“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	topponium top pressure recovery turbine unit of blast furnace ironmaking top pruning top quark topramezone To Prime Minister: Ask the Capital to Build an Imperial Museum to prohibit or use forest according to the time top rope climbing to prosecute or extradite To Protect the Equal Rights of All Scattered Ethnic Minoritie’s Decision top rot of sugarcane top row tops top screen pipe cementing top-seeded solution growth top set top shell topside construction topside ionogram topside umbilical termination assemble TOPSIS top soil preservation top soil stripping top submerged lance process top surface-emitting semiconductor lasers

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