radon是什么意思(radon的用法)
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一、radon是什么意思
1、radon 氡
2、rad-,辐射,放射,-on,表惰性气体,词源同 neon.
二、radon的用法
1、radon (n.)
2、heaviest gaseous element, 1918, from German Radon, from radium (q.v.) + -on suffix of inert gases. The element was identified in radioactive decay of radium. Alternative name niton (from Latin nitens "shining") gained currency in France and Germany.
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