查询词典 cod net

In contrast, the leachates COD and ammoniac nitrogen of anaerobic landfill need more than one decade and even several decades to decrease to the same standard.

相比之下，厌氧填埋场渗滤液中的类似污染物在自然条件下需要十几年甚至几十年的时间方能达到相同标准。

The simulative results show that the leachates COD of semi-aerobic landfills decrease to National Discharge Standard Class I (100mg/L) in 2-3 years, and ammoniac nitrogen reduce to the standard (15 mg/L) in one year or so.

在室内模拟的条件下显示，准好氧填埋场垃圾渗滤液的COD自然衰减至国家一级排放标准(100mg／L)仅需2～3年，而氨氮只需1年左右即可达到相应的国家一级排放标准(15 mg／L)。

It bring forward that semi-aerobic can accelerate degradation velocity of COD and ammoniac nitrogen and promote the stabilization process of landfill , which also affords technic guidance for accelerating landfill stabilization and leachate self-purity .

初步揭示了准好氧填埋垃圾降解的基本机理，分析了影响垃圾体降解的因素，为今后准好氧填埋技术的深入研究和工程应用提供理论基础和技术支持，并为厌氧填埋场的改造提供思路。

The results show that the addition of talc will increase the proportion of the sludge, strengthen the structure of flocks and greatly improve the sedimentation of the sludge, the sludge bulking is instantaneously controlled, and the addition has not affected distinctly the effluent COD and ammoniate removal.

结果表明，采用滑石粉可增加污泥比重，加固絮体的结构，大大改善污泥沉降性能，从而使污泥膨胀迅速得到控制。同时，又不会对反应器出水COD、氨氮造成显著性影响。

The results indicate that, with HRT of 8?h and temperature of 35℃, the COD removal rate is beyond 80%, the removal rate of TN about 8%, the ammonification rate of organic nitrat.

试验表明：厌氧附着膜膨胀床反应器处理乳品废水，在水力停留时间为8h、中温35℃条件下，COD去处率达到80%以上，对总氮的去除约为8%，出水有机氮的氨化率达70%以上，ρ/ρ由进水的0 5提高到0 8以上。

The characteristics of nitrogen fixation, ammonification , nitrification and denitrification in coastal zones;2. Study on ammonification rate and slow release performance of urea;3. The results indicate that, with HRT of 8?h and temperature of 35℃, the COD removal rate is beyond 80%, the removal rate of TN about 8%, the ammonification rate of organic nitrat.

试验表明：厌氧附着膜膨胀床反应器处理乳品废水，在水力停留时间为8h、中温35℃条件下，COD去处率达到80%以上，对总氮的去除约为8%，出水有机氮的氨化率达70%以上，ρ/ρ由进水的0 5提高到0 8以上。

When the concentration of metamorphic amylum production wastewater in the experiment was 12 640 mg/L and the optimal hydraulic retention time was 48 h, the removal efficiency of COD was 85.9%.

试验用变性淀粉废水的COD浓度为12 640 mg/L，最佳HRT为48 h，此时COD去除率85.9％。

After the synthetic pyrethroids wastewater passes through the suitable pretreatment definitely anaerobe processing method to carry on further processes,its COD removeing rate can achieves 80%.

拟除虫菊酯生产废水经过适当的预处理后，完全可以采用厌氧流化床工艺进行进一步处理，其COD去除率达到80%。

H2O2 was dropped into the anolyte to produce Fenton reagent, which could degrade organic compounds and decrease the concentration of COD.

实验结果表明，模拟废水中的氨氮透过率达80%，垃圾渗滤液中氨氮浓度和COD，由原来的1982和2248mg/L分别降至200和127mg/L。

The result showed that, allowable permitted assimilative capacity is 33599 tons per year of COD and 1596 tons per year of NH3-N in Jinjiang River system.

其计算结果表明：晋江流域COD的纳污能力为33 599t/a，氨氮的纳污能力为

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。