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1、，1/4，。，，。60%，、、、，。，，。，，。[1]，。，，。[2]，、、、，。，[3]，，。，，、，：442000，，。、，，，，、、，。；；TU991.2A2015-03-20.1970－。222Vol．22No．2CentralChinaNormalUniversityJournalofPostgraduates20156Jun.2015174，，，，。2、（AdvancedOxidationProcesses，APOS），Glaze1978，（·OH），、、、、，，。，、，、（Fenton）、。：（1），，；（2），；（3），，。，，。[9][10]2.2.1，、，，。，，，。，[11]，，；（·OH），。，80，，，[12]，、：，a，（1mg/l）（3mg/l）（5mg/l）a71.6%、80.3%、90.2%；（1mg/l），3.5mg/l；，，。，，。，，。，，。[13]，。，[14]：1.5mg/l73%88.3%。，，、，，-、-、-，。，，。2.2.2（Fenton）Fenton1894，H．J．H．Fenton，，。/Fenton，。：175，。ErickRFentonFenton，[15]：，25min84%，40min；，，H2O2。，H2O2，H2O2，。[16]FentonH2O2，，，Fenton，。FentonH2O2，。H2O2，，，Fenton。Fenton，，，。，，，Fenton。2.2.3（），，[18]。，H2O、O2，、。：、；、，H2OO2；、，。[19]。、、DNA，，。[20]：0.62mg/l16，94%99.96%，，。[21]，。，，[22]，1.5t/h，2.068mg/l，1×105/ml，15100%。，，。，，176，。，。2.2.4，，。Fenton，。、，。LainL0.1%(m/v)TiO2，280V20，。[23]，。H2O2。[24]，。，。，。，。，，，、，。[25]3、、、，。，、；，；，。，。，、，，、。，。[1]GrossEM,ErhardD,EnikoIvanyi.AllelopathicactivityofCeratophyllumdemersumLandNajsamarinassp．intermedia(wolfgang)Casper[J].Hydrobiologia,2003,26(2):506-509.[2],,.[J].,2004,24(2):355-359.[3]LahtlK,RapalaJ,KivimakiAL,etal.Occurrenceofmicrocystinsinrawwatersourcesandtreateddrinkingwateroffinnishwaterworks[J].WatSciTech,2001,43(12):225-228.[4],,.[J].,2009,16(004):49-51.[5],,.[J].,2006,125(1):41-42.[6]GayleNewcombe,BrentonNicholson.Watertreatmentoptionsfordissolvedcyanotoxins[J].JournalofWaterSupply:ResearchandTechnologyAQUA,2004,53(4):227-239.[7]MohamedZA,CarmichaelWW,AnJ,etal.ActivatedcarbonremovalefficiencyofmicrocystinsinanaqueouscellextractofMicrocystisaeruginosaandOscillatoriatenuisstrainsisolatedfromEgyptianfreshwaters[J].Environmentaltoxicology,1999,14(1):197-201.[8]Gijsbertsen-AbrahamseAJ,SchmidtW,Chorusl,etal.Removalofcyanotoxinsbyultrafiltrationandnanofiltration[J].JournalofMembraneScience,2006,276:252-259.[9]AgustinaTE,AngHM,vareekVK．AreviewofsynergisticeffectofphotocatalysisandozoIlationonwastewaternatmem[J].JPhotochemPhotobiolC,2005,6(4):264-273.[10]SvicekC,SmithDW.Cyanobacteriatoxinsandthecurrentstateofknowledgeonwatertreatmentoptions:areview[J].JEnvironEngSci,2004,3(3):155-185．[11]Hoigne’J,BaderH.RateconstantsofozonewithorganicandinorganiccompoundsinwaterI:non-dissociatingorganiccompounds[J].WaterRes,1983,(17):173-194.[12].[D].:,2008:75.[13]OnstadGD,StrauchS,MeriluotoJ,etal.Selectiveoxidationofkeyfunctionalgroupsincyanotoxinsduringdrinkingwaterozonation[J].Environmentalscience&technology,2007,41(12):4397-4404.[14].[J].,2010,36(27):171-173.[15]BandalaER,MartínezD,MartínezE,etal.Degradationofmicrocystin-LRtoxinbyFentonandPhoto-Fentonprocesses[J].Toxicon,2004,43(7):829-832.[16],,.Fenton-LR[J].,2007,26(5):614-617.[17].[D].:,2012:35.[18],,,.[J].,2002,24(4):223-227.[19],,,.[J].,2006,66:18-25.[20]BAIMindong,XIAOYu,XUXiaohong.StudyonTreating177ResearchontheStatusQuoofClassroomObservationinEnglishMEDPracticum———ACaseStudyofCentralChinaNormalUniversityYAOYong-qi(SchoolofForeignLanguages,CentralChinaNormalUniversity,Wuhan430079,China)AbstractClassroomobservationisaneffectivewayforEnglishMEDstudentstoacquireteachers’practicalknowledgeandcultivateteacherautonomyinpracticum.Basedonthetheoryofclassroomobservation,thisresearchinvestigatedintothestatusquoofclassroomobservationinEnglishMEDpracticum,includingEnglishMEDstudents’recognitionlevelofclassroomobservation,preparationforclassroomobservation,implementationofclassroomobservationandtheirfollow-upactions.Furthermore,inordertofacilitatetheeffectivenessofclassroomobservation,someimplicationshavebeenputforwardtopromoteEnglishMEDstudents’teacherautonomyandprofessionaldevelopment.Keywordsstatusquoofclassroomobservation;EnglishMEDstudents;investigation;teacherautonomy;professionaldevelopmentHalobiosPollutionbyHydroxylRadical[J].MarineScienceBul－letin,2005,7(2):57-66.[21],,,.[J].,2009,27(17):44-46.[22].[D].:,2011:32.[23]LainL,LindaALawton,BenCornish,eta1Mechanisticandtoxicitystudiesofthephotocat-alyticoxidationofmicrocystin-LR[J]．JournalofPhotochemistryandPhotobiologyA:Chemistry,2002,148(1-3):349-354.[24]ChoM,ChangHM,ChoiWY,etalDifferentinactivationbehaviorsofMS-2phageandescheriehiacoliinTiO2photocatalyticdisinfection[J].AppliedandEnvironmentalMicrobiology,2005,71(1):270-275.[25],,.[J].,2010,29(35):74-79.ResearchonAdvancedOxidationPretreatmentTechnologyofRemovingAlgaefromDrinkingWaterinHighAlgaeWaterSourceYANGXian-feng(ShiyanMunicipalEnvironmentalMonitoringStation,Shiyan442000,China)AbstractChinaisoneofthecountriesthatresourceoffreshwaterlacksbadly,andmoreattentionshouldbeattractedtoalgaepollutioninrecentyears.Algaepollutionhasendangeredfreshwaterenvironmentandhumanhealthseriously.Physical,chemicalandbiologicalmethodshavebeenappliedtoalgalremoval,howeverthosemethodshaveintrinsicshortages,suchassecondarypollution,highoperatingcostsandlowremovalefficiency.advancedoxidationtechnology,asazero-pollution,highefficiencyandlowenergyconsumptionde-algaetechnology,representsthedirectionoffuturedevelopmentinhighalgae-ladenwatertreatmenthomeandabroad.Keywordsadvancedoxidationtechnology;drinkingwatertreatment;highalgaewatersource!!!!