大陆 2008/09/14
ok. 朋友,中秋快乐! [img]http://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=108723]Composition and structure of the apatite formed on PET substrates in SBF modified with various ionic activity products---JBiomedMaterRes.pdf[/url]