FIG. 3.
Block diagram of parallel-pathway model. CD(t) is donor concentration of tracer and CR(t) is recipient concentration corrected for sample replacement. wi is weighting factor, which gives the fractional utilization of each path length, li.
Block diagram of parallel-pathway model. CD(t) is donor concentration of tracer and CR(t) is recipient concentration corrected for sample replacement. wi is weighting factor, which gives the fractional utilization of each path length, li.