“isotope abundance ratio”的概念、定义、翻译、参考文献-科学参考

单词	isotope abundance ratio
释义	isotope abundance ratio Encyclopedia 理学火花放电光源释 isotope abundance ratio同位素丰度比某两种同位素的丰度值之比称为同位素丰度比。简称同位素比。具有相同质子数，不同中子数的同一元素的不同核素互为同位素。
随便看	lower Privalov operator lower process capability index lower pure value lower quartile lower radical lower radical class lower relaxation method lower Riemann integral Lower Saxony lower semi continuity lower semi-continuity lower semicontinuity lower semi continuous lower semi-continuous lower semicontinuous lower semicontinuous decomposition lower semicontinuous equivalence lower semicontinuous function lower semi continuous hull lower semi-continuous hull lower semicontinuous hull lower semicontinuous mapping lower semicontinuous partition lower semicontinuous regularization lower semi-lattice

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