.TILMedia.BaseClasses.PartialVLEFluidFunctions.steamMassFraction_pTxi .TILMedia.BaseClasses.PartialVLEFluidFunctions.steamMassFraction_pTxipartial function steamMassFraction_pTxi = TILMedia.BaseClasses.PartialVLEFluidFunctionPrototypes.steamMassFraction_pTxi;