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chemical

  • The influence factors of chemical oxygen demand (COD) and removal effect of chroma during the wet air oxidation of degradation-resistant pesticide wastewater with high salinity were investigated.

    采用湿氧化技术研究盐度、难降解农药废水湿式氧化反应COD去除率影响因素色度去除效果

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  • A method based on all band ultraviolet scanning for measuring water chemical oxygen demand (COD) was introduced, and the method was applied to develop an on-line COD measuring instrument.

    介绍基于紫外波段扫描水质化学需氧量(COD)测量技术以及运用该技术设计开发在线COD测量仪器。

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  • 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.

    快速确定废水污染程度,研究了运用近红外光谱测量废水化学需氧量COD)的可行性。

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  • A method for the rapid and accurate determination of chemical oxygen demand (COD) using potassiumdichromate as oxidant under new conditions is described in this paper.

    本文提出了一种重铬酸钾氧化剂新的条件下快速准确测定化学氧量COD)的方法

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  • The method of flow injection analysis (FIA) is described for continuously measuring chemical oxygen demand (COD) in seawater.

    利用流动注射分析技术(FIA)快速、连续测定海水化学氧量COD)。

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

    叙述研究有机高锰酸盐指数化学需氧量相关关系目的

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  • Temperature had an evident influence on chemical oxygen demand (COD) removal.

    温度系统COD去除能力有着比较明显影响

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  • Chemical Oxygen Demand (COD) is the representative index of sewage water.

    化学需氧量(简称COD)水质污染程度代表性指标

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  • The Chemical Oxygen Demand(COD) and the Chromaticity Color ( CC) reduction rates were 93.94% and 64. 62% respectively.

    经过微电解工艺处理的染料工业废水色度化学需氧量COD)去除率分别为93.94%和64.62%。

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  • There was 75.75% increase on chemical oxygen demand (COD).

    生化耗氧量养殖初、末期相比较升高了75.75%;

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  • Chemical oxygen demand (COD) is a synthetical indicator which represents the degree of organic pollution in water.

    化学需氧量(COD)表征水体有机物污染程度一个综合性指标

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  • An experiment was made on the pharmaceutical wastewater treatment with the contact oxidation process by adding effective microorganisms (em) to remove the chemical oxygen demand (COD).

    应用生物接触氧化投加有效微生物菌群(EM)制药废水化学需氧量去除效果进行试验研究分析。

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  • An experiment was made on the pharmaceutical wastewater treatment with the contact oxidation process by adding effective microorganisms (em) to remove the chemical oxygen demand (COD).

    应用生物接触氧化投加有效微生物菌群(EM)制药废水化学需氧量去除效果进行试验研究分析。

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