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接触角是指在气、液、固三相交点处所作的气-液界面的切线与固-液交界线之间的夹角θ,是润湿程度的量度。
This paper deals with approach for the detection of chemical vapours based on refractive-index changes of a silica xerogel layer deposited as an optical cladding on the fibre core.
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.
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.
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