作者: Weixin Zhang , Zeheng Yang , Xue Wang , Yuancheng Zhang , Xiaogang Wen
DOI: 10.1016/J.CATCOM.2005.12.008
关键词:
摘要: … gave a black powder. The as-prepared samples were characterized by X-ray powder diffraction (… For comparison, the XRD pattern of a commercial MnO 2 powder was taken, which was …