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ISO14000只是一个起点ISO14000isonlyAStartingPoint¥Dr.josephFikselAbstract:ThebyzantineISOProcesshasProducedthousandsofpagesofdraftdo... 相似文献
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IntroductionNowSO2 istheoneofmaingaspollutantsandthemaincauseofacidrainproblem .SO2removalby pulsecoronadischargeisanewDe SO2 techniquedevelopedduringlastten years(Masuda ,1 993;Mizuno ,1 986 ;Dinelli,1 990 ) .SO2 influegasisoxidizedbyactivatedradical(suchasOH ,HO2 ,NH2 ,O)w… 相似文献
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如何解决废物处置场问题HowtoDealwithWasteDisposalSites¥MitsuoOhashiAbstract:TheactualnumberofwastedisposalsitesinJapanismorethan30thousan... 相似文献
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1 IntroductionMunicipalsolidwastes(MSWs)polluteenvironment,occupylotsoflandandcostmuchmoneyfordisposal.Toprotecttheenvironment,itisurgenttosearchforagoodwayofMSWdisposal.Atpresent,therearemanymethodssuchaslandfill,incineration,compost,hightemperatur… 相似文献
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《安全.健康和环境》2003,(4)
Theriskofgettinglungorbladdercancerfollowingoccupationalexposuretopolycyclicaromatichydrocarbons(PAHs)hasbeenquantifiedforthefirsttime,inare searchreportpublishedbytheHealthandSafetyExecu tive(HSE).PAHsareagroupofchemicalsthatarefoundineveryindustry,e… 相似文献
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1 Materialsandmethods1.1 ClayandchemicalsTheclayusedwasamontmorilloniteSwy2fromCrookCounty,Wyoming,andwaspurchasedfromtheSourceClayMineralsRepositoryatUniversityofMissouri,Columbia,MO.The<2μmfractionwasobtainedbysedimentation.Na+,K+,Mg2+andCa2+saturatedclayswe… 相似文献
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IntroductionSinceearly 1 990s,theremediationofwaterorganicpollutionwithadvancedoxidationprocesshasarousedattentionsfromworldwide(D’Oliveira ,1 990 ;Ollis ,1 991 ;Hidaka ,1 995;Sunada,1 998;Tanaka ,2 0 0 0 ) .Remarkableprogresshasbeenobtainedovertheapplicationofphotocatalyzedox… 相似文献
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IntroductionInmosthigherplantsthesynthesisandaccumulationofbetaineunderstresscondition(saltordrought)hasimportantphysiologicalsignificance(Greenway,1980;Hanson,1978;Storey,1977;Wyn,1977;1978;Hatz,1980).Thereweremanystudiesonthechangeinbetainelevelsin… 相似文献
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IntroductionIndustrialwastewateroftencontainshighly concentratedinorganicsalts.CommoncationsincludeK ,Na andCa2 ,andcommonanionsincludeCl-,SO42 -andNO3-.Forexample ,wastewaterfromtheprocessofdyestuffs,suchascationicblueX GRRL ,basicbrown ,basicorange,basicviole… 相似文献
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A two-stage anaerobic system for biodegrading wastewater containing terephthalic acid and high strength easily degradable pollutants 总被引:1,自引:0,他引:1
IntroductionTerephthalicacid (TA)isoneoftherawmaterialswidelyusedinthepetrochemicalsynthesisindustrysuchasresin ,terylenefibre ,plasticfilmanddyeandsoon .In 1999,thetotaloutputofTAwasabout10 0billiontonperyear,andcountriesorareasproducingTAincludeUSA ,Japan ,Sou… 相似文献
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IntroductionInstallationofscrubbersortheuseoflowsulfur containingcoalaretwooptionsusedbypowerplantstoreduceSO2 emissions.ThemajorityofpowerplantscontrolSO2 emissionsusinglimebasedscrubbing ,althoughthisdesulfurizationprocesshasanumberofadvantages,italsoh… 相似文献
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IntroductionCoalisanimportantfuelinChina .LargequantitiesofSO2 producedincoalcombustionhavecausedtheairpollutionandfurthertheformationofacidraininsomeareas,soreducingtheSO2emissionisveryimportantinChina .Generally ,calciumcompoundsareusedassulfurfixatived… 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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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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《安全.健康和环境》2002,(10)
NationalSafetyCouncilNewSafetyandHealthCodeofEthics:ElementsofSafetyandHealthLeadershipandCor porateResponsibilityforCEOs.TheNationalSafetyCouncil(NSC)hassetoutaproject.Itbelievesthiswillincreasecorporateaccount abilityforsafetyandhealth.Workingwithit… 相似文献
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IntroductionTheuseofchemicals,includingpesticides,hasbecomeanintegralandeconomicallyessentialpartofmodernagriculture.Pesticide?.. 相似文献
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Effects of ground-level ozone (O_3) pollution on the yields of rice and winter wheat in the Yangtze River Delta 总被引:9,自引:0,他引:9
IntroductionInChina ,withtherapideconomicdevelopmentandunprecedentedchangesinlanduse ,artificialemissionofNOxandVOCshasincreasedsignificantlytothedoubleduringthepast 11yearsandreachesthesamelevelasUSAandEurope(Elliott,1997) .Asaresult,theground levelO3concent… 相似文献
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IntroductionContaminationofediblevegetationbypersistent,ubiquitouschemicalssuchasPCBs,dioxins,pesticides,andherbicidesprovidesamajorexposureroutetohumans ,domesticanimalsandwildlife .Uptakeoftheseorganicchemicalsbyplant,andsubsequentdistributionintheplan… 相似文献