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本文根据三组中子扩散理论模型采用BASIC程序计算了砂的中子宏观参数和砂中的热中子空间分布。也计算了当探头具有不同设计的源-探测器几何时的插入型水分计的响应曲线以及密度对其影响。
In this paper, we use the BASIC program to calculate the neutron macro parameters of sand and the thermal neutron space distribution in sand based on the three sets of neutron diffusion theory models. The response curves of the inserted moisture meter and the effects of density on the probes with differently designed source-detector geometry were also calculated.