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. 2017 Jan 5;7:40015. doi: 10.1038/srep40015

Figure 2.

Figure 2

Ammonia excretion rate (ER, A), Respiration rate (RR, B) and O:N ratio (C) of M. coruscus exposed to six treatments for 14 days. The values with different superscripts at pH are significantly different among three nano-TiO2 treatments (P < 0.05). The values denoted by an asterisk between two pH groups at each nano-TiO2 concentration are significantly different (P < 0.05).