废物包装体核素分析方法研究

The method study for nuclide analysis of waste drum

介绍了废物包装体核素分析装置的原理和探测器的选择 ;利用 γ“穿透法”实验模拟装置 ,测定了 5种介质 (水、土、红砖、水泥和砂子 )的线性减弱系数和质量减弱系数 ;在准直 -圆柱源、非准直 -圆柱源和无准直 -转桶源三种几何条件下研究了介质吸收系数和活度计算方法。

The principle of waste drum nuclide analysis system and the principle of the detector chosen are introduced. The linear attenuation coefficient and mass attenuation coefficient of five environmental medium(water , soil, red brick, concrete and sands) have been measured with γ transmission method simulative equipment. The absorption coefficient and nuclide activity of three measuring conditions(collimation columnar source, uncollmation columnar source, and uncollmation rotation drum source) have been calculated.