The results showed that the macrostructure, the composition of the crystal phase and the catalytic activity of the catalyst are related to the calcining temperature.
结果表明：焙烧温度对催化剂的宏观结构、晶相组成和催化活性均有影响；
The macrostructure, the composition of the crystal phase, the surface ion valency and concentration of the catalysts were investigated by BET, XRD and XPS techniques.
采用比表面、孔结构、XRD和XPS等测试技术研究了催化剂的宏观结构、晶相组成、表面铁、钼离子价态和浓度。
应用推荐