“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	sustainable price sustainable production sustainable production-consumption patterns sustainable recovery after the disaster sustainable recycling of materials sustainable security vision sustainable social practices sustainable structural design of bridge Sustainable tourism sustainable tourism sustainable transition Sustainable transport sustainable transport sustainable urban rgeneration sustainable urban transport sustainable utilization of regional resources sustainable water resources utilization sustained and controlled release preparations sustained performance sustained receptor sustained release sustained release carrier nanomaterials sustained-release effect sustained release tablets sustained-release technique of predatory mite

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。