Fig. 3From: Hormesis effects of phosphorus on the viability of Chlorella regularis cells under nitrogen limitationEffect of P concentrations on mitochondrial activity of C. regularis under nitrogen limitation, with P 5.4, 45, and 250 mg L−1 (NlimP5.4, NlimP45, and NlimP250, respectively). Error bars were obtained based on triplicate measurementsBack to article page