The effects of calcining temperature on catalytic be-havior may be due to changes in surface area and water content on the catalyst surface andhave nothing to do with either the crystallization or ...

• 铌酸催化剂催化性能受煅烧温度影响的原因是铌酸结构中含水量及比表面积随煅烧温度改变而变化；与某些作者所认为的是氧化铌结晶或形成不同的晶态无明显关系.