chemical+stabilization+of+cadmium+and+lead+polluted+soils+from+grounds+once+occupied+by+industrial+enterprises

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1、ACKNOWLEDGEMENT1wouldliketoexpressmyspecialthanksofgratitudetomysupervisor，ProfessorWeiShiQiang，forhisinvaluableguidanceandconstantsupervisionaswellasforprovidingnecessaryinformationregardingmyresearchworkandalsoforhissupportincompletingmyresearch．Ialsowanttoexpresssincereappreciatio

2、ntotheFacultyandstaffoftheCollegeofResourcesandEnvironmentfortheirinvaluableservicestheyrenderedduringmyyearsattheCollege。Also，IliketothankMr。YanPingCai，whowillinglysharedhisprecioustimeandlaboratoryskillsduringmyexperiment．MythanksandappreciationsalsogotomycolleaguesespeciallyJinLon

3、gforyourunderstandingandassistances．SpecialthanksgotheForeignStudentsOfficeofOuruniversityandthegovernmentandpeopleofthePeopleRepublicofChinaforgrantingmesuchgreateducationalopportunity．1wouldliketothankmyfamilyandlovedones，whohavesupportedmethroughoutmyeducationalsojoum，bothbykeepin

4、gmeharmoniousandhelpingmeputtingpiecestogether．Iamgratefulforevertoyou．西南大学硕士学位论文TableofContentsTableofContentsAcknowledgment⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯iListoftables⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．iiListoffigures⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。⋯⋯⋯⋯⋯⋯。．iiiAbbreviation

5、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯．．ivAbstract⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯VChapterone1．Literaturereview．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1SoilPollution⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2CadmiumintheEnvironment⋯⋯．⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21．2．1BehaviorsofCadmiumi

6、ntheenvironment⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．31．2．2Cadmium1evelsinsoils⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．51．2．3Cadmiuminagriculturalsoils⋯⋯．⋯⋯⋯⋯⋯⋯⋯．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．51．2．3MobilityofCadmium．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯61．2．4Potentialrisksofcadmiumtohumanhealth⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯61．3Leadintheenvironment⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯71．3．1Mobilityoflead⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯81．3．2Effectsofleadonhumanhealth⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．91．4Remedimiontechnologies⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯91．4．1Bioremediation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯91．4．1．1Factorsaffectingbioremediation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．101．

8、4．1．2Disadva