TABLE 1.
Mouse | Rat | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Orifice Diameter (mm) | Supply Pressure (psig) | Inhalation Duration (ms) | breathing rate (min−1) | Tidal Volume (ml) | Orifice Diameter (mm) | Supply Pressure (psig) | Inhalation Duration (ms) | breathing rate (min−1) | Tidal Volume (ml) | |
O2 | 0.02 | 2.0 | 150 | 100 | 0.05 | 0.13 | 6.0 | 250 | 60 | 1.0 |
N2 | 0.04 | 3.0 | 0.20 | 0.24 | 5.0 | 3.0 | ||||
3He | 0.04 | 3.5 | 0.20 | 0.22 | 4.0 | 3.0 | ||||
129Xe | 0.07 | 4.5 | 0.20 | 0.26 | 3.5 | 3.0 |