| 1. | Anesthesia gas concentration measure device based on ndir technique 技术的麻醉气体浓度检测装置 |
| 2. | Trends in greenhouse gas concentrations 温室气体浓度的转变 |
| 3. | Infrared gas density meters 红外线气体浓度感测器 |
| 4. | An improved grey prediction model for dissolved gas in transformer oil 变压器油中溶解气体浓度灰色预测模型的改进 |
| 5. | The sensor is linear output along with the change of gas density 传感器随气体浓度的变化呈线性输出,报警设定值可调。 |
| 6. | Study on laser absorption spectroscopy for measuring gas of mine 差分吸收光谱法测量大气痕量气体浓度误差分析及改善方法 |
| 7. | The development of fumigation meter and its application in quarantine fumigation 熏蒸气体浓度检测仪的研制及其在检疫中的应用 |
| 8. | Second - harmonic detection research with tuneable diode laser absorption spectroscopy 可调谐二极管吸收光谱痕量气体浓度算法的研究 |
| 9. | Application of ds12887 in a certain gas concentration real - time measurement and control system 12887在气体浓度实时测控系统的应用 |
| 10. | Provide mechanical ventilation to maintain vapor concentrations below permissible exposure levels 提供机械通风,将气体浓度控制在允许的逸出量以下。 |