The results show that the lower adsorbtion heat a sample has, the higher activity it shows.It is proved that cerium oxide plays a role of catalyst accelerator in the WG...

• 不同铈含量的氧化铁样品催化变换反应的活性测定结果表明，吸附热最小的样品的催化活性最高，说明铈在无铬铁系中温变换催化剂中起助催化剂的作用。