共查询到20条相似文献,搜索用时 578 毫秒
1.
NaturereserveconstructionanditscontributiontothebiodiversityconservationinChinamainland¥JiangMingkang;XueDayuan(NanjingInstit... 相似文献
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IntroductionIodineisakeyelementcomposingthyroxin ,whichplaysanimportantroleinthegrowthofthehumanbody.Thyroxinpromotesproteinsynthesis,regulatesenergyconversion ,preservesthecompositionofcentralnervoussystem ,andmaintainsnormalmetabolism .Therefore ,oncethe… 相似文献
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Jin Jianming 《环境科学学报(英文版)》1997,9(2):129-140
TheconstructionandmanagementofnaturereservesinChinaJinJianmingNationalEnvironmentalProtectionAgencyofChina,Beijing100035,Chin... 相似文献
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Atmospheric particulate pollution of Lanzhou using magnetic measurements 总被引:13,自引:0,他引:13
1 IntroductionAtmosphericparticulateisoneofthemainatmosphericpollutantsinChina.Itmaybeharmfulitselfandcanactasacarrieroftoxicmatterswhichmayhaveremarkableimpactsonhumanhealthandatmosphericenvironmentquality.Combustionofcoal,whichstillservesasprimarye… 相似文献
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IntroductionBeingatypicalpolycyclicaromatichydrocarbons(PAHs) ,benzo[a]pyrene(BaP)deservesseriousstudybecausePAHsarenowrecognizedasmajorenvironmentalpollutants .ExposuretoPaHsisvirtuallyunavoidableandisstronglysuspendedofbeingacausativefactorincertaintumo… 相似文献
6.
氟里昂回收、破坏的现状和未来PresentSituationandFutureofRecoveryandDestructionofCFCs¥JakuyukiMatsuoetc.Abstract:AtpresentrecoveryworkofCFCs,... 相似文献
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Effectsofcopper,manganeseandpHonthegrowthandseveralenzymeactivitiesofmycorrhizalfungusCenococcumgeophilumFr.¥KongFanxiang;Zha... 相似文献
8.
CHANG Qing 《环境科学学报(英文版)》2001,13(1):104-107
IntroductionApreparationmethodofpolyferricsulfate (PFS)coagulantwasreportedbyJapanesescientists(Yang ,1986)intheseventies.SincetheeightiesthepreparationandapplicationofPFShavebeenwidelyinvestigatedinChinabecauseofitshighcoagulationefficiencyinwatertreatmen… 相似文献
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1IntroductionTheFirstPharmaceuticalFactoryinShijiazhuangCity,China,builtasetofequipmentoffulscaletreatingVitaminCwastewaterin... 相似文献
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IntroductionIntheFifthFrameworkProgrammeoftheEuropeanCommission(EC,1999),under“toolsforsustainabledevelopment”,therewasrecentlyaspecialcallforproposalsfor“Technologiesforsustainableplantandanimalproduction:buildingblocksforimprovement(forsmallscaleorenvir… 相似文献
11.
Laperdina T. G. Melnikova M. V. Koval A. T. Sidorov Y. F. Nagorny V. A. Ostapchuk V. I. 《环境科学学报(英文版)》2000,(Z1)
IntroductionSiberiaandtheFarEastaretheoldestandtherichestgold miningareasofRussia .Intensivegold miningherestartedinthebeginningofthe 19thcentury(Vyazelshchikov ,1963) .Forthemostpartgold bearingoresandsandswereprocessedwiththeuseofamalgamationmethodforgolde… 相似文献
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Determinationofpolycyclicaromatichydrocarbonswithsupercriticalfluidextractionandchromatography(SFE/SFC)YaoWeixi(ResearchCente... 相似文献
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Jiang Youxu 《环境科学学报(英文版)》1994,6(3):310-321
TheglobalclimatechangeandforestpredictioninChinaJiangYouxuForestryInstitute,ChineseAcademyofForestry,Beijing100091,ChinaThegl... 相似文献
14.
Effects of chlorine content and position of chlorinated phenols on their oxidation kinetics by potassium permanganate 总被引:1,自引:0,他引:1
IntroductionThemolecularstructuresofphenolsshowcharacteristicofhighlyresonance .Sincechlorineisawithdrawingelectronatom ,substitutionofchlorineonaromaticringcancausemanysignificanteffectsonthereactivityofphenols(Folke,1986;Barbeni,1987;Aitken ,1994 ) .Forexample ,… 相似文献
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Hideaki Maki Kenrou Tokuhiro Yasuhiro Fujiwar Michihiko Ike Kenji Furukaw Masanori Fujita 《环境科学学报(英文版)》1996,8(3):275-284
Biodegradationofsyntheticsurfactantsbyrivermicroorganisms¥HideakiMaki;KenrouTokuhiro;YasuhiroFujiwara;MichihikoIke;KenjiFuruk... 相似文献
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IntroductionThepeatlessmire(Wolejko ,1986;Fig .1a)isdecreasingextensivelyduetotheabandonmentoftraditionalmanagement,inflowofthewastedwater,fire,mowing ,reclaimingandotherartificialimpactsinthemodernlandscapeofsouthwesternJapan(Fujiwara ,1979) .Mireofthistypeisnow… 相似文献
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FateofpesticideN’(2,4dimethylphenyl)NmethylformamidehydrochlorideinsimulatedaquaticecosystemYangKewu,MoHanhong,AnFengchu... 相似文献
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CharacteristicsforthehybridcelFoazobtainedfromtheprotoplastfusionbetwenyeastandphotosyntheticbacteriainsoybeanprocesingwastew... 相似文献
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Fromeconomicprosperitytoecologicalsustainability──AtheoreticalandpracticalconcernofsustainabledevelopmentinChinaWangRusong,Hu... 相似文献
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1IntroductionLandscapeecologyfocusesonstructure,function,andchangesinlandscape(Forman,1986).Heterogeneityinlandscapesisshaped... 相似文献