In {HEAD ~ addition}, some membrane materials show higher performance when liquid water is in contact with {TAIL ~ the side} of the membrane 930 that faces the moisture donating fluid channel 910 
In { HEAD ~ addition } , some membrane materials show higher performance when liquid water is in contact with { TAIL ~ the side } of the membrane 930 that faces the moisture donating fluid channel 910
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH 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