红外光谱测试结果表明，催化剂表面主要存在L酸中心。
IR pattern indicated that Lewis acid centers mainly exist on the catalyst surface.
不同的浸酸方式影响催化剂表面态，进而导致催化性能不同。
The manner of dipping acid effects on catalysts surface then cause different catalyst performance.
而在表面钝化过程中引入的氧则在催化剂表面形成氧化薄层。
The introduced oxygen in the passivated procedure reacts with the catalyst surface to form the thin oxide layer.
应用推荐