12 光子屏蔽的增建因數 B(buildup factor)與下列何者最有關?
(A)入射光子的個數
(B)出射光子的能量
(C)屏蔽物的厚度
(D)屏蔽物的直線衰減係數
答案:登入後查看
統計: A(16), B(14), C(68), D(33), E(0) #1065006
統計: A(16), B(14), C(68), D(33), E(0) #1065006
詳解 (共 2 筆)
#3464063
增建因數B(buildup factor):the ratio of the intensity of the radiation, including both thenprimary and scattered radiation, at any point in a beam, to the intensity ofnthe primary radiation only at the point.
→buildup factor越大,表示所偵測到的radiation越多,則屏蔽物的厚度要越厚。
0
0