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1)  chemical oxygen demand(COD)
化学需氧量(COD)
1.
The effective factors such as content of SEPZ,aeration mode,biodegradation temperature and initial chemical oxygen demand(COD) were investigated.
考察了菌种浓度、曝气方式、降解温度、初始化学需氧量(COD)等因素对降解效果的影响。
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2)  Chemical oxygen demand (COD)
化学需氧量(COD)
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3)  chemical oxygen demand
化学需氧量(COD)
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4)  COD [英][,si: əʊ 'di:]  [美]['si 'o 'di]
化学需氧量(COD)
1.
The functions of flotation reagents pollution to water were described in this paper,and the contribution of chemical oxygen deman(dCOD) caused by flotation reagents were studied,the specific methods and approaches were put forward to exploring the water resources protection and sustainable development of mining area.
文中对矿山浮选药剂的水体污染作用进行了阐述,并对各种浮选药剂对水体化学需氧量(COD)的贡献进行了试验研究,为矿区水资源保护和可持续发展提出了途径和方法。
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5)  Chemical oxygen demand COD
化学需氧量COD
6)  chemical oxygen demand(COD) removal
化学需氧量(COD)去除
补充资料：需氧量


需氧量


临床治疗某些缺氧病人时，达到纠正缺氧目的所需的氧量。根据疾病种类和缺氧的严重程度不同而有差异。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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