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单词
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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aviculturist
avid
avidin
avidity
avidly
avifauna
avifaunal
Avignon
avionics
avirulent
avision
aviso
avitaminosis
Aviv
avizandum
AVM
avo
avocado
avocado pear
avocation
avocational
avocet
Avogadro, Amedeo
Avogadro's constant
Avogadro's hypothesis
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更新时间:2025/11/5 22:11:32