热处理催化剂的活性比未热处理的高。
The activity of heat treatment catalysts was higher than that of the unheated one.
XRD分析的结果表明，热处理催化剂活性的提高看来主要是由晶格结构改变的结果引起的。
The results of XRD analysis showed that the enhanced activity of heat-treated catalysts appeared to originate primarily as a result of the change in the lattice structure.
在热处理过程中，催化剂粒子有凝聚现象。
Coagulation of photo catalytic particles, however, was observed during the heat treatment process.
在热处理过程中，催化剂粒子有凝聚现象。
Coagulation of photo catalytic particles, however, was observed during the heat treatment process.
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