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radium emanation
释义
ra
dium em
an
ation
noun
Archaic term for radon.
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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allide
allied
Allier
alliff
alligate
alligation
alligator
alligator apple
alligator clip
alligatored
alligator fish
alligator forceps
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alligatoring
alligator juniper
alligator lizard
alligator pear
alligator pepper
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alligator snapping turtle
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alligator weed
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更新时间:2026/10/24 10:34:36