78.137Cs尖峰能量為667 keV,今使用加馬閃爍攝影機(gamma camera)測量其energy spectrum,得知FWHM為53
keV,計算該設備對137Cs的percent energy resolution為多少%?
(A)0.08
(B)8
(C)1.3
(D)12.5
答案:登入後查看
統計: A(410), B(1932), C(52), D(133), E(0) #2038585
統計: A(410), B(1932), C(52), D(133), E(0) #2038585