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《环境科学学报(英文版)》2003,(2)
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
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IntroductionThebrassylicacidmanufacturingwastewatercontainshighchemicaloxygendemand(COD)concentration3000—12000mg/LanditsBOD5/CODisamong04—05Meanwhilethewastewatercontainshighsulphateconcentrationabout13000mg/LanditspHvalueisonly1—2Achemicalcompanyappliedneutrali… 相似文献
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Sincetheinternationalgeophysicalyear(IGY,1957—1958),Antarcticahasbeentheobjectofintensivescientificinvestigationbyteamsofscientists... 相似文献
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Model calculating annual mean atmospheric dispersion factor for coastal site of nuclear power plant 总被引:1,自引:0,他引:1
HU Er-bang YAO Ren-tai ZHANG Mao-shuan GAO Zhan-rong WANG Shu-xian CHEN Jia-yi JIA Pei-rong Liao Qi-lin 《环境科学学报(英文版)》2001,13(3):280-290
IntroductionAnatmospheredispersionfieldexperimentwasdoneonthecoastalsiteofnuclearpowerplant (NPP)intheeastpartofChinaduring 1995— 1996 Thecontentofthisexperimentincludes:hourlyobservationofwindandtemperatureonthetowerof10 0m ;Observationofsurfacewindandseeandl… 相似文献
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IntroductionAsoneofthemain pollutionsourcesinChina ,thetextiledyeingandfinishingindustryannuallycreates 9— 12× 10 8m3wastewaterwithhighorganicstrengthandcolour(Li,1999b) .Dyesarethemostimportantclassofsyntheticorganicchemicals.In general,conventionalbiologicaltre… 相似文献
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IntroductionIncreasedagriculturalproductivityoverthepast50—100yearshasledtoincreasedatmosphericconcentrationsofCO2,CH4andN2O.Thesegases,alongwithadditiontracegasspecies(greenhousegases)arecausinganincreaseinglobaltemperaturesandozonedepletion(Aselman… 相似文献
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Distribution of various aluminum fractions in surface water of the Le An River
ResearchCenterforEco-EnvironmentalSciences,Beijing100085,ChinaAbstract—Totalcon... 相似文献
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LCAapproachtotheautomotiveglasrecyclingVanniBadino,GianLucaBaldoThepaperpresentedattheIISETACWorldCongres,Vancouver,5—9Nove... 相似文献
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IntroductionPolyaluminiumchloride(PAC) ,akindofinorganicpolymerflocculant,iswidelyusedinwaterandwastewatertreatment.InordertoincreasethecoagulationeffectofPACandimprovethequalityofPACproduct,itisnecessarytoraisethedegreeofpolymerizationofPAC .Generally ,t… 相似文献
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AerosolcompositionatacoastalmonitoringsiteinHongKong—initialresultsK.S.Lam,L.Y.Chan,Z.L.ChengDepartmentofCivilandStructuralEn... 相似文献
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Amethodforcalculatingthetotalozoneamountintheclearskies¥BaiJianhui;WangGengchen(InstituteofAtmosphericPhysics,ChineseAcademyo... 相似文献
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IntroductionA .tatarinowiiScott,aperennialimmergedherbinwetlands ,belongstoAraceae ,Acorus.ItsflorescencewasfromApriltoJulyanditsrhizomewasfragrant.ItisdistributedovertheSouthpartofChina ,EastIndian ,VietnamandNorthThailand .Itwascommoninwetlands ,brooksorth… 相似文献
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Introductionα naphthaleneaceticacid (NAA)isanimportantplantgrowthregulatorusednotonlytopreventthepreharvestdropofapplesbutalsoasafruitthinningagent (Worthing ,1991) .MuchresearchworkabouttheeffectofNAAonplanttissues(Speer,1993;Hideyoshi,1993;Prasd ,1994 ) ,plantgrowtha… 相似文献
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《环境科学学报(英文版)》2003,(3)
ResearchCenterforEco EnvironmentalSciences,ChineseAcademyofSciences (RCEES CAS ) ,formerlyInstituteofEnvironmentalChemistry ,ChineseAcademyofSciences ,wasfoundedin 1975 .In 1986,itwasamalgamatedwithResearchCenterofEcology ,CAS ,andwasrenamedasResearchCenterforEco E… 相似文献
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加利福尼亚谷地与大烟雾CaliforniavtheBigSmog¥Abstract:California,particularlyLosAugeles,encapsulatesAmerica'ssuccessesandfailures:thecari... 相似文献
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《安全.健康和环境》2003,(4)
UnitedNationshavementionedthatover30Euro pean,CentralAsianandNorthAmericancountrieshaveagreedapactextendingthepublic'srighttoknowaboutchemicalwasteandtoxicpollutantsintheirareas.Afterovertwoyearsofnegotiationsthedraftagree mentwillcoverthedisposal,sto… 相似文献
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《环境科学学报(英文版)》2003,15(3):355-355
ResearchFields :AquaticEnvironmentalQualityItistodevelopadvancedsciencesofwaterqualityprocessandhightechnology ,studythemechanismsofwaterqualityprocessofnaturalwatersandwatertreatment.Aswellastodevelophightechnologyandtechniquesforwatertreatment,soastop… 相似文献
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