| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0019]FIG. 1 is a side view of an apparatus useful in effecting the process of this invention. [0020]FIG. 2 is a graph of a flux of the membrane of this invention as a function of air membrane bubble point. [0021]FIG. 3 is a photomicrograph of a multilayer membrane according to prior art. [0022]FIG. 4 is a photomicrograph of an asymmetric microporous membrane of t
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