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