... isotopic composition 同位素组成 isotopic content 同位素含量 isotopic dating 同位素测定年龄 ...
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... 同位素质量比率 isotope mass ratio; 同位素治疗 isotope therapy; 同位素组成 isotopics; isotopic content ...
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This paper describes the synthesis procedures and deuterium isotopic content characterization method, some of the process parameters have been discussed also.
介绍了氘代乙醛的合成工艺及其氘代率的表征方法，并对主要合成工艺参数等进行了探讨。
The precipitation isotopic content is one kind of national basic environmental data, indispensable for the environmental isotope scientific research, including environmental isotope hydrogeology.
大气降水的同位素含量是国家的一项基本环境数据，也是开展环境同位素科学研究和环境同位素水文地质工作必不可少的基础资料。
This paper discussed the relationship between solid content and density of aluminium hydroxide slurry and describes the measurement method and in situ applications of isotopic densitometer.
本文讨论了氢氧化铝料浆的固体含量和密度之间的关系及固体含量的密度检测方法。介绍了同位素密度计的现场应用情况。
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