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Study on the Orientation and Transfer Technique of the Particle Containing Uranium
Pages: 37-43
Year: Issue:  1
Journal: China Nuclear Science and Technology Report

Keyword:  裂变径迹 非复位方法 激光烧蚀;
Abstract: 在裂变径迹法筛选铀微粒的技术中,热中子辐照后如何实现微粒与径迹的对应以及微粒的转移是非常关键的步骤。采用激光烧蚀仪在介质膜与裂变径迹基片分离前刻蚀出标记,根据标记形状及微粒间的相对位置可实现微粒与径迹的对应关系,不需要介质膜与径迹片复位。采用微区溶解的方法,显微镜下手工挑出微粒并用热表面电离质谱仪对其同位素比值进行了分析。
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