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.
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