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chemical oxygen demand(cod)中文是什么意思

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  • 化学含氧量

例句与用法

  • The quick determination technologies of chemical oxygen demand ( cod ) are summarized , and the applications of them are introduced
    摘要文章介绍了化学需氧量( cod )的快速测定技术,以及在实际水质监测中的应用。
  • This course demonstrate the important sorts of wastewater analysis , it includes chemical oxygen demand ( cod ) , biochemical oxygen demand ( bod ) , suspended solids ( ss ) , volatile suspended solids ( vss ) , ammonia nitrogen , organic nitrogen , nitrite nitrogen , nitrate nitrogen , orthophosphate , total phosphate , sulfate , and sulfide
    本课程包含污水分析重要项目的原理解说及实验分析,分析项目包括:化学需氧量、生化需氧量、悬浮固体物、挥发性悬浮固体物、氨氮、有机氮、亚硝酸盐氮、硝酸盐氮、正磷酸盐、总磷、硫酸盐及硫化物。
  • The experiments demonstrated that the removal of color and chemical oxygen demand ( cod ) and decolorization percentage is satisfying using pulse voltage waveform . moreover , the applications of pulse voltage waveform in the wastewater result in less power and electrode consumption than dc voltage , which reduces the cost
    实验研究结果表明,与传统的直流电压波形相比,脉冲电压波形在取得满意的cod去除率和色度去除率的同时,节省可观的电耗和电极损耗,提高电能净化效率,降低污水处理的经济成本。
  • Whereas being influenced by environment factors and influx material characters , urban rainwater is polluted in some degree and its content of chemical oxygen demand ( cod ) reaching thousands mg / l and containing some poisonous matter such as heavy metal etc . if this polluted rainwater is filled to ground , it must pollute groundwater
    但由于城市环境因素和汇水面材料的影响,城区雨水受到相当程度的污染, cod可高达数千毫克每升,并含有重金属等有毒物质,如果将这些雨水直接回灌地下势必污染地下水源。
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