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1. |
In the bubble boundary layer, oxygen concentration can be determined by measuring |
A. | the steady state oxygen concentration in a mixed aerated reactor before inoculation |
B. | the steady state oxygen concentration in a mixed aerated reactor after inoculation |
C. | the steady state oxygen concentration in the boundary layer using a micro-probe |
D. | volume of oxygen supplied |
Answer» B. the steady state oxygen concentration in a mixed aerated reactor after inoculation | |