研究助剂La2O3对Ni/γ-Al2O3/堇青石结构化催化剂结构与性能的影响。采用悬浮液涂层法、活性组分浸渍法制备不同La2O3助剂含量的Ni......

用20%的草酸溶液预处理大小适当的堇青石载体，采用分步浸渍法与共浸渍法分别制备了CuO-CeO2/Cord．整体式催化剂。利用气相色谱仪对催......

The cordierite ceramic with a high strength and a low thermal expansion coefficient was prepared by using mixtures of Ce......