METHOD OF MEASURING RATIO OF THREE KINDS OF STABLE OXYGEN ISOTOPES IN ATMOSPHERE OR DISSOLVED GAS, AND O2 ISOLATION DEVICE USED THEREFOR 大気中又は溶存気体中の三種安定酸素同位体比測定方法及びそれに用いるO2単離装置 - 特許庁
To provide a method of measuring precisely and easily a ratio of three kinds of stable oxygen isotopes in the atmosphere or dissolved gas, and an O2 isolation device used therefor. 測定精度が良く、且つ簡便に測定できる、大気中又は溶存気体中の三種安定酸素同位体比測定方法とそれに用いるO_2 単離装置を提供する。 - 特許庁