212818.fig.004a
(a)
212818.fig.004b
(b)
212818.fig.004c
(c)
212818.fig.004d
(d)
Figure 4: The profile of the normalized concentration of o-quinone product versus the normalized distance . The concentrations were computed using (13) when the parameters , , and for various values of and . The key to the graph (stacked line) represents (13) and (dotted line) represents the numerical solution. (a) , (b) , (c) , (d) .