摘 要: | 1 Introduction Pb ,oneofthetoxicmetals,isharmfultohealthforhumanbeings ,especially ,forchildren .Inindividualsofallages ,Pbmaycausemanyseriousdiseasesin cludinganemia ,braindamage ,impairedfunctionoftheperipheralnervoussystem ,reproductiveabnor malities,etc[1,2 ] .Inthelate 1970s,ashiftfromPbpoisoningtreatmenttoPbpoisoning preventionoc curred[3] .Therefore ,anunderstandingofthecondi tionsandmechanismsthatregulatethemobilizationanddistributionofPbintheenvironmentisessential. Pbfindsitswayt…
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