Subsequently, the mixture is warmed to a temperature of {HEAD ~ 0° C.} to {TAIL ~ 50° C.} to dissolve the cellulose triacetate in the solvent 
to
Subsequently , the mixture is warmed to a temperature of { HEAD ~ 0 ° C. } to { TAIL ~ 50 ° C. } to dissolve the cellulose triacetate in the solvent
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH