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double spike
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double spike
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理学
双稀释剂法
释
double spike
双稀释剂法
在样品中添加已知元素含量和同位素比值的同一元素的两种稀释剂,通过质谱分析测定混合物的同位素组成,再根据特定的质量分馏定律对测量值进行迭代计算,最终求取样品的真实同位素组成的方法。
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