鐵錳氧化物對堿性鹽化土壤鎘污染中鎘的行為影響及生物效應(yīng).pdf

1、天津師范大學(xué)碩士學(xué)位論文鐵錳氧化物對堿性鹽化土壤鎘污染中鎘的行為影響及生物效應(yīng)姓名：侯秀申請學(xué)位級別：碩士專業(yè)：環(huán)境科學(xué)指導(dǎo)教師：王祖?zhèn)?0090501AbstractEnvironmentalpollutionproblems，especiallysoilpoliutionhavebecomeaconstraintoneconomicdevelopmentandaffecthumanhealthandsurvivalpriorityH

2、eavymetalsaresoilenvironmentqualityofsoilhasanextremelyimportantoneoftheeffectsofpollutantsFeMnoxideswithstablechemicalpropertiesandhighspecificsurfaceareaisallimportantmaterialinthesoilcomposition，retentioninthesoilheav

3、ymetalionsintheprocessofsoilFe—Mnoxidemineralsplayanimportantrole，isveryimportantenvironmentalsignificanceInthispaper，TianjinaquicsoilsalinizationwetsoilsubalkalicrealitycarriedoutusingtwodifferenttypesofFe—Mnoxideminera

4、ls—goethiteandpyrolusiteofcadmiumincadmium—contaminatedsoiladsorptionexperimentswereanalyzedwhentheamountoftwodifferentoxidemineralsinsoilofcadmiumadsorptionchanges，aswellastoachievetheadsorptionequilibriumtimeInordertou

5、nderstandtheFeMnoxidemineralsinthesoilvolumeandthetotalCdandsoilphysicalandchemicalpropertiesofsomeoftherelationshipbetweenthequantitytheoryofthispapersetupapredictionmethodoftheamountofferromanganeseoxidemineralsandheav

6、ymetalsintheentirevolumeofsoil，soilPHvalue，organicmattertotalsaltcontentbetweenthepredictionmodelThisisascientificandeffectivemanagementofcadmiumcontaminatedsoil，improvecropqualityfoodsafetytoprotecttheresidentsandpromot

7、etheimportanceofsustainableagicultureButinordertofurtherconfirmtheexperimentalfindingsandthereliabilityofpredictionmodel，thisarticlethroughthepotexperiment，theeffectivenessoftheuseofbiologicalanalyticalmethods，werestudie

8、dtothedegreeofpollutionbycadmiumintheimpositionofdifferentsoilferromanganeseoxideminerals，theplantsystemofcadmiumchangesWithspinach，celery，carrotsforthetestplants，incroppostharvest，threeplantsweremeasuredcadmiumDetermina