查询词典 denitrification

Effects of temperature,pH value, electron donor and electron acceptor on denitrification were studied.

研究了温度、pH值、电子供体种类及电子受体种类对反硝化的影响。

Activated Sludge Model No.1 (ASM1) was used for bioreactor modeling. A case study was made for a complex activated sludge process including nitrification, denitrification and aeration. Optimization waas made for three reactor layouts.

采用ASM1模型来模拟生物反应，对包括硝化、反硝化和曝气等复杂过程的活性污泥废水处理系统进行了模拟和优化研究。

MSBR system operates through periods of anoxia, anaerobic, aerobiosis and precipitation, micro-organism can metaboly through multiapproaches, making the degradation of organic matters perfect, the energy consumption low and the good denitrification and dephosphorization.

MSBR 系统的运行经历缺氧、厌氧、好氧、沉淀等阶段，微生物可通过多种途径进行代谢，使有机物的降解更完全且能耗少、除磷脱氮效果好的优点。

Water quality indexes in the course of ammoniation reaction was analysed to provide theoretical guiding for the biological denitrification of meat processing wastewater .

采用ABR工艺对肉类加工废水进行前期氨化处理，通过试验得到最佳水力停留时间为6～8h，氨氮递增率在90%～196%之间；同时发现了厌氧氨氧化这一新现象；最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析，以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

Terrestrial microorganisms play a vital role in soil nitrogen cycling. They participate in important ecological processes such as nitrogen fixation, ammonification, nitrification and denitrification.

土壤微生物在土壤氮循环中发挥着不可替代的作用，参与了包括固氮作用、氨化作用、硝化作用和反硝化作用等重要生态过程。

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。

The influence of anthracite granule size on the denitrification of the three-demension-electrode biofilm reactor was studied.

研究了无烟煤作填充介质时其粒径对复三维电极生物膜反应器脱硝效果的影响。

Based on the previous studies and combined with the national important scientific special item—the projection of water environment improvement and comprehensive demonstration in Suzhou city. The influence to water quality melioration under different conditions of packing types, stuffing rate, air supply and hydraulic loading using water of Miaojia river as experiment water sample; the water contaminate removal ability by the absorption and interception of charcoal filling and the research of the denitrification rate of charcoal filling were discussed in the paper. Furthermore, the activity of the biofilm on savageness and artificialness filling surface in the projection demonstration riverway were also analyses.

本人在总结前人研究的基础上，结合国家重大科技专项——苏州城市水环境质量改善与综合示范项目，研究了不同填料基质、填充率、曝气量、水力负荷条件下生物填料对苏州城市重污染河道水质的改善效果；木炭填料吸附、截留作用对水体污染物去除能力及其反硝化脱氮能力；分析了项目示范区河道内天然填料及人工填料挂膜成熟的生物膜活性。

The mechanisms of simultaneous nitrification and denitrification,short-cut nitrification and denitrification,and denitrifying phosphorus removal are discussed.

膜生物反应通过膜的高效截留作用，可维持反应器内高浓度的生物量，满足硝化菌的生长增殖需求，强化活性污泥的硝化能力。

In 2004, RITS developed a thermal plasma system for medical waste treatment with a capacity of 100 kg/h. Recently, some improvements had been carried out on its main furnace structure and waste feeder, and a experimental investigation on microwave-AC denitrification technology had also been conducted, which was expected to replace previous AC-NH3 denitrification technology. The preliminary results showed that this new technology had a promising foreground.

深圳清华大学研究院在2004年发展了处理量为100 kg/h热等离子体医疗垃圾处置系统，在该系统的基础上，最近再次对主炉结构和自动上料装置进行了结构优化，并对微波-活性炭法脱氮技术进行了实验研究，以期替代原来的活性焦-氨法脱氮工艺，初步的结果表明该技术拥有令人鼓舞的前景。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。