186704.fig.001a
(a)
186704.fig.001b
(b)
186704.fig.001c
(c)
186704.fig.001d
(d)
Figure 1: (a) Isobars of at different temperatures for MgO, (b) isobars of at different temperatures for MgO, (c) isobars of at different temperature for MgO, and (d) isobars of s at different temperatures for MgO.