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

单词	molecular ion
释义	molecular ion molecular ion [mə′lek·yə·lər ′ī‚än] (organic chemistry) An ion that results from the loss of an electron by an organic molecule following bombardment with high-energy electrons during mass spectrometry. molecular ion molecular ion An ion formed by removing (positive ion), or adding (negative ion), one or more electrons from a molecule M to form M• or M••. The mass of the molecular ion corresponds to the molecule’s nominal or monoisotopic mass; the mass of the electron added or lost is usually inconsequential. The molecular ion mass is the sum of the relative masses of the most abundant naturally occurring isotopes of the various atoms comprising the molecule.
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