On this condition the neutron fluence rate distribution and the energy spectrum in the thermal column of SPRR-300 reactor were calculated with one-dimensional code ANISN,and the results of Cd ratio are well accorded with the experimental results.

• 经此修正后,用一维ANISN程序计算了SPRR-300反应堆热柱内的中子注量率分布和中子能谱。