Accordingly, {TAIL ~ the molar ratio} of {HEAD ~ ethylene} to feed material may range from greater than about 0.8/1 to typically less than about 20/1 
Accordingly , { TAIL ~ the molar ratio } of { HEAD ~ ethylene } to feed material may range from greater than about 0.8/1 to typically less than about 20/1
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH