小妹做了制备的催化剂的H2-TPR图，分别在低温和高温处得到一个还原峰。加入某助剂后，两峰同时向低温方向移动，同时随着助剂量的增加，两峰继续向低温处移动，且实际耗氢量增加，这能否说明该助剂的添加使得催化剂更容易还原呢？
某期刊审稿人给的意见是：The authors claim that the shift in peak at ~ 480 K indicated change in reducibility. Not true. The shift in peak with increasing coverage is expected if reaction order is > 1, which should be the case of oxide reduction with increasing oxide loading.
小妹看了一些相关的文献，也都是简单地说了改善了还原性能。想请教一下各位前辈，这个问题怎么回答呀
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