, so that the special slow-release fertilizer taking the biomass granular carbon as the matrix for the cherries is prepared. According to the invention, the biomass granular carbon is black biomass granular carbon particles formed after incomplete combustion of the agricultural abandoned biomass under a hypoxic condition, has various properties similar to those of soil humus, is very strong in capacity of adsorbing and maintaining nutrients and moisture, and furthermore, and has an effect of stimulating the growth of crops and a good slow-release performance for the nitrogen, phosphorus and potassium; the slow-release fertilizer prepared in such a way can effectively meet the requirements of the cherries for nutrients in the whole growth period after being applied once; and in addition, the special slow-release fertilizer has the characteristics of enhancing the soil fertility, improving the soil structure, being efficient and environmentally-friendly, and the like, thereby being beneficial to large-scale popularization and application in cherry production.

The invention relates to a method for preparing a phenol compound and a clean fuel oil from coal tar, and belongs to the fields of coal chemical industry and energy technology. The method is characterized by comprising the following steps of: separating the coal tar into a light oil and a tower-bottom heavy oil in the manner of catalyst distillation; performing delay coking on the tower-bottom heavy oil; mixing the tower-bottom heavy oil with the coal tar and distilling again; performing alkaline cleaning on the light oil and filtering, thereby obtaining an alkaline phenol salt and the phenol-removed light oil; steaming and blowing the neutral phenol salt in a steaming and blowing kettle, thereby obtaining the clean phenol salt; decomposing the clean phenol salt by using a dilute sulphuric acid, thereby obtaining crude phenol; or respectively treating the crude phenol and sodium carbonate in a decomposition tower by adopting the continuous CO2 decomposition process; injecting the phenol-removed light oil into a reactive distillation tower filled with a molecular sieve / alumina catalyst and performing reactive distillation; directly leading the distillate oil after the reactive distillation into a hydrogenation refining tower of a hydrogenation reactor; and performing the hydrogenation refining, thereby obtaining the clean fuel oil. The phenol compound and the clean fuel oil with high additional values are produced by utilizing the coal tar, thereby providing a new way for the resource utilization of the coal tar. In addition, the method provided by the invention is good in economic benefits and industrial application prospects.

The invention discloses a special slow-release fertilizer for Chinese cabbage by taking biomass granular charcoal as matrix and a preparation method thereof. The method taking granular charcoal prepared from agricultural waste biomasses such as corn cob, peanut shell, rice husk and mushroom matrix as host materials comprises the steps of compounding the host materials with necessary nitrogen, phosphorous and potassium for growing development of the Chinese cabbage and other nutrient elements by utilizing the microporosity and strong adsorption capacity, so as to prepare the special slow-release fertilizer for granular biomass charcoal Chinese cabbage. The biomass granular charcoal used in the slow-release fertilizer is black biomass granular charcoal particles prepared from the agricultural waste biomasses which are incompletely burnt under a low-oxygen condition, has a plurality of characteristics similar to soil humus, strong capacities of adsorbing and maintaining nutrients and moisture, and good slow release performance on the nitrogen, phosphorus and potassium, and also can stimulate crop growth. Therefore, the prepared slow-release fertilizer can effectively supply the requirements of the Chinese cabbage on nutrients during the entire growing period after being applied once, and has the characteristics of increasing the soil fertility and improving the soil structure, and high efficiency and environmental protection; and large-scale promotion and application in production of the Chinese cabbage are facilitated.

The invention discloses a special slow release fertilizer for loquat by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls, edible fungi matrix and the like are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based special slow release fertilizer for the loquat is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the loquat. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the loquat for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil, realizing high efficiency and environment friendliness and the like, and is beneficial to large-scale popularization and application in the production of the loquat.

The invention discloses a special slow-release fertilizer for pineapples with biomass particle carbon as a matrix and a preparation method of the slow-release fertilizer. The particle carbon prepared from agricultural waste biomasses such as corncobs, peanut shells, rice husks and edible fungus matrixes is taken as the matrix material, and is compounded with nitrogen, phosphorus, potassium and other nutrient elements necessary for growth and development of the pineapples on the basis of micropores and high adsorption capacity of the particle carbon, thus obtaining the special slow-release fertilizer based on the granular biomass carbon for the pineapples. The biomass particle carbon adopted by the special slow-release fertilizer is black biomass carbon particles prepared from the agricultural waste biomasses which are incompletely combusted under a low-oxygen condition, has a plurality of characteristics similar to those of soil humus, has high capacities of adsorption and maintenance of nutrients and moisture, also can stimulate crop growth, and has good slow release performance to the nitrogen, phosphorus and potassium. The prepared slow-release fertilizer prepared from the biomass particle carbon can effectively supply nutrients required by the pineapples during an entire growth period after being applied once, and has the characteristics of improving land capability and a soil structure, being efficient and environment-friendly, and the like, thereby facilitating large-scale popularization and application of the fertilizer in production of the pineapples.