另外，在利用上述还原性气体进行接触处理后，用氧化性气体进行接触处理，可以更为有效地活化催化剂。
The catalyst can be more effectively activated by being subjected to a contact treatment with an oxidizing gas after the contact treatment with the reducing gas.
另外，在利用上述还原性气体进行接触处理后，用氧化性气体进行接触处理，可以更为有效地活化催化剂。
The catalyst can be more effectively activated by being subjected to a contact treatment with an oxidizing gas after the contact treatment with the reducing gas.
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