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(qun)•҂ԭ(chung)Ҳעطвփ(ni)݁(li)Ի“(lin)W(wng)(qun)wԭHW(xu)(x)ֹ̘֮I(y);ƽ_(ti)(du)D(zhun)dă(ni)ݡ^c(din)Дౣ(du)(ni)ݵĜ(zhn)_ɿԻṩκʾʾıCHx߅o(w)ַĂ(g)ýw˾ I(y)(g)˵ȵ֪R(sh)a(chn)(qun)Ո(qng)“(lin)ϵhxx

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ˮ͹I(y)UˮČ(sh)(yn)ҷ

I(y)ˮ֞

ȸ(j)I(y)UˮкеҪȾĻW(xu)|(zh)M(jn)зo(w)C(j)UˮҪПo(w)C(j)ȾҪЙC(j)ȾЙC(j)Uˮ像UˮxVˇUˮǟo(w)C(j)UˮʳƷʯͼӹˇUˮЙC(j)Uˮ

ڶa(chn)ƷǹI(y)I(y)͌(du)ұUˮUˮ?fn)t⣬ϴUˮW(xu)ϏUUȾϏUˮUˮr(nng)ˎUֲUȴ

Ǹ(j)UˮȾҪɷM(jn)зԏUˮAԏUˮUˮtUˮkUˮUˮӏUˮȩUˮʯ͏UˮUˮЙC(j)׏UˮͷԏUˮ

(sh)(yn)ҏUˮķ

ڶ(j)Ⱦ̶(sh)(yn)ҏUˮɷ֞ߝȺ͵͝ߝȌ(sh)(yn)ҏUˮҪɷ֞ҺwʧЧԇ(UϴҺUЙC(j)܄Uԇ))Һw(sh)(yn)Uga(chn)(NЙC(j)܄xęC(j)Һwa(chn))͝Ȍ(sh)(yn)ҏUˮָȵԵ͵Č(sh)(yn)ŷŵČ(sh)(yn)ˮԼNϴҺ(a(chn)Ʒga(chn)ƷϴҺxߵĝ(rn)ҺϴUˮ))Ե͡ȵ͵ďUҺsͼӟĿĵˮ

UˮҪȾ|(zh)Է֞ЙC(j)͟o(w)C(j)U(sh)(yn)҃ɴҪo(w)C(j)Uﺬؽؽٽj(lu)軯ȟo(w)C(j)uxгҎ(gu)ЙC(j)܄ЙC(j)ѣ“(lin)ЙC(j)׻ʯ|(zh)ЙC(j)Uˮ

Uˮ̎

һxӽQxӽQҪB(ti)xӽQQUˮекxUˮекxӡԓؽ?gu)Uˮ̎ɻؽxӡԓЧЧ|(zh)ɻ(yng)ú(jin)θЧă(yu)c(din)ڌ(sh)HďUˮ̎^(gu)ڽQɱصӰ푣Uˮ̎ķdzԓ(du)UˮA(y)̎Ҫ^mڴďUˮ̎

B͸늝BW(xu)̎B͸늝B(du)Uˮ̎Чã̎ˮѭh(hun)(yng)óɱߣm(yng)Uˮ̎@Nđ(yng)÷dz

3.늽߀ԭ_ָнxጷW(xu)ˮ̎^(gu)̵ҪܣĶ@ЩW(xu)ίĹЧҲUˮ늽߀ԭҪ(yng)xUˮxȾҪʹ늽߀ԭF늘Oֱ^(gu)̵Ӱ푣FܽBm(x)FxңUˮеĚxҲ^m(x)p?gu)UˮpH@(g)r(sh)򱻸߉AԏUˮؽxc@ӵĭh(hun)еďUˮĚxӽY(ji)ɚҲɷֹĉAԏUˮ_ؽxӵĪ(d)ԡ

@Щ(d)ؽxc(yng)OܽFe3+Fe2+(yng)Fe(OH)3Fe(OH)2@Щ|(zh)(du)ˮеzw|(zh)к܏(qing)ճY(ji)ԺĶ_(d)ˮ|(zh)Ŀ

Ȼ(dng)늽߀ԭ̎ˮеďUxӕr(sh)ҪܺFɱ^ڏUˮмmʳ}ԜpܵҲӏUˮе}ʹ̎ďUˮѭh(hun)ʹ늽߀ԭđ(yng)÷dz..

 4.r(ji)FʯҷF - ʯﻯ̎UˮVđ(yng)ãHڏUˮktҲ^ߵĽ(jng)(j)Ч棬ӹɱЧίȾͶYСc(din)F} - ʯ^(gu)(hu)a(chn)Fe(OH) 3Fe(OH)2еďUˮۼˮ͏Uˮzw|(zh)ktF}ڏUˮxӱ턩Cr6 +ҲкܺõίӰ푡F - ʯ̎˴ڑ(yng)^(gu)еijиđ(yng)÷


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ƽ_(ti)(du)D(zhun)dă(ni)^c(din)Дౣ(du)(ni)ݵĜ(zhn)_ԡɿԻṩκʾʾıCHx߅o(w)ַĂ(g)ýw˾ I(y)(g)˵ȵ֪R(sh)a(chn)(qun)Ո(qng)“(lin)ϵhxx

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