英语词汇“potassium 40”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	potassium 40
释义	potassium 40 po·tas·si·um 40 (⁴⁰K), (pō-tas'ē-ŭm), A naturally occurring (0.0117%) radioactive potassium isotope; beta emitter with half-life of 1.26 billion years; chief source of natural radioactivity of living tissue.
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potassium 40