The isotope ratio is directly used for comparing oils or gases.

同位素比率直接用于比较各种石油或天然气.

辞典例句

There are differences between natural and adulterated juices in stable isotope ratio.

天然果汁与掺假果汁之间在稳定同位素比率方面存在着差异.

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Under 0.1 ~10 isotope ratio range and 95 % confidence, the relative expanded uncertainty of the technique %.

最后得出在铀同位素丰度比为0.1～10的范围内95%的置信水平下, 该方法的相对扩展不确定度为0.10%.

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After calibrated by Uranium isotope ratio reference materials, the accuracy and precision are improved.

使用铀同位素标准物质校正质谱计,方法测量铀同位素丰度比的准确度和精密度明显提高.

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