利用中子活化分析技术测定了玻璃苗不同部位中的多种元素含量和分布状况及变化。
Meanwhile the variation and status of distribution of many elements content in the different parts of vitreous shoot were determined by neutron activation analysis technique.
中子活化分析是一种有效的核分析技术，在微量和痕量元素分析中占有重要地位。
Neutron Activation Analysis(NAA) is a valid nuclear analytical technique, whichoccupy an important position in the chemical element analysis.
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