2 nitric oxide + nitrate + H2O => 3 nitrite + 2 H(+)
2 nitric oxide + nitrate + h2o => 3 nitrite + 2 h(+)
2 nitric oxide + nitrate + H2O => 3 nitrite + 2 H(+)
2 nitric oxide + nitrate + h2o => 3 nitrite + 2 h(+)