以甲烷催化燃烧为目标反应，分别采用了碳酸铵和氨水为沉淀剂的共沉淀法制备了Mn取代的镧六铝酸盐催化剂。在不同的焙烧温度下通过物......

There are many brands of activated alumina powders in the market and the products from different manufacturers exist sub......