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26 results about "Trace Nutrients" patented technology

A nutrient needed in trace amounts. Supplement. Although trace nutrients are required in small amounts they remain crucial in the proper metabolism and functioning of an organism. A lack of a specific trace nutrient could be harmful to the organism.

System and method for intelligently monitoring blood glucose of patient before and after diet based on food ingredients

The invention discloses a system and a method for intelligently monitoring blood sugar of a patient before and after diet based on food components, and belongs to the technical field of blood sugar monitoring, and the system comprises a food component quantification module which is used for converting a food image or description into accurate macro nutrient and micronutrient data; the multi-modal data fusion module is used for preprocessing and fusing the multi-modal data of the patient; the patient blood sugar prediction module is used for constructing a patient blood sugar prediction model to analyze the multi-modal fusion data of the patient and predicting the blood sugar of the patient; and the difference analysis optimization module is used for comparing actual blood glucose with predicted blood glucose after meal and analyzing difference reasons. The problems that blood glucose of a patient before and after eating cannot be intelligently monitored, and accurate quantification and prediction of the relation between diet and blood glucose cannot be achieved are solved. The system can intelligently monitor the blood glucose of the patient before and after eating, can help the diabetic to realize accurate quantification and prediction of the relationship between diet and blood glucose, and can effectively control the blood glucose and reduce the risk of complications.
Owner:SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL

Fertilizer for degrading phosphorus element residues in soil and improving utilization rate of fertilizer and preparation method

The invention discloses a fertilizer for degrading phosphorus element residues in soil and improving the utilization rate of the fertilizer and a preparation method of the fertilizer. The invention belongs to the technical field of fertilizers, and through dipping treatment and high-temperature calcination of rice husk charcoal and a monopotassium phosphate solution, the surface of the prepared modified charcoal is rich in active functional groups, and the modified charcoal can adsorb and activate insoluble phosphorus in soil, improve the soil structure and enhance the permeability and water retention capacity of the soil at the same time; meanwhile, the phosphate-solubilizing bacillus, the pseudomonas and the arbuscular mycorrhizal fungi are compounded for use, so that the release efficiency of fixed-state phosphorus in the soil can be remarkably improved, and absorption and utilization of phosphorus by crops are promoted; citric acid, malic acid and tartaric acid are compounded for use and can form a stable chelate with metal ions in soil, the fixing effect of the metal ions on phosphorus is reduced, and the effectiveness of phosphorus is further improved; through reasonable trace element proportioning, the fertilizer can meet the requirements of crops on micronutrient elements in the growth process and promote healthy growth of the crops.
Owner:QINGDAO GREEN BAOZHU BIOTECHNOLOGY CO LTD

Organic fertilizer

The invention discloses an organic fertilizer which is prepared from the following raw materials in parts by weight: 30-60 parts of agricultural waste powder, 10-20 parts of mineral powder, 5-15 parts of animal and plant grease residues, 3-10 parts of a seaweed extract, 5-15 parts of humic acid, 1-5 parts of a microbial agent, 0.5-3 parts of a trace element additive and 2-8 parts of a natural adhesive. The problem that an existing organic fertilizer is single in nutrient element is solved, the organic fertilizer can provide macro and trace nutrients at the same time, the nutrient solubility is improved through the chelation of humic acid, and the nutrient absorption efficiency of crops is improved.
Owner:ZHOUSHAN ANXIN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

In-situ water treatment and micronutrient slow release device for seawater aquarium

The invention discloses an in-situ water treatment and micronutrient slow release device for a seawater aquarium, and relates to the technical field of aquarium maintenance equipment. The device comprises a probiotic microorganism attachment framework and a plurality of layers of slow-release nutrition balls. The framework is composed of an upper biochemical filter bin and a lower slow release bin, and the upper filter bin is of a dense honeycomb structure so as to provide a huge microorganism attachment surface area; the lower slow-release bin is a drawable drawer with micropores, and the top surface of the lower slow-release bin is closed to protect the upper flora. The slow-release ball adopts a three-layer layered design, wherein the outer layer is a quick start and flora colonization layer; the middle layer contains polyhydroxyalkanoate PHA or PHBV and a microelement chelate, and is used as an algae phase competition and microelement supplement layer; and the inner layer contains a plurality of amino acids and astaxanthin and is used as a coral nutrition and homeostasis maintaining layer. The device is specially designed for the seawater coral jar, nutrient substances are released in a time sequence, the problems of element fluctuation and coral maintenance are solved, and efficient and stable maintenance of water quality is achieved.
Owner:HENAN AGRICULTURAL UNIVERSITY +1

Special feed for black pigs and preparation method thereof

The invention discloses a special feed for black pigs. The special feed is characterized by comprising the following raw materials: corn, fermented soybean meal, bran, sweet potato vine powder, fish meal, chicken intestine membrane protein powder, composite vitamins, composite minerals, lysine, methionine, table salt and a probiotic preparation. The preparation method of the special feed for the black pigs is characterized by comprising the following steps: S1, pretreating the raw materials; s2, mixing and stirring for the first time; s3, mixing and stirring for the second time; s4, mixing and stirring for the third time; and S5, drying. Aiming at the physiological characteristics of long growth cycle, mild energy and protein requirements and high dietary fiber and mineral substance requirements of black pigs, all the raw material components are accurately proportioned, so that the black pig feed is easier to digest and absorb, reduces the burden of gastrointestinal tracts, promotes intestinal peristalsis, improves the digestive function, meets the requirements of skeletal development and muscle growth, avoids deficiency or excess of micronutrients, and improves the production efficiency. The intestinal flora balance can be adjusted, and the immunity is improved.
Owner:WEISHAN JIAXIANG PIG AGRICULTURAL TECHNOLOGY CO LTD

A method for producing and breeding a crispy chicken

PendingCN122250423AGuaranteed thicknessGuaranteed toughnessAnimal feeding stuffAccessory food factorsBiotechnologyAnimal science
The application discloses a kind of production and cultivation methods of crisp chicken, comprising the following steps: S1, cultivate crisp chicken species: with E'mei black chicken as basic population, hybridization breeding is obtained with sasso chicken, and hybridization is obtained with Rongde small black chicken, and the crisp chicken species with chicken skin thickness not less than 2.3mm is selected and bred;S2, nutrition regulation feeding is carried out: the nutrition regulation feeding of at least 50 days is carried out to the crisp chicken species in fattening period, and the feed with the crude protein content of 18%-22% is provided, and the feed includes soybean meal, vitamin C, fat, fat metabolism aid, fermented soybean meal and trace nutrients;S3, breeding environment management is carried out: in fattening period, control chicken house environment temperature is 18-25 DEG C, relative humidity is 50%-60%, and breeding density is controlled.The application is cultivated by three system matching breeding, accurate nutrition regulation and fine breeding management multi-link cooperation, and the chicken species that fits crisp core characteristic is cultivated.
Owner:SICHUAN YUJIA POULTRY CO LTD

Degradable mulching film compounded with soil conditioning and mineral elements and preparation process of degradable mulching film

The invention discloses a degradable mulching film compounded with soil conditioning and mineral elements and a preparation process of the degradable mulching film, and relates to the technical field of crossing of ecological agriculture and green plastic functional materials. The material is prepared by compounding and granulating the following components in percentage by mass: 5.0%-10.9% of a natural inorganic mineral material, 2.5%-4.1% of a humic acid substance, 7.5%-9.5% of an ion exchange activated mineral, 2.5%-2.7% of a far infrared and terahertz functional mineral, 6.8%-12.5% of a filler and a modifier, and 70.0% of PEF or PLA degradable resin. Natural inorganic mineral materials, humic acid substances, ion exchange activated minerals and far infrared and terahertz functional minerals are mixed in proportion and processed into nano powder, and then the nano powder is compounded with PEF or PLA degradable resin, so that the mulching film has triple functions of soil improvement, micronutrient supplementation and mulching film covering at the same time; the problems that a traditional mulching film and an existing biodegradable mulching film are single in function, and soil conditioning and nutrition supplementing cannot be achieved at the same time are solved.
Owner:STAR GOD YU (HANGZHOU) TECHNOLOGY CO LTD

A high-protein satiety rice-pea protein-containing meal replacement powder and a preparation method thereof

PendingCN122439890ABiotechnologyNutrition
The present application relates to the technical field of meal replacement powder, and discloses a high-protein satiety meal replacement powder containing rice and pea protein and a preparation method thereof.The meal replacement powder comprises a protein component, dietary fiber, high-quality oil, a sweetener, trace nutrients, a stabilizer and a flavor component; wherein the protein component is a composite protein powder prepared by homogenizing, high-temperature shearing and spray drying of rice protein and pea protein.The present application utilizes the complementary characteristics of amino acids of rice protein and pea protein to achieve balanced nutrition, low allergenicity and easy digestion; the combination of dietary fiber, high-quality oil and composite trace nutrients takes into account high protein, high satiety and comprehensive nutrition; the product is prepared by a segmented mixing process and has good stability, diverse flavors and convenient preparation, and is suitable for people with lactose intolerance, weight control, exercise and other groups, solving the technical problems of low protein content, high allergenicity, nutritional imbalance and strong beany odor of traditional meal replacement powder, and being suitable for industrialized popularization and application.
Owner:ANHUI SHUNXIN SHENGYUAN BIOLOGICAL FOOD CO LTD

Green prevention and control method for diseases and insect pests in agricultural planting

The invention relates to the technical field of green prevention and control of agricultural diseases and insect pests, and discloses a green prevention and control method for agricultural planting diseases and insect pests, a composition takes a core preform carrying negative charges as a core and takes functional chitosan carrying positive charges as a shell, and a core-shell structure is formed through electrostatic self-assembly. The core preform comprises an endophyte active matter, an anionic inner shell skeleton polymer and chelated medium and trace nutrient elements; the functional chitosan is prepared by grafting signal oligosaccharide and an environmental response group on a chitosan molecular chain. According to the composition disclosed by the invention, an endophyte active matter is effectively isolated through a core-shell structure, the storage stability of the composition is improved, and slow release is realized; meanwhile, the direct biocontrol effect of the active matter, the plant immunity induction effect of the functional chitosan and the nutritional supplement effect of the medium and trace nutrient elements are organically combined, multi-mechanism synergistic interaction is achieved, and the field control effect is excellent.
Owner:PEOPLES GOVERNMENT OF XIJING TOWN GULANG COUNTY +1

Application method of medium and trace nutrient elements for wrapper hydroponic system

The invention discloses an application method of medium and trace nutrient elements for wrapper hydroponic system. The application method includes the following steps: providing a nutrient solution cultivation system as well as medium and trace element nutrient solutions for facility-based cultivation of wrapper; the medium and trace element nutrient solutions are applied in the cultivation of wrapper; wherein the medium and trace element nutrient solutions contain modulated components, 65-420 ug / L boric acid and 230-1600 ug / L manganese salt, the modulated components contain at least two of 310-690 mg / L calcium salt, 400-1300 mg / L magnesium salt and 40-250 mg / L ferric salt. The present invention can obviously improve yield, appearance quality and leaf tensile force of the wrapper by applying the nutrient solution with specific components in different stage of the wrapper cultivation, respectively, thereby greatly improving the industrial availability of the wrapper raw materials.
Owner:HUBEI TOBACCO SCI RES INST

High-yield and high-quality cultivation method for peanut sprouting vegetables

The invention relates to a high-yield and high-quality cultivation method for peanut sprouting vegetables. The high-yield and high-quality cultivation method comprises the following steps: a, seed selection and soaking; b, accelerating germination; c, planting; d, cultivating; and e, harvesting. According to the cultivation method for the peanut sprouting vegetables, zero pollution and low cost of the peanut sprouting vegetables in the production process can be guaranteed, and green ecology and safety of the quality of the peanut sprouting vegetables are guaranteed; the scientific operation mode is matched with the use of the low-concentration trace nutrient solution, so that the peanut sprouting vegetables can grow more fleshy, plump, fresh and tender, the contained nutrition is richer, the taste is better, meanwhile, the growth cycle of the peanut sprouting vegetables can be remarkably shortened, and the production efficiency and the yield of the peanut sprouting vegetables are greatly improved.
Owner:QINGDAO JINDACANG SEED IND CO LTD

Defatting black rice embryo preparation process based on density floatation method

The application discloses a defatted black rice embryo preparation process based on a density flotation method and belongs to the technical field of rice deep processing. The preparation process comprises the following steps: (1) shelling; (2) rice milling; (3) defatting; (4) density flotation; (5) sample recovery; and (6) drying. The defatted black rice embryo is prepared by simultaneously realizing defatting, bran embryo separation and anthocyanin reservation by treating a black rice bran embryo mixture with a low-polarity lipophilic solvent with suitable density. The process has the advantages of simple steps, good bran embryo separation effect, high rice embryo yield and product comprehensive recovery rate, recyclable solvent, effective reservation of anthocyanin and enrichment of trace nutrients such as gamma-aminobutyric acid, and suitability for wide range of popularization. The obtained product has the advantages of regular appearance, good stability (low fat content and lipase activity, and low rancidity), and high nutritional value (rich in polyphenols, anthocyanin and gamma-aminobutyric acid, etc.). The application has important significance for promoting the deep processing and high-value utilization of black rice.
Owner:SERICULTURAL &AGRI FOOD RESEARCH INSTITUTE GUANGDONG ACADEMY OF AGRICULTURAL SCIENCES

Saline-alkali soil improvement method

According to the saline-alkali soil improvement method provided by the invention, electric improvement is adopted, an acetic acid-sodium acetate buffer solution is pre-filled in a negative main electrode tank and an auxiliary electrode tank, the alkaline change of the pH value of the negative main electrode tank and the auxiliary electrode tank is effectively controlled, cation precipitation is effectively prevented, the electric improvement effect is remarkably improved, and the power consumption is reduced; a formula of mediating particles is screened, graphite, metal powder, boron salt and the like are adopted for preparing the mediating particles, the proportion of all components in the mediating particles is adjusted according to the components of the saline-alkali soil, and the pH change caused in the saline-alkali soil electric improvement process is utilized, so that zinc, copper, iron and boron are converted into soluble metal ions from a metal state, and powder particles are converted into a dissolved state from a solidified state; therefore, the metal powder and the salt powder are converted into micronutrients which are extremely beneficial to the growth of crops in the saline-alkali soil in the electrochemical reaction and enter the soil, the survival rate of the crops can be improved, and meanwhile, the efficiency of the electrochemical reaction can be improved.
Owner:温州市植物保护与土壤肥料管理站

Novel crop nutritional composition

In particular, the present invention relates to a crop nutrient and enrichment composition comprising elemental sulfur in the range of 1% to 90% by weight of the total composition, at least one trace nutrient selected from selenium and vanadium in their elemental form, or salts, complexes, or derivatives thereof, wherein the elemental content of selenium or vanadium in the composition is in the range of 0.001% to 10% by weight of the total composition, and at least one nonionic or anionic surfactant, wherein the composition comprises particles in the size range of 0.1 microns to 30 microns, and the composition is in the form of water-dispersible granules or an aqueous suspension. The present invention also relates to a process for preparing the crop nutrient and enrichment composition. The present invention further relates to a method for enhancing nutrient uptake or improving plant health and yield by treating plants, plant propagation material, locus or parts thereof, seeds, seedlings, or surrounding soil with the crop nutrient and enrichment composition.
Owner:ブクハンワラ コマル

Medium-trace granular fertilizer prepared from phosphate tailings and preparation method of medium-trace granular fertilizer

The invention relates to a medium-trace granular fertilizer prepared from phosphate tailings and a preparation method, the medium-trace granular fertilizer prepared from phosphate tailings comprises 68-94.8 parts of phosphate tailings, 3-10 parts of a strengthening auxiliary agent, 1-10 parts of a binder, 1-10 parts of an activating auxiliary agent and 0.2-2 parts of a micronutrient element material, and a penetrant aqueous solution is based on 100 parts of the above components. And then adding 4-10 parts of a penetrant aqueous solution. A preparation method; the method comprises the following steps: drying the phosphate tailings, ball-milling and crushing to 100-200 meshes; the preparation method comprises the following steps: mixing a micronutrient element material, a binder, an activating auxiliary agent and a strengthening auxiliary agent, and crushing to 100-200 meshes to obtain a synergist; the phosphate tailing powder and a synergist are mixed and put into a granulator, a penetrant aqueous solution with the mass concentration of 0.1-5% is sprayed according to the proportion, granulation, screening and drying are conducted, and the medium-trace granular fertilizer prepared from the 3-5 mm phosphate tailings is obtained. By adding the penetrant, the requirement on the composition of the phosphate tailings is greatly reduced, so that the medium-trace granular fertilizer prepared from the phosphate tailings has better dissolvability, the preparation cost is low, and the medium-trace granular fertilizer can be applied to large-scale industrial production.
Owner:HUBEI FUGUIXIANG AGRI TECH CO LTD

Micro nutrient solution storage device

The utility model discloses a trace nutrient solution storage device, and belongs to the technical field of nutrient solution storage devices. A storage barrel is arranged at the top of the base, an outer protection frame is fixedly connected to the top of the base around the storage barrel, two symmetrical limiting rods are fixed to the top of the outer protection frame, a mounting plate is arranged at the tops of the limiting rods, an air pump is fixed to the top of the mounting plate, a suction pipe is fixed to the air inlet end of the air pump, and a filtering mechanism is arranged at one end of the suction pipe. The filter mechanism comprises an air filter screen, air sucked by the air pump is intercepted and filtered through the air filter screen, an air inlet connector is fixed to the top of the storage barrel, and an air guide hose is connected between the air inlet connector and the air outlet end of the air pump in a threaded mode. And the output water power of the discharge valve port is increased, so that the water pressure entering a project treatment position is not easily influenced by a relatively long pipeline or a height difference.
Owner:SHANGHAI PURE DOLPHIN ENVIRONMENTAL TECH CO LTD

Seed soaking agent for enhancing stress-resistant growth of tomato seedlings in high-temperature environment as well as preparation method and application of seed soaking agent

The invention provides a seed soaking agent for enhancing stress-resistant growth of tomato seedlings in a high-temperature environment as well as a preparation method and application of the seed soaking agent, and belongs to the technical field of seed soaking agents. The seed soaking agent comprises boric acid, jasmonic acid, gamma-aminobutyric acid, cane sugar, proline and water. The boron element is an important micronutrient element for plant growth and development, and participates in cell wall formation, glycometabolism and membrane structure stability maintenance; jasmonic acid is a plant hormone and participates in regulation and control of defense reaction of plants to adversity and activation of an anti-oxidation system; the gamma-aminobutyric acid as a non-protein amino acid can be quickly accumulated in the plant body to effectively maintain ion balance, remove active oxygen and stabilize the cell membrane structure, so that the heat resistance of the plant is enhanced. The three components are compounded, and cane sugar and proline are supplemented to construct the compound seed soaking agent, so that the stress-resistant growth performance of tomato seedlings in a high-temperature environment can be enhanced.
Owner:ZHEJIANG FORESTRY UNIVERSITY +1

Preparation of a suspension concentrate and its use in a light-transmitting balanced liquid fertilizer

ActiveCN117945803BLiquid fertilisersFertilizer mixturesMacro nutrientsPlant quality
The prepared suspension agent is a stable colloidal suspension obtained by hydrolysis of methoxy zinc aluminum hydrotalcite, the suspension agent can interact with a large amount of nutrient elements and trace nutrient elements required by crops, and form a stable suspension type liquid fertilizer, in the liquid fertilizer, fertilizer molecules are not easy to aggregate to form crystals and precipitate, and no solid-liquid stratification phenomenon occurs. The liquid fertilizer prepared based on the suspension agent has high light transmittance, does not block light, has strong adhesion to crop leaf surface, and can be used as a foliar fertilizer. The nutrition of the liquid fertilizer can be absorbed by crops in a short time, can effectively improve the chlorophyll content of crop leaves and improve the whole plant quality of crops, and shows that the liquid fertilizer has good effect of promoting the growth of crops. The method for preparing the liquid fertilizer by using the suspension agent is simple, the conditions are mild, and is suitable for practical popularization and application.
Owner:NANJING FORESTRY UNIV

Rumen bypass micronutrient for promoting growth and development of fetuses and application thereof

The invention discloses a rumen bypass micronutrient for promoting growth and development of fetuses, the rumen bypass micronutrient is rumen bypass coated folic acid with the coating ratio of 45%, and the rumen bypass protection rate and the small intestine absorption rate of the rumen bypass coated folic acid with the coating ratio of 45% are optimal. According to the method, the pregnant Hu sheep is fed from mating to 55 days of pregnancy, so that the effect of remarkably improving the growth and development of the fetus is achieved, and indexes such as the weight, the body size and the muscle fiber development level of the fetus are remarkably improved. According to the method, the feeding period is effectively shortened, so that the total feeding amount and the adding cost of rumen bypass coated folic acid are reduced, the feeding benefit is maximized, and accurate feeding is realized.
Owner:CHINA AGRI UNIV

Sugar-free endurance sports food and method for making same

The application discloses a sugar-free endurance sports food and a preparation method thereof. Product raw materials include retinol acetate oil, cholecalciferol oil, dl-alpha-tocopherol acetate oil, thiamine hydrochloride, riboflavin, pyridoxal hydrochloride, L-ascorbic acid, caffeine, taurine, magnesium sulfate, zinc gluconate, selenium-rich yeast, chromium-rich yeast, emulsifier, sweetener, acidity regulator and dietary fiber. The preparation process is prepared by spray drying and mixing of raw materials, and the raw materials include trace nutrients, emulsifiers, sweeteners, acidity regulators and dietary fibers. Modern granulation, embedding and slow-release preparation technologies are utilized to continuously provide nutrition during sports and realize true sugar-free. The raw materials only contain a small amount of Na + , and will not affect the osmotic pressure of the human body, and are more suitable for supplementing endurance sports.
Owner:NANTONG LICHENG BIOLOGICAL ENG CO LTD

Traditional Chinese medicinal material protoplast breeding equipment and breeding method thereof

The invention discloses traditional Chinese medicinal material protoplast breeding equipment and a breeding method thereof, and belongs to the technical field of breeding equipment.The traditional Chinese medicinal material protoplast breeding equipment comprises a cultivation box, a breeding device, a breeding device and a control device, a partition plate is fixedly installed in the cultivation box, and a tray is arranged above the partition plate; the drainage device is arranged on one side of the cultivation box, the water inlet end is communicated with the space above the partition plate, and the water outlet end of the drainage device is located below the partition plate; the humidifying box is fixedly installed on the side, away from the drainage device, of the cultivation box, a water outlet is formed between the bottom of the humidifying box and the cultivation box, in the early stage, protoplast is directly soaked, cell division and growth are promoted, in the later stage, the contact between traditional Chinese medicine protoplast and oxygen is increased, and metabolic activity and morphogenesis are facilitated; part of the nutrient solution is converted into fine water mist, on one hand, the air humidity is increased, on the other hand, trace nutrients are carried and attached to the surface of the traditional Chinese medicine protoplast, continuous nutrition supply is provided for the traditional Chinese medicine protoplast, and cyclic utilization of the nutrient solution is achieved.
Owner:GUANGAN PHARM INVESTMENT & DEV GRP CO LTD +1

Crop eco-nutrient water generator and method

The application relates to a crop ecological nutrient water generator and method, and belongs to the technical field of water purification equipment. The generator comprises a shell, a magnetic water inlet device, a magnetic water outlet device, a water distributor, a water inlet pipe, a water inlet filter and a water outlet filter. The water distributor is arranged on the top of the shell, the water outlet filter is clamped in the shell, the water outlet filter is sleeved outside the water inlet pipe, the water distributor comprises an inner cavity and an outer cavity which are annularly sleeved, the water distributor is provided with a water inlet and a water outlet, the water inlet is communicated with the inner cavity, the water outlet is communicated with the outer cavity, the outer cavity of the water distributor is communicated with the water outlet filter, the bottom of the inner cavity is connected with the top of the water inlet pipe, the bottom of the water inlet pipe is provided with the water inlet filter, the water inlet is provided with the magnetic water inlet device, and the water outlet is provided with the magnetic water outlet device. The application solves the problem of enhancing the effect of the magnetic reaction of water, so as to meet the needs of trace elements for the growth of animals and plants, promote the metabolism of animal and plant cells, accelerate the dissolution of minerals in water, and further increase the content of trace nutrient elements in the secondary magnetic nutrient water.
Owner:中农数科(北京)新材料有限公司

Water body authigenic azotobacter G12, fungicide, fungus bag and application of water body authigenic azotobacter G12, fungicide and fungus bag

ActiveCN120988938ABacteriaMicroorganism based processesRalstonia pickettiiMicroorganism
The invention belongs to the technical field of water body pollution treatment and ecological environment restoration, relates to development and application of microbial functional resources, and in particular relates to a water body authigenic nitrogen-fixing bacterium G12, a microbial agent, a fungus bag and application of the water body authigenic nitrogen-fixing bacterium G12. The water body authigenic azotobacter G12 is classified and named as Ralstania pickkettii, and is preserved in the China Center for Type Culture Collection, the preservation address is Wuhan University, Wuhan, No. 299, eight road, Wuchang District, Wuhan, the preservation number is CCTCC NO: M 20251602, and the preservation date is July 14, 2025. The strain has wide environmental adaptability, can maintain the activity of nitrogenase under the conditions of low oxygen, weak light and micronutrient element fluctuation, and has a self-limiting regulation and control mechanism of nitrogen fixation activity in the application process, and after the content of inorganic nitrogen is increased, the activity of nitrogenase is reduced, so that the ecological balance of nitrogen in a system is favorably maintained, and the risk of secondary pollution is reduced.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Tomato grafting seedling raising method in high humidity environment

The present application relates to the technical field of eggplant grafting seedling, and particularly relates to a tomato grafting seedling method in high-humidity environment. The preparation method comprises the following steps: preparing a protein additive; preparing a substrate modifier; and tomato sleeve grafting seedling. The substrate modifier is prepared by introducing microbial agents and earthworm manure into a tomato culture substrate. The earthworm manure contains essential plant nutrients such as nitrogen, phosphorus and potassium, and also contains trace nutrients such as calcium, magnesium, iron and zinc, which can meet the growth needs of tomatoes. Moreover, the earthworm manure and microbial agents are gradually released after being combined, have a certain slow-release effect, avoid the occurrence of root burning due to excessive nutrition and excessive metabolism of tomato seedlings in high-humidity environment, and can continuously provide nutrients during subsequent grafting, thereby improving the success rate of tomato grafting.
Owner:WENZHOU VOCATIONAL COLLEGE OF SCI & TECH

Preparation method of sediment-based catalyst for strengthening oxidation efficiency of calcium peroxide

The invention relates to the technical field of river and lake sediment treatment, in particular to a preparation method of a sediment-based catalyst for strengthening oxidation efficiency of calcium peroxide, which comprises the following steps: S1, drying, grinding and screening biogas residue to obtain powdery biogas residue; s2, drying, grinding and screening the river and lake bottom mud to obtain powdery bottom mud; s3, obtaining biochar rich in mineral substances; s4, the obtained biochar is subjected to nano-iron doping treatment, nano-iron-doped biochar is obtained, and the bottom mud-based catalyst is obtained. Biogas residues adopted by the method contain a large amount of organic matter, humic acid and micronutrient elements, the dehydrated bottom mud conditioned through the method is applied to agricultural land, the good effect of improving soil can be achieved, and the soil quality is improved; in addition, the biogas residues and the river and lake bottom mud contain plant nutrient elements such as nitrogen, phosphorus and potassium, and the requirements of crop growth can be met. The biogas residues and the river and lake bottom mud are used for preparing the biochar, waste is used for treating waste, and recycling of the waste is achieved.
Owner:SHANGHAI TRAFFIC CONSTR GENERAL CONTRACTING CO LTD

Water body self-bio-nitrogen-fixing bacteria G12, bacterial agent, bacterial bag and application thereof

ActiveCN120988938BBacteriaMicroorganism based processesRalstonia pickettiiMicroorganism
The application belongs to the technical field of water pollution treatment and ecological environment restoration, and relates to development and application of microbial functional resources, and particularly relates to a water self-grown nitrogen-fixing bacteria G12, a bacterial agent, a bacterial bag and application thereof. Ralstonia pickettii The water self-grown nitrogen-fixing bacteria G12 is classified and named as The bacteria is preserved in China Center for Type Culture Collection, located at Wuhan University, No. 299, Bayi Road, Wuchang District, Wuhan City, and has a preservation number of CCTCC NO: M 20251602 and a preservation date of July 14, 2025. The strain has wide environmental adaptability, can maintain nitrogenase activity under low-oxygen, weak-light and trace nutrient element fluctuation conditions, and has a self-limiting regulation mechanism of nitrogen-fixing activity in the application process. After the inorganic nitrogen content rises, the nitrogenase activity decreases, which helps to maintain the ecological balance of nitrogen in the system and reduce the risk of secondary pollution.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY