primary isotope的例句大全

Measurement of Primary Kinetic Deuterium Isotope Effect of the Reaction of Enamine Formation Using Natural Abundance Deuterium NMR

天然氘核磁共振法测定环酮的烯胺化反应的一级动力学氘同位素效应

this article briefly described the chemical measurement traceability and isotope dilution mass spectrometry that has the potential to be primary method, and also described how to provide the si-traceable value of k in river water by the means of idms.

本文简要介绍了化学测量溯源性和具有绝对测量性质的同位素稀释质谱法（IDMS），并应用该法为国际测量评估计划（IMEP-9）河水样品中的钾提供可直接溯源到SI单位的标准值。

The Primary Research of Stable Isotope Ratio Mass Spectrometry Method in Application of NFC and FC Juice Authentic Identification

稳定同位素比率质谱法在NFC与FC果汁鉴别上的应用初探