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把UO_2辐照重结构试验模拟装置和注量率监督杆分别放入游泳池堆堆芯E_5和E_(6-1)位置,用活化法测量相对的热中子注量率。E_(6-1)监督点为参考点。探测片用φ3.5的镝铝合金片。测量结果得到UO_2元件外表面轴向热中子注量率分布(见图1)和元件截断
The UO_2 radiation re-structure test simulator and the injection rate supervisory pole were put into the pool reactor core E_5 and E_ (6-1) respectively, and the relative thermal neutron flux rate was measured by the activation method. E_ (6-1) supervision point as a reference point. Probing film with φ3.5 dysprosium aluminum alloy sheet. The measurement results obtained the axial thermal neutron fluence rate distribution on the outer surface of the UO_2 component (see Figure 1) and the component truncation