548920.fig.008a
(a)
548920.fig.008b
(b)
548920.fig.008c
(c)
548920.fig.008d
(d)
548920.fig.008e
(e)
548920.fig.008f
(f)
548920.fig.008g
(g)
548920.fig.008h
(h)
548920.fig.008i
(i)
Figure 8: The graph of as .