activated aluminium oxide

例句：

1. 1. The new productuses activated alumina to improve its performance.
   这款新产品使用了激活氧化铝来提高其性能。
2. 2.The process of activated alumina production involves high temperatures and pressures.
   活化氧化铝生产过程需要高温高压。
3. 3. The activated alumina is widely used in the field of catalysis.
   活化氧化铝在催化领域有着广泛的应用。