查询词典 cod

After secondary bio-oxidation, Water hyacinth adsorption pond is added to further reduce COD, SS and colour index of wastewater, the environmental quality of natural water body is better protected, and deep treatment and good reuse condition of the wastewater are accomplished.

在二级生化之后，增设水葫芦吸附塘进一步降低废水的COD、SS与色度，更好地保护了天然水体的环境质量，且为实现废水的深度处理与回用建立了良好的条件。

Taking Qiantang River Watershed as an example,the water pollution compensation of the watershed was calculated based on the COD concentration of 2004 and hydrological condition of 75% confidence.

以钱塘江流域为例，根据2004年钱塘江流域水质状况，在75%保证率的水文条件下，基于COD通量估算了流域内各县间水污染生态补偿量。

The study was conducted to study the effect of cadmium on the crop seed germination, seedling growth and POD and COD isozymes.

目的］为了研究镉对农作物种子萌发、幼苗生长及POD和COD同工酶的影响。

Chapter 7: The COD〓 distribution in Yangtze River is researched, especially the diffusive coefficient and decay coefficient.

第七章，在流场计算的基础上，以某一流线作边界，重新划分网格，结合环境流体力学的特点对COD浓度的对流、扩散问题进行了专门研究，结合长江及其支流的大量实地资料对扩散系数、衰减系数进行了统计研究及模型率定，得出了一些合理的参数为以后进一步的研究打下了良好的基础。

Excellent and mature COD delivery system of corporation is an advantage of the corporation to provide financial and delivery support to ticket marketing service which covers every places of Harbin city.

优秀成熟的COD配送体系在资金和物流方面为票务营销推广提供支持，是迅速无缝隙覆盖哈尔滨市的有力保障。

It takes about 50d for full-scale anoxic variable rate biofilter with microbe-catalyzed media to finish start-up at 22~28C. When influent flow varies between 485~737m3/d and HRT of biofilter between 7.7~5.0h (HRT of media layer between 3.9~2.6h), effluent COD is below 120 mg/L, SS is below 30 mg/L, and some of effluent BODs is slightly above 30 mg/L (the probability is about 40%) at normal temperature of 17~27C.

5以生物催化填料为载体的生产性缺氧变速生物滤池在22～28℃条件下50d左右完成启动过程；在17～27℃条件下处理城市污水，水量为485～737m~3／d，滤池HRT为7.7～5.0h(填料层HRT为3.9～2.6h)时，出水COD小于120mg／L，SS小于30mg／L，部分BOD_5略大于30mg／L(概率约为40％)。

At first, the initial COD/SO4^2- ratio and pH value were determined, and then the capability of different immobilized carders was investigated by batch experiments.

本工作以提高SRB的还原活性为出发点，通过间歇式实验首先确定适宜的初始COD／SO4^2-比值和pH值，进而探讨固定化载体对SRB还原性能的影响。

Coal is mainly physical adsorption to Cr〓(Ea=9. 245kJ·mol〓). When the concentration of waste water is comparatively low, adsorption rate to Cr〓 reaches 90% or so. The decolor rate is more than 63. 8% when coal depurates Rogor waste water. The COD removal rate is about 12% in purifying life-sewage using coal A.

煤在Cr〓溶液中对Cr〓主要为物理吸附（Ea=9.245kJ·mol〓），当Cr〓浓度较低时其去除率可达90%左右；煤处理乐果废水时脱色率高于63.8%；处理生活废水时COD去除率为12%左右。

The tiny island, a horseshoe-shaped chip of land located 20 miles (32 kilometers) south of Cape Cod, is home to about 10,000 permanent residents.

这个马蹄形状的小岛位于Cape Cod以南20 英里（32公里）处。岛上有10，000 多常住居民。

After the treatment, the value of BOD5/COD is 0.50, the leachates quality of biodegradability is improved.

处理后渗滤液的BOD_5/COD值提高到了0.50，提高了渗滤液的可生化性。

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。