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. 2014 Jul 10;4:5653. doi: 10.1038/srep05653

Figure 3. Transformations of NO3−-N (A, solid line), NO2−-N (A, dashed line) (A) and N2O in the gas (B, solid line) and liquid phases (B, dashed line) in the absence (control) and presence of non-modified SWNT and carboxyl-modified SWNT.

Figure 3

Error bars represent standard deviations of triplicate measurements.