139results about How to "Huge development potential" patented technology

The invention discloses nano intermetallic compound soldering paste and a preparation method thereof, belonging to the field of material technologies. The nano intermetallic compound soldering paste disclosed by the invention comprises the following materials in mass ratio: 80-90 of nano intermetallic compound particles, 2-8 of dispersant, 2-8 of binder, 2-8 of thinner and 2-8 of soldering flux. The specific method comprises the following steps of: preparing the nano intermetallic compound particles by using a co-precipitation hydrothermal reduction method; mixing the prepared nano intermetallic compound particles with the dispersant, the binder, the thinner and the soldering flux; uniformly dispersing the obtained mixture in an organic solvent by using an ultrasonic oscillation, manual stirring or mechanical stirring method; and volatilizing an excess solvent, so that the nano intermetallic compound soldering paste is prepared. The soldering paste takes nano intermetallic compound particles as solid components, and by using the size effect of nano materials, an interconnection process at a temperature lower than the melting point temperature of a block is realized, thereby avoiding the high-temperature damages to components, avoiding the overreaction of a connection interface, achieving an effect of long-term high-temperature serving, and reducing the packaging cost.

The invention relates to the technical field of biology and in particular relates to a specific target polypeptide self-assembled nanoparticle. The nanoparticle is prepared from a hydrophobic anti-tumor drug with a therapeutic dosage and an amphipathic polypeptide which covers the periphery of the hydrophobic anti-tumor drug through a self-assembling manner, wherein the amphipathic polypeptide is a target peptide which can be used for specifically targeting a epidermal growth factor receptor of a tumor cell; a terminal N of the target peptide is coupled with a hydrophobic functional molecule. After the nanoparticle targets the tumor cell, the target peptide is exposed; the nanoparticle targets the tumor cell and enters the tumor cell through receptor-mediated endocytosis, and the drug is released to inhibit DNA (Deoxyribonucleic Acid) synthesis and repairing; the nanoparticle has dual killing effects on the tumor cells and the growth of the tumor cell is inhibited. The amphipathic polypeptide does not generate a covalent bond in a self-assembling process and no reverse reaction is caused; the specific target polypeptide self-assembled nanoparticle is used for treating tumors and has the advantages of no toxin and good biocompatibility.

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 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 provides a new leptin protein and the DNA sequence of the code thereof. The new leptin protein comes from cold-adaption animals-mice and rabbit families in extreme cold environment pressure. The invention lays the foundation for the protection, development and utilization of the leptin proteins of mice and rabbit family materials with Chinese characteristics and for the application in biological engineering products of mice and rabbit families.

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 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 provides a production method of fortuneana wine. The production method comprises the following steps: sequentially performing impurity removal, washing, breaking, fermentation, mixing, refine precipitation and refine filtering on wild pyracantha fortuneana fruit which is used as a raw material, so as to finally obtain the finished product fortuneana wine. Compared with the prior art, vitamin C, ammonia acid, SOD (Superoxide Dismutase), VP and multiple vitamins of the wild fruit are maximally preserved and protected by virtue of a fortuneana wine production method, the novel fortuneana wine is successfully produced by adopting liquid, low-temperature and multi-time fermentation technology; moreover, the economic income of the fortuneana wine is high, and the social benefit is good.

The invention relates to aspergillus niger M03 and applications of the aspergillus niger in preparation of Pu'er tea theine through microbial conversion. The aspergillus niger M03 strain capable of realizing bioconversion for preparing Pu'er tea theine is separated from Pu'er ripe tea, is preserved in the China General Microbiological Culture Collection Center (CGMCC), is assigned with the accession number of CGMCC No.10930. According to the aspergillus niger M03 and the applications, the aspergillus niger M03 strain is taken as a fermenting strain, the piling solid fermentation is adopted, and the sun-withering crude tea leaves of Yunnan large-leaf tea are adopted as the raw material; or liquid fermentation is adopted, catechin compounds and theanine are adopted as substrates, piling solid fermentation and liquid fermatneion are carried out, and thus the Pu'er tea theine compounds are prepared. The aspergillus niger M03 can be used for specifically preparing the Pu'er tea theine compounds, has the advantages that the environment is protected, the operation is simple, and the popularization is convenient, and thus the application prospect is very good.

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.

A computer and mobile phone input method of Chinese character holographic code includes forming sound code by initial consonant and vowel of Chinese character and forming shape code by component and stroke as well as stroke form then carrying out full spelling and double spelling as well as triple spelling to form mixed input coding system without said shape code-said sound code switching-over to each other, enabling to use normal keyboard on computer or on mobile phone to input said holographic code.

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 novel radioactive 18F labeled amino acid derivatives, which are used in research on tumor positron emission tomography (PET) imaging. The derivatives are characterized in that one end of the derivatives is provided with F substituted alkoxy benzoyl structure, and the other end of the derivatives is provided with alpha-amino acid structure; substituent R1 is positioned on an alpha site of carboxyl group and is hydrogen, methyl group, ethyl group, propyl group, isopropyl group, butyl group, methylthio-ethyl group, methyl acetate group or propionate carbomethoxy group; R2 is methoxy group; and n is a number between 1 and 5. The R1 is hydrogen, methyl group, ethyl group, propyl group, isopropyl group, butyl group, methylthio-ethyl group, methyl acetate group or propionate carbomethoxy group; the R2 is hydrogen; and the n is a number between 1 and 5. Compounds improve fat solubility. Different amino acid structures are introduced into the structure, and F in the structure is 19F and 18F. Compared with the prior art, the 18F labeled amino acid derivatives provided by the invention have better discrimination degree of biological distribution, the potential of being used as a tumor imaging agent (particularly a brain tumor imaging agent), as well as the characteristics of simple preparation and high labeling rate. The R1 is hydrogen, methyl group, ethyl group, propyl group, isopropyl group, butyl group, methylthio-ethyl group, methyl acetate group or propionate carbomethoxy group; the R2 is methoxy group; and the n is a number between 1 and 5. The R1 is hydrogen, methyl group, ethyl group, propyl group, isopropyl group, butyl group, methylthio-ethyl group, methyl acetate group or propionate carbomethoxy group; the R2 is hydrogen; and the n is a number between 1 and 5.

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 relates to a hot melt adhesive, in particular to a modified polyurethane hot melt adhesive using plants as raw materials and a production process thereof. The modified polyurethane hot melt adhesive comprises the following components in percentage by mass: 20 to 50 percent of composite modified starch, 10 to 30 percent of vegetal tackifying resin, 2 to 10 percent of toughening agent, 5 to 20 percent of compatibilizer, 0.5 to 3 percent of ultraviolet stabilizer, 20 to 40 percent of polyurethane, and 0 to 3 percent of one or a composition of a coupling agent, an antioxidant and a slipping agent. The production process mainly comprises the following steps of: A, activating the composite modified starch; B, preparing a hot melt adhesive master batch; C, mixing and melting the hot melt adhesive master batch by an extrusion machine; and D, forming and packaging the hot melt adhesive. The production process is environmental-friendly and has no pollution to the natural environment.

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 provides a DNA nano flower-shaped composite structure as well as a preparation method and an application thereof. The DNA nano flower-shaped composite structure comprises a DNA nano flower-shaped structure formed by amplification of a single-stranded DNA template and an immunostimulatory nucleic acid fragment hybridized with the DNA nano flower-shaped structure, according to the invention, primers and template sequences are ingeniously designed, a rolling circle replication method is used for amplifying the template DNA to form a nano flower shape, creatively fuses a pH-responsive i-motif into a hybridization site to realize hybridization and acid response release of an immunostimulatory nucleic acid sequence, optimizes the reaction conditions, and finally successfully prepares the composite structure. The composite structure provided by the present invention can be used as a carrier for loading immune stimulating nucleic acid fragments to be efficiently transported inside immune cells, by responsively releasing the immune stimulating nucleic acid fragments, the immune cells can be activated, which provides a powerful novel adjuvant material for tumor immunotherapy, and has broad application prospects and market value.

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.

The invention discloses a citrus specialized slow release fertilizer using biomass granular carbon as a substrate and a preparation method of the citrus specialized slow release fertilizer. The granular carbon prepared by waste agricultural biomass of corn cobs, peanut shells, rice hulls, edible mushroom substrates and the like is used as a substrate material, and the granular carbon which is microporous and high in adsorption capacity is compounded with nitrogen, phosphori, potassium and other nutrient elements which are required for growth and development of citruses to be prepared into the granular biomass carbon based citrus specialized slow release fertilizer. According to the citrus specialized slow release fertilizer, the used biomass granular carbon is black biomass granular carbon granules formed by incomplete combustion of the waste agricultural biomass under the low oxygen condition, and the biomass granular carbon has multiple characteristics similar to soil humus and is high in capability of absorbing and keeping nutrient and water, good in slow release performances of nitrogen phosphorus kalium and capable of stimulating crop growth. The prepared release fertilizer is applied for one time and can efficiently provide nutrient for the citruses during a whole growing period, besides, the citrus specialized slow release fertilizer has the advantages of being capable of increasing soil fertility, improving soil structure, effective and environment-friendly, and large-scale popularization and application during production of the citruses are facilitated.

The invention discloses a preparation method of a multifunctional meso-porous silicon nano preparation carrying a novel gossypol derivative ApoG2. The preparation method comprises the following steps of: adding a defined amount of meso-porous surfactant to a diluted strong base solution, stirring the solution, dropping TEOS (tetraethyl orthosilicate) and cyanine dye Cy5.5 into the solution which is heated to a certain temperature, reacting the solution for a period of time under the conditions of constant temperature and serious stirring, filtering the reaction product, and dialyzing the product for multiple times to prepare fluorescent-dye-doped meso-porous silicon matrix nano particles; and mixing the after centrifuged multifunctional nano particles with a solution of the novel gossypol derivative ApoG2, and oscillating, centrifuging and washing the mixture to obtain the traceable multifunctional meso-porous silicon nano preparation carrying the novel gossypol derivative ApoG2. The preparation method has the advantages of simple procedure, small particle diameter, high monodispersity, stable fluorescence property, high drug loading capacity and the like, thereby enabling the ApoG2 to better play a role in anti-tumor.