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