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镇江市灰霾天气与非灰霾天气下细颗粒物(PM_(2.5))中无机元素分布特征分析.docx

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镇江市灰霾天气与非灰霾天气下细颗粒物(PM_(2.5))中无机元素分布特征分析 Title:AnalysisoftheDistributionCharacteristicsofInorganicElementsinFineParticulateMatter(PM2.5)underHazyandNon-HazyWeatherinZhenjiangCity Abstract: Fineparticulatematter(PM2.5)pollution,especiallyunderhazyconditions,hasbecomeasignificantenvironmentalprobleminmanyregionsworldwide.ThisstudyaimstoanalyzethedistributioncharacteristicsofinorganicelementsinPM2.5duringhazyandnon-hazyweatherinZhenjiangCity.TheresearchresultsprovideacomprehensiveunderstandingofthepollutionsourcesandpotentialhealthrisksassociatedwithPM2.5intheregion. 1.Introduction: 1.1Background: Asairpollutioncontinuestoworsen,theimpactofPM2.5onhumanhealthandtheenvironmenthasattractedincreasingattention.ThepresenceofinorganicelementsinPM2.5playsavitalroleinitstoxicityandhealthimplications.TheanalysisofthedistributioncharacteristicsofinorganicelementsinPM2.5duringhazyandnon-hazyweathercanhelpidentifypollutionsourcesandformulateeffectivecontrolstrategies. 2.Methodology: 2.1SampleCollection: PM2.5sampleswerecollectedatdifferentmonitoringstationsinZhenjiangCityduringhazyandnon-hazyweatherconditionsusingahigh-volumeairsampler.Thesampleswerethenanalyzedusingvarioustechniquestodeterminetheconcentrationanddistributionofinorganicelements. 2.2ElementalAnalysis: ThecollectedsamplesweresubjectedtoelementalanalysisusingtechniquessuchasX-rayfluorescence(XRF)andinductivelycoupledplasmamassspectrometry(ICP-MS).Thesetechniquesprovideaccurateandreliableresultsforthequantificationofinorganicelements. 3.ResultsandDiscussion: 3.1ConcentrationofInorganicElements: TheconcentrationofinorganicelementsinPM2.5wasfoundtobesignificantlyhigherduringhazyweathercomparedtonon-hazyweather.Elementssuchassulfur(S),nitrogen(N),andcarbon(C)compoundsweresignificantlyelevated,indicatingtheinfluenceofanthropogenicactivitiesandregionaltransport. 3.2DistributionPatterns: Thedistributionpatternsofinorganicelementsvariedduringhazyandnon-hazyweather.Underhazyconditions,elementslikeS,N,andChadamorewidespreaddistri