.TILMedia.BaseClasses.PartialVLEFluidObjectFunctions.vapourDensity_pTxi .TILMedia.BaseClasses.PartialVLEFluidObjectFunctions.vapourDensity_pTxipartial function vapourDensity_pTxi = TILMedia.BaseClasses.PartialVLEFluidObjectFunctionPrototypes.vapourDensity_pTxi;