查询词典 cod

The phytoplankton diversity was restricted by environment factor such as water temperature, salinity, COD, biomass, species.

浮游植物多样性主要受水温、盐度、COD、生物量、物种数等环境因子的制约。

Similar as traditional activated sludge system, when the water temperature was below 4℃, sludge bacteria went into dominancy phase and metabolism stopped. All the removal of nitrogen and COD was due to membrane blockage.

与传统活性污泥系统类似，在水温低于4℃的情况下，MBR反应器内的微生物进入休眠状态，无法对水中污染物质进行分解代谢，对于氨氮和COD的去除均由膜组件的物理截留造成。

By use of the orbital ergodic property of chaotic optimization and the learning, memory, association and fault-tolerant functions of artificial neutral network, the optimization of the pollutant-receiving water system in a mine reform project was made so as to effectively control the main pollutants such as COD,Pb etc.whic...

利用混沌优化的轨道遍历性和人工神经网络的学习、记忆、联想和容错性，对某矿山扩建项目中污染物的受纳水系进行优化，以有效地控制生产过程中的主要污染物如COD ，Pb等。

Results show that: annually input of TN to everglade of Dongting Lake was 670132.47 t, TP was 41103.85 t; COD input was

结果表明：每年输入湿地TN 670132.47 t、TP 41103.85 t，COD输入317849.26 t，重金属元素、有污染的无机和有机化合物输入量

There are good remove effect on the kjeldahl nitrogen and COD of leachate in aerobic reciculation, the rate of exorcize of kjeldahl nitrogen in aerobic columns rise steadily to about 90% in the start, steady about 90% finally.

好氧回灌对渗滤液中的COD和凯氏氮有很好的去除效果，好氧柱中凯氏氮的去除率在初始阶段呈现稳步上升，最后稳定在90%左右。

The results showed that the COD of the influent and effuent of the wetland followed the rule of exponential equation.

结果表明，湿地进出水COD服从指数方程规律。

With the chemical flocculant help,It can reduce Ssand COD of the water in the maximum extent .

在化学絮凝剂的帮助下，可以最大程度上降低污水中的ss和COD。

I learned more about fishing for halibut and cod than I had ever known before, or would likely ever need to know.

我学到更多关于捕捞大比目鱼和COD比我所知道，或可能会越来越需要了解的。

Bought at noon, spent about six half-hour customs clearance, following a few simple personal experience to talk about the whole, cod4 is still very obvious progress, but also as to the mode of modern warfare series made a good start, cod The hot, high-paced high-intensity infantry against these two characteristics of a good inheritance and extension.

中午买回来，大概用了6个半小时通关，下面简单说说几个个人心得，总体来说，cod4还是进步非常明显的，而且也算是给该系列的现代战争模式开了一个好头，cod的火爆，步兵高节奏高强度对抗这两个特点很好的继承和延伸。

Wastewater Treatment; Activated Sludge Model; Respirometry; Hybrid Respirometer; Software; COD Characterization; Standard Methods

废水处理；活性污泥模型；呼吸测量法；混合呼吸仪；软件； COD表征；标准化方法

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。