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