Table 2.

Characteristic values for the μ-PA cell working point at 20 °C and 101,325 Pa.

$\mathbf{\delta }={\mathit{n}}^{\stackrel{-\mathbf{1}}{}/\underset{\mathbf{3}}{}}$	λ = kT/( $\sqrt{\mathbf{2}}\mathbf{\pi }\mathit{n}\mathit{d}$)	L = dμ
3.4 nm	66 nm	15 μm
δ/d	$Kn\equiv \stackrel{\mathrm{\lambda }}{}/\underset{L}{}$	L/δ
9.2	4.4 × 10−3	4400