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| Articles by Ma tracy |
411. The preparation method of nanometer material
November 13, 2012
Nanometer material includes nanometer powder and nanometer solid two levels. Nanometer solid is using powder metallurgy technology in nanometer powder as raw material, after forming and sintering. Nanometer powder preparation can generally be divided into physical method ( evaporation condensation m...
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412. The beauty mechanism of vitamin A acid
November 13, 2012
Vitamin A acid has been used as the traditional acne drug. Through its exfoliating effects, the comedogencity will improve. At this time, there are many middle-aged women use A acid because acne. When they enjoy using A acid to reduce acne for them, at the same time, there are some people found thei...
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413. Capsaicin application in the pesticide
November 12, 2012
Capsaicin is extracted from natural plant pepper, the pure product is white crystals, melting point is 65 ?, almost insoluble in cold water, soluble in ethanol, acetone and other solvents. Due to the capsaicin derived from natural, and the special pharmacological activity, long time development and ...
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414. Manganese and nitrogen instead of nickel in chrome-nickel stainless steel
November 12, 2012
Although chrome-nickel austenitic steels have many advantages, but due to the growing development and applications of stainless steel heat resistant steel, nickel-based heat-resistant alloys containing less than 20% of the nickel, as well as the chemical industry in the decades increasingly , while ...
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415. The introduction of biotin
November 12, 2012
Biotin, also known as vitamin H. The coenzyme in carboxylase and carboxyl transferase enzymes involved in fat metabolism of carbohydrates in animal’s body, proteins, amino acids, nucleic acids and so on, indispensable for animal skin, hair, meat toe shoes, normal development and health of the reprod...
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416. Nutritional and therapeutic value of pepper
November 09, 2012
About 100 years from 20th century, a lot of medicine, pharmacy, nutrition, botany scientists carried out all aspects of the study on pepper found that, chili is a spicy substance, there is a huge nutrition, health care and therapeutic value. Chili ingredients analysis study found that peppers are r...
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417. The control and the role of boron in carbon silicon manganese steel
November 09, 2012
From the surveys by metal powder supplier, the main difference of the different types of high manganese is the content of carbon, the range is 0.75% -1.45%. By the large impact, low carbon content. Manganese content is between 11.0% and 14.0%, and generally should not be less than 13%. The high mang...
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418. Astaxanthin is beneficial to the health of eyes and skin
November 09, 2012
A new human trial data show that supply carotenoids astaxanthin every day can improve the concentration of high-density lipoprotein in patients with mild hyperlipidemia. According to the astaxanthin suppliers, by 2015, the global market for astaxanthin will be worth about 200 million dollars, most o...
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419. Chili was good but could not excessive consumption
November 08, 2012
Animal experiments showed that the capsaicin can extend longevity, dietary capsaicin can speed up the body's metabolism, so whether dietary capsaicin can protect the cardiovascular system, or reversal of cardiovascular function? The scientists conducted experiments in spontaneously hypertensive rats...
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420. The production and main use of silicon metal powder
November 08, 2012
Metal silicon is a brittle material, sieve residue in the grinding process can not be well controlled, serious over-grinding phenomenon caused by silica fume waste, high production costs, product size standards, not only makes the product yield not competitive. Equipment of grinding silica fume has ...
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Author: Ma tracy
