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1571 results about "Nutrient loss" patented technology

Unfreezing device, refrigerator and unfreezing control method of refrigerator

The invention provides an unfreezing device, a refrigerator and an unfreezing control method of the refrigerator. The unfreezing device comprises a shell, a first electrode board, a second electrode board and a high-frequency power supply, the first electrode board is arranged at the top of the inner wall of the shell, the second electrode board is arranged at the bottom of the inner wall of the shell, the first electrode board and the second electrode board are connected with two ends of the high-frequency power supply respectively, high-frequency alternating electric fields are generated between the first electrode board and the second electrode board when the high-frequency power supply operates, so that high-frequency electromagnetic waves are generated and acted onto unfrozen food, insulating materials are arranged between the first electrode board and the inner wall of the shell and the second electrode board and the inner wall of the shell and on the lower side of the first electrode board and the upper side of the second electrode board, and the unfrozen food is placed on the insulating materials of the upper side of the second electrode board. The unfreezing device is simple in structure, the high-frequency electromagnetic waves are rapidness and uniformity in unfreezing, and nutrient loss is low.
Owner:HEFEI HUALING CO LTD +1

Fermented alga liquid fertilizer synergist and production method and application thereof

The invention relates to a fermented alga liquid fertilizer synergist and a production method and an application thereof. The fertilizer synergist is a fermented alga liquid fertilizer synergist obtained by performing microbial fermentation on natural alga serving as a raw material, preparing an alga extracting solution through procedures such as alkali extraction, filter pressing and the like, and adding chelated state trace elements into a liquid. Due to the adoption of the fermented alga liquid fertilizer synergist disclosed by the invention, the soil urease activity can be suppressed remarkably, slow release of a fertilizer is enhanced, and the crop yield can be increased remarkably; trace elements such as boron, zinc, manganese and the like which are generally lacked in soil in China can be replenished; root growth of crops can be facilitated, root activity is increased, and the capabilities of crops of absorbing phosphorus, potassium and medium and trace elements are increased; and the fermented alga liquid fertilizer synergist has the characteristics of reduction in nutrient loss, avoidance of secondary pollution, reduction in the production cost of a synergic fertilizer, wide raw material source, convenience for adding in fertilizer production and the like, and has a wide application prospect in the production of the synergic fertilizer.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

Environment-friendly sea cucumber streak feed and preparation method thereof

The invention relates to an environment-friendly sea cucumber streak feed and a preparation method thereof, and belongs to the technical field of feed. The feed comprises the following raw materials in percentage by weight: 20 to 35 percent of algae powder, 10 to 20 percent of kelp powder, 5 to 15 percent of fish meal, 10 to 30 percent of bean pulp, 5 to 10 percent of zeolite powder, 5 to 10 percent of corn meal, 5 to 10 percent of shell powder, 1 to 3 percent of composite vitamin and mineral substance, and plant immune reinforcing agent and microbial preparation added as required. The preparation method comprises the following steps of: pre-treating and drying the raw materials of the feed, coarsely crushing the raw materials to 40 to 60 meshes, then adding a proper amount of auxiliary agent into the coarse powder, treating the mixture by micro shearing-auxiliary agent technology to obtain an ultra-micro powder raw material of 200 to 300 meshes, adding water into the ultra-micro powder raw material in a weight ratio of 1:1, mixing the raw material and the water uniformly, extruding the mixture into streaks, and drying at the temperature of 20 DEG C to obtain the streak feed with different lengths and widths. The feed is suitable for aquatic product culture such as sea cucumber and the like, and has the advantages of environmental protection, long soaking time, low nutrient loss, strong trapping property, quick weight increment and excitability reduction.
Owner:DALIAN UNIV OF TECH

Special charcoal-based slow release compound fertilizer for tobaccos and preparation method of compound fertilizer

ActiveCN103910579AImprove organic matterImprove soil cation exchange capacityFertilizer mixturesCation-exchange capacityBiochar
The invention relates to a special charcoal-based slow release compound fertilizer for tobaccos and a preparation method of the compound fertilizer, and aims at overcoming the technical difficulty of overquick nutrient release of an existing fertilizer. The slow release fertilizer is prepared by performing processes of stirring, drying, granulating and the like on tobacco stalk biomass charcoal, a nitrogen phosphorus and potassium three-component compound fertilizer and the like as raw materials. The slow release fertilizer has the effects and the potentials of improving the physical and chemical properties and the microbial activity of tobacco field soil and increasing the carbon sequestration potential of the soil, and can add soil organic matters, increase the cation exchange capacity of the soil, add granular structures, prevent soil hardening and improve the hydrothermal condition of the soil; the tobacco stalk biomass charcoal can delay the nutrient release of the fertilizer in the tobacco field soil, match the fertilizer nutrient release with a fertilizer demand rule of tobacco stalks, reduce the nutrient loss and increase the utilization rate of the fertilizer; the used raw materials are wide in source, low in price and easily available, the production cost is low, and the ecological high-valued utilization of agricultural wastes is facilitated; in addition, the preparation method of the compound fertilizer is easy, convenient to operate and favorable for large-range popularization.
Owner:HENAN AGRICULTURAL UNIVERSITY

Novel polysaccharide gel water retaining and slow release fertilizer

The invention discloses a novel polysaccharide gel water retaining and slow release fertilizer and relates to the technical field of slow release fertilizers. The fertilizer consists of fertilizer particles and film covered water retaining and slow release layers covering on the surfaces of the fertilizer surfaces, wherein materials for forming the film covered water retaining and slow release layers comprise tamarindus polysaccharide and plant polysaccharide, and the plant polysaccharide is in crosslinking with the tamarindus polysaccharide and is one or several materials in starch, soluble cellulose, guar gum and konjac polysaccharide. A high molecular gel reticular structure formed by the pure nature plant polysaccharide is used for building a slow release system, so the novel polysaccharide gel water retaining and slow release fertilizer integrating the water retaining and the slow and controlled release is obtained, and the fertilizer has the advantages that stronger water absorption and water retaining performance, the nutrient loss is little, nontoxicity is realized, the biodegradable and environment-friendly effects are realized, and the like. The novel polysaccharide gel water retaining and slow release fertilizer particularly has good market prospects in regions of drought, water lack or regions with great daily evaporation capacity.
Owner:SHANDONG XIFENGTIAN ECOLOGY FERTILIZER IND

Technology for production of peanut coated food by variable-temperature pressure-difference puffing technology

The invention relates to a technology for the production of peanut coated food by variable-temperature pressure-difference puffing technology, which comprises the following steps of: acceptance check, pick-out, baking, cooling, peel-off, coating, oven drying, puffing drying, cooling, pick-out of edible material, metal detection, weighing and packaging, box sealing and warehousing of the finished product, wherein the ingredients in the process of coating and the weight parts thereof are as below: 20-50% of peanut kerbel, 10-30% of flour, 10-30% of modified starch, 0-10% of rice flour, 0-15 of white crystal sugar and flavoring additives as the balance; the puffing drying process is as below: the coated and dried peanuts are put in an puffing tank which is heated up to the puffing temperature of 60 to 120 DEG C, evacuation is performed at the temperature of 70 to 100 DEG C for 120 to 210 minutes after standstill for 5 to 20 minutes; and the puffing pressure difference is 0.2 to 0.5MPa. The peanut coated food produced according to the technology of the invention is rich in nutrition, convenient for digestion and absorption by human body, long in storage period, less in nutrient loss, good in crispness, low in hardness and excellent in taste, thus the peanut coated food meets the demand of massive consumers and includes wide market prospect.
Owner:QINGDAO BAOQUAN PEANUTS PRODS

Water-retaining and slowly-release compound fertilizer and preparation method thereof

The invention discloses a water-retaining and slowly-release compound fertilizer and a preparation method thereof. The water-retaining and slowly-release compound fertilizer is prepared from the following components in parts by weight: 60-75 parts of chemical fertilizers, 1-6 parts of a water-retaining agent and 19-39 parts of filler, wherein the chemical fertilizers are at least two of a nitrogen source fertilizer, a phosphorus source fertilizer and a potassium source fertilizer; the water-retaining agent is at least one of polyacrylamide, sodium polyacrylate and sodium carboxymethylcellulose; the filler is at least one of bentonite, attapulgite, kaolin, talcum powder and gypsum powder. The preparation method comprises the following steps: 1) mixing the chemical fertilizers, the water-retaining agent and the filler to obtain a mixture; 2) adding water in the mixture and granulating; stopping adding water when small particles are formed, then adding the filler powder, granulating, and finally drying to obtain the water-retaining and slowly-release compound fertilizer. The water-retaining and slowly-release compound fertilizer disclosed by the invention has a water-retaining property and a slowly-release property, and is capable of reinforcing the water-retaining and water-holding capacities of soil, increasing the utilization rate of water resources, increasing utilization rate of the fertilizers, reducing nutrient loss, resisting drought, and reducing the pollution of fertilization to an ecological environment; the preparation method is simple and easy to process and produce.
Owner:RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI

Energy-saving and environmental-protection organic suspension composite fertilizer and preparation method thereof

InactiveCN105819947AIncrease profitIncrease utilization rate, increase fertilizer efficiencyAlkali orthophosphate fertiliserAmmonium orthophosphate fertilisersNon toxicitySuspending Agents
The invention relates to an energy-saving and environmental-protection organic suspension composite fertilizer. The energy-saving and environmental-protection organic suspension composite fertilizer comprises, by weight, 27.6-35.1 parts of organic matters, 18.5-37.1 parts of nutrition substances, 2.0-4.5 parts of active substances, 9.0 parts of a suspending agent and 26.8-30.3 parts of water. The energy-saving and environmental-protection organic suspension composite fertilizer is a green, low-carbon, energy-saving and environmental-protection organic fertilizer, has the characteristics of high content of organic matters, low production cost, soil structure improvement, soil fertility enhancement, nutrient loss reduction, fertilizer utilization rate improvement, promotion of growth of roots of crops, improvement of the output and the quality of the crops, containing of active substances required by plants, high bioactivity and physiological stimulation, and strong drought, disease, low temperature and other adversity resistances. The composite fertilizer has the advantages of non-toxicity and harmlessness, high safety to humans and animals, environmental protection, reduction of environmental pollution of farmlands, maintenance of the sustainable development of the agriculture, and great reduction of the use amount of the fertilizer.
Owner:DONGGUAN YIXIANG LIQUID FERTILIZER +1

Miniature soil hydrologic monitoring system suitable for high-heterogeneity karst sloping field

InactiveCN103454404AHigh recognition resolutionAvoid homogenizationEarth material testingMonitoring systemKarst
The invention discloses a miniature soil hydrologic monitoring system suitable for a high-heterogeneity karst sloping field. The miniature soil hydrologic monitoring system comprises a miniature region, a miniature interflow collecting system and a miniature direct surface runoff collecting tank. The miniature interflow collecting system is inserted below a sloping soil profile rock-soil interface below the sloping field miniature region for collecting interflow above the rock-soil interface; the miniature direct surface runoff collecting tank is inserted at the position of a sloping soil profile, which is close to the earth's surface for collecting direct surface runoff. The bottom surface of angle steel of the miniature direct surface runoff collecting tank is in contact with the top surfaces of an aluminum-plastic panel and a thin aluminum panel in the miniature interflow collecting system, and the miniature direct surface runoff collecting tank and the miniature sloping field region are fixed together through screws at two sides. According to the miniature soil hydrologic monitoring system, direct surface runoff and interflow of the miniature sloping field region can be simultaneously measured, the difficulty that the soil hydrologic process is monitored on the high-heterogeneity karst sloping field is solved, and a platform is provided for researches on aspects of the hydrologic process, the soil and nutrient loss principle, the karst process and the plant water adaptive mechanism in such karst sloping field.
Owner:INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI
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