案例2005 第四题 COD去除率计算

zzl268 · 发表于 2012-5-10 20:37

案例2005真题第四题[img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/353910439/QQ/WinTemp/RichOle/[H)Z%~62XAT7Z8QQLJOYINL.jpg[/img]
[img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/353910439/QQ/WinTemp/RichOle/$[}[2VKV]6GIWOMZ]IM(E4A.jpg[/img]
疑问：灌区污水COD监测浓度取平均值200，
案例50题
[img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/353910439/QQ/WinTemp/RichOle/`IEX@8~EN8A~[DBHPMP1[M2.jpg[/img]
[img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/353910439/QQ/WinTemp/RichOle/Y@R(`GKS02XM(]J)[8@O]6X.jpg[/img]

file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/353910439/QQ/WinTemp/RichOle/~A)~IDB$N5DOKNVEF5(LJP8.jpg
[img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/353910439/QQ/WinTemp/RichOle/`N9]}S@PK135J[{`5L1)~LN.jpg[/img]
其中COD总排放量=147*70*300*10^3*10^-9 t/a=3.087 t/a
其ＣＯＤ取得是最大值
疑问？
听何老师的？还是彭老师的？
计算的时候是应该取监测值的最大值还是平均值？个人觉得取最大值，求助高手指点迷津！！！