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词汇
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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pluralism
pluralist
pluralist
run into the sand
run into the sand
run iron
runish
run its course
runk
runkelt
runkle
runkled
runkle't
runklie
runkly
run lace
run length
runless
runlet
runlet
runlets
run like a hairy goat
run like a hairy goat
run low
run low (or short)
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更新时间：2026/3/23 1:48:33