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1.
The common language of space: a way of looking at the social,economic and environmental functioning of cities on a common basis 总被引:4,自引:0,他引:4
Bill Hillier 《环境科学学报(英文版)》1999,11(3):344-349
1 SomequestionsandanswersaboutcomplexityThefirstsentenceinanydiscussionaboutthescienceofcitiesusuallycontainstheword“complexity”.Oneofthemostobviousformsthistakesisthesheerphysicalandspatialcomplexityofthecityasanobject.Thereis,however,inmosturbanres… 相似文献
2.
IntroductionInstallationofscrubbersortheuseoflowsulfur containingcoalaretwooptionsusedbypowerplantstoreduceSO2 emissions.ThemajorityofpowerplantscontrolSO2 emissionsusinglimebasedscrubbing ,althoughthisdesulfurizationprocesshasanumberofadvantages,italsoh… 相似文献
3.
FAN Yao-bo WANG Ju-si JIANG Zhao-chun CHEN Mei-xue XU Kun JIA Zhi-ping 《环境科学学报(英文版)》2000,12(3):344-348
IntroductionThedyeingwastewaterofwoolenmillcontainsalotkindsofpollutants,suchasacidicdyes,dispersedyes,mordantdyes,auxiliaries,saltsandsoon .Theeffluentsfromwastewatertreatmentplantsfortreatmentofthedyeingwastewaterofwoolenmillswithnormalbiologicalproce… 相似文献
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Effect of leachate recycle and inoculation on microbial characteristics of municipal refuse in landfill bioreactors 总被引:9,自引:1,他引:9
IntroductionThedisposalofwastetolandfillisthedominantmethodofdisposalfordomesticandmostotherwastestreams .However,nonlandfillingwhichhaspreviouslybeenthemethodofchoiceformanycitiesisatacrisispointforthereasonsofshorterlife ,spaceavailability ,costandpol… 相似文献
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QIAO Bing 《环境科学学报(英文版)》2001,13(2):252-256
IntroductionOilisakindofnecessaryenergyandresourceinpresenthumanproductionanddailylife.Butassoonasoilspillingatthesea,itwillbecomeadisastersourcepollutingenvironmentanddestroyingecology.Relatedtomanyoilspillfateprocesses,oilspillmodelisakindofcomprehen… 相似文献
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Ability of Agrogyron elongatum to accumulate the single metal of cadmium, copper, nickel and lead and root exudation of organic acids 总被引:5,自引:0,他引:5
IntroductionContaminationofsoilswithheavymetalsbecomesanincreasingprobleminmanycountriesallovertheworld .Thisismuchconcernedbecauseoftheireasytransferringfromsoilstoplants ,eventoanimalsandhumanbeings .Inmostcases,plantsgrowninheavymetal pollutedsoilssho… 相似文献
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1 BriefdescriptionofoilspillimpactanalysissystemAslongascrudeoilsare producedoffshoreandtransportedacrosstheseasbyshipsorpipelines,thereisariskofoilspillswiththepotentialtocausesignificantenvironmentaldamage .The“ExxonValdez”incidentinAlaska ,andotheroi… 相似文献
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IntroductionContaminationofediblevegetationbypersistent,ubiquitouschemicalssuchasPCBs,dioxins,pesticides,andherbicidesprovidesamajorexposureroutetohumans ,domesticanimalsandwildlife .Uptakeoftheseorganicchemicalsbyplant,andsubsequentdistributionintheplan… 相似文献
9.
Landscape planning and ecology construction of wetland comprehensive protected area system in the Sanjiang Plain 总被引:2,自引:0,他引:2
IntroductionWetlandisoneoftherichestbiodiversityareasintheearth .Biodiversityshouldincludefourlevels:hereditydiversity ,speciesdiversity ,ecosystemdiversityandlandscapediversity .Speakingfromcertainangles,theprotectionofecosystemdiversityandlandscapediver… 相似文献
10.
Detecting forest landscape boundary between Mountain Birch and evergreen coniferous forest in the northern slope of Changbai Mountain 总被引:3,自引:0,他引:3
IntroductionLandscapeboundaries,ortransitionalzones ecotonesamongdifferentlandscapes,haveoftenbeenignoredorreducedtolinesonamapwhenecologistsstudied .Howeverlandscapeboundariesareinherentfeaturesoflandscapesandplayimportantrolesinecosystemsdynamics.Fora… 相似文献
11.
Thenearsurfacedisposalisthemainlydisposalmethodforlowintermediatelevelradioactivesolidwaste(LILW)inmanycountries.Usually,thedisposalwayinthedisposalunitistheconcretesolidificationisputandpiledinarray,andthebackfillandbuffermaterialisfilledbetweentheses… 相似文献
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IntroductionTheprocessofmunicipalsolidwaste(MSW)isoneofthemostseriousissuesintermsofenvironmentalprotection.ProcessingofMSWwithoutfurtherdisastrouscontaminationcanbeachievedonlyinmodernizedmeasures,suchasincineratingandenergygeneratingconcurrently(Shen… 相似文献
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IntroductionHeavymetalsinwaterbodiesaresignificantlydifferentfromorganicpollutantsthatcanbemicrobiologicallydegradedordecomposed .Generally ,theyarepurifiedthroughtheiradsorptionontosuspendedsubstratesinrivers.Adsorptionofheavymetalsonriversuspendedsub… 相似文献
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IntroductionChengdu KunmingRailwayLineislocatedonthemountainregionofsouthwesternChina .Therearealotofdebrisflowgulliesspreadingbesidethisrailwayline .Onsummer,thedebrisflowoftenburstsandthreatensthesafetyoftherailwaytransportation.In 1981,alarge scaledebris… 相似文献
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Phytoremediation and its models for organic contaminated soils 总被引:10,自引:2,他引:10
IntroductionSoilsareasinkfororganicpollutantsofconcernforhumanandenvironmentalhealthandsustainability .Someorganicpollutantsarrivinginsoilscanberapidlydecomposed ,whilstgreatamountoforganicpollutantssuchaspersistentorganicpollutants (POPs)maypersistinso… 相似文献
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IntroductionChromium ,whichistoxictomanandotherlivingorganisms,presentspotentiallyseriousenvironmentalproblemsthroughouttheworld .ChromiummainlyexistsintwoformsasCrⅢ andCrⅥ .CrⅢisoflesspoisonousness,butCrⅥ exhibitsastrongtoxicity .WhenCrⅥisdischargedintowa… 相似文献
17.
Ecological toxicity of reactive X-3B red dye and cadmium acting on wheat (Triticum aestivum) 总被引:17,自引:4,他引:17
IntroductionWiththeincreasingvarietiesandquantitiesofdyesenteringintotheenvironment,dyes,asanimportanttypeofpollutants,haveanadverseeffectonwater soil plantsystems ,accordingtosomeexperimentalresults(Cheng ,inpress) .IntheeasternChina ,industrialwastewaterf… 相似文献
18.
IntroductionInaquaticecosystemsbiologicalcommunitiesareremarkablycomplexinboththeiroperationandresponsetoanthropogenicactivities.Thishasledmanyinvestigatorstoconductlaboratoryandfieldstudiesforevaluatingtheecologicalriskposedbyhumanstoecosystem(Cairns… 相似文献
19.
Wang Zijian 《环境科学学报(英文版)》1999,11(3):322-327
1 IntroductionChinaisundergoingsubstantialandrapidchangesinitssocietyanditseconomicpolicies.Amongvariousenvironmentalproblems,waterpollutionisoneofthemostcriticalissuesfacingChinatoday.Thesepollutantspoisonaquaticorganismsandaccumulateinfishandothere… 相似文献
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IntroductionThetextilewastewatersareoneofthemajorpollutionconcernsinChinawaterenvironment.Thesewastewatersaremainlyeffluentsfromthedesizing ,printinganddyeingprocesses.Thepollutantsindesizingwastewatersdependwidelyonthefibredesized .Thenaturefibredesizi… 相似文献