| 1. | Gas analysis - preparation of calibration gas mixtures - weighing methods
气体分析-校准用混合气体的制备-称量法 |
| 2. | Gas analysis - preparation of calibration gas mixtures - permeation method
气体分析校准用混合气体的制备渗透法 |
| 3. | Gas analysis . preparation of calibration gas mixtures . permeation method
气体分析.校准气体混合物的制备.渗透法 |
| 4. | Gas analysis . preparation of calibration gas mixtures . gravimetric methods
气体分析.校准气体混合物的制备.重量法 |
| 5. | Gas analysis - preparation of calibration gas mixtures - gravimetric method
气体分析.校正用混合气体的制备.称重法 |
| 6. | Gas analysis . preparation of calibration gas mixtures . mass dynamic method
气体分析.校准气体混合物的制备.质量动态法 |
| 7. | Gas analysis . calibration gas mixtures . certificate of mixture preparation
气体分析.校准气体混合物.气体混合物制备证书 |
| 8. | Gas analysis ; preparation of calibration gas mixtures ; static volumetric methods
气体分析.标定用混合气体的制备.静态容量法 |
| 9. | Analysis of gases . checking of calibration gas mixtures by a comparison method
气体分析.用比较法进行校准气体混合物的检验 |
| 10. | Gas analysis - preparation of calibration gas mixtures - static volumetric method
气体分析.校正用混合气体的制备.静态容量法 |
