Research Article
A Decrease in NiO-MgO Phase Through Its Solid Solution Equilibrium with Tetragonal : Effect on Catalytic Partial Oxidation of Methane
Figure 2
The FESEM images of the catalyst precursors made of 0.4 La2O3β0.2 SrOβ(1βx)NiOβxMgO: (a) (b) and (c) .