Low-temperaturecatalyticcombustionofmethaneoverMnOx-CeO2mixedoxidecatalysts:Effectofpreparationmethod,ShiLimin,储伟,TheeffectofpreparationmethodonMnOx-CeO2mixedoxidecatalystsformethanecombustionatlowtemperaturewasinvestigatedbymeansofBET,XRD,XPS,H2-TPRtechniques