“protactinium”的概念、定义、翻译、参考文献-科学参考

单词	protactinium
释义	protactinium Encyclopedia 理学放射性元素释 protactinium镤天然放射性元素，元素符号Pa，原子序数91，原子量为231.03588，属周期系ⅢB族，锕系元素。 Physics protactinium=protoactinium镤91Pa｛化｝ Astronomy protactinium缩写：Pa。镤 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 protactinium镤
随便看	domestic animal environmental testing domestic animal food intake domestic animal manure domesticated introduction domesticated wild variety of grass plant domestication domestication of fishery organisms domestic award domestic cat domestic cattle domestic cocoon drying room domestic company domestic demand domestic drainage system domestic express mail service in China domestic gas alarm domestic gas oven range domestic gas range domestic hot water system domestic medicinal animals Domestic New Film Exhibition Month domestic-oriented bilingual dictionary domestic price policy of agricultural products domestic regulation domestic sewage treatment

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。