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Characterization of polyethersulfone-polyimide hollow fiber membranes by atomic force microscopy and contact angle goniometery
Asymmetric blend polyethersulfone-polyimide(PES-PI)hollw fiber membranes prepared at different air gap and used for gas separation are characterized by atomic force microscopy and by measuring the contact angle of out side surface.
626KB
2014/05/29
A novel contact angle measurement technique by analysis of capillary rise profile around a cylinder
A new experimental technique and its computational scheme to determine the contact angles of capillary rise profiles around a cylinder are presented.In the experiment,a carefully coated conic glass cylinder was inserted vertically and slowly into a tested liquid.
1147KB
2014/05/28
北京环球恒达科技有限公司
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