Lead isotope ratio
英
美
- 铅同位素比值
双语例句
- An obvious restraint in the use of isotope ratios results from the need to employ mass spectrometers.
使用同位素比值法有着一个明显的局限因素，就是要用质谱仪进行分析。 - Precise determination of the platinum-group elements and Os isotopic ratios in low-level rock samples.
岩石样品中低含量铂族元素和锇同位素比值的高精度测量方法。
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