His expertise is bioorganic and synthetic chemistry, especially in carbohydrate chemistry and chemical biology.
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Ms. Peterlini and other officers claimed they believed ranchers were being turning to chemicals so that you can keep away from detection by means of satellite-checking methods, one of the principal defenses in opposition to deforestation.
alkylbenzene – a typical form of aromatic hydrocarbon, that may be used being a precursor for a sulfonate surfactant (detergent)
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Examine the magnetlike ionic bond shaped when electrons transfer from 1 atom to anotherIons—atoms by using a favourable or damaging net cost—bind jointly to variety ionic compounds.
Chemicals are Amongst the most closely controlled parts in environmental security. There is nevertheless a continuing require for action: Persistent harm to well being brought on by chemicals in indoor air, buyer items or foodstuffs stay problematic concerns. Plant protection products impact not just "dangerous" organisms but also many effective types also. Biocides are harmful to water bodies.
any simple substance which is used in or made by a response involving alterations to atoms or molecules:
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Guideline initiatives to generate and use chemicals in ways in which decrease important adverse impacts on human overall health along with the setting
disruptions. 来自 Cambridge English Corpus On the other hand, it's challenging to increase a signal that's specific to a single personal thanks to chemical
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Some chemical compounds made from petroleum will also be attained from other fossil fuels, including coal or purely natural gas, or renewable sources for instance maize, palm fruit or sugar cane.
Estimates in the amount of money required to decontaminate the greatly polluted chemical installations differ.