| 1. | Natural gas - extended analysis - gas chromatographic method 天然气.延伸分析.气相色谱法 |
| 2. | Natural gas - extended analysis - gas - chromatographic method 天然气.扩展分析.气相色谱法 |
| 3. | High performance liquid chromatographic method , hplc 并用高效液相色谱法 |
| 4. | Vulcanized rubber - determination of accelerant - thin layer chromatographic method 薄层色谱法 |
| 5. | Exhaled air . determination of benzene . gas chromatographic method 呼出气中苯的气相色谱测定方法 |
| 6. | Exhaled air . determnation of acetone . gas chromatographic method 呼出气中丙酮的气相色谱测定方法 |
| 7. | Workplace air - determination of rogor - gas chromatographic method 车间空气中乐果的气相色谱测定方法 |
| 8. | Workplace air - determination of ddt - gas chromatographic method 车间空气中滴滴涕的气相色谱测定方法 |
| 9. | Determination of trace hydrogen in gases - gas chromatographic method 气体中微量氢的测定气相色谱法 |
| 10. | Urine . determination of methanol . headspace - gas chromatographic method 尿中甲醇的顶空气相色谱测定方法 |