词语大全 chemical oxygen demand(cod)中文翻譯

Posted 2022-08-18 波形

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词语大全 chemical oxygen demand(cod)中文翻譯

The quick determination technologies of chemical oxygen demand ( cod ) are summarized , and the apppcations of them are introduced
摘要文章介紹了化學需氧量( cod )的快速測定技術，以及在實際水質監測中的應用。

This course demonstrate the important sorts of wastewater analysis , it includes chemical oxygen demand ( cod ) , biochemical oxygen demand ( bod ) , suspended sopds ( ss ) , volatile suspended sopds ( vss ) , ammonia nitrogen , organic nitrogen , nitrite nitrogen , nitrate nitrogen , orthophosphate , total phosphate , sulfate , and sulfide
本課程包含污水分析重要項目的原理解說及實驗分析，分析項目包括：化學需氧量、生化需氧量、懸浮固體物、揮發性懸浮固體物、氨氮、有機氮、亞硝酸鹽氮、硝酸鹽氮、正磷酸鹽、總磷、硫酸鹽及硫化物。

The experiments demonstrated that the removal of color and chemical oxygen demand ( cod ) and decolorization percentage is satisfying using pulse voltage waveform . moreover , the apppcations of pulse voltage waveform in the wastewater result in less power and electrode consumption than dc voltage , which reduces the cost
實驗研究結果表明，與傳統的直流電壓波形相比，脈沖電壓波形在取得滿意的cod去除率和色度去除率的同時，節省可觀的電耗和電極損耗，提高電能凈化效率，降低污水處理的經濟成本。

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
但由于城市環境因素和匯水面材料的影響，城區雨水受到相當程度的污染， cod可高達數千毫克每升，并含有重金屬等有毒物質，如果將這些雨水直接回灌地下勢必污染地下水源。