“roentgenium”的概念、定义、翻译、参考文献-科学参考

单词	roentgenium
释义	roentgenium Encyclopedia 理学放射性元素释 roentgenium𬬭人工放射性元素，元素符号Rg，原子序数111，半衰期最长的同位素的质量数282。属周期系ⅠB族。为纪念德国物理学家W.K.伦琴[注]而命名。曾被称为111号元素（unununium），符号Uuu。
随便看	West Liang West Liaohe Plain Westliche Taoismus-Bibliographie west longitude Westminster Westminster Abbey Westminster Statute West Mountains of Guiping Scenic and Historic Area West Nile fever West Nile virus West of the Tracks Weston Naef Weston scale Weston speed westphalian system west point West Sayan Mountains West Side National Park West Side Story West Taiwan Strait urban agglomeration West Texas Intermediate（Crude Oil） West-to-East Gas Pipeline System West-to-East Natural Gas Transmission Project West to East Water Transfer Project in Egypt west to east water transfer project in Pakistan

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