The method 4 wherein the ethane or propane constituent of {HEAD ~ the multicomponent refrigerant} is replaced with ethylene or {TAIL ~ propylene}, respectively 
The method 4 wherein the ethane or propane constituent of { HEAD ~ the multicomponent refrigerant } is replaced with ethylene or { TAIL ~ propylene } , respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH