Radionuclide tracer analysis is a third important method . 第三种重要方法是同位素示踪分析。
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Mud filtrate tracer analysis 示踪分析法
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2 ) methods on tracer analysis in oil filed brain : the methods used for four gamma emitting radiotracers and two beta emitting radiotracers are developed 3 ）将实验室的研究成果四次应用于油田矿场测试，解决了油田开发中遇到的实际问题。
