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Table 2.

Parameters used to estimate potential errors in the calculation of observedO2, O2

ConditionsFRHe (ml min-1)FRO2 (ml min-1)FRT (ml min-1)[O2]in (%)[O2]out (%)O2′ (ml min-1)
Original conditions 15 000 3975 18 975 20.95 20.53 100 
Flow rate of He up 0.25% 15 038 3975 19 013 20.91 20.49 110 
Flow rate of O2 up 0.25% 15 000 3985 18 985 20.99 20.57 90 
ConditionsFRHe (ml min-1)FRO2 (ml min-1)FRT (ml min-1)[O2]in (%)[O2]out (%)O2′ (ml min-1)
Original conditions 15 000 3975 18 975 20.95 20.53 100 
Flow rate of He up 0.25% 15 038 3975 19 013 20.91 20.49 110 
Flow rate of O2 up 0.25% 15 000 3985 18 985 20.99 20.57 90 

FRHe, flow rate of He; FRO2, flow rate of O2; FRT, total flow rate; O2, observed rate of oxygen uptake; [O2]in, [O2] of gases entering the chamber; [O2]out, [O2] of gases leaving the chamber.

Up 0.25% indicates that the flow rate increases by 0.25% during the course of the experiment.

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