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    oa۠h(hun)Ƽ޹˾н B͸ˮO(sh)b׹؛ؓ(f)؟(z)\(yn)ݔb{(dio)ԇӖ(xn)һl(w) B͸ϵy(tng)ԭˮáˎ|(zh)^V̿^VVbROá蹸^V߉B͸ĤԼ(yng)ăxxyTC(j)ܼܵȽMB͸ĤһNɉ(q)ӵ͸߷ӷxĤډƄҺеˮ͸^Ĥxӡ(x)ȱĶ_(d)ˮĿB͸ĤĿ׏С1nmЧȥrxһrxӵȥʿ_(d)95-99%ͷЙC(j)ȥʿ_(d)100%Чȥԭ΢N(x)ͲB͸ϵy(tng)܉ȥԭˮ97-99%ϵĵV|(zh)(x)ԭ(x)(ni)صB͸b^xӽQfO(sh)oAȾ\(yn)M(fi)õ͵ȃ(yu)c(din)ʹB͸bìF(xin)𲽴xӽQ

   

    B͸ַQB͸һNԉƄҺзx܄ĤxĤһ(c)ҺʩӉ(dng)^ĝB͸r܄ȻB͸ķB͸ĶĤĵ͉(c)õ͸^܄B͸Һ߉(c)õsҺsҺ÷B͸̎ˮĤĵ͉(c)õˮڸ߉(c)õuˮ

    B͸r܄ĝB͸ʼҺN飺

    N=Kh(p)

    ʽKhˮB͸ϵ(sh)SضpĤɂ(c)oОĤɂ(c)ҺĝB͸ϡҺĝB͸О飺

    =iCRT

    ʽi|(zh)xɵxӔ(sh)C|(zh)ĦȣRĦw(sh)T^ض

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    B͸ĤܽˮеĸNoC(j)xzw|(zh)ʹ|(zh)ĶȡÃƵˮҲڴЙC(j)ҺA(y)sڷB͸^̺Σܺĵ20õѸٰl(f)չF(xin)ѴҎ(gu)ģ(yng)ںˮͿˮҊuˮ偠tˮܛ͏Uˮ̎cxӽQY(ji)ȡ߼ˮ䑪(yng)÷ڔU(ku)_ʼƷ֭ĝsԼƄķx͝s

    B͸g(sh)ͨںˮˮĵˮˮܛ̎Uˮ̎ԼʳƷt(y)ˎI(y)W(xu)I(y)ἃsxȷB͸g(sh)(yng)A(y)}̎Ҳȡ^õЧ܉ʹxӽQ֬ؓ(f)ɜpp90%֬Ҳɜp90%ˣH(ji)sM(fi)߀ڭh(hun)o(h)B͸g(sh)߀ڳˮе΢ЙC(j)|(zh)zwppxӽQ֬ȾLʹÉõ

    ԭ

    ͬweϡҺ絭ˮ͝Һ纣ˮ}ˮքeһăɂ(c)gð͸ĤϡҺе܄ȻĴ^͸ĤҺ(c)Һ(c)ҺϡҺҺ߳һ߶γһ_(d)B͸ƽB(ti)˷NB͸B͸ĴСQڝҺķNȺ͜ضc͸Ĥ|(zh)oP(gun)ڝҺ(c)ʩһڝB͸ĉrҺе܄ϡҺ˷N܄ӷcԭB͸ķ෴@һ^̷Q鷴B͸

    (yng)÷

    μB͸m늌(do)С500S/cmˮ|(zh)

    ˮ늌(do) 1-10S/cm

    ˇ̣

    ͨ^ԭˮռԭˮM(jn)ˮoԭˮͨ^ˮݔ͵ʯӢɰ^V̼^VxܛM(jn)гˮ̎(jng)^A(y)̎ˮڽ(jng)^^VַQ^VM(jn)뷴B͸C(j)M(jn)зB͸̎B͸C(j)Ҫļˮ̎ϵy(tng)̎ɵˮͨ^ˮM(jn)ݔˮ̎ɺͨ^I(y)ĹbO(sh)M(jn)йbQͰˮСƿˮ

    (yng)÷

    ̫ˮˮsˮƂ 켰ˮ t(y)ˎӵИI(y)ˮǰƂ ˇĝsxἃˮƂ 偠ta(b)oˮ}ܛˮ ˮˮ 켈僡ӡȾʳƷИI(y)ˮUˮ̎ˮ̎

    Ը߷ӷxĤĤxg(sh)һN͡ЧwxԪg(sh)30ȡ˲Ŀwٰl(f)չяV(yng)ڇ(jng)(j)ĸI(lng)

  

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