.AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.Membrane.MassTransfer .AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.Membrane.MassTransfermodel MassTransfer = BaseClasses.MassTransfer.MembraneMassTransfer;