{HEAD ~ One use} of {TAIL ~ the asymmetric membranes} of this invention as semipermeable membranes is a reverse osmosis procedure for liquids as illustrated in FIG 2 
of
{ HEAD ~ One use } of { TAIL ~ the asymmetric membranes } of this invention as semipermeable membranes is a reverse osmosis procedure for liquids as illustrated in FIG 2
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH