COD是什么意思

用法例句

Relationship between the domestic sewage turbidityand chemical oxygen demand;

生活污水浊度与化学需氧量的关系

A Quick Method for Determination of Chemical Oxygen Demand of Saponification Residue;

皂化残液化学需氧量的快速测定方法研究

Research development on the modified method of the chemical oxygen demand determination;

化学需氧量测定改进方法的研究进展

Comparison of Monitoring COD in Water with Rapid Monitoring Method and Potassium Dichromate Method;

快速测定法和重铬酸钾法测定水中化学需氧量之比较

DETERMINATION OF COD IN WASTEWATER EFFLUENTS BY MERCURY-FREE CLOSE-TUBE METHOD;

无汞盐密封法测定高氯浓度水样的化学需氧量

The Proficiency Testing of Lower COD in Water is Verified;

水中超低浓度化学需氧量检测的能力验证

Development of Determination of Chemical Oxygen Demand(COD) by UV Absorption Spectrum;

紫外吸收光谱法直接测定化学需氧量的研究进展

A method is proposed for the determination of chemical oxygen demand(COD) in environmental water samples with merging zone stop-flow injection spectrophotometry in KMnO4 system.

研究了KMnO4体系流动注射合并带停留分光光度法对环境水样中化学需氧量(COD)测定的试验条件,包括反应试剂KMnO4的浓度、载流H2SO4的酸度、采样泵泵速及停留时间、反应温度、试剂体积和采样环体积。

To rapidly determine the pollution extent of wastewater,the potential of near infrared(NIR) spectroscopy for measurement of chemical oxygen demand(COD) in wastewater was investigated.

为快速确定废水的污染程度,研究了运用近红外光谱法测量废水化学需氧量(COD)的可行性。

Study of detections for the CODcr in the waste water with model JHR-1 saving energy COD thermostatic heater;

JHR-1型节能COD恒温加热器测定废水中化学需氧量(CODcr)方法探讨

The result showed that the effluent condition was very stable and had a high CODcr removal rate, the average removal rate was between 75 % and 80 % and the hydrophilicity of fiber could greatly improve the effluent condition.

结果表明:处理后出水稳定,化学需氧量CODcr去除率高,平均CODcr去除率在75%￣80%;改善填料的亲水性能有利于提高出水水质,选用的聚丙烯腈纤维和聚乙烯醇纤维在同等处理条件下的处理效率分别高出参照纤维聚丙烯6。

Ultraviolet spectrophotometry is used to determine the CODCr of landfill leachate.

采用紫外分光光度法对垃圾渗沥液中的化学需氧量(Chemical Oxygen Demand,CODCr)进行了测定。

The purpose of studying the correlation of total organic carbon (TOC) with permanganate index and chemical oxygen demand (COD) has been stated.

叙述了研究总有机碳与高锰酸盐指数及化学需氧量相关关系的目的。

The results showed that the removal efficiency of chemical oxygen demand (COD) and decoloration efficiency were above 95%.

结果表明，经过该法处理后，废水中的化学需氧量（Ｃｈｅｍｉｃａｌ Ｏｘｙｇｅｎ Ｄｅｍａｎｄ ，ＣＯＤ） 和色度的去除率都在９５ ％ 以上。

In this paper, ion interferences in the flow injection analysis (FIA) of Chemical Oxygen Demand (COD) using Boron-Doped Diamond (BDD) electrode were investigated and a mathematical method for chloride reduction was proposed.

本文对掺硼金刚石(BDD)膜电极结合流动注射(FIA)化学需氧量(COD)测定的干扰离子进行分析,并提出消除氯离子干扰的有效方法。

Chemical Oxygen Demand--Total [CODt]

化学需氧量（总数）

Chemical Oxygen Demand--Settled [CODs]

化学需氧量（沉淀）

determination of the chemical oxygen demand

化学需氧量的测定方法

Comparison of Permanganate Index, COD and BOD

辨析高锰酸盐指数、化学需氧量、生化需氧量

Development of Seawater Chemical Oxygen Demand Measurement Instrument Based on Ozone Analysis

臭氧法海水化学需氧量测量仪的研制

quantitative analysis of BOD

生物化学需氧量的定量测定

Reaseach on Measurement of Chemical Oxygen Demand in Seawater by Flow Injection Ozonation Chemiluminescence;

流动注射臭氧氧化化学发光法测量海水化学需氧量的研究

Rapid determination of chemical oxygen demand using a nano-TiO_2-and-K_2Cr_2O_7 photocatalytic oxidation system

纳米二氧化钛重铬酸钾协同光催化氧化体系快速测定化学需氧量

automatic BOD analyzer

生物化学需氧量自动分析仪

Determination of COD in Wastewater by Potassium Dichromate Colorimetric Method

重铬酸钾比色法测定水中化学需氧量

Microwave digestion spectrophotometric determination of COD

微波消解光度法测定水中化学需氧量

Discussion on Determination Method of the Chemical Oxygen Demand in Water and Waste Water

水和废水中化学需氧量测定方法探讨

Development of LC-4D chemical oxygen demand measurement instrument

LC-4D化学需氧量测定仪的研制

Simple chemical oxygen demand(COD) determination method by chemiluminescence

一种简便化学发光—化学需氧量测定方法

The Determination of the CODcr and Proteins by Flow Injection-Chemiluminescence Methods;

流动注射化学发光测定化学需氧量和蛋白质

COD;chemical oxygen demand

化学需氧量(衡量水污染程度的一个指标)

Current Situation and Countermeasures of Sulfur Dioxide and Chemical Oxygen Demand Total Amount Control in Tanggu District;

塘沽区二氧化硫、化学需氧量总量控制的现状及对策

Determination of COD in Industrial Wastewater with High speed Catalytic Method

催化快速法测定工业废水中的化学需氧量