14.某輻射場量得0.6 cm3體積的空氣產生1.5×10-8 C的游離電量,請問其空氣克馬(air kerma)為若
干戈雷(Gy)?(ρair
=0.001293 g/cm3,
=33.97 eV / ion pair,1R=2.58×10-4 C/kg)
(A)0.657
(B)6.81
(C)33.4
(D)2.58
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統計: A(615), B(70), C(53), D(86), E(0) #979052
統計: A(615), B(70), C(53), D(86), E(0) #979052