430604.fig.002a
(a)
430604.fig.002b
(b)
430604.fig.002c
(c)
430604.fig.002d
(d)
430604.fig.002e
(e)
Figure 2: SEM micrographs of fly ashes (a) Soil ×1500 (b) C ×1500 (c) OE ×1500 (d) SO ×1000 (e) T ×1000.