With the dehydration the free volume inside cages bacame larger, and when dehydrated to a certain degree,Bronsted acid, as the ac.

 
  • 研究表明,随着水的逐步脱除;笼内自由体积逐步增大;当脱水至一定程度后.笼内开始出现活性中心-质子酸。
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