“neptunium”的概念、定义、翻译、参考文献-科学参考

单词	neptunium
释义	neptunium Encyclopedia 理学放射性元素释 neptunium镎人工放射性元素，元素符号Np，原子序数93，半衰期最长的同位素的质量数237。属周期系ⅢB族，锕系元素。仿照以天王星命名铀的方法，以天王星外面的海王星（Neptune）命名镎。 Physics neptunium镎93Np Astronomy neptunium缩写：Np。镎 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 neptunium镎
随便看	Directive on the Legal Protection of Databases Directive on the Protection of Individuals with Regard to the Processing of Personal Data and on the Free Movement of Such Data directive probability method Directives on the Promotion of Putonghua of the State Council directivity directivity and gain of antenna directivity factor directivity function directivity function of microphone directivity index directivity index of microphone directivity pattern direct join direct joint direct laser acceleration direct laser lithography direct lateral force/pneumatic composite force compound control direct lattice direct leasing direct levelling direct light direct lightning flash direct limit direct linear transformation direct line atomic fluorescence

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