Water reclamation by reverse osmosis. AMRL-TR-68-190.
D018504:Ecological Systems, Closed; D006801:Humans; D008567:Membranes, Artificial; D009995:Osmosis; D014508:Urea / Q000302:isolation & purification; D014556:Urine; D014881:Water Supply
D008567:Membranes, Artificial; D014508:Urea