首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 62 毫秒
1.
种群灭绝与保护生物多样性PopulationExtinctionandSavingBiodiversity¥PaulR.EhrlichandGretchenC.DailyAbstract:Inthepastdecadeagreatdealofatte...  相似文献   

2.
《中国生物多样性国情研究报告》评介Appraisalon"China'sBiodiversity:CountryStudy"张维平(中国环境科学出版社北京100036)由国家环保局牵头在国务院10多个部门组成的中国履行《生物多样性公约》工作协调组的领...  相似文献   

3.
IntroductionWetlandisoneoftherichestbiodiversityareasintheearth .Biodiversityshouldincludefourlevels:hereditydiversity ,speciesdiversity ,ecosystemdiversityandlandscapediversity .Speakingfromcertainangles,theprotectionofecosystemdiversityandlandscapediver…  相似文献   

4.
DeformityfrequenciesofbenthicmarinediatomsasociatedwithcontaminatedsedimentsinHongKongMickDickmanEcologyandBiodiversityDepart...  相似文献   

5.
CSB,NTSBConcludeAgreementonAgencyCooperationFulfillingarequirementofSection112(r)oftheCleanAirActAmendments,theNationalTransportationSafetyBoard(NTSB)andtheU.S.ChemicalSafetyBoard(CSB)agreedtoestablishformalcooperativetiesbetweenthetwoagenciesatWashi…  相似文献   

6.
IntroductionTheScheldeRiveroriginatesinSaint Quentin(NorthernFrance) ,passesthroughBelgiumandtheNetherlandsandthenflowsintotheNorthSeainVlissingen .ItistheonlytrueestuaryleftintheDeltaarea(Herman ,1999) .TheBelgiangovernmentapprovedtheso calledSIGMAplanfollow…  相似文献   

7.
BiogeochemicalsulphurcycleinHaiheRiverBasinLiuQuanyou(ResearchCenterforEco-EnvironmentalSciences.ChineseAcademyofSceiences,Be...  相似文献   

8.
王南 《世界环境》1996,(2):39-41
塞维利亚战略TheSevilleStrategy¥Abstract:Astrategysocalled"TheSevilleStrategy"forthefuturedevelopmentoftheWorldNetworkofBiosphereRes...  相似文献   

9.
ThreeIndustries and water consumption of Beijing   总被引:1,自引:0,他引:1  
ThreindustriesandwaterconsumptionofBeijingWangHongruiInstituteofEnvironmentalSciences,BeijingNormalUniversity,Beijing100875,...  相似文献   

10.
SeawaterintrusionincoastalareasofYellowSeaandBohaiSeaShengXuebin;SunJianzhong;DaiZhaohua(ResearchCenterforEco-EnvironmentalSe...  相似文献   

11.
BiologicallyeffectiveradiationofsolarultravioletradiationandthedepletionofstratosphericozoneWangShaobin;SuWeihan(ResearchCent...  相似文献   

12.
美国环境产业模块EnvironmentalBusinessSegmentsinUSA¥GrantFerrierAbstract:FerrierisPresidentofEnviron-ThesimpliedstatusquoinU.S.environ...  相似文献   

13.
Phosphorusavailabilityintwosoilsamendedwithpoultrylitter¥HanXingguo(InstituteofBotany,ChineseAcademyofSciences,Beijing100093,...  相似文献   

14.
SoilerosiontypesintheloesshillandgullyareaofChinaFuBojie(ResearchCenterforEco-EnvironmentalSceiences,ChineseAcademyofSceience...  相似文献   

15.
BioticcommunitiesofthemarineecosysteminMeizhouBay¥RenJiuchang;CaiXiaoming(CenterofEnvironmentalSciences,PekingUniversity,Beij...  相似文献   

16.
MajorionchemistryandcontrolofweatheringofBhimtalLake,HumaunHimalaya,India¥ManpreetSingh;B.K.Das(CentreofAdvancedStudyinGeolog...  相似文献   

17.
BriefingonmercuryandmethylmercuryinhairofthefishermenlivingalongtheSonghuaRiverGuanMing;QiuBingyuan;HuMenglin;ShiYong;ShiLong...  相似文献   

18.
SewagedrainingschemesofQinhuangdaoCityinBeidaiheArea,ChinaYinYi,ZhongWeini,ChangNaihuanFirstInstituteofOceanography,SOA,Qingd...  相似文献   

19.
FieldmeasurementsofdisociationofammoniumnitrateataBeijingsiteShenJi,ZhaoQianxueResearchCenterforEcoEnvironmentalSciences,C...  相似文献   

20.
黄平 《上海环境科学》2000,19(4):155-158
在分析国内外环境管理决策支持系统(EDSS)开发现状的基础上,提出了采用Microsoft Visual Basic来开发水环境管理决策支持系统(WEMDSS)的方法,并利用程序语言编制了广东省潭江的WEMDSS。实例研究表明,充分利用VB编程语言的特点,可以快速方便地完成WEMDSS的结构设计和实现系统的各项功能。  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号