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讲座. 同位素质谱仪原理 — 生态学中应用. 付昀 2013 年 3 月 14 日. 1. 2. 3. H. H. H. 1. 1. 1. 一、同位素的概念和原理. 同位素？？原子、中子和同位素. 1 质子 , 1 电子. (D)1 质子 , 1 中子 , 1 电子. (Tritium) 1 质子 , 2 中子 , 1 电子. 同位素？？. 一个原子或离子的质量主要在原子核. 带一个正电荷并且有一个原子的质量 . 它的实际质量近似为 10 -24 g. 质子. 中子.

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Irms - PowerPoint PPT Presentation

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