共查询到20条相似文献,搜索用时 31 毫秒
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森林生态系统吸碳量高于预期量CarbonSequestrationinForestEcosystemsHigherthanExpected¥J.A.VerweijAbstract:Inthecarboncycle,forestsfunctionasa... 相似文献
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保护全球共同的财富──大气TheAtmosphere:GlobalCommonstoProtect¥G.O.P.OBASIAbstract:Inthisarticle,theauthordescribestherisksfromclimatecham... 相似文献
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IntroductionPolyaluminiumchloride(PAC) ,akindofinorganicpolymerflocculant,iswidelyusedinwaterandwastewatertreatment.InordertoincreasethecoagulationeffectofPACandimprovethequalityofPACproduct,itisnecessarytoraisethedegreeofpolymerizationofPAC .Generally ,t… 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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举步维艰的科拉普雨林自然保护WrestlingwiththePreservationoftheKorupRainForest¥MarkRichardsonAbstract:AttheRiodeJandro'EarthSummit',officiall... 相似文献
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EnvironmentalSciences,Beijing100012,China)Abstract:AstudyonlandfillgasemissioninQingdao,Chinawascarriedout.Theresultsshowedth... 相似文献
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全球农业生产状况与存在问题GlobalStateandProblemsinAgriculturalProduction¥Abstract:Theessaycovers,fromtheglobalpointofuiew,thepresentgrainp... 相似文献
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Liu Xiao-tu 《环境科学学报(英文版)》1998,10(3)
AcousticalenvironmentofurbanarearelatedtothecitydevelopmentLiuXiaotuDepartmentofArchitecture,SoutheastUniversity,Nanjing210... 相似文献
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Chinese life cycle impact assessment factors 总被引:5,自引:0,他引:5
IntroductionLifecycleassessment(LCA)isanenvironmentalmanagementtoolthatisusedtoexamineandevaluatetheenvironmentalimpactsassociatedwiththeexistenceofproducts(Jensen,1998;Weidema,1997;Wenzel,1997).ThefocusofLCAisontheentirelifecycleoftheproduct,i.e.fromtheextracti… 相似文献
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Gao Yan-chun 《环境科学学报(英文版)》1998,10(3)
AnalysisonreasonsfortheYelowRiver’sdryupanditsecoenvironmentalimpactsGaoYanchunInstituteofGeography,ChineseAcademyofScien... 相似文献
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“可持续性”定义的困难 总被引:2,自引:0,他引:2
“可持续性”定义的困难TheDifficultyinDefiningSustainability¥MichaelA.TomanAbstract:forecologistssustainabilityconnotespresevastionofthes... 相似文献
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1 IntroductionAccordingtotheHunancomponentoftheproposedinlandwaterwaysmultipurposeproject,theDayuandunavigationalkeyproject,located 6 2kmdownstreamfromtheHengyangCity ,willbebuiltwiththehelpoftheworldbankloan .Aftertheprojectbeingconstructed ,theXiangjiang… 相似文献
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可持续发展从概念到行动 总被引:11,自引:0,他引:11
可持续发展从概念到行动张坤民SustainableDevelopment:FromConcepttoAction¥ZhangKunminAbstract:Anoverviewofthesustainabledevelopment,itsorigin,... 相似文献
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EffectsofCa ̄(2+)ionsantagonistictoAl ̄(3+)ionspoisoninginrootgrowth,celldivisionandnucleolusinroottipcellsofAlliumcepaLiuDongh... 相似文献
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Toxiceffectsofseleniumonmarinefish¥/ZhangYuanxun(ShanghaiInstituteofNuclearResearch,ChineseAcademyofsciences,Shanghai201800,C... 相似文献
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低公害汽车开发普及的现状及展望StatusandDevelopmentofLow-pollutingAutomobileResearchandPopularization¥MasayediItoAbstract:Atpresent,itisimper... 相似文献
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运用可持续发展观进行环境影响评价 总被引:1,自引:0,他引:1
运用可持续发展观进行环境影响评价朱乐辉UsingtheViewpointofSustainableDevelopmentinEnvironmentalImpactAssessment¥ZhuLehuiAbstract:Theenvironmental... 相似文献