isotope fractionation meaning in English

同位素分离
同位素分馏作用

Boron isotope fractionation and its application in environmental study
硼同位素分馏及其在环境研究中的应用
The stable isotopic research is established by studying the discrepancy in isotope ratio , which was caused by isotope fractionation , and the isotopic ratio difference can be determined by mass spectrometer
稳定同位素的研究主要是建立在此同位素分化作用所造成的同位素比值差异，而此同位素比值差异可被质谱仪测知。