Uˮ̎OΑӡȾUˮ
Uˮ̎OΑӡȾUˮS(zh)˂I(y)a(chn)Uˮɵĭh(hun)ȾԽl(f)ǻW(xu)wSİl(f)չzdӡȾg(sh)M(jn)ӡȾUˮ̎ˇyT(mn)_(ki)ʼҕЇI(y)Uˮ̎@ҲƄ(dng)҇I(y)Uˮ̎O似g(sh)Ј(chng)M(jn)l(f)չI(y)I(y)Uˮ̎OЈ(chng)ǰM(jn)һõչenjӡȾUˮӡȾUˮɫȴAȴɷ֏sy̎
Uˮ̎O̎ӡȾUˮyҪYɂ(g)棺
(1) CODɷyȥӡȾa(chn)ʹõ(BȾ)95%ϜڏUˮCODȸՓ@ЩЙCȾֿ,(sh)Hˮ|(zh)B/Cֵһ^,^ӡȾUˮ߀һЩЙC|(zh),o(w)ՓПo(w),ܱzʳڌ(sh)Ha(chn),@(li)ЙC|(zh)(jng)yЧȥͬr(sh)׃ȾϺZmҲ^y,ɏUˮ̎CODֵȻƫCODȥӡȾUˮ̎ؽQy}֮һ
(2)ɫȏUˮyÓɫӡȾUˮкеȾƷN(li)esÓɫyȺܴa(chn)ȾȾ^ӡȾI(y)һ㶼(hu )ͶȾɫʣȾ^,YԴMa(chn)Ȱl(f)_1,ˏUˮÓɫy
Uˮ̎Oȡ¹ˇӡȾUˮM(jn)̎
Uˮ̎O䑪ӡȾUˮE1ӡȾUˮA̎cA̎еHY̻Fe3+ַõga(chn);E2E1õga(chn){(jng)^(gu)̎c̎еȥga(chn)еɫȲȥCOD|(zh)õڶga(chn);E3E2õڶga(chn){(jng)^(gu)A/O(jng)^(gu)ȱ/Óˇȥڶga(chn)еCOD|(zh)õga(chn);E4E3õga(chn){(jng)^(gu)ĤÓ(jng)^(gu)PPVȥga(chn)Кĺ|(zh)KγҺˮ
Uˮ̎O̎Uˮֻһˮēu@ˮB(zh)gf(wn)ÿһ̎ˮh(hun)Ⱦİf(shu)ǴȻ(li)푵һξoˮYԴ҂؟o(w)JoYԴ؟c(din)
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