“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	motion estimation motion generation of mechanisms motion group motion illusion motion image motion imaginary brain computer interface motion in quantum mechanics motion interpolation motionless motion mass motion measuring instrument motion of a falling body motion of a particle relative to a noninertial system motion of a projectile motion of a rigid body motion of artificial satellites motion of asteroids motion of bubbles and drops motion of centaur motion of comet motion of earth pole motion of entrainment motion of Greeks group asteroids motion of Kuiper belt objects motion of main belt astroids

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