本文介绍了堤坝渗漏探查的同位素示踪技术，包括人工同位素单孔示踪技术和环境同位素示踪分析技术。
This paper introduces isotope tracing technique, including artificial and environmental isotope tracing technique, and its application on the survey of dike and dam leakage.
单孔人工同位素示踪技术是研究地下水运动的有效手段，本论文把单孔人工同位素示踪应用到岩溶水研究中。
Artificial isotope tracing technology in sole borehole is the effect means of research the mobile of groundwater. This paper adopt isotope technology in sole borehole to the study of karst water.
试验结果表明多数人工制造的同位素都具有放射性。
The results obtained suggested that most isotopes produced artificially are radioactive.
锘在锕类元素中的一种放射性超铀元素，人工微量制造，其最长寿命的同位素是锘255，其。
A radioactive transuranic element in the actinide series, artificially produced in trace amounts. Its longest-lived isotope is No255 with a half-life of3 minutes. Atomic number102.
对历年发表在同位素表上的资料进行了比较，发现人工放射性同位素的数目随时间呈极好的线性关系，新的人工放射性同位素发现率约为每年50种。
It has been found that the increase of the number of artificial radioisotopes with the years is beautifully linear with a discovery fate of approximately 50 new artificial radioisotopes per year.
它最常见的两种同位素是锝- 98和锝- 99。锝- 99是人工制造的，由钼- 99贝塔衰变得到。
Its two most common isotopes are Technetium-98 and Technetium-99. Technetium-99 is synthetically produced by the beta decay of Molybdenum-99.
它最常见的两种同位素是锝- 98和锝- 99。锝- 99是人工制造的，由钼- 99贝塔衰变得到。
Its two most common isotopes are Technetium-98 and Technetium-99. Technetium-99 is synthetically produced by the beta decay of Molybdenum-99.
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