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《人發(fā)重金屬含量及其與土壤-作物系統(tǒng)關系分析——以開封市化肥河污灌區(qū)為例》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在學術論文-天天文庫。
1、system．11lisanicleselectsfourVillagesintheHuafei&Versewage確gationareaiIlKaifengci鑼totakemeobjectofsmdy，onthebaSeofthespotirⅣestigation，thelaboratoryexperimentandthe№processinganalysis，toaIlalyzetllecharact嘶sticofthesoil-cropsystema11dthehairhea、7metalcontemiIldi行eremgroups，t11einte
2、ractionrelations，血erelationbet、veenV撕ouSheavymetalelement’sarldthesoil—cropssystem，therelationbetv舊enthehea、，)rmetalreciprocityalldtllemigrationtransf0加1ation，aswellasmepotentialriskofhe哪rmetalinh啪a11hair．ThemUtextisdiVidedimo5parts：PaItI：ismailllybesedonthethe蚴usquoaboutmeregularV
3、alueoftheperson城rheavymetaLl鋤ditsinfluencalf-actorsathomeandabroad，pointingouttllatmeexistenceofproblemsaIld丘l：cureresearch仃elndS．PartII：suInmarizesthenatIlralgeneralsituation，iIlcluding也eareastudy，chemica重fer
4、ilizerriVeressentialfeatllresandthem勾orpollutionincidentsi11nle11istory．
5、PartIII：mainlyintroducesthep咖ciples，memods，sampleprocessingandpr印arationofsoilaIldⅥ，heat，aIldalsomestepsofexperimentalmetllods．PanⅣ：111eheavym削comentofsoilandwheatwaLsaIlalysed．W．ehaVegottheKaifengCi夠people’shea、，)，metalreferencalcoments；OnthebaSisofaIlalysisofmepeople’shea、，)，meta
6、lsint11econnDlare2LsaIldaIlalysisofdi虢rentpopulationsofpeople’shairhea、侈metalcontents，thepapercomparestherefIerencevalues．Therelations
7、lipbe鉚eenhairhea、，)，metalcontentaIldsoil-cropsystemwasaIlalysed．0lIlthebasis，apreliminarystudyoftlleheaVymetalsmi鯽ioninthesoil-crop—peoplesystemhaV
8、ebeendone．PanV：throu曲research，tllefollowingbaSicconclusionshavebeenmade：(1)Becauseofalong·te肌useofchemicalfertilizersriVerofsewagei耐gationonthefI枷laIlds，therearedifrerentleVelsofhea、7metalpollutioninthesoilandsewageVirrigationareaSofwheat．PollutionofsoilaIldi仃igationdistrictVillage
9、of、vheatbytheeXtemofheaVymetalpollutionareconsistent，DisthemostpollutedVillage，itsinte伊atedpollmionindexreached3．22a11d3．47，Bfollo、ⅣedbytheVillage，AVillageaIldVillageClesspollution．(2)T11ecomentsofhairhea呵metalinsewage砌gationareaSaresigIliflcantlyhigherthaIlthatofmecontr01areas，aIl
10、dtlleaveragecomentsofCu，Zn
