查询词典 COD

Aim To affect COD removal efficiency of wastewater by using copper and cerium oxide catalysts.

目的研究Cu／Ce复合金属氧化物对废水催化氧化程度的影响。

The values of chemical oxygen demand of raw rain water reached to 1.91～2.21 mg/L. The removal rates induced by water purifier were 9.5%～21.8% for COD, 12.1% and 13.1% for total organic carbon and humic acid respectively.

雨水耗氧量1.91～2.21mg／L，其去除率9.5％～21.8％；总有机碳和腐殖酸的去除率分别为12.1％和13.1％。

In this article,the research progress in determination of COD in high chloride water samples is briefly summarized.

文章对高氯离子水样COD测定方法的研究进展作了简要综述。

Temperature and reaction time of wastewater on the removal rate of COD and chroma were investigated.

考察了废水pH、粒度、炭铁比、温度、反应时间等因素对废水COD和色度去除率的影响。

It states that, by using this process, the removal rates of COD Cr and chromaticity are over 90.2% and 99.1% respectively.

实验结果表明，该法可使印染废水的CODCr与色度去除率分别达到 90 。2 %和 99.1%。

Results showed that the use of micro-electrolysis technology could remove more than 90 % of chromaticity and more than 50 % of COD and greatly improved the biodegradability of pharmaceutical wastewater.

结果表明，使用微电解技术可消除90%以上，超过50色度成大大改善了生化需氧量和制药废水。

The dyes wastewater of magenta fuchsine、acid chrome ming blue RRN and acid chrome fast red S-80 are all characterized by high COD Cr ,high colority,complication of organic components, and they are not easy to be biodegrated.

碱性品红，酸性媒介藏青RRN，酸性媒介红S—80，三种染料废水均具有高CODCr、高色度、有机物含量复杂且不易被微生物降解等特点。

BKD-1 which was synthesized in the laboratory is an effective coagulator for the leachate to decrease COD、color and odor, and the sediment velocity is fast. The function of the-OH group was identified by IR. Fenton, the reagent was studied systematically for leachate processing; Activated charcoal acts as a catalyst in the oxidation-reaction.

本研究采用自行研制高效混凝剂—BKD-1预处理渗滤液效果明显好于其它常规无机混凝剂和有机絮凝剂PAM，COD和色度去除率较高，絮体沉降快，采用红外光谱分析表明羟基架桥作用是该混凝剂混凝的主要机理之一。

The principal animal oils are cod-liver oil and oil found in the yolk of egg; principal vegetable oils are olive, cottonseed, poppy, and cocoanut oils, peanut oil, and oils in various nuts.

主要动物油脂是：鱼肝油、蛋黄油。主要植物油脂有：橄榄油、棉籽油罂粟油、可可油、花生油及各种干果油。

Then they wiped some cod-liver oil on oneself's mouth Cape, good can make them talk tactful.

然后他们就在自己的嘴角上擦了一些鱼肝油，好使他们能够说话圆滑。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。