英语词汇“substituent”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

substituent

/səbˈstɪtjʊənt

noun Chemistry

An atom or group of atoms taking the place of another atom or group or occupying a specified position in a molecule: displacement of alkyl substituents [as modifier]: the presence of substituent hydrogen atoms...

In an interstitial solid solution, substituent atoms or ions are added to void spaces (interstitial sites) between normal atomic sites.
Under rigorous conditions benzene will undergo substitution for one of its hydrogen substituents, by a process called electrophilic aromatic substitution.
Any groups attached to the main chain are called substituents, they are there in place of hydrogen atoms.

Origin

Late 19th century: from Latin substituent- 'standing in place of', from the verb substituere (see substitute).

单词	substituent
释义	substituent /səbˈstɪtjʊənt / noun Chemistry An atom or group of atoms taking the place of another atom or group or occupying a specified position in a molecule: displacement of alkyl substituents [as modifier]: the presence of substituent hydrogen atoms... In an interstitial solid solution, substituent atoms or ions are added to void spaces (interstitial sites) between normal atomic sites. Under rigorous conditions benzene will undergo substitution for one of its hydrogen substituents, by a process called electrophilic aromatic substitution. Any groups attached to the main chain are called substituents, they are there in place of hydrogen atoms. Origin Late 19th century: from Latin substituent- 'standing in place of', from the verb substituere (see substitute).
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