博士面试答辩英文版(科研陈述)

申请者:------申请导师:---2021年3月25日

-----大学博士申请科研陈述整理ppt1.Personal

Information2.ResearchProgressDuringGraduatePeriod3.ResearchTopicsandInterests整理ppt1.Personal

InformationEducation：09/2021-06/2021.FoodScience,StateKeyLaboratoryofTeaPlantBiologyandUtilization,AnhuiAgriculturalUniversity.09/2021-06/2021.B.Eng.,FoodScienceandEngineering,AnhuiAgriculturalUniversity.09/2021-06/2021.ChuZhouHighSchool.Awards：NationalEncouragementScholarship,ProfessionalThird-classScholarship,TripleAOutstandingStudent

,OutstandingStudentLeaders,SchoolOutstandingGraduationThesis,etc.整理pptLanguage

Proficiency:AbilitytosearchandreadEnglishliteratureskillfullyfromallkindsofEnglishdatabase.AbilitytowriteEnglishpapersindependently.Computer

Skills:Microsoftoffice,Endnote,Origin,Omnic,Photoshop,Spass,ChemicalOffice,X’PertHighscorePlus,etc.整理ppt2.ResearchProgressDuringGraduatePeriodWater-drinkingfluorosiscoveredabout2.2millionkm2,1.4millionsofpeopleLimitationsoftraditionaladsorbent：〔1〕NarrowpHrange〔2〕Lowadsorptioncapacity〔3〕Secondarypollution

Fig.2-1DistributionoffluorosisinChina2.1Background：DistributionoffluorosisinChina整理ppt2.ResearchProgressDuringGraduatePeriod

2.2RemovaloffluoridefromdrinkingwaterusingteawasteloadedwithAl/Feoxides

Fig.2-2GraphicalabstractofteawasteloadedwithAl/Feoxides

整理ppt2.ResearchProgressDuringGraduatePeriod

Fig.2-3EffectofpHontheqeofbiosorbentsTable2-1Theadsorptioncapacityoffluorideq0ofactivatedaluminawas1.45mg/gatpH7(Jagtap,2021).

2.2RemovaloffluoridefromdrinkingwaterusingteawasteloadedwithAl/FeoxidespHofdrinkingwater:6.0-8.0整理pptResearchProgress

2.2RemovaloffluoridefromdrinkingwaterusingteawasteloadedwithAl/FeoxidesFig.2-4ResidualconcentrationofFe(a)andAl(b)influoridesolutionwithpHafteradsorptionpHofdrinkingwater:6.0-8.02.ResearchProgressDuringGraduatePeriod整理ppt2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)

Fig.2-4.MolecularstructureofAPAMCarboxylicacidfunctionalgroupsoforganicacidshavedemonstratedapositiveeffectonenhancementoffluorideadsorptionfromaqueous(Velazquez-Jimenez,2021;Li,2021;Wang,2021).整理ppt2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)

Fig.2-5SEMimagesofTea-Al(a)andTea-APAM-Al(b)

Table2-2Surfacearea,porevolumeandporediameterofbiosorbents.15times16times整理ppt2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)

Fig.2-6.EffectofpHontheadsorptioncapacityofbiosorbentspHofdrinkingwater:6.0-8.0Table2-3Theadsorptioncapacityoffluorideq0ofactivatedaluminawas1.45mg/gatpH7(Jagtap,2021)29times整理ppt2.ResearchProgressDuringGraduatePeriod

Fig.2-4.MolecularstructureofAPAM2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Fig.2-7Concentrationoffluorideandsulfateionsinsolutionasafunctionofcontacttimewithinitialfluorideconcentrationof30mg/LTheresultsindicatedthatanionexchangewithsulfateionswasoneoftheimportantmechanismsforfluorideremoval整理ppt2.ResearchProgressDuringGraduatePeriod

2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Thebandat1109cm-1disappearedafteradsorptionoffluorideimplyingthat–SO42hadplayedanimportantroleinfluorideremoval.Fig.2-8.FTIRspectraofbiosorbents整理ppt2.ResearchProgressDuringGraduatePeriod

2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Tea-APAM-Alshowedaremarkableincreasefrom4.02%to15.99%incomparisontoTea-Al.

ThequantityofsulfateioncouldbeincreasedwiththeparticipationofAPAMamongtheloadingprogress.Sulfateionsmightbereplacedbyfluoride,whichwasconsistentwiththeresultsofFTIRandadsorptionexperiments.Table2-4XPSanalysisofTea-Al,Tea-APAM-Albeforeandafterfluorideadsorption整理ppt

NaF：684.5eVTheresultssuggestedthatAlatomsparticipatedinfluorideadsorptionprocess.AnewF(1s)peakwasfoundat685.5eV,whichwashigherthanthe684.5eVforNaF,signifyingthatsurfacereactionshadoccurred.2.ResearchProgressDuringGraduatePeriod2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Fig.2-9XPSspectraoftheAl2p(a)andF1s(b)ofTea-APAM-Albeforeandafteradsorption整理ppt2.ResearchProgressDuringGraduatePeriod

2.3TeawastesupportedAloxidesnanoparticleswithhelpofAnionicpolyacrylamide(Tea-APAM-Al)Table2-5ChemicalparametersofgroundwaterbeforeandaftertreatmentwithTea-APAM-Al整理ppt2.ResearchProgressDuringGraduatePeriod

Summarize:TwokindsofTea-Al-Feexhibitedsuperiorfluorideadsorptionthantraditionaladsorbents.Tea-Al-FecouldbeusedtoremovefluoridewithoutpHadjustment.TheresidualconcentrationsofAlandFeindrinkingwateradsorbedbyTea-Al-FeatdifferentpHrangesfrom5.0to10.0werebelowtheWHOstandard.整理pptPublications12345整理ppt

3.1Thepotentialabilitiesofpolysaccharideanditsderivatives