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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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sitarist
sitarist
sit around
sitars
sit at feet
sit at sb's feet
sit at somebody's feet
sit at someone's feet
sit at someone's feet
sitatunga
sit back
sit back
sit back and do nothing
sit below the salt
sit below the salt
sit by
sit by
sitch
sitcom
sitcoms
sit down
sit-down
sit down
sit-down money
云催化是什么?
云南天文台发现Ia型超新星的偏振规律
云南石林的形成
云彩为什么有不同的形状?
云是怎样飘浮起来的?
云是由什么组成的?
云有多重?
云的形成
云的颜色为何各种不同
云计算到底是一朵什么样的“云”
Überbeanspruchung
Überbegriff
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Überbelastung
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更新时间:2025/9/19 8:42:38