土壤重金属污染与植物修复研究进展

X,(,710062):,,:;;:Q948.113:A:1007-9793(2004)02-0052-06,,,,,,,1,,,,,60%80%,,,,,1.1,-,AsCdCoCrCuHgMnNiPbZn,,2000hm2,15,1000hm2,130hm21000t,100[1]1.2,,40cm,,(pH5.36.8),3040cm,,,60.1%,30%,38%2.2%,,95%,,1.324220043JournalofYunnanNormalUniversityVol.24No.2Mar.2004X:2003-10-200:(40271052):(1959-),,,,.©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,20a,0.5%2%,,,-,,,,,,,50mgkg-1,,200mgkg-1,,,,,:323.3%,28.53%9.78%,,,Cd,0.0982mgkg-1,1647mgkg-1,1549mgkg-1,,,,,,,40%,,,,,B-2-,,RPECP(compositepollutionindex)RPE,CPIRPE,[2],,,,,;;,,,1hm2(),1m8002400,Phytoremediation,,1994:,,;;;,,,,,2.1(Phytoremediation),,(),,:(Phytoextraction),,,,(Phytoextraction);(Phytovolatilization),,,,352,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(Phytovolatilization);(Rhizofiltration),;(Phytostabi2lization,(),()(Agrostiscapillaris),(Pyromorphyte),,(Rhizofilyration)(),(Hyperaccumulator),,2.2(10500),:1.;2.,,,BakerBroks1983,()Cd100Lgg,CoCuNiPb1000Lgg,MnZn10000LggSR1(SR),400Ni277Ni;,Ni1000mgkg,Ni,Ni50100mgkg,,Ni1%,5%Ni1%Ni(Hypernick2elophores),Nn(Hyper2zincophores)[3],,,,,,,:();;;;2.3,,47.19mgkgCd,Hg6.8mg,130Hg,Hg41%,,,,,220,,[4],,,,,5070mgkg,,,,[5],,,[6]45()24©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.-CdCrCuMnPbZn6:(1)(Alternanther2aphiloxeroides)(Clinpodiumconfinis)(Veronicaundulata)(Ranunculus2japonicus)(Polygonumhydropiper)(Onantheajvanica),Zn1699.28mgkg1108.77mgkg753.08mgkg,Mn1268.48mgkg,Mn1616.71mgkg;(2)6,ZnMnPbCuCrCd,CdPbZnMnCuCr;(3),,[7]Dendronthen2amorifoliumTzvel,Sabinaprocumbens,osachinensis2Jacq10Cd,:()Cd30mg,-,50d,Cd0.354mgL,6.3784mgL,,21,Cd1.7718mgL,87.8807mgL,RosachinensisJacq,CardeniaJasminoidesEuis,AsparaguscochinensisMerr,[8],,Cd,Cd;,Cd,Cd(30mgCdkg-1)50d,Cd,,Cd,Cd[9],ZnCdZn5001000mgkg-1,66d,Zn280662mgkg-1,Zn21953412LgCd200mgkg-1,Cd161mgkg-1,Cd381Lg,ZnCdZn500mgkg-1NH4NO3Zn;Cd200mgkg-1NH4NO3Cd,,ZnCd,ZnCd,ZnCd[10]10mmolLPb(NO3)210d,Pb,Pb,Pb,Pb(M):MMMX-ray,Pb,,Pb,Pb,[11]EDTACu,EDTACu,ED2TA,,EDTA[12]Qian12(Smartweed)MnCdCuNiCrPbHgAs[13]3552,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,;,,,;,,,3.1,,,,,,(),,3.2Cd,,Cd,,Cd;Cd,,,,[14]3.3(CuNi),(PbZn),,,,,(ZnCuNiCo)10%40%,,,,,,,,,,,SO2-4SeCd,KCs,Si,,,,,,,,,:[1],.[J].,2001.21(7):1196-1204.[2],.[J].,2003,26(1):54-56.[3],,.[J].,2001,21(2):326-332.[4],,.6[J].,2002,26(5):533-537.[5],,.[J].,2002,47(3):207-211.[6],,.[J].,2002,22(5):777-778.[7],,.[J].65()24©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(),2002,20(1):22-30.[8],.[J].(),2000,27(3):34-39.[9],,.[J].(),2002,29(4):108-114.[10],,.[J].,2002,39(5):664-671.[11].[J].,2002,11(4):331-334.[12],,.[J].,2001,12(3):435-438.[13]QianJinhong,AdelZayed,ZhuYongliang,etal.Phytoaccu-mulationoftraceelementsbywetlandplants.Uptakeandaccumulationoftentraceele2mentsbytweleveplantspecies[J].JournalofEviron2mentQuality,1999,28:1448-1455.[14],,.[J].(),2002,29(4):108-114.ThepresentprogressofresearchonheavymetalscontaminatedsoilandphytoremediationZHANGJian,SUNGennian(CollegeofTourismandEnvironmentalSciences,ShannxiNormalUniversity,Xian710062,China)ABSTRACT:Asummaryispresentedoftheconceptionandthecharacteristiconheavymetalcontami2natedsoilandphytoremediation;Itisintroducedthecurrentprogressoftheresearchonphytoremedia2tion;Somelackofthetechnologyonphytoremediationanddirectionofdevelopmentarediscussed.KEYWORDS:heavymetalscontaminatedsoil;hyperaccumulators;phytoremediation(48)[4]J.A.Arnaud.BeamandFiberOptice[M].AcademicPress,1976.[5]B.L,J,Lasers[J].1984,5(1).[6]B.LandD.li.J,Lasers[J].1984,5(2).Gaussianbeampropagationthroughadefocusingtelescopicsystem(0)KONGGui2hua(Dept.ofphysics,YunnanNormalUniversity,Kunming650092,China)ABSTRACT:Inthepaper,wewillApplyaparameterofGaussianbeamandABCDlawtostudyGaus2sianbeampropagationthroughadefocusingtelescopicSystem.Conclusionwereachwillcanguideourpracticaloperation.KEYWORDS:Gaussianbeam;defocusing;telescopicsystem;propagation752,:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.