varying either said partial pressure of reactants or said {TAIL ~ coolant flow rate} to maintain said sensed temperature to said highest temperature level at said {HEAD ~ outlet side} 
varying either said partial pressure of reactants or said { TAIL ~ coolant flow rate } to maintain said sensed temperature to said highest temperature level at said { HEAD ~ outlet side }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD