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1.
IntroductionContaminationofediblevegetationbypersistent,ubiquitouschemicalssuchasPCBs,dioxins,pesticides,andherbicidesprovidesamajorexposureroutetohumans ,domesticanimalsandwildlife .Uptakeoftheseorganicchemicalsbyplant,andsubsequentdistributionintheplan…  相似文献   

2.
Technological system for sustainable development of Chinese agriculture   总被引:1,自引:0,他引:1  
TechnologicalsystemforsustainabledevelopmentofChineseagricultureZhangRenwu;JiWenying;ZhangTong(Agro-EnvironmentalProtectionIn...  相似文献   

3.
IntroductionIntheFifthFrameworkProgrammeoftheEuropeanCommission(EC,1999),under“toolsforsustainabledevelopment”,therewasrecentlyaspecialcallforproposalsfor“Technologiesforsustainableplantandanimalproduction:buildingblocksforimprovement(forsmallscaleorenvir…  相似文献   

4.
1 IntroductionMunicipalsolidwastes(MSWs)polluteenvironment,occupylotsoflandandcostmuchmoneyfordisposal.Toprotecttheenvironment,itisurgenttosearchforagoodwayofMSWdisposal.Atpresent,therearemanymethodssuchaslandfill,incineration,compost,hightemperatur…  相似文献   

5.
ChemicalcharacteristicsofacidifiedwatersinsouthwestChinaLeiZhihong;LiangXiaoming;XuXiaoqing;XiaYicheng(InstituteofHydrobiolog...  相似文献   

6.
TestofmembranebioreactorforwastewatertreatmentofapetrochemicalcomplexFanYaobo,WangJusi,JiangZhaochunDepartmentofWaterPolu...  相似文献   

7.
NewISOStandardsISO(InternationalOrganizationforStandardization)haspublishedanewterminologystandard -14050,En vironmentalmanagement -Vocabulary.Itexplains106termsanddefinitionsusedinISO's14000seriesstan dards.ISOhasalsopublisheditsfirsttechnicalspecifica…  相似文献   

8.
IntroductionWatercontaminantsincludealargenumberofchemicalsrangingfromaromatichydrocarbons,organicsolvents,pesticidesandmetals.Heavymetalcontaminationiscommonlyfoundinareaswhereindustrialeffluentsaredischargedintonaturalwaters .Theharmfuleffectsofsuchm…  相似文献   

9.
Agro-ecological engineering in China: a way towards sustainableagriculture   总被引:1,自引:0,他引:1  
IntroductionWithhighrateoftheworldeconomicgrowthinthiscentury ,manyunprecedented“ecologicalcrises” ,suchasdepletionofnaturalresources,environmentaldeterioration ,soilerosion ,decertification,andglobalchange,havebrokenoutallovertheworld .Manyevidencesindica…  相似文献   

10.
Impact of triazophos insecticide on paddy soil environment   总被引:2,自引:0,他引:2  
IntroductionRiceisthestapledietaround 3 0 %oftheworldpopulationandaround 60 %oftheAsianpopulation .Thiscropispreferentiallyorgenerallycultivatedundersubmergedsoilconditionsforreasonsofbetteryieldsandtopographicalsituations(Reichardt,1 997) .Theimportanceofsoilm…  相似文献   

11.
Theriskofgettinglungorbladdercancerfollowingoccupationalexposuretopolycyclicaromatichydrocarbons(PAHs)hasbeenquantifiedforthefirsttime,inare searchreportpublishedbytheHealthandSafetyExecu tive(HSE).PAHsareagroupofchemicalsthatarefoundineveryindustry,e…  相似文献   

12.
IntroductionThehydrophobicityofacompoundplaysanimportantroleinphenomenaofphysico chemical,biologicalandenvironmentalinterest.Duetoitsadvantages (Thus,1 985) ,reversed phasehigh performanceliquidchromatography (RP HPLC)usingoctadecylsilicaasastationaryphasehasb…  相似文献   

13.
IntroductionGeostatisticshasprovenusefulforcharacterizingandmappingthespatialvariationofsoilproperties (Webster,1985;Trangmar,1985;Goovaerts ,1999) .Mostpreviousgeostatisticalstudiesfocusedonthedataofarelativelysmallspatialscale(Chien ,1997) .Theapplicationofgeostat…  相似文献   

14.
IntroductionTerephthalicacid (TA)isoneoftherawmaterialswidelyusedinthepetrochemicalsynthesisindustrysuchasresin ,terylenefibre ,plasticfilmanddyeandsoon .In 1999,thetotaloutputofTAwasabout10 0billiontonperyear,andcountriesorareasproducingTAincludeUSA ,Japan ,Sou…  相似文献   

15.
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   

16.
TheoreticalStudyHalegenAnomalyandItsFormingMechanismintheMetalOreDeposits:AsExemplifiedbyChadongAg AuDepositinWestern GuangdongProvinceZhangQianetal.(1) (1)……………………………………………………………………………………ClassificationofChrome SericiteMineralSeriesfromJinchangGoldDeposit,…  相似文献   

17.
TheEcologicalSafetyinGreatWesternRegionDevelopmentinChinaLIKang (1)……………………………………………………PAHsandNormal AlkanesinUrbanAirofBeijing,TokyoandTsukubaHUANGYe ru ,DIYi an ,SHIJun hui,etal.(4)…………StudyonPriorityPolycyclicAromaticHydrocarbons (PAHs)inDustfallatMacao QIS…  相似文献   

18.
IntroductionSignificantwaterqualitymanagementformitigationofenvironmentalpollutioncausedbyhazardouschemicalsisstillamatterofstringentenvironmentalconsiderationinJapan .Subsequently,regularon goingmonitoringareimplemented ,especiallyforsyntheticchemicals…  相似文献   

19.
lectrochemicalstudyofsulfidesolutioninthepresenceofsurfactantsYiQingfengDepartmentofChemicalEnginering,XiangtanPolytechnicU...  相似文献   

20.
Impacts of ozone on the biomass and yield of rice in open-top chambers   总被引:4,自引:0,他引:4  
IntroductionOzone(O3)formedasphotochemicalsmogisthemostdangerandwidespreadcomponentintheairpollution.Nowadays,thetypicaldailymaximumO3concentrationsinurbansuburbanandareashavereached100~400nl/Land50~120nl/L,respectively.Undercertainmeteorologicalconditionrural…  相似文献   

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