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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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a kick upstairs
a kick up the backside
Akihito
a killing
akilter
akimbo
akin
akindle
a kindness
a kind of
a kind of
akineses
akinesia
akinesic
akinesis
akinete
akinetic
akinetic
a king's ransom
a king's ransom
akira kurosawa
Akita
akka
Akkad
Akkadian
帮子
帮工
帮带
帮忙
帮手
帮扶
帮教
帮派
帮腔
帮补
Rollkranz
Rollkreis
Rollkreisfläche
Rollkreishalbmesser
Rollladen
Rollmassband
Rollmeßband
Rollmoment
Rollo
Roll_Over_Test
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更新时间:2026/5/3 16:14:17