| 1. | Non - dispersive infra - red gas analyzer ; ndir gas analyzer 非色散红外线气体分析器 |
| 2. | Verification regulation of non - disperse atomic fluoreacence spectrometer 非色散原子荧光光度计检定规程 |
| 3. | Municipal sewage . determination of total organic carbon . nondispersive infrared method 城市污水.总有机碳的测定.非色散红外法 |
| 4. | Stationary source emission . determination of carbon monoxide . non - dispersive infrared absorption method 固定污染源排气中-氧化碳的测定.非色散红外吸收法 |
| 5. | Sulfur in petroleum products by non - dispersive x - ray fluorescence spectrometry , method of test for 用非色散x射线荧光光谱法测定石油产品中硫含量的试验方法 |
| 6. | Cigarettes - determination of carbon monoxide in the vapour phase of cigarette smoke - ndir method iso 8454 : 1995 卷烟.烟雾气相中一氧化碳含量测定.非色散红外分析法 |
| 7. | The series of single - mode optical fibres for telecommunication part 1 : characteristics of a dispersion unshifted single - mode optical fibre 通信用单模光纤系列第1部分:非色散位移单模光纤特性 |
| 8. | Ambient air quality - standard method for the measurement of the concentration of carbon monoxide by nondispersive infrared spectroscopy 环境空气质量.用非色散红外线光谱法测量一氧化碳浓度的标准方法 |
| 9. | Ambient air quality - standard method for the measurement of the concentration of carbon monoxide by nondispersive infrared spectroscopy 环境空气质量.用非色散红外线光谱法测量一氧化碳浓度的标准方法 |
| 10. | The series of single - mode optical fibres for telecommunication part 3 : characteristics of an extended wavelength band dispersion unshifted single - mode optical fibre 通信用单模光纤系列第3部分:波长段扩展的非色散位移单模光纤特性 |