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 31 毫秒
1.
IntroductionItisincreasinglydifficulttoconsidermarinepollutioninHongKongwithoutreferencetoGuangdongProvinceortheentirePearlRiverDelta.ThePearlRiverDeltaisnotonlyageomorphicalunitbutalsoageographicalunitandthescopeofthePearlRiverDeltashouldincludemajo…  相似文献   

2.
DeformityfrequenciesofbenthicmarinediatomsasociatedwithcontaminatedsedimentsinHongKongMickDickmanEcologyandBiodiversityDepart...  相似文献   

3.
1 Determinationoftotalmercuryandspeciationofmercurycompoundsinatmosphere1.1 DeterminationoftotalmercuryAsamplingtrainconsistingofafiltertoretain particulatephasemercuryfollowedbyanabsorbenttrapwhichretainstotalgaseousmercuryisusedfordeterminationoftota…  相似文献   

4.
DerivingfreshwaterqualitycriteriaofsulphocyanicsodiumfortheprotectionofaquaticlifeinChinaZhangTongDepartmentofEnvironmentalE...  相似文献   

5.
IntroductionThebrassylicacidmanufacturingwastewatercontainshighchemicaloxygendemand(COD)concentration3000—12000mg/LanditsBOD5/CODisamong04—05Meanwhilethewastewatercontainshighsulphateconcentrationabout13000mg/LanditspHvalueisonly1—2Achemicalcompanyappliedneutrali…  相似文献   

6.
1 Introduction1-1 DiatomsDiatoms(ClassBacillariophyceae)arecommonandwidelydistributedinbothfreshandmarinewaters(Moser,1996).ThesemicroscopicunicellularplantsfixamajorportionoftheEarth○scarbon,generateoxygen,andsupplyfoodtoanimalswhichfeedonthem(Dixit…  相似文献   

7.
IntroductionDiffusionmaybethedominantmasstransfermechanism(comparedtoadvection)inporousmediaoflowpermeabilitywhicharewidelyusedasnaturalorartificialbarriersforpollutioncontrolatwastedisposalsites.Diffusiontransportofcontaminantsthroughclay,silt,mudrock…  相似文献   

8.
老挝寄希望于生态旅游LaosPinsTourismHopesonUnspoiledNatureandCulture¥JohnLairdAbstract:UNEPandWTOdefineectourismastourismthatinvolvestra...  相似文献   

9.
1 ThegeneralsituationoftheSouthDongtingLakeWetlandLocatedinthenorthofHunanProvinceandthesouthbankoftheYangtzeRivermiddlereaches ,theDongtingLakeisoneofthefivelargestfreshwaterlakesandofthesevenmostimportantlandscapesofinternationallyimportantwetlandsi…  相似文献   

10.
PhotocatalyticdecolorizationofdispersoldyesYouDaoxin;DaiShugui(DepartmentofEnvironmentalScienee,NankaiUniversity,Tianjin30007...  相似文献   

11.
可持续发展环境指标体系的初步探讨   总被引:3,自引:0,他引:3  
可持续发展环境指标体系的初步探讨张世秋DiscussionontheEnvironmentalIndicatorsintheContextofSustainableDevelopment¥ZhangShiqiu,isafacultymemberofC...  相似文献   

12.
DistributionofheavymetalsintheGrandCanal(Hangzhousection)anditscontributingfactorsWengHuanxin,ZhangDengrongDepartmentofEarth...  相似文献   

13.
EfectsofclippingondrymaterproductionandnutrientsinthefernlandofHongKongGuanDongshengDepartmentofEnvironmentalScience,Zhongs...  相似文献   

14.
AcidificationandchangeofphysicochemicalpropertiesofMt.Hengsoilsinlast34yearsDaiZhaohua;LiuYunxia;WangXingJun;ZhaoDianwu(Resea...  相似文献   

15.
脆弱的海岸     
脆弱的海岸埃加多D·戈梅兹(EdgardoD.Gomez)EdgardoD.Gomezoutlinesthethreatstocoralreefs,mangroveswampsandseagrassbedsasincreasingcoastalpop...  相似文献   

16.
DifusionandadoptionofenvironmentalysoundtechnologyinChinacementindustryCaiNingEconomicsDepartment,ZhejiangUniversity,Hangzhou...  相似文献   

17.
DestructionofVOCsbycombinationofcoronadischargeandcatalysistechniquesMuhammadArifMalik,JiangXuanzhenDepartmentofChemistry...  相似文献   

18.
IntroductionCokingwastewater,especiallythecokingresidualammoniawater(ahugevolumeandheavypollutedwastewaterincoking)isahighconcentrationorganicindustrywastewaterofdifficultforthebiochemistrydegradation.Ofwhich,BOD5/CODisusuallyabout30%.Atpresent,bythetreatm…  相似文献   

19.
“可持续性”定义的困难   总被引:2,自引:0,他引:2  
Toma.  MA 夏光 《世界环境》1995,(3):4-6,33
“可持续性”定义的困难TheDifficultyinDefiningSustainability¥MichaelA.TomanAbstract:forecologistssustainabilityconnotespresevastionofthes...  相似文献   

20.
1IntroductionNovelbiologicalactivatedcarbonandactivatedsludgesystemhasshownitsefectiveabilitytoreduceCODintoxicorganicwastewa...  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