isotopic content

基本解釋

The isotopic abundance ratio and content are determined with isotopic mass-spectrometry.
文章用同位素質(zhì)譜法測(cè)定了輻照堆元件鈾的同位素豐度比和含量。
This paper describes the synthesis procedures and deuterium isotopic content characterization method, some of the process parameters have been discussed also.
介紹了氘代乙醛的合成工藝及其氘代率的表征方法，并對(duì)主要合成工藝參數(shù)等進(jìn)行了探討。
The precipitation isotopic content is one kind of national basic environmental data, indispensable for the environmental isotope scientific research, including environmental isotope hydrogeology.
大氣降水的同位素含量是國(guó)家的一項(xiàng)基本環(huán)境數(shù)據(jù)，也是開展環(huán)境同位素科學(xué)研究和環(huán)境同位素水文地質(zhì)工作必不可少的基礎(chǔ)資料。