| http://www.w3.org/ns/prov#value | - For the purposes of the disclosure, effective NOx conversions will extend to conversions of any of nitric oxide (NO2), nitrogen oxide (NO), nitrous oxide (N2O), and mixtures thereof, provided only that the gas mixture includes stoichiometrically sufficient proportions of ammonia or an ammonia source, such as urea, to substantially complete the reductions.
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