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.是什么意思_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.在线翻译_英语_读音_用法_例句