| 1. | The other curve shown in fig 1.5 corresponds to the biochemical oxygen demand (bod) .
图1-5的另一曲线相当于生化需氧量（BOD）曲线。 |
| 2. | Standard test method for total oxygen demand in water
水中总氧要求的标准试验方法 |
| 3. | Water quality - determination of the chemical oxygen demand
水质.化学需氧量的测定 |
| 4. | Cod water quality - determination of chemical oxygen demand
水质.化学需氧量的测定 |
| 5. | More importantly , these fellow not oxygen demand
更重要的是，这些家伙不需要氧气。 |
| 6. | Photo of chemical oxygen demand in the kai tak nullah
启德明渠kn4的化学需氧量图片 |
| 7. | Cod verification regulation of chemical oxygen demand meters
化学需氧量 |
| 8. | Photo of biochemical oxygen demand bod5 in the river beas
图片双鱼河rb3的五天生化需氧量 |
| 9. | Complete set up for chemical oxygen demand determinations in seawater
海水化学耗氧量测定系统 |
| 10. | Biochemical oxygen demand meter for seawater
海水生化需氧量测定仪 |
