脱氮的

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。

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。

A process of wastewater treatment is introduced. Cultivation, docility, operation management and problems existing in sewage treatment are stressed.

介绍了采用A2/O生物脱氮工艺处理焦化废水的工艺流程，重点用述了污泥的培养、驯化和运行管理及应注意的问题。

When heterotrophic bacteria were washed out while autotrophic bacteria were accumulated, the sludge mainly was bacilliform floccule, but the sludge was petallike when the steady nitrification was set up and part nitrogen removal function was reached. The lack of organic carbon source made autotrophic bacterium become the dominates and the microbial community structures become simple.

经过成功启动并稳定运行后，单级自养脱氮系统内随着反应器内有机碳源的减少，系统中自养细菌在同异养细菌的竞争中逐渐占据优势地位，适应能力较弱或对有机碳源量要求较高的异养细菌则被大量淘汰，微生物群落结构与接种污泥相比已变得简单且较稳定，种群多样性降低。

The results showed that molecular weight of malate dehydrogenase was 69 kDa which included two subunits with the molecular weight was about 34 kDa. The optimal pH, temperature and Km were 8.0, 50℃ and 84. 6μmol/L (oxaloacetic acid, pH 8.3), respectively.

结果表明：苹果酸脱氮酶的相对分子质量约为69000，含有2个亚基，每个亚基的相对分子质量约为34000；该酶的最适作用pH为8.0，最适作用温度为50℃；K值为84.6μmol/L（草酰乙酸，pH8.3）。

Results of P-uptake experiments show that 11 isolates have denitrifying and P-uptake ability, and JB2 and JB3 identified as Pseudomonas and Alcaligenes have the best P-uptake ability. After 8 h, 13.76 mg/L and 11.85 mg/L PO(superscript 3- subscript 4)-P can be removed.

结果表明有11株菌均具有不同程度反硝化吸磷能力，其中假单胞菌属的JB2和产碱菌属的JB3脱氮除磷效果最好，8h后磷的去除量分别为13.76mg/L和11.85mg/L。

LY could utilize the organic carbon as the source of assimilation when they grew on glucose and ammonium chloride medium companying the formation of oxidized-nitrogen. They also could denitrify nitrate while nitrification.

LY具有异养微生物的性质，在充分利用有机碳进行有氧呼吸的同时还具有较强的硝化及脱氮能力。

The technology of N, P removing has become one of hotpots of studies and application in wastewater treatment field.

废水的除磷、脱氮技术已成为水处理领域里研究开发和应用的热点之一。

Firstly,establish the ecological environmental protect strip around the lake,efficiently deal with the farmland drainage.Using the pump station at the end of gutter pumps water to irrigate reed wetland.To practice man-made raising reedland.Using biology to clean up water to reduce salinity,nitrogen and phosphorus.To desalt the Beston Lake water.

首先要确立环湖生态环境保护带，使大部分农田排水得到有效处理，利用排水沟末端的扬排泵站抽取农田排出的水灌溉湖滨沼泽芦苇，实行人工育苇，利用生物净水作用减少入湖盐量和脱氮除磷，促进博斯腾湖水质淡化。

RN-1 catalyst has a prem ium hydrodenitrogenation performance. It can be used in hydrotreating of 150BS a nd 150SN oil.

RN-1催化剂具有优良的脱氮性能，可以作为润滑油基础油生产的加氢精制催化剂。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。