楼主能提供下文章名字吗 谢谢 另外这个可以用MS或者PS画图得到 Characterization of surface processes at the Ni-based catalystduring the methanation of biomass-derived synthesis gas:X-ray photoelectron spectroscopy (XPS)Applied Catalysis A: General 329 (2007) 68–78你自己下载一下吧,我不会上传附件,