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59results about How to "Effective sustained release" patented technology

Hollow porous spherical platinum-silver alloy nano-material and preparation method for same

The invention relates to a hollow porous spherical platinum-silver alloy nano-material and a preparation method for the same. The nano-material is of a spherical structure with a porous shell and an internal cavity, the diameter of the spherical structure ranges from 5 nanometers to 500 nanometers, the inner diameter of the cavity ranges from 1 nanometer to 400 nanometers, the thickness of a porewall ranges from 1 nanometer to 50 nanometers, and the pore diameter ranges from 1 nanometer to 20 nanometers. Polyatomic alcohol, inorganic silver salt precursor, inorganic platinum salt precursor and polyvinylpyrrolidone are used as reaction raw materials, inorganic salt containing halogen ions and copper-containing inorganic salt are used as auxiliaries, and the hollow porous spherical platinum-silver alloy nano-material is synthesized by means of reaction. The preparation method is simple in process, convenient in operation, fine in repeatability and low in cost, and the obtained hollow porous spherical platinum-silver alloy nano-material can be used for the fields of chemical and electrochemical catalysis, chemical sensors, biomolecular sensors, information storage, fuel cells, solarcells and the like. Particularly, the hollow porous structure of the nano-material can be effectively applied to slow drug release and target-oriented drug delivery treatment.
Owner:SHANDONG UNIV

Garden waste biomass charcoal-based compound fertilizer and preparation method thereof

The invention relates to the technical field of compound fertilizer, in particular to garden waste biomass charcoal-based compound fertilizer and a preparation method thereof. The preparation method includes steps that cracking garden waste under a high temperature to obtain garden waste biomass charcoal and combustible gas; mixing raw material of the compound fertilizer with 8-12% of garden waste biomass charcoal according to the total raw material weight of the compound fertilizer, melting, granulating and gathering granules; cooling the gathered granules under negative pressure, and sieving; enveloping the sieved granules, packaging and delivering to obtain the garden waste biomass charcoal-based compound fertilizer. The garden waste biomass charcoal-based compound fertilizer is rich in nutrient substance, coordinating and durable in nutrient element release, high in fertilizer nutrient use efficiency, capable of effectively improving and fertilizing the soil, improving the fertilizer utilization rate, increasing the organic substance content of the soil, lowering the volume weight of the soil, improving the moisture and fertility preserving ability of the soil and accelerating the crop growth, and also capable of obviously improving the crop output and improving the crop quality.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Straw biomass charcoal based soil conditioner and preparation method thereof

The invention relates to the technical field of soil conditioners, in particular to a straw biomass charcoal based soil conditioner and a preparation method thereof. The preparation method includes the steps: splitting straws at high temperature to obtain straw biomass charcoal and combustible gas; mixing, melting and pelletizing raw materials of the soil conditioner and the straw biomass charcoal accounting for 16-20% of the weight of the gross raw materials of the soil conditioner, and collecting pellets; cooling the collected pellets by negative pressure and screening the pellets; coating, packaging and delivering the screened pellets to obtain the straw biomass charcoal based soil conditioner. The straw biomass charcoal based soil conditioner has rich nutrient substances, nutrient elements are coordinately and persistently released, fertilizer nutrient utilization efficiency is high, soil can be effectively improved and fertilized, fertilizer utilization rate is increased, the content of soil organic matters is increased, soil bulk density is reduced, the moisture and fertilizer retention capacity of the soil is improved, crop growth is promoted, crop yield can be remarkably improved, crop quality is improved, and the soil conditioner has obvious economic benefits.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Straw biomass charcoal based compound fertilizer and preparation method thereof

The invention relates to the technical field of compound fertilizers, in particular to a straw biomass charcoal based compound fertilizer and a preparation method thereof. The preparation method includes the steps: splitting straws at high temperature to obtain straw biomass charcoal and combustible gas; mixing, melting and pelletizing raw materials of the compound fertilizer and the straw biomass charcoal accounting for 8-12% of the weight of the gross raw materials of the compound fertilizer, and collecting pellets; cooling the collected pellets by negative pressure and screening the pellets; coating, packaging and delivering the screened pellets to obtain the straw biomass charcoal based compound fertilizer. The straw biomass charcoal based compound fertilizer has rich nutrient substances, nutrient elements are coordinately and persistently released, fertilizer nutrient utilization efficiency is high, soil can be effectively improved and fertilized, fertilizer utilization rate is increased, the content of soil organic matters is increased, soil bulk density is reduced, the moisture and fertilizer retention capacity of the soil is improved, crop growth is promoted, crop yield can be remarkably improved, crop quality is improved, and the fertilizer has obvious economic benefits.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Bamboo biomass charcoal based soil conditioner and preparation method thereof

The invention relates to the technical field of a soil conditioner, in particular to a bamboo biomass charcoal based soil conditioner and a preparation method thereof. The preparation method comprises the following steps of carrying high temperature pyrolyzing to bamboos to obtain bamboo-based biomass charcoal and combustible gas; melting, pelletizing and collecting particles after a raw material of the soil conditioner and 16-20% of biomass charcoal based on the total weight of the raw materials of the soil conditioner are mixed; cooling the collected particles with negative pressure, and screening; enveloping the screened particles, and packaging to ship, so as to obtain the bamboo biomass charcoal based soil conditioner. The bamboo biomass charcoal based soil conditioner provided by the invention is abundant in nutrient, the nutrient elements can be released and coordinated for a long time, the use ratio of the fertilizer nutrients is high, the soil can be effectively improved and fertilized, the use ratio of the fertilizer can be improved, the organic content of the soil can be improved, the soil bulk density can be reduced, the capacity of preserving moisture and fertility of the soil can be improved, the growth of the crops can be promoted, the yield of crops can be significantly improved, the crop quality can be improved, and the significant economic benefit can be realized.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Traditional Chinese medicine residue biomass charcoal soil conditioner and preparation method thereof

The invention relates to the technical filed of soil conditioners, in particular to a traditional Chinese medicine residue biomass charcoal soil conditioner and a preparation method thereof. The preparation method comprises the following steps: pyrolyzing the traditional Chinese medicine residue at a high temperature to obtain traditional Chinese medicine residue biomass charcoal and a combustible gas; mixing the raw materials of the soil conditioner with the traditional Chinese medicine residue biomass charcoal of which the weight is 16-20% that of the gross raw materials of the soil conditioner, fusing, pelleting, collecting the granular material; cooling the collected granular material at negative pressure and screening; performing capsulation, packaging for delivery to obtain the traditional Chinese medicine residue biomass charcoal soil conditioner. The traditional Chinese medicine residue biomass charcoal soil conditioner provided by the invention is rich in nutrient substances, the release of nutrient elements is coordinated and lasting, the nutrition use efficiency of the soil conditioner is high, the soil can be effectively improved and fertilized, the fertilizer utilization rate is improved, the organic content of the soil is increased, the soil bulk density is reduced, the water and nutrient retention ability of the soil is improved, the crop growth is promoted, the crop yield is obviously improved, the crop quality is improved and obvious economic benefits are achieved.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Bamboo biomass charcoal based composite fertilizer and preparation method thereof

The invention relates to the technical field of a composite fertilizer, in particular to a bamboo biomass charcoal based composite fertilizer and a preparation method thereof. The preparation method comprises the following steps of carrying high temperature pyrolyzing to bamboos to obtain bamboo-based biomass charcoal and combustible gas; melting, pelletizing and collecting particles after a raw material of the composite fertilizer and 8-12% of biomass charcoal based on the total weight of the raw materials of the composite fertilizer are mixed; cooling the collected particles with negative pressure, and screening; enveloping the screened particles, and packaging to ship, so as to obtain the bamboo biomass charcoal based composite fertilizer. The bamboo biomass charcoal based composite fertilizer provided by the invention is abundant in nutrient, the nutrient elements can be released and coordinated for a long time, the use ratio of the fertilizer nutrients is high, the soil can be effectively improved and fertilized, the use ratio of the fertilizer can be improved, the organic content of the soil can be improved, the soil bulk density can be reduced, the capacity of preserving moisture and fertility of the soil can be improved, the growth of the crops can be promoted, the yield of crops can be significantly improved, the crop quality can be improved, and the significant economic benefit can be realized.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Straw biomass charcoal-based urea and preparation method thereof

The invention belongs to the technical field of urea, and specifically relates to straw biomass charcoal-based urea and a preparation method thereof. The preparation method comprises following steps: straw is subjected to high temperature pyrolyzing so as to obtain straw biomass charcoal and combustible gas; an urea raw material is mixed with the straw biomass charcoal, wherein the weight amount of the straw biomass charcoal accounts for 12 to 16% of the weight amount of the urea raw material; an obtained mixture is subjected to melting and pelleting, and a pellet material is collected; the pellet material is subjected to vacuum sealed cooling and screening; and then an obtained product is coated with films, is packaged, and is discharged so as to obtain the straw biomass charcoal-based urea. The straw biomass charcoal-based urea is abundant in nutrients; nutrient releasing is coordinating and long lasting; fertilizer nutrient utilization rate is high; soil improvement and soil fertilizing can be realized effectively; fertilizer utilization rate is increased; soil organic matter content is increased; soil bulk density is recued; soil water and nutrient retention capacity is improved; crop growth is promoted; crop yield is increased greatly; crop quality is improved; and economic benefits are excellent.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Garden waste biomass charcoal-based calcium magnesium phosphate fertilizer and preparation method thereof

The invention relates to the technical field of calcium magnesium phosphate fertilizer, in particular to garden waste biomass charcoal-based calcium magnesium phosphate fertilizer and a preparation method thereof. The preparation method includes steps that cracking garden waste under a high temperature to obtain garden waste biomass charcoal and combustible gas; mixing raw material of the calcium magnesium phosphate fertilizer with 20-24% of garden waste biomass charcoal according to the total raw material weight of the calcium magnesium phosphate fertilizer, melting, granulating and gathering granules; cooling the gathered granules under negative pressure, and sieving; enveloping the sieved granules, packaging and delivering to obtain the garden waste biomass charcoal-based calcium magnesium phosphate fertilizer. The garden waste biomass charcoal-based calcium magnesium phosphate fertilizer is rich in nutrient substance, coordinating and durable in nutrient element release, high in fertilizer nutrient use efficiency, capable of effectively improving and fertilizing the soil, improving the fertilizer utilization rate, increasing the organic substance content of the soil, lowering the volume weight of the soil, improving the moisture and fertility preserving ability of the soil and accelerating the crop growth, and also capable of obviously improving the crop output and improving the crop quality.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Traditional Chinese medicine residue biomass charcoal compound fertilizer and preparation method thereof

The invention relates to the technical field of compound fertilizers, in particular to a traditional Chinese medicine residue biomass charcoal compound fertilizer and a preparation method thereof. The preparation method comprises the following steps: pyrolyzing the traditional Chinese medicine residue at high temperature to obtain traditional Chinese medicine residue biomass charcoal and a combustible gas; mixing the raw material of the compound fertilizer and the traditional Chinese medicine residue biomass charcoal of which the weight is 8-12% that of the gross raw materials of the compound fertilizer, fusing, pelleting, collecting the granular material; cooling the collected granular material at negative pressure and screening; performing capsulation, packaging for delivery to obtain the traditional Chinese medicine residue biomass charcoal compound fertilizer. The Traditional Chinese medicine residue biomass charcoal compound fertilizer provided by the invention is rich in nutrient substances, the release of nutrient elements is coordinated and lasting, the nutrition use efficiency of the compound fertilizer is high, the soil can be effectively improved and fertilized, the utilization rate of the fertilizer is improved, the organic content of the soil is increased, the soil bulk density is reduced, the water and nutrient retention ability of the soil is improved, the crop growth is promoted, the crop yield is obviously improved, the crop quality is improved and obvious economic benefits are achieved.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Bamboo biomass charcoal based urea and preparation method thereof

The invention relates to the technical field of a urea, in particular to a bamboo biomass charcoal based urea and a preparation method thereof. The preparation method comprises the following steps of carrying high temperature pyrolyzing to bamboos to obtain bamboo-based biomass charcoal and combustible gas; melting, pelletizing and collecting particles after a raw material of the urea and 12-16% of biomass charcoal based on the total weight of the raw materials of the urea are mixed; cooling the collected particles with negative pressure, and screening; enveloping the screened particles, and packaging to ship, so as to obtain the bamboo biomass charcoal based urea. The bamboo biomass charcoal based urea provided by the invention is abundant in nutrient, the nutrient elements can be released and coordinated for a long time, the use ratio of the fertilizer nutrients is high, the soil can be effectively improved and fertilized, the use ratio of the fertilizer can be improved, the organic content of the soil can be improved, the soil bulk density can be reduced, the capacity of preserving moisture and fertility of the soil can be improved, the growth of the crops can be promoted, the yield of crops can be significantly improved, the crop quality can be improved, and the significant economic benefit can be realized.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Chinese medicine residue biomass charcoal-based urea, and preparation method thereof

The invention belongs to the technical field of urea, and more specifically relates to a Chinese medicine residue biomass charcoal-based urea, and a preparation method thereof. The preparation method comprises following steps: Chinese medicine residue is subjected to high temperature pyrolyzing so as to obtain Chinese medicine residue biomass charcoal and combustible gas; an urea raw material is mixed with the Chinese medicine residue biomass charcoal, and an obtained mixture is subjected to fusion and pelleting, and an obtained pellet material is collected, wherein the amount of the Chinese medicine residue biomass charcoal accounts for 12 to 16% of the total weight amount of the urea raw material; the pellet material is subjected to negative pressure cooling and screening; the screened pellet material is subjected to membrane coating, packaging, and discharging so as to obtain the Chinese medicine residue biomass charcoal-based urea. The Chinese medicine residue biomass charcoal-based urea is abundant in nutrients; nutritional element release is coordinated, and lasts long; fertilizer nutrient utilization rate is high; the Chinese medicine residue biomass charcoal-based urea is capable of improving and fertilizing soil effectively; fertilizer utilization rate is increased; soil organic content is reduced; soil bulk density is reduced; soil water and nutrient retention capacity is improved; crop growth is promoted; crop yield is increased obviously; crop quality is improved; and economic benefits are excellent.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Bamboo biomass charcoal based calcium magnesium phosphate fertilizer and preparation method thereof

The invention relates to the technical field of a calcium magnesium phosphate fertilizer, in particular to a bamboo biomass charcoal based calcium magnesium phosphate fertilizer and a preparation method thereof. The preparation method comprises the following steps of carrying out high temperature pyrolyzing to bamboos to obtain bamboo-based biomass charcoal and combustible gas; melting, pelletizing and collecting particles after a raw material of the calcium magnesium phosphate fertilizer and 20-24% of biomass charcoal based on the total weight of the raw materials of the calcium magnesium phosphate fertilizer are mixed; cooling the collected particles with negative pressure, and screening; enveloping the screened particles, and packaging to ship, so as to obtain the bamboo biomass charcoal based calcium magnesium phosphate fertilizer. The bamboo biomass charcoal based calcium magnesium phosphate fertilizer provided by the invention is abundant in nutrient, the nutrient elements can be released and coordinated for a long time, the use ratio of the fertilizer nutrients is high, the soil can be effectively improved and fertilized, the use ratio of the fertilizer can be improved, the organic content of the soil can be improved, the soil bulk density can be reduced, the capacity of preserving moisture and fertility of the soil can be improved, the growth of the crops can be promoted, the yield of crops can be significantly improved, the crop quality can be improved, and the significant economic benefit can be realized.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Straw biomass charcoal based calcium magnesium phosphate fertilizer and preparation method thereof

InactiveCN104817384APromote growthImprove physical and chemical stateFertilizer mixturesMoistureNutrients substances
The invention relates to the technical field of calcium magnesium phosphate fertilizer, in particular to a straw biomass charcoal based calcium magnesium phosphate fertilizer and a preparation method thereof. The preparation method includes the steps: splitting straws at high temperature to obtain straw biomass charcoal and combustible gas; mixing, melting and pelletizing raw materials of the calcium magnesium phosphate fertilizer and the straw biomass charcoal accounting for 20-24% of the weight of the gross raw materials of the calcium magnesium phosphate fertilizer, and collecting pellets; cooling the collected pellets by negative pressure and screening the pellets; coating, packaging and delivering the screened pellets to obtain the straw biomass charcoal based calcium magnesium phosphate fertilizer. The straw biomass charcoal based calcium magnesium phosphate fertilizer has rich nutrient substances, nutrient elements are coordinately and persistently released, fertilizer nutrient utilization efficiency is high, soil can be effectively improved and fertilized, fertilizer utilization rate is increased, the content of soil organic matters is increased, soil bulk density is reduced, the moisture and fertilizer retention capacity of the soil is improved, crop growth is promoted, crop yield can be remarkably improved, crop quality is improved, and the fertilizer has obvious economic benefits.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Traditional Chinese medicine residue biomass charcoal calcium magnesium phosphate fertilizer and preparation method thereof

The invention relates to the technical field of calcium magnesium phosphate fertilizers, in particular to a traditional Chinese medicine residue biomass charcoal calcium magnesium phosphate fertilizer and a preparation method thereof. The preparation method comprises the following steps: pyrolyzing the traditional Chinese medicine residue at a high temperature to obtain traditional Chinese medicine residue biomass charcoal and a combustible gas; mixing the raw materials of the calcium magnesium phosphate fertilizer with the traditional Chinese medicine residue biomass charcoal of which the weight is 20-24% that of the gross raw materials of the compound fertilizer, fusing, pelleting, collecting the granular material; cooling the collected granular material at negative pressure and screening; performing capsulation, packaging for delivery to obtain the traditional Chinese medicine residue biomass charcoal calcium magnesium phosphate fertilizer. The traditional Chinese medicine residue biomass charcoal calcium magnesium phosphate fertilizer provided by the invention is rich in nutrient substances, the release of nutrient elements is coordinated and lasting, the nutrition use efficiency of the compound fertilizer is high, the soil can be effectively improved and fertilized, the utilization rate of the fertilizer is improved, the organic content of the soil is increased, the soil bulk density is reduced, the water and nutrient retention ability of the soil is improved, the crop growth is promoted, the crop yield is obviously improved, the crop quality is improved, and obvious economic benefits are achieved.
Owner:GUANGDONG DAZHONG AGRI SCI CO LTD

Selenium-enriched ecological bacterial fertilizer and preparation method thereof

The invention discloses a selenium-enriched ecological bacterial fertilizer and a preparation method thereof, and belongs to the technical field of preparation of fertilizers. The selenium-enriched ecological bacterial fertilizer comprises the following raw materials: urea, urea phosphate, diammonium phosphate, potassium nitrate, boric acid, selenium potassium phosphate, zinc sulfate, corn straws,a biogas slurry, an EM bacterial liquid, a straw fermentation inoculant, CM bacteria, soybean lecithin, lignin, sodium alginate, chitin, an EM bacterial liquid, mushroom residues, selenium humate, aselenite, brown sugar, selenohomocystine, beta-oligomeric acid, stearic acid, sodium hexametaphosphate, N,N-dimethylformamide, ammonium persulfate, selenium ore powder, itaconic acid, dibutylcarboxyltoluene, silane coupling agent KH-550, diethylenetriamine, attapulgite, o-phenyl benzoic acid and polyvinyl alcohol. The selenium-enriched ecological bacterial fertilizer provided by the invention isprepared by the steps of preparation of compound fertilizer particles, preparation of a film coating material liquid, coating of the fertilizer particles and drying; and the ecological bacterial fertilizer provided by the invention can improve the yield of crops and the content of a selenium element.
Owner:CHANGSHA WUDAO IND DESIGN CO LTD

Humic-acid-containing diammonium phosphate neutralization and activation one-step production technology

The invention discloses a humic-acid-containing diammonium phosphate neutralization and activation one-step production technology which particularly includes the steps: (1) primarily crushing and drying weathered coal and brown coal and then secondarily crushing the coal to obtain humic acid mineral powder (HA); (2) mixing and dispersing wet-process phosphoric acid and the humic acid mineral powder, pumping the wet-process phosphoric acid and the humic acid mineral powder to a tubular reactor, neutralizing and concentrating the wet-process phosphoric acid, the humic acid mineral powder and ammonia gas formed after liquid ammonia gasification, and then performing slurry-spraying granulation to obtain humic-acid-containing diammonium phosphate. The production technology can be directly implemented on an original production line without changing the technology or changing overall technological process, an adding method is simple and uniform, products are controllable, investment is less,the production process is clean, and the problem of blockage of a tubular reactor in a traditional technology is solved. The batching proportion of the humic acid mineral powder and the wet-process phosphoric acid can be adjusted, and the technology controllable products are uniform and stable. The humic acid content of the produced products can reach 1-3%, plant growths can be effectively stimulated, and agricultural sustainable development is facilitated.
Owner:LIAONING SHUNYI AGRI TECH CO LTD
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