Figure 2

Theoretical plots of the variations of \(\frac{{T_{2} }}{{T_{1} }}\), (a) with concentration ratio \(BB = \frac{{C_{SG} }}{{C_{0} }}\) for different values of AA, (b) with leak rate ratios \(AA = \frac{{f_{0} }}{{V\lambda_{OFF} }}\) at a different value of BB, as predicted by the model (Eq. 12b).