【化】 传质单元数

number of transfer unit mass number order of units building of refinery units exchange of complete units conversion of viscosity units unsteady mass transfer mass transfer operation mass transfer mechanism mass transfer velocity mass transfer coefficient mass transfer factor number of (heat) transfer units (NTU) number of transfer units number of mass transfer unit number of production units number of units in sample rate of mass transfer coefficient of mass transfer mechanism of mass transfer resistance of mass transfer mass units