持久性有機污染物在不同地點不同介質(zhì)中的吸附及富集規(guī)律.pdf

1、青島大學碩士學位論文持久性有機污染物在不同地點不同介質(zhì)中的吸附及富集規(guī)律姓名：朱曉華申請學位級別：碩士專業(yè)：環(huán)境科學指導教師：烏大年戴天有20060603AbstractThetimeofmorethanoneyearhasbeenspentintheseriesoftheexperiments，fromsamplingtodetectingthesamplestoconcludeManyrules，whatarethetrendsof

2、thepersistentorganicpollutants(POPs)，especiallyresearchingPCBsandOCPs，intheleafsamplescollectedinBeijingandinthesoilsamplescollectedinthenationalnaturereserveofWolong，Sichuanprovince，havebeenexhibitedintheresultsSampling

3、leavesaccordingtotheprocessofgrowinghasbeendoneatdifferentfrequenciesaccordingastheperiodofthegrowthoftheplantsEspecially，thesamplingfrequencyinbudburstshouldbehighthanthatinotherperiodsThesamplersgottenbythiswaycanmakeo

4、uranalysescorrelativetotheresearchesAndsamplingsoilhasbeendoneateightdifferentaltitudes，whatcanhelpusconcludethedegreeandthestyleofpollutioniithenationalnaturereserveofWolong，SichuanprovinceThewaystopredisposalthesamples

5、ofleafandsoilarenotuniformSoxhletextractingisthefirststeptopredisposingbothofthetwostylesofsamplersInpredisposingtheleafsamples，thenextstepistodisposethesampleswithsulfuricacidcleanupaccordingtotheUSEPAmethod3665aButthes

6、econdstepinpredisposingthesoilsamplersistocleansethemwithFlorisil，thethirdstepissulfuricacidcleanupTheremainderistoconcentratethesamplesolutionstosomeconcentrationanddetectthembyGCECDfinally，thesestepsaresametotwostyleso

7、fsamplersFromtheresultoftheanalysestotheleafsamplescollectedinBeijingmanycognitionthemostpeoplehavehadwerecorroboratedAndsomeconclusions，whichhavenearlyreportedorareveryespecial，havebeencduced，suchas，theabilitiestoadsorb

8、andaccunmlatePOPsindifferenttypesofplant；somedissimilartrendtoadsorbandaccumulatePOPsinbud—burst，eta1TheresultsbasingonthedataofthesoilsamplerscollectedinthenationalnaturereselweofWoiong，Sichuanprovinceshowusthestatusquo

9、ofthelocalpollutionAndmanyprimaryconclusionshavebeenobtained，includingthesourceofthelocalpollutionandsomeevidencesofcoldcondensationThesearepropitioustesearchthelong—distancetransfersofPOPsinthefutureKeyword：PCBs；OCPs；ac