Apparent activation energy Activation energy 2 Alkalinity 2 Brown and Ashby's relationship 2 CO 2 methanation 2 Carbon dioxide 2 Catalyst supports 2 Catalytic performance 2 Ceria 2 Cerium compounds 2 Cerium oxide 2 Creep 2 Creep testing 2 Doped ceria 2 Doped-ceria 2 Greenhouse effect 2 Hydrogenation 2 Inconel 738 lc 2 Mechanical testing 2 Methanation 2 Nickel 2 Oxygen storage capacity 2 Precipitation hardened alloy 2 Promotion effects 2 Reaction rates 2 Reduced catalysts 2 Renewable energy resources 2 Renewable energy source 2 Steady state creep 2 Superalloys 2