For example, in {TAIL ~ one embodiment}, {HEAD ~ the conductive material} in each resistor is held constant while the nonconductive organic polymer varies between resistors  
in
For example , in { TAIL ~ one embodiment } , { HEAD ~ the conductive material } in each resistor is held constant while the nonconductive organic polymer varies between resistors
OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH