共查询到20条相似文献,搜索用时 62 毫秒
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加快环境保护的法制建设骆建军SpeeduptheConstructionofEnvironmentalLawSystem¥LuoJianhuaAbstract:ThepaperhasanalysedproblemsinthecurrentChines... 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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M.E.Soltan 《环境科学学报(英文版)》2002,14(4):464-473
IntroductionAswangovernorate ,Egypt ,isfamousforbymonuments (Ancient,CopticandIslamic) .Thefoundationareofthefirstimportanceandcareshouldbetakentoseethattheyareconsolidatedandprotectedasforaspossiblefromtheinfiltrationofwater.Waterisamajorcauseofdamage ,no… 相似文献
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利用CO_2采油的技术、环境和经济分析金光宇Technical,EnvironmentalandEconomicAnalysisonOilExtractionUsingCO_2¥JinGuangyuAbstract:IncreaseofCO2andot... 相似文献
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Characteristics of air particulate matter and their sources inurban and rural area of Beijing, China
IntroductionThereisagrowingawarenesstotheimportanceofairpollutioninmajorcites.Anumberofstudieshaveshownthattheconcentrationsofcertaintraceelementsintheurbanatmospherehavebeenelevatedby pollution ,andtherefore ,thehighestconcentrationsofthesechemicalcont… 相似文献
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IntroductionThenotionofsustainabledevelopmentwasproposedintheWorldConservationStrategy(IUCN,1980).Itispointedoutthattheconservationandthesustainabledevelopmentaremutuallydependentandtheyshouldbeintegrated,wheretheconservationmeansthemanagementofhuman… 相似文献
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Random walk modeling of wake dispersion for the exhaust tower of an underground tunnel in urban area 总被引:1,自引:0,他引:1
IntroductionRecently,someinstallationswithspecialconstructionforextractingcontaminantgas,suchasanexhausttoweroftheundergroundtunnel,etc.weresetupinurbanandindustrialcomplexareas.Theeffectsoftheseconstructionsontheflowandtherebyonthelocaldispersionoft… 相似文献
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IntroductionForlasttwodecades,awaveoftheexperimentalconsciousnessisbeingdevelopedindevelopingcountriesincludingIndia.Moderntechnologyhavebeencreatedenvironmentalpollutant,ofwhichnoiseisconsideredastheworstenemyofhumanhealthandacurseofoursociety .Noisei… 相似文献
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NaturereserveconstructionanditscontributiontothebiodiversityconservationinChinamainland¥JiangMingkang;XueDayuan(NanjingInstit... 相似文献
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ThegreenhouseeffecthasbeencausedbythegradualincreaseofCO2 concentrationintheatmosphereduetotheconsumptionofchemicalfuelandthechangeoflanduse(Raynaud ,1 993 ) .Therefore ,carboncyclingofearthhasbeena“heatpoint”oftheglobalchange.Vegetation ,whichincludesthatinu… 相似文献
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The affect of industrial activities on zinc in alluvial Egyptian soil determined using neutron activation analysis 总被引:1,自引:0,他引:1
IntroductionZnbelongstothegroupoftracemetalspotentiallymosthazardoustothebiosphere.TogetherwithCuandNi,zincisphytotoxic ,sotheconcernaboutthismetalismainlydirectedateffectsoncropyieldandsoilfertility(Kiekens,1 990 ) .ThemainpollutantsourcesforZnissoilsareme… 相似文献
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1 IntroductionIthasbeenarguedthatChinahaspressedagainstorexceededthelimitsofsustainabledevelopmentonmanyoccasionsoverthepast3000yearswithseriousconsequencesfortheenvironment(Elvin,1993).HenceChina○scurrentenvironmentalproblemsarenotanewconstrainttode… 相似文献
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韩国生态环境建设散记 总被引:2,自引:0,他引:2
韩国生态环境建设散记SidelightsofEcologicalConstructioninSouthKorea张英(广西壮族自治区环保局530012)历史永远不会忘记,20世纪中叶发生在朝鲜半岛的那场血与火的战争。不难想象,那场先后有17个国家20... 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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IntroductionNowadays,moreinteresthasgrowninthedeterminationoftheelementalconstituentsofmostindustrialmaterialssuchasironwhereseveraldifferentmethodsareused(Hassan ,1982 ;Abdul,1990 ;Failey ,1979;Anderson ,1981) .Recently ,thereweremanyinvestigationsonelementalanalysi… 相似文献
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建设具有可持续发展空间的现代化城市 总被引:2,自引:0,他引:2
建设具有可持续发展空间的现代化城市ConstructionofmodernCitesWithSustainableDevelopmentSpace珠海市委书记梁广大(珠海市519000)珠海依山傍海,是中国最早的经济特区之一,建市17年来,已将一个贫... 相似文献
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Effects of acid deposition on terrestrial ecosystems and their rehabilitation strategies in China 总被引:9,自引:0,他引:9
IntroductionChinaisoneofthelargestcountriesofcoalcombustion ,whichaccountfor 75%oftotalenergyconsumption .Coalcombustionincreasedfrom 0 .6billiontonsin 1 980to 1 .2 8billiontonsin 1 995,andwouldreachto 1 .45billiontonsin 2 0 0 0 .EmissionofSO2 increasedwithincreasingcoalcons… 相似文献
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Effects of acid deposition on forests in south China 总被引:1,自引:0,他引:1
1IntroductionWiththefastgrowingofmodernindustryandsharplyincreasingofenergyconsumptionprimarilycoal,airpolutionandaciddeposit... 相似文献
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1IntroductionLandscapefragmentationanditsimpactsonbiologicaldiversityhavebeenthehighlyconcernedtopicsintherecentyearsbiologi... 相似文献