| 1. | Sample gas tubes are flushed with nitrogen . 采气管得用氮气吹扫。 |
| 2. | Measuring systems are affected by other properties such as thermal conductivity and thermal convection of the sample gas . 测量系统还受样品气体的导热性和热对流性之类其他性能的影响。 |
| 3. | Standard practice for sampling gas from a transformer under positive pressure 在正压力下从变压器中抽取气体样品的标准实施规程 |
| 4. | Workplace air . determination of toluene . passive sampling gas chromatographic method 作业场所空气中甲苯的无泵型采样气相色谱测定方法 |
| 5. | Workplace air . determination of acetic ether . passive sampling gas chromatographic method 作业场所空气中乙酸乙脂的无泵型采样.气相色谱测定方法 |
| 6. | Workplace air . determination of dimethyl benzene . passive sampling gas chromatographic method 作业场所空气中二甲苯的无泵型采样气相色谱测定方法 |
| 7. | Workplace air . determination of tetrachloroethylene . passive sampling gas chromatographic method 作业场所空气中四氯乙烯的无泵型采样.气相色谱测定方法 |
| 8. | Workplace air . determination of 1 , 2 - dichloroethane . passive sampling gas chromatographic method 作业场所空气中1 , 2 -二氯乙烷的无泵型采样.气相色谱测定方法 |
| 9. | Sampling gas blow down systems and components for particulate contamination by automatic particle monitor method 用自动粒子监控器法对气体排污系统和部件的粒子污染物取样 |
| 10. | A convenient , quick and low costing new method of gas chromatographic analysis with only one column has been set up to analyze the o2 , co and co2 in sample gas by only one inject 摘要建立了一种在单色谱柱条件下一次进样同时分析样品气中的氧、一氧化碳和二氧化碳的新的色谱方法。 |