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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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precious garnet
precious little
precious little (or few)
precious little (or few)
preciously
preciously
precious metals
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precious opal
precious stone
precious stones
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precip.
precipe in capite
precipe quod reddat
precipice
precipice bond
precipiced
precipices
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precipitability
precipitability
precipitability
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更新时间:2026/4/23 16:08:01