.TILMedia.BaseClasses.PartialGasFunctions.gaseousMassFraction_pTxi .TILMedia.BaseClasses.PartialGasFunctions.gaseousMassFraction_pTxipartial function gaseousMassFraction_pTxi = TILMedia.BaseClasses.PartialGasFunctionPrototypes.gaseousMassFraction_pTxi;