“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	safety early warning of rock engineering safety early warning system of civil engineering health monitoring safety economic policy safety economics safety economy safety economy analysis method safety economy assessment safety economy management safety economy principle safety education safety education for seismic crew safety education in university safety engineering continues education safety ergonomics Safety Evaluation safety evaluation index safety evaluation method of well control equipment safety evaluation of genetically modified food safety evaluation of oil depot system safety evaluation of veterinary drug safety evaluation of welded structure safety execution safety exit safety extra-low voltage(SELV) safety facilities

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