反应前后催化剂XPS的测试结果差距较小，其化学成分始终保持一致、未发生

The XPS test results of the catalyst before and after the reaction have a small gap, and its chemical composition has always remained the same without significant changes. This fully shows that the catalyst is chemically stable, and it has only played a catalytic role without reacting with other substances under microwave conditions.

The test results of catalyst XPS before and after the reaction were small, and their chemical composition remained consistent and did not change significantly. This fully demonstrates that the catalyst has chemical stability and that it does not react with other substances under microwave conditions and only plays a catalytic role.

The XPS results of the catalysts before and after the reaction showed little difference, and the chemical composition of the catalysts remained consistent without significant change. This fully shows that the catalyst has chemical stability, it does not react with other substances under microwave conditions, but only plays a catalytic role.<br>