BET surface areas, pore volumes and BJH pore sizes of the samples were not changed markedly as the increment of thermal treatment time, which indicated that MoO3 dispersed monolayeredly on the surface of MCM-41.

• BET比表面积、孔容和BJH孔径的测定结果显示在MoO3分散到MCM-41表面后MCM-41孔结构参数随热处理时间的延长变化不大.