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:,,1978,,3(No.001200217)ASBR3121(1.,453002;21,450001)(ASBR),,,,CODCr95%1.52.5cm,,,,,,,,,,(ASBR),,,11.11.1.1:,11mgöL(pH)pHCODCrBOD5TSSTNTP5.77.02800141065033105.56.520000400001200026000::;;;[1,2]:(UASB)1.1.2ASBR;OLYPUS;OLYPUSBH22;AMRAY21000BSEM;TMQ.C22540;722;OMNI2CULURE(2L);TL21ACOD1.21.2.1[3],,,,,,[4],1.2.2AB4.5LASBRAQ(TSS)=15.74göL;B2%70mLQ(TSS)=15174göL35,1d2,2.0L,10min670min30min10minCODCr1.2.3ASBR,CODCr(MLVSS)(VFA)371ASBR©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(SRT)HRT1.2.4,,[5]22.140,,,3527d,(D)(d),Dd,20,[6],CODCr,,122.2ASBR32d,B,CODCr2820.0mgöL,CODCr180.5mgöL,CODCr93.6%;A40d,BA8d;,A40dCODCr83.6%,CODCr462.5mgöL,282.0mgöL,10%,,CODCr,91.4%95.0%;ACODCr75.0%84.7%,MLVSS,MLVSS6000mgöL,,104000mgöL,A39MLVSS12000mgöL;B34MLVSS12300mgöL,,A5dMLVSS11MLVSSVFA,VFA,VFA,VFA,,VFA,VFA(,)200mgöL,VFA,VFA,VFA600mgöL,,A,VFA350mgöL,NaHCO3;B,,,,14VFA600mgöL,NaHCO3pH,VFA,27d,VFA200mgöL,,VFA,200mgöL,pH6.5718,VFA2,,VFACO2H+,,CO2H+[7]SRTSRT,,SRT,14d,SRT4d;,SRT,30d,SRT12d,SRT10d40d,ASRT15d;BSRT18d,A,SRT3HRT,CODCr,B8.25h,CODCr47126320046©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2VFA3SRT(4),,11.2h8.25h,HRT27h20h4,1h,CODCr,,CODCr,4CODCr35,CODCr,,ASBRCODCrCODCr5BQ(CODCr)=0.39.5kgö(Ld),CODCr86.5%95.0%,,;Q(CODCr)=10.0kgö(Ld),CODCr,CODCr280.0mgöL,BOD5110mgöL,VFA228mgöL,NH32N36.9mgöL,pH6.77.2ASBRQ(CODCr)=10.0kgö(Ld),AQ(CODCr)=0.38.0kgö(Ld),CODCr;Q(CODCr)8.0kgö(Ld),CODCr,BOD5VFANH32N,Q(CODCr)10.0kgö(Ld),,5CODCr2.3,,,B,;AA,401.6mm,6,B,AB20d,,0.6mm;32d,1.52.5mm,,,,,,,,63,,MLVSSSRTHRT(178)571ASBR©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,[5]2.3.3PM2.5PM10,,PM2.5PM10,,:PM2.5=0.602PM10,R2=0.806(n=24);,:PM2.5=0.486PM10,R2=0.884(n=16),PM2.53(1)20025TSPPM10PM2.50.8540.4310.229mgöm3,67.5%82.5%92.5%,6.516.279.15,(2),5TSPPM10PM2.5,,,(3),,,(4)PM2.5PM10,:PM2.5=0.635PM10,R2=0.887(n=40);PM10TSPPM10=0.405TSP,R2=0.854(n=40)PM10,64%,PM10TSP41%(5)PM2.5PM10:PM2.5=0.602PM10(R2=01806,n=24);:PM2.5=0.486PM10(R2=0.884,n=16),PM2.51WeiFeng,ChapmanRS,TengE,etal.AmbientconcentrationsandelementalcompositionsofPM10andPM2.5infourChinesecities.Environ.Sci.Technol.,1999,33:418841932DnanyH,OscarB,GerardH,etal.PM10andPM2.5concentrationinCentralandEasternEurope:resultsfromtheCESARstudy.AtomosphericEnvironment,2001,35:275727713RawerlerLE,MoyersJL.Atomicabsorptionproceduresforanalysisofmetalsinatomosphericparticulatematter.Environ.Sci.Technol.,1996,8:1521594WilliamJP,RogerLT.HistoriePM2.5öPM10concentrationsinthesoutheasternUnitedStatespotentialimplicationsoftherevisedparticulatematterstandard.J.Air&WasteManage.Assoc.,1999,49:106010675ZhengMei,FangMing,WangFu,etal.CharacterizationofthesolventextractableorganiccompoundsinPM2.5aerosolsinHongKong.AtomosphericEnvironment,2000,34:26902702:(:2004204207)(175),CODCr,CODCr180.5mgöL,200mgöL(GB8978-1996);CODCr462.5mgöL,,,,,,1,,..:,1997.3193272..,1997,24(4):2512523..,1980,7(1):61644,,..:,1997.1982045,..:,2000.89906BuchananRE,GibbonsbianNE...8.:,1974.2746587..:,1998.156160:(:2003212202)87126320046©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Thejointtoxicityof2,6-dinitrotolueneand4-nitrotolueneonguppyZhangLeiXuJingbo(DepartmentofEnvironmentalScienceandEngineering,NortheastNormalUniversity,ChangchunJilin130024)Theguppywasadoptedasthematerialinthistrial.Thejointtoxicityof2,62dinitrotolueneand42nitrotoluenewasevaluatedbyadditiveindexandsimilarityparameter.Thosetwoevaluationshaveasameresultthatthejointeffectof2,62dinitrotolueneand42nitrotoluenewassynergisticfromt24hto96h.Keywords:Guppy2,62dinitrotoluene42nitrotolueneJointtoxicityAdditiveindexSimilarityparameterSimulatingstudyontheinnersourcenutrientexchangebetweenwater-sedimentinterfaceintheXuanwuLakeXueLianqing1,2LuXiwu1WuLei1(1.CivilEngineeringCollegeinSoutheastUniversity,NanjingJiangsu210096;2.WaterResourcesandEnvironmentCollegeinHohaiUniversity,NanjingJiangsu210098)Theresearchontheinfluencetolakewaterqualityofnutrientlayerdistributioninsedimentwasemphasized.Thereleaseprocessofphosphoruswassimulatedandtheinterfacematerialexchangingequationcausedbycoveredwaterphosphorusconcentrationchangingwasbuilt.Theresearchresultsindicatedthattheinorganicsedimentsinsedimentswillaffectthelakewaterqualitysustainableforalongtime.Theexperimentsbenefittotheconstructionregulationandeutrophicationprevention.Keywords:Water2sedimentinterfacePhosphorusreleaseEutrophicationTherelationshipbetweenupperreachesandthewaterqualityinthewaterintakeoftheupperstreamofHuangpuRiverCheYueYangKaiTaiJun(DepartmentofEnvironmentalScience,EastChinaNormalUniversity,Shanghai200062)Bivariatecorrelate,partialcorrelate,regression,pair2samplettestandexponentialmethodareappliedtoanalyzethemonitoringdatumofwaterqualityduring19862000.Thispaperindicatesthat:Threephases:slowdeterioration,accelerateddeteriorationandgradualamendmentofwaterqualitychangesweredivided.ThewaterqualitynearthewaterintakewassimilartothatintheYuanxiejingStream,worsethanthatintheDianfengandTaipuStream,andbetterthanthatintheDamaogangStream.ThewaterqualityofDamaogangStreamhadgoodrelationshi