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[会议论文] 作者：Guoqian Xu,Martin Lohrmann,Tao Liu,Weifang Yu,
来源：第2届大连国际色谱学术报告会、第37届国际高效液相色谱及相关技术会议、第18届全国色谱学术报告会 年份：2011
A new Simulated Moving Bed (SMB) chromatography concept was developed which was characterized through only four pumps: a feed and an eluent pump for the inlet streams and an extract and a raffinate pu...
Determination of competitive adsorption isotherm of ketoprofen enantiomers on Amylose-based chiral s
[会议论文] 作者：Lei Zhu,Yuming Liu,Guoqian Xu,Jin Xu,Weifang Yu,
来源：第2届大连国际色谱学术报告会、第37届国际高效液相色谱及相关技术会议、第18届全国色谱学术报告会 年份：2011
Preparative chromatography is usually operated under nonlinear adsorption conditions in order to achieve a high production rate.The accurate determination of the competitive adsorption isotherm is the...
Simulation and Experimental Study on the Separation of Ketoprofen Enantiomers by Simulated Moving Be
[会议论文] 作者：Yuming Liu,Lei Zhu,Jin Xu,Weifang Yu,Guoqian Xu,
来源：第2届大连国际色谱学术报告会、第37届国际高效液相色谱及相关技术会议、第18届全国色谱学术报告会 年份：2011
Ketoprofen is a commonly used non-steroidal anti-inflammatory drug (NSAID).It exists in two isomic forms, namely, R and S enantiomers.While it is normally produced and marketed as the racemate, the op...
[期刊论文] 作者：Denggui Wen,Shijie Wang,Liwei Zhang,Yingsai Li,Weifang Yu,Xiaoling Wang,Junhe Wang,Suping Li,Yongwei,
来源：中国肿瘤临床（英文版） 年份：2004
OBJECTIVE To investigate the natural history of fast developing esophageal and cardia precursors.METHODS Repetitive endoscopic screenings were performed among 4...
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