查询词典 denitrifying

Nitrite can be used as electron acceptor in denitrifying phosphorus removal.

7在sBR内温度为25℃，pH为7一7.5的条件下研究了反硝化聚磷颗粒污泥的培养过程、理化特性及颗粒污泥降解污染物的能力。

The impact of denitrifying bacteria, soil diameter and soil-column height upon denitrification was investigated, and the enrichment of 15 in the effluent was presented.

动态试验考查了反硝化细菌、土壤粒径和土柱高度对反硝化作用的影响，并应用15N说明了出水中硝酸盐氮的富集作用。

The A2N process was set up in two-sludge system, in which nitrifies were separated from denitrifying phosphorus removal bacteria in a nitrification biofilm reactor, whereas DPB sludge was recalculated between an anaerobic reactor and an anoxic reactor.

A2N系统的DPB污泥絮体凝聚较好且颗粒较大，污泥的SVI通常处于52－92mL/g之间。

This product is composed of high-effect compound bacillus, photosynthetic bacteria, nitrifying bacteria, denitrifying bacteria, sulfurizing bacteria etc.

本品由高效复合芽孢杆菌、光合菌、硝化菌、反硝化菌、硫化菌等有益菌群组成。

With the increase of establishment years, most of plant communities on the grasslands showed a "V" type change trend in their quantities, i.e., high-low-high, hut the forbs biomass had a "Λ" type change trend and the sedge biomass increased gradually. Soil nutrients presented a "V" type hut soil hulk density presented a "Λ" type change trend, bile soil pH presented a decreasing trend. Most of soil microbial physiological groups and microbial biomass carbon showed a "V" type change trend, phosphorus-dissolving bacteria showed a "Λ" type change trend, denitrifying bacteria decreased gradually, while cellulose-decomposing bacteria showed an increasing trend.

结果表明：随着人工草地建植年限的增加，植物群落的数量特征多呈高－低－高、杂类草生物量低－高－底、莎草生物量增加的趋势；土壤养分变化为高－低－高、容重为低－高－底、pH呈下降趋势；土壤中多数微生物的数量及微生物生物量碳含量的变化为高－低－高，纤维素分解菌数量逐渐升高，而反硝化菌数量逐年下降，溶磷菌数量呈低－高－低的动态变化。

A denitrifying oxide catalyst contains one prous metal carrier, ZSM-5 zeolite directly crystallized on said carrier and one metallic iron chosen from IB family or VIII family or their mixture. Said porous metal carrier contains at least one of prous Ni-Al, Fe-Al or Cu-Al alloys.

一种含ZSM－5沸石的脱氮氧化物催化剂含有一种多孔金属载体和直接晶化在该载体上的ZSM－5沸石和一种选自ⅠB族、Ⅷ族的金属离子或其混合物，所述多孔金属载体至少含有一种多孔镍－铝、铁－铝或铜－铝合金。

In the three SBR reactors,the phenomenons of denitrifying dephosphatation with NO3——N and NO2——N as electron acceptors and the traditional biological phosphorus accumulation with O2 as electron acceptor were investigated respectively.

在3个SBR反应器中，分别考察了以NO3--N和NO2--N为电子受体的反硝化除磷现象，以及传统以O2为电子受体的生物聚磷现象。

Through boring and gathering water in natural reed wetland, the concentration of three kinds of nitrogen (nitrate-N, nitrite-N and ammonia-N) and the quantities of denitrifying bacteria in the soil of different depths were sampled and analyzed in the bloom period of reeds.

在芦苇生长旺盛阶段（3-5月），在芦苇湿地钻孔，聚水，取样分析了水中三氮含量及水孔不同深度土壤中反硝化细菌的数量。

Finally, 20 strains aerobic denitrifying bacteria, which have higher denitrification efficiency, are isolated from the activated sludge, and the further research for the 3 strains out of the 20 are carried cot.

从完成驯化的污泥中筛选出20株具有较高脱氮效率的好氧反硝化细菌，并对其中的3株FW3、FW6和FR4进行了进一步的研究。

To investigate the responding behavior of denitrifying bacteria to different carbon source (i.e. methanol, ethanol, sodium acetate, sodium propionate, glucose, domestic wastewater and endogenous carbon source), several batch experiments using the sludge from the Carrousel oxidation ditch were carried out at 15.4℃±0.8℃.

为了研究低温环境下反硝化细菌对各种碳源的直接反应，利用Carrousel氧化沟系统的活性污泥，以甲醇、乙醇、乙酸钠、丙酸钠、葡萄糖、生活污水及内源物质为碳源，在15.4℃±0.8℃低温状态下开展序批式缺氧反硝化试验。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。