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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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other-worldish
otherworldism
other-worldliness
other-worldly
other-worldness
Othman
Otho, Marcus Salvius
othyl
otic
-otic
-otically
otic capsule
otic ganglion
otiose
otiosely
otioseness
otiosity
Otis, Elisha Graves
Otis, James
otitis
otium
otium cum dignitate
Otjiherero
oto-
Oto
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更新时间:2026/9/26 5:05:03