問題詳情

51.Mass median aerodynamic diameter(MMAD)=6.0 µm,geometric standard deviation(GSD)=3.0,此霧氣顆粒大小為何?
(A)1.8 µm
(B)0.2 µm
(C)2-18 µm
(D)1-6 µm

參考答案

答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)