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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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have the pleasure of doing
have the pleasure of doing something
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have the pleasure of something
have the pleasure of something (or of doing something)
have the pleasure of something (or of doing something)
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have the potential to
have the right characteristics for
have the savour of
have the stamp of
have the temerity
have the time
have the time
have the time of one's life
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have the use of
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have the wherewithal for
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have the whip hand over
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have the wind up
客居
客岁
客店
客座
客户
客房
客星
客服
客机
客栈
Piezo_Composite
Piezoeffekt
Piezoelektrika
Piezoelektrizität
Piezoelektrizitätseffekt
Piezokermatik
Piezokristall
Piezolaminate
Piezometer
Piezometerdruck
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更新时间：2026/9/22 19:38:41