英语词汇“actinium series”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

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单词	actinium series
释义	Definition of actinium series in English: actinium series noun Chemistry The series of isotopes produced by the radioactive decay of uranium-235 (and including actinium-227, originally thought to be the parent), each member resulting from the decay of the previous one. Origin Early 20th century; earliest use found in New International Encyclopedia. Definition of actinium series in US English: actinium series noun Chemistry The series of isotopes produced by the radioactive decay of uranium-235 (and including actinium-227, originally thought to be the parent), each member resulting from the decay of the previous one. Origin Early 20th century; earliest use found in New International Encyclopedia.
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更新时间：2026/6/16 9:29:37