“francium”的概念、定义、翻译、参考文献-科学参考

单词	francium
释义	francium Encyclopedia 理学放射性元素释 francium钫天然放射性元素，元素符号Fr，原子序数87，半衰期最长的同位素的质量数223，属周期系ⅠA族，碱金属元素。为纪念发现者M.佩雷[注]的祖国法国（France）而命名。 Astronomy francium缩写：Fr。钫 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 francium钫
随便看	aquatic plant restoration technology aquatic plants aquatic processing machinery aquatic producer aquatic product aquatic product logistics aquatic product mineral aquatic product physical detection method aquatic product processing aquatic product proteins aquatic product quality aquatic product raw material handling machinery aquatic product refrigerating technology aquatic products agent aquatic products biologic hazards aquatic products canning technology aquatic products chemical detection technology aquatic products chemistry aquatic products chill storage logistic aquatic products circulation aquatic products detection technology aquatic products dietary toxicant aquatic products drying technology aquatic products foodborne parasites aquatic products foodborne pathogens

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。