The 2-Minute Rule for chemicals
The 2-Minute Rule for chemicals
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His expertise is bioorganic and synthetic chemistry, specifically in carbohydrate chemistry and chemical biology.
nylons – types of polyamides, some are alternating copolymers fashioned from copolymerizing dicarboxylic acid or derivatives with diamines
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isobutylene – feed for making methyl tert-butyl ether (MTBE) or monomer for copolymerization that has a minimal share of isoprene to generate butyl rubber
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Investigate the magnetlike ionic bond formed when electrons transfer from one particular atom to anotherIons—atoms with a positive or damaging Internet demand—bind together to type ionic compounds.
You can find many chemicals on Earth — some present in character, and Many others made by individuals. We utilize them on a daily basis in lots of different ways. However it’s essential to recognize that chemicals is usually harmful to each individuals and also the planet should they aren’t taken care of effectively.
principle refuses to isolate idea in the laboratory, the lecture corridor, or the general public and its philosophical passions. In the Cambridge English Corpus Any given celebration could be described by referring to numerous levels of description, like the Actual physical, chemical
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An element can be a chemical material built up of a selected kind of atom and consequently can't be broken down or transformed by a chemical response into a different element, although it may be transmuted into One more aspect by way of a nuclear reaction.
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Chemical safety has lots of scientific and complex parts. Between these are definitely toxicology, ecotoxicology and the whole process of chemical chance assessment which needs a in depth knowledge of exposure and of Organic outcomes.
更多的中文(简体)翻译 全部 chemical bond chemical park chemical peel chemical go well with chemical component chemical system chemical warfare 查看全部意思» “每日一词”
Petrodollar – Intercontinental paying out of petroleum export revenuesPages displaying shorter descriptions of Buy RESEARCH CHEMICALS redirect targets