dong3626 2009/07/07
[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=158973]Symmetry and cation displacements in hollandites: structure refinements of hollandite, cryptomelane and priderite[/url]
yifan_2007 2009/07/08
1 OK [img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=159164]Powder x-ray diffraction study of a cryptomelane-type manganic acid and its alkali cation exchanged forms[/url]