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297 results about "Essential nutrient" patented technology

An essential nutrient is a nutrient required for normal human body function that either cannot be synthesized by the body at all, or cannot be synthesized in amounts adequate for good health, and thus must be obtained from a dietary source. Essential nutrients are also defined by the collective physiological evidence for their importance in the diet, as represented in e.g. US government approved tables for Dietary Reference Intake. Some categories of essential nutrients include vitamins, dietary minerals, essential fatty acids, and essential amino acids. Different species have very different essential nutrients. For example, most mammals synthesize their own ascorbic acid, and it is therefore not considered an essential nutrient for such species. It is, however, an essential nutrient for human beings, who require external sources of ascorbic acid. Many essential nutrients are toxic in large doses. Some can be taken in amounts larger than required in a typical diet, with no apparent ill effects. Linus Pauling said of vitamin B₃: "What astonished me was the very low toxicity of a substance that has such very great physiological power.

Method for simultaneously preparing charcoal, gas and liquid products from crop straw and application thereof

The invention relates to a process for simultaneously preparing charcoal, gas, and liquid products with crop stalks and the application thereof. The process is that the crop stalks (rice husk, nut shell, branches of fruit trees, wooden and bamboo waste materials, and the like) are conveyed to a gasification furnace, the gasification furnace is provided with oxygen by the employment of controlling the height of the a batch layer and the air quantity of an air extractor, and the air achieved via gas-liquid separation is conveyed into a gas turbine for generating or directly supplied to users, vinegar fluid is achieved by condensing and reclaiming the liquid, the vinegar fluid can be processed to be antiseptic solution and deodorizer which are used in livestock places, and also can be processed to be pesticide agent or pesticide which can resist insect and disease, further can be used for foliage fertilizer which can promote the growth of crops and has perfect effect in the production of organic vegetable, fruits and agronomic crops. Straw charcoal achieved from imperfect burnt straws is rich in essential nutrients for the growth of crops, which has a long term slow releasing action for water and fertilizer, has improvement and renovation effect for the soil which is polluted and degenerated by heavy metal, and can be processed to be organic compound fertilizer or insulating material of iron and steel industry and the like.
Owner:杭州南林能源科技有限公司

Heat-stress-resistant fermented feed for laying hen and preparation method thereof

The invention discloses heat-stress-resistant fermented feed for a laying hen. The heat-stress-resistant fermented feed is prepared from the following raw materials: corn, soybean meal, cottonseed meal, apple pomace, chili meal, corn steep liquor sprayed corn husk, wheat bran, bacteria liquid, compound premixed feed and water, wherein the bacteria liquid is prepared from enterococcus aureus, bacillus subtilis, saccharomyces cerevisiae, brown sugar and water. The preparation method of the heat-stress-resistant fermented feed comprises the following steps: crushing the raw material, mixing the dried material, preparing the bacteria liquid, secondarily mixing the wet feed, and conducting anaerobic fermentation. The heat-stress-resistant fermented feed disclosed by the invention has the following benefits: the main essential nutrients in the fermented feed are approximate to that of complete feed for the laying hen and comprise active beneficial bacteria, gamma-aminobutyric acid, organic acid and other active factors; the feed can be added to the daily ration of the laying hen based on the rate of 5-15% to obviously improve the laying rate of the laying hen, the feed-gain ratio, the broken egg rate and the oxidation resistance, synergistically give play to multiple action of the beneficial bacteria on microecologic control to bacterial flora in the gastrointestinal tract, nerve regulation to the central nervous system by the neurotransmitter, and buffering of the organic acid to respiratory alkalosis due to high temperature, and obviously resist against the heat stress due to high temperature in summer for the laying hen.
Owner:ANHUI SCI & TECH UNIV

Process for the removal of arsenic and chromium from water

The present invention provides low cost and highly effective method for the removal of arsenic and Cr(III&VI) from contaminated water using zinc peroxide nanoparticles (20±5 nm) capped with glycerol/PVP/TEA upto the permissible range of drinking water. As Arsenic and chromium occurs naturally in the earth's crust. When rocks, minerals, and soil erode, they release arsenic and chromium into groundwater. Arsenic and chromium occurs naturally in varying amounts in groundwater in various parts of country from ppb level to ppm level. The average concentration of arsenic and chromium as per USEPA standard in drinking water it is 10 parts per billion and 0.05 ppm (50 ppb) respectively. In drinking water the level of chromium is usually low as well, but contaminated water may contain the dangerous Cr(III&VI). Although Cr(III) is an essential nutrient for humans and shortages may cause heart problems, disruptions of metabolisms and diabetes. But the uptake of too much Cr(III) can cause health effects as well, for instance skin rashes. Cr(VI) is known to cause various health effects Skin rashes, upset stomachs, respiratory problems, weakened immune systems, kidney and liver damage and lung cancer The persons who are drinking water having upto 50 ppb of arsenic and 0.05 ppm chromium over for many years could experience skin damage or problems with their circulatory system, and may have an increased risk of getting cancer. Keeping the above facts we developed a cost effective nanoparticles for the removal of Arsenic and Cr(III&VI) from potable water upto potable range.
Owner:COUNCIL OF SCI & IND RES

A nutritional-type fertilizer and a preparation method thereof

The invention discloses a nutritional-type fertilizer. The fertilizer is prepared from following raw materials in parts by weight: 35-40 of gypsum, 25-30 of bentonite, 13-16 of diammonium phosphate, 10-13 of potassium fulvate, 1-2 of ammonium molybdate, 1-3 of copper sulfate, 1-2 of ferrous sulfate, 3-4 of boric acid, 2-3 of polyvinyl alcohol, 4-6 of chitosan, 3-7 of sodium alginate, 8-12 of a soil conditioner and a proper amount of water. The fertilizer adopts the potassium fulvate and plant essential nutrient elements as components. The ratio of the plant nutrients is reasonable. The fertilizer has characteristics of capability of allowing premature ripening and preventing premature senility for grain crops, vegetables, fruits and economic crops. The fertilizer prepared from the chitosan and the boric acid not only is capable of killing pests, preventing diseases for plants and functioning as a fertilizer, but also is capable of decomposing animal and plant residual bodies and trace metal elements, thus converting the residual bodies and the trace metal elements into nutrients for the plants, enhancing plant immunity and promoting plant health. The bentonite has strong moisture adsorption capability, and can absorb water having a volume of 8-20 times of the volume of the bentonite itself and swell to 30 times in volume. The bentonite has certain glutinousness, thixotropy and lubricity. The blend of the bentonite and silt has plasticity and caking property, and has strong cation exchange capability and adsorption capability.
Owner:MAANSHAN KEBANG ECO FERTILIZER
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