5.依Stokes' law,粒徑為2.5 μm的顆粒其沈降速率是粒徑為0.25 μm顆粒的幾倍?
(A)0.01
(B)0.1
(C)10
(D)100
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統計: A(164), B(40), C(334), D(3388), E(0) #410779
統計: A(164), B(40), C(334), D(3388), E(0) #410779
詳解 (共 4 筆)
#1108587
沉降速率與粒徑的平方成正比
54
0
#1201260
(2.5/0.25)平方
16
0