英语词汇“radium emanation”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	radium emanation
释义	radium emanation noun Archaic term for radon.By 1900, Friedrich Dorn discovered the isotope radon - 222 and called it radium emanation (Em).... In 1921 Margaret Uhlig suggested that radium emanation, later known as Rn, may be the cause of the lung cancers.
随便看	apprehensively apprehensiveness apprentice apprenticeship appress apprise apprize appro approach approachability approachable approachableness approach path approach road approach shot approbate approbation approbative approbatory appropriacy appropriate appropriate adult appropriately appropriateness appropriate technologist

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