共查询到20条相似文献,搜索用时 253 毫秒
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IntroductionPolyaluminiumchloride(PAC) ,akindofinorganicpolymerflocculant,iswidelyusedinwaterandwastewatertreatment.InordertoincreasethecoagulationeffectofPACandimprovethequalityofPACproduct,itisnecessarytoraisethedegreeofpolymerizationofPAC .Generally ,t… 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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《安全.健康和环境》2003,(2)
CSB,NTSBConcludeAgreementonAgencyCooperationFulfillingarequirementofSection112(r)oftheCleanAirActAmendments,theNationalTransportationSafetyBoard(NTSB)andtheU.S.ChemicalSafetyBoard(CSB)agreedtoestablishformalcooperativetiesbetweenthetwoagenciesatWashi… 相似文献
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CharacteristicsofdistributionofheavymetalsinsedimentofLeAnRiverLiQi(ResearchCenterforEco-EnvironmentalSciences,ChineseAcademy... 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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Compound contamination and secondary ecological effects of Cd and As in soil-alfalfa ecosystems 总被引:11,自引:3,他引:11
CompoundcontaminationandsecondaryecologicaleffectsofCdandAsinsoil-alfalfaecosystems(ZhouQixing;GaoZhengmin)(InstituteofApplie... 相似文献
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Ecologicalengineeringlandtreatmentsystems──AnewdevelopmentinChina¥GongPing;SunTieheng(InstituteofAppliedEcology,ChineseAcadem... 相似文献
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氟里昂回收、破坏的现状和未来PresentSituationandFutureofRecoveryandDestructionofCFCs¥JakuyukiMatsuoetc.Abstract:AtpresentrecoveryworkofCFCs,... 相似文献
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Acid-basecharacterizationoffoursulfidemineralsLinYuhuan(ResearchCenterforEco-EnvironmentaiSciences,ChineseAcademyofSciences,B... 相似文献
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《环境科学学报(英文版)》2000,(Z1)
IntroductionAgreatamountofpeer reviewedinformationisnowavailableaboutmercury (Hg)cycling ,muchofwhichwasfirstpresentedinaseriesofinternationalconferencesonHgasaglobalpollutantheldinGavleSweden (Lindqvist,1991a) ,MontereyCAUSA (Watras,1994) ,WhistlerBCCanada (Porce… 相似文献
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AsayofsomevolatilecompoundsinhumanexhalationQinTao,XuXiaobaiResearchCenterforEcoEnvironmentalSciences,ChineseAcademyofScie... 相似文献
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EnvironmentalSciences,Beijing100012,China)Abstract:AstudyonlandfillgasemissioninQingdao,Chinawascarriedout.Theresultsshowedth... 相似文献
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AdiagnosticexperimentoftheinfluenceofCO_2onwinterwheatWangChunyi;BaiYueming;WenMin(ChineseAcadernyofMeteorologicalSciences,Be... 相似文献
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AdsorptionofherbicidetriclopyronhomoionicclaysLiuWeiping(DepartmentofChemistry,ZhejiangUniversity,Hangzhou310027,China)AlbaPu... 相似文献
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XU Songling 《环境科学学报(英文版)》1999,11(4):504-509
IntroductionTheword“environment”nowbecomesacatchwordinChina,buttheterm“environmentalawareness(EA)”isstillnotinthesameposition.ThisisthereasonwhyItrytomakeabriefinquiryinthispaperabouttherelationshipbetweentheEAandChina○ssociety.EAisanunderstandingofv… 相似文献
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Zhuang Dehui 《环境科学学报(英文版)》1995,7(1):31-35
EffectsoflowpHonzooplanktoninsomesuburbanwaterbodiesofChongqingCityZhuangDehui(InstituteofHydrobiology,ChineseAcademyofScienc... 相似文献
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Amethodforcalculatingthetotalozoneamountintheclearskies¥BaiJianhui;WangGengchen(InstituteofAtmosphericPhysics,ChineseAcademyo... 相似文献
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LeadcontentofurbansoilsinChinaZhangXuelin(ChangchunInstituteofGeography,ChineseAcademyofSciences,Changchun130021,China)MengKe... 相似文献
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Pan Jiahua 《环境科学学报(英文版)》1994,6(4):402-411
AcomparativeassessmentofalternativeapproachestosustainabledevelopmentPanJiahuaInstituteofWorldEconomicsandPolitics,ChineseAca... 相似文献