956543.fig.006a
(a)
956543.fig.006b
(b)
956543.fig.006c
(c)
956543.fig.006d
(d)
956543.fig.006e
(e)
956543.fig.006f
(f)
956543.fig.006g
(g)
956543.fig.006h
(h)
Figure 6: Characteristic curves for methane on (a) A1, (b) A2, (c) A3, (d) A4, (e) A5, (f) A6, (g) A7, and (h) A8 at 298 K, 313.15 K, and 328.15 K, respectively.