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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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capitalize on an advantage
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capitalizes
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barbecue sauce
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barbecue summer
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barbed remark
barbed wire
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barbell
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barbeques
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人为什么长两只眼睛?
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人为什么需要睡觉怎么睡好觉
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Rinnsal
Rinnstein
Rio_Tomato
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更新时间:2026/5/3 18:26:50