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单词
radium emanation
释义
Definition of
radium emanation
in English:
radium emanation
noun
archaic term for radon
Example sentences
Examples
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.
Definition of
radium emanation
in US English:
radium emanation
noun
archaic term for radon
Example sentences
Examples
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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in (or out of) keeping with
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in (or out of) line with
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in (or out of) phase
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in (or out of) someone's hair
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in (or out of) stock
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in (or out of) the loop
in (or out of) the running
in (or out of) the running
in (or out of) training
in (or out of) training
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更新时间：2026/8/20 8:55:00