查询词典 wastewater

The Crosslinked Chitosan/Pulverous Activated Carbon was used as a new type of compound adsorbent in batch adsorption experiments for nitrate nitrogen removal in wastewater.

制备了以壳聚糖和粉末活性炭为原料的戊二醛交联壳聚糖／活性炭复配吸附剂，并探讨了复配吸附剂对水中硝酸盐的吸附性能的影响。

Compared with the existing coagulant, this new type of high-performance composite PFS purificant PISC for the main characteristics of wastewater treatment is low, low cost, effective and wide scope of application, the formation of large flocs, the settlement soon and easy to deal with dehydration.

与现有混凝剂相比，这种新型的高效复合聚铁净化剂PISC用于废水处理的主要特点是用量少、成本低、效果好、适用范围宽、所形成的絮体大、沉降快，易于脱水处理。

After 3 hours rection time, the removal of COD and NH3-N are up to 95% and to 70%;(3) A polot (0.25t/h) study of municipal waste water treatment by photocatalysis-ozonation was done in Wuhan municipal wastewater treatment plant.

结果表明，在反应3hr后，废水中COD去除率达到95%，氨氮去除率达到70%；(3)在武汉水质净化厂完成了UV/ TiO_2/O_3法处理城市污水中试研究(0.25t/h)，在停留时间为2hr时，COD出水低于30mg/L，此时吨水处理成本为2.56元。

The results indicate that the p retreatment process can improve biodegradability of the wastewater and reduce COD and colority,result

文摘：采用铁屑过滤法预处理可生化性差的印染废水，能改善废水的可生化性，降低废水的COD和色度，有利于后续生化处理。

A quantitative competitive PCR system was developed to quantify the number and analyze the function of the Rhodococcus ruber Em1 strain in a wastewater treatment system in Nanchong oil refinery plant.

应用竞争性定量PCR技术，对石化废水处理系统中投加的高效芳烃降解菌株Rhodococcus ruber Em1数量变化趋势及其作用进行了分析。

Alter the extraction of ribonucleic acid and deribonucleic yeast,the BOD5,and CODcr of the wastewater decrease by 81％and 78％ respectively.

提取核糖核酸和脱核酵母后废水的BOD5 和CODcr分别下降81％和78％以上。

The biomass photosynthesis activity of Ruppia maritima and Potamogeton pectinatus and the proline,malondialdehyde,catalase,and chlorophyll contents in their leaf-tissues in response to salinity were studied by investigating the plants cultured with reclaimed wastewater of different salinities.

通过在不同盐度再生水中培养川蔓藻和蓖齿眼子菜，研究了它们的生物量、光合强度及其组织中的脯氨酸、丙二醛、过氧化氢酶和叶绿素的含量变化对再生水中盐度的响应。

Guangzhou City Environmental Protection Bureau Chief Engineer Salicaceae told reporters that a high content of organic milk, the COD (chemical oxygen demand, detect water pollution indicators) amounted to 3,000 mg / l, while the untreated wastewater COD paper only 1000 mg / l; addition, as the issue of dumping milk containing melamine,"It's a question of the food chain as far as possible the post-diluted melamine content is low, almost not detected, but based on people's health is a highly responsible attitude In order to avoid the problem of milk contaminated fish the river."

广州市环保局总工程师杨柳告诉记者，牛奶中有机物含量很高，其COD(化学需氧量，检测水体污染程度的指标)达3000毫克/升，而未经处理的造纸废水的COD只有1000毫克/升；此外，由于倾倒的问题牛奶中含有三聚氰胺，&这有一个食物链的问题，尽量被稀释后的三聚氰胺含量很低，几乎检测不到，但本着对人民健康高度负责的态度，要避免问题牛奶污染河中的鱼类。&

When the dosage of PAC with 75% of base saturability is 0.6 g\L water, the removal rate of COD is 69%, removal rate of SS is 84%, the treated wastewater can meet the requirement of the discharging standard

对于选用的75%的PAC，当投药量为0.6g\L时，COD 去除率达69%，SS 去除率为84%，处理后的废水达到国家排放标准。

The treatment of the grey water of paper industry from Xihuafeng, Wuzhi, Henan province has been stated as follows: When the dosage of PAC with 75% of base saturability is 0.6 g/L water, the removal rate of COD is 69%, removal rate of SS is 84%, the treated wastewater can meet the requirement of the discharging standard

对于河南武陟县西滑丰造纸厂选用的75%的PAC，当投药量为0.6 g/L时，COD去除率达69%，SS去除率为84%，处理后的废水达到国家排放标准。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。