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1.
AdsorptionofherbicidetriclopyronhomoionicclaysLiuWeiping(DepartmentofChemistry,ZhejiangUniversity,Hangzhou310027,China)AlbaPu...  相似文献   

2.
InfluenceofpesticidesandalfalfaonsoilbiologicalpropertiesMaRuixia;SunSien(ResearchCenterforEcoEnvironmentalSciences,ChineseAc...  相似文献   

3.
IntroductionIPCC (IntergovernmentalPanelonClimateChange ,1990 ;1992 ;1995)hasnotedthathumanactivitiesaresubstantiallyincreasingtheemissionsof“greenhousegases”suchascarbondioxide (CO2 ) ,methane ,chlorofluorocarbonsandnitreousoxideintotheatmosphere .Theseincreaseswil…  相似文献   

4.
Behavioroftheherbicidedimepiperatewithhomoionicclaysinaqueoussolution¥LiuWeiping;WangQiquan;ShaoYing;JiJing(DepartmentofChemi...  相似文献   

5.
ChemicalformsofcobaltandnickelextractedbyM1,M3andCaCl2DTPAWenBei,QianJin,ChenBin,ShanXiaoquanResearchCenterforEcoEnviron...  相似文献   

6.
AdiagnosticexperimentoftheinfluenceofCO_2onwinterwheatWangChunyi;BaiYueming;WenMin(ChineseAcadernyofMeteorologicalSciences,Be...  相似文献   

7.
Study on the response of wheat to lead, cadmium and zinc   总被引:2,自引:0,他引:2  
Studyontheresponseofwheattolead,cadmiumandzincMengLing,TanDeyong,WangHuanxiao,DuanChangqun,DuanPeishang,GaoShangyiDepar...  相似文献   

8.
IntroductionTrichloroethyleneisaveryeffectivesolventtoremoveoilfromsiliconandothermaterialsusedinsemiconductorindustry.TheC2HC...  相似文献   

9.
IntroductionAquaticfarmslargerthan 1 4km2 arelocatedinthenorthernpartofWestHarbor,XiamenMunicipalityofChina.Thesefarmsareundergreatenvironmentalstressowingtorapideconomicdevelopment.Inrecentyears,deterioratingfreshwaterfishery,concomitantwithincreasingmor…  相似文献   

10.
MajorionchemistryandcontrolofweatheringofBhimtalLake,HumaunHimalaya,India¥ManpreetSingh;B.K.Das(CentreofAdvancedStudyinGeolog...  相似文献   

11.
Mercury emission and pollution in Chongqing City, China   总被引:1,自引:0,他引:1  
1 IntroductionChongqingisabigcityinsouthwestChina,andisanimportantindustrialcitywith 2 30 0 0km2 area .About 17milliontonsofcoalareaburnhereperyear.SotheacidprecipitationandHgemissionareseriousandtheecosystemissignificantlyaffectedinChongqing(Mou ,1992 ;1995) ,moreth…  相似文献   

12.
环境中的汞     
环境中的汞MercuryintheEnvironment¥ArneJernelov;ClaesRamelAbstract:TheScientificCommitteeonProblemsoftheEnvironment(SCOPE)meetingon...  相似文献   

13.
1 Introduction1.1 MiyunReservoirandassociatedstudiesTheMiyunReservoir(Fig.1),situatedinMiyunCounty,90kmtothenortheastofBeijingCity,isoneofthemostimportantreservoirsinthesuburbsofBeijing,servingasthesourceofdrinkingwaterforthepeopleofthecapital.Ithasa…  相似文献   

14.
TheeffectoflightontheMn(II)orFetlll)xatalyzedoxidationofaqueousS(IV)XuYongfu(InstituteofAtmosphericPhysics,ChineseAcademyofSc...  相似文献   

15.
IntroductionTobebrief,corridoristhelongandnarrowbeltwhichisdiffrentwithbothsides’matrix .Almostallthelandscapesarecutapartandalsoconnectedbythecorridors.Thesedoublebutoppositecharacteristicsshowtheimportantfuctionofthecorridorsforthelandscape .Thecorrid…  相似文献   

16.
Chinaisrichinmercuryresources,rankingthirdintheworld .MercuryoresaremostlydepositedinSouthwestandCentralChinalikeGuizhou ,SouthernShaanxi,NorthernHenanandEasternSichuan provinces,particularlyGuizhouwhere 75%mercuryoreofallChinaexists.Annualproductionin 60’sa…  相似文献   

17.
PrefaceAfter 3yearsofdevelopmentinthefieldoflandscapeecologyintheAsia Pacificregionssince 1 998,muchprogresshasbeenachievedintheory,methodologyandapplication .DuringSept.2 2— 2 5,2 0 0 1 ,theancientLanzhouCitysawmorethan 1 6 0landscapeecologistsfrom 1 5countriesandregio…  相似文献   

18.
TheU .S .EnvironmentalProtectionAgencyrequestedtheNationalResearchCouncil(whichistheoperatingarmoftheU .S .NationalAcademyofSciencesandtheU .S .NationalAcademyofEngineering)tocarryoutacriticalscientificevaluationofindicatorstomonitorecologicalchangesfromeit…  相似文献   

19.
IntroductionAgreatamountofpeer reviewedinformationisnowavailableaboutmercury (Hg)cycling ,muchofwhichwasfirstpresentedinaseriesofinternationalconferencesonHgasaglobalpollutantheldinGavleSweden (Lindqvist,1991a) ,MontereyCAUSA (Watras,1994) ,WhistlerBCCanada (Porce…  相似文献   

20.
ELISAofpolyclonalantibodytofishMTandstudyonheavymetaltoleranceinfishWangYingyan(NationEngineeringResearchCenterforUrbanEnviro...  相似文献   

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