This paper presents a determination method of specific activity for uranium isotope in rocks, soil, water and thorium isotope in rocks using 232u as a tracerisotope.
本文介绍了用(232u)作示踪同位素，测定岩石、土壤、水体中铀同位素及岩石中钍同位素比活度的方法。
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The combination of enriched stable isotopetracer studies and activation analysis techniques has become an ideal and reliable technique, especially in the fields of biology and medicine.