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