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1.
IntroductionBiomarker ,definedascellular,biochemicalormolecularalterationsthataremeasurableinbiologicalmedia ,suchashumantissues ,cells,orfluids ,havebeenusedbygenerationsofepidemiologistsintheirresearch .Molecularbiologyandlaboratorytechnologyhaveshownane…  相似文献   

2.
Sustainableuseoftheplanetwillrequireamorerobustregulatoryandmanagementframeworkformarineareasasadvancesinoffshoretechnologyandchangesinmarketconditionsleadtoanincreaseincoastalpopulationsandmarinerecreationandtourism .Althougheachareaoftheworldpresent…  相似文献   

3.
Analysis on the long term discharge of a catchment   总被引:1,自引:0,他引:1  
IntroductionItiswellknownthatthecharacteristicsofthecatchmentdischargewillchangewithlanduse.Inthispaper,thefocusistodiscussthemodeloflongtermdischargeofcatchmentwhichincludestwokindsoflanduse :oneisforestattheupperpartofthecatchment,anotherispaddyfield…  相似文献   

4.
AnalysisofchemicalcompositionofprecipitationinatypicalbackgroundsiteLiuJiaqi,ShiLiliYunnanProvincialEnvironmentalMonitoring...  相似文献   

5.
FieldmeasurementsofdisociationofammoniumnitrateataBeijingsiteShenJi,ZhaoQianxueResearchCenterforEcoEnvironmentalSciences,C...  相似文献   

6.
IntroductionUrbanwastesolidsaremostlyproducedfromresidentialareas ,factoriesormanufactures,marketplaces,hotels,restaurants,streetsandotherfunctionalareas.WiththepopulationincreasingalloverChina ,urbanwastesolidsarenowbecomingoneofthemostcrucialenvironmen…  相似文献   

7.
IntroductionIncreasedagriculturalproductivityoverthepast50—100yearshasledtoincreasedatmosphericconcentrationsofCO2,CH4andN2O.Thesegases,alongwithadditiontracegasspecies(greenhousegases)arecausinganincreaseinglobaltemperaturesandozonedepletion(Aselman…  相似文献   

8.
IntroductionThedyeingwastewaterofwoolenmillcontainsalotkindsofpollutants,suchasacidicdyes,dispersedyes,mordantdyes,auxiliaries,saltsandsoon .Theeffluentsfromwastewatertreatmentplantsfortreatmentofthedyeingwastewaterofwoolenmillswithnormalbiologicalproce…  相似文献   

9.
IntroductionContaminationofediblevegetationbypersistent,ubiquitouschemicalssuchasPCBs,dioxins,pesticides,andherbicidesprovidesamajorexposureroutetohumans ,domesticanimalsandwildlife .Uptakeoftheseorganicchemicalsbyplant,andsubsequentdistributionintheplan…  相似文献   

10.
LawsofannualnutrientuptakeinaPaulowniaplantation¥WuGang(ResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences,B...  相似文献   

11.
TestofmembranebioreactorforwastewatertreatmentofapetrochemicalcomplexFanYaobo,WangJusi,JiangZhaochunDepartmentofWaterPolu...  相似文献   

12.
PropertiesofmercuricreductasefromaHgCl_2-resistantfungusWangBaojun;LiWenzhong;YangHuifangInstituteofMicrobiology,ChineseAcade...  相似文献   

13.
Measurement and simulation of evaporation from a bare soil   总被引:1,自引:0,他引:1  
MeasurementandsimulationofevaporationfromabaresoilWangHuixiaoInstituteofGeography,ChineseAcademyofSciences,Beijing100101,Chin...  相似文献   

14.
MethaneemissioninaricefieldofThailand¥RongXiang;Chuen-HowNg(EnvironmentalEngineeringProgram,SchoolofEnvironment,ResourcesandD...  相似文献   

15.
IntroductionBecauseofthehighoxidationpotentialofozone(O3) ,ozonationhasbeenregardedasapromisingmethodfordrinkingandwastewatertreatment.AwiderangeoforganicpollutantsinwatercanbedegradedbyO3,O3combinedwithH2 O2 orUVlight,whichareknownasAdvancedChemicalOxidati…  相似文献   

16.
IntroductionSiberiaandtheFarEastaretheoldestandtherichestgold miningareasofRussia .Intensivegold miningherestartedinthebeginningofthe 19thcentury(Vyazelshchikov ,1963) .Forthemostpartgold bearingoresandsandswereprocessedwiththeuseofamalgamationmethodforgolde…  相似文献   

17.
Thenearsurfacedisposalisthemainlydisposalmethodforlowintermediatelevelradioactivesolidwaste(LILW)inmanycountries.Usually,thedisposalwayinthedisposalunitistheconcretesolidificationisputandpiledinarray,andthebackfillandbuffermaterialisfilledbetweentheses…  相似文献   

18.
IntroductionSedimentphosphorushasbeenthefocusofanumberofstudiesduetoitsroleintheeutrophicationoflakes.Phosphorusfractionsinse?..  相似文献   

19.
EfectsofmainrangeandstrengthfactorsonchangeofCODinashalowlakeFanChengxinNanjingInstituteofGeographyandLimnology,ChineseAcad...  相似文献   

20.
1IntroductionLandscapefragmentationanditsimpactsonbiologicaldiversityhavebeenthehighlyconcernedtopicsintherecentyearsbiologi...  相似文献   

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