X_NH3 (cNH3_in-cNH3)/cNH3_in "NH3 Conversion" X_NOx (cNO_in+cNO2_in-cNO-cNO2)/(cNO_in+cNO2_in) "NOx Conversion" yNH3 cNH3/(cH2O+cNH3+cNO+cNO2+cO2) "Molar Fraction NH3" yNO cNO/(cH2O+cNH3+cNO+cNO2+cO2) "Molar Fraction NO" yNO2 cNO2/(cH2O+cNH3+cNO+cNO2+cO2) "Molar Fraction NO2" yNOx yNO+yNO2 "Molar Fraction NOx"