| 1. | Nox . : stationary source emissions - determination of mass concentration of nitrogen oxides - reference method : chemiluminescence
固定源排放.测定氧化氮 |
| 2. | Nox . : stationary source emissions - determination of mass concentration of nitrogen oxides - reference method : chemiluminescence
固定源排放.测定氧化氮 |
| 3. | Ambient air ; determination of the mass concentration of nitrogen oxides ; chemiluminescence method ; identical with iso 7996 : 1985
环境空气.氧化氮质量浓度的测定.化学发光反应法 |
| 4. | Stationary source emissions - determination of the mass concentration of nitrogen oxides - naphthylethylenediamine photometric method
固定源辐射.氮氧化合物质量浓度的测定.萘二胺光度测定法 |
| 5. | Stationary source emissions - determination of the mass concentration of nitrogen oxides - naphthylethylenediamine photometric method
固定源排放.氮氧化物质量浓度的测定.萘乙二胺分光光度法 |
| 6. | Methods for measurement of air pollution - determination of the mass concentration of nitrogen oxides in ambient air : chemiluminescence method
空气污染的测量方法.第9部分:环境空气中氧化氮质量浓度的测定:化学荧光法 |
