摘要
核设施退役过程中,对退役场所进行"热点"调查(包括"热点"定位,活度测量等)是非常重要的。为了配合伽马相机在热点调查后对"热点"进行更为精确的测量,建立了一套配有铅屏蔽准直器的CdZnTe伽马能谱系统,用Visual C#语言编写了便于现场操作的谱分析软件MiniAnalysis,对现场用CdZnTe谱仪测得的能谱进行分析;利用137Cs标准源进行实验验证,结果显示该系统可以用于"热点"活度定量测量工作。
During nuclear decommissioning, an investigation of location and radioactivity activity at ＂hotspot＂ at the decommissioning site plays an important role. A CdZnTe gamma spectrometer system combined with lead collimator is built in this work, aimed to be an assistant measurement tool for Gamma Camera. Gamma Spec- trum analysis software named MiniAnalysis is developedy Visual C #, which is an efficient tool in in-field measurement. According to the preliminary test by using the 137 Cs gamma source, the hemisphere CdZnTe gamma spectrometer could be used in the measurement of the activity of ＂hotspot＂.
出处
《辐射防护通讯》
2011年第6期16-19,共4页
Radiation Protection Bulletin
基金
国家"863高科技"2007-2009年资助项目(2007AA04Z259)
国家高技术研究发展技划(863)项目(2009AA050706)
