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1.
NaturereserveconstructionanditscontributiontothebiodiversityconservationinChinamainland¥JiangMingkang;XueDayuan(NanjingInstit...  相似文献   

2.
Capacity and degree of iodine absorbed and enriched by vegetable from soil   总被引:1,自引:0,他引:1  
IntroductionIodineisakeyelementcomposingthyroxin ,whichplaysanimportantroleinthegrowthofthehumanbody.Thyroxinpromotesproteinsynthesis,regulatesenergyconversion ,preservesthecompositionofcentralnervoussystem ,andmaintainsnormalmetabolism .Therefore ,oncethe…  相似文献   

3.
TheconstructionandmanagementofnaturereservesinChinaJinJianmingNationalEnvironmentalProtectionAgencyofChina,Beijing100035,Chin...  相似文献   

4.
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   

5.
IntroductionBeingatypicalpolycyclicaromatichydrocarbons(PAHs) ,benzo[a]pyrene(BaP)deservesseriousstudybecausePAHsarenowrecognizedasmajorenvironmentalpollutants .ExposuretoPaHsisvirtuallyunavoidableandisstronglysuspendedofbeingacausativefactorincertaintumo…  相似文献   

6.
张相红 《世界环境》1996,(2):27-28,31
氟里昂回收、破坏的现状和未来PresentSituationandFutureofRecoveryandDestructionofCFCs¥JakuyukiMatsuoetc.Abstract:AtpresentrecoveryworkofCFCs,...  相似文献   

7.
Effectsofcopper,manganeseandpHonthegrowthandseveralenzymeactivitiesofmycorrhizalfungusCenococcumgeophilumFr.¥KongFanxiang;Zha...  相似文献   

8.
Oxidation rate in the preparation of polyferric sulfate coagulant   总被引:1,自引:1,他引:1  
IntroductionApreparationmethodofpolyferricsulfate (PFS)coagulantwasreportedbyJapanesescientists(Yang ,1986)intheseventies.SincetheeightiesthepreparationandapplicationofPFShavebeenwidelyinvestigatedinChinabecauseofitshighcoagulationefficiencyinwatertreatmen…  相似文献   

9.
1IntroductionTheFirstPharmaceuticalFactoryinShijiazhuangCity,China,builtasetofequipmentoffulscaletreatingVitaminCwastewaterin...  相似文献   

10.
IntroductionIntheFifthFrameworkProgrammeoftheEuropeanCommission(EC,1999),under“toolsforsustainabledevelopment”,therewasrecentlyaspecialcallforproposalsfor“Technologiesforsustainableplantandanimalproduction:buildingblocksforimprovement(forsmallscaleorenvir…  相似文献   

11.
IntroductionSiberiaandtheFarEastaretheoldestandtherichestgold miningareasofRussia .Intensivegold miningherestartedinthebeginningofthe 19thcentury(Vyazelshchikov ,1963) .Forthemostpartgold bearingoresandsandswereprocessedwiththeuseofamalgamationmethodforgolde…  相似文献   

12.
Determinationofpolycyclicaromatichydrocarbonswithsupercriticalfluidextractionandchromatography(SFE/SFC)YaoWeixi(ResearchCente...  相似文献   

13.
TheglobalclimatechangeandforestpredictioninChinaJiangYouxuForestryInstitute,ChineseAcademyofForestry,Beijing100091,ChinaThegl...  相似文献   

14.
IntroductionThemolecularstructuresofphenolsshowcharacteristicofhighlyresonance .Sincechlorineisawithdrawingelectronatom ,substitutionofchlorineonaromaticringcancausemanysignificanteffectsonthereactivityofphenols(Folke,1986;Barbeni,1987;Aitken ,1994 ) .Forexample ,…  相似文献   

15.
Biodegradationofsyntheticsurfactantsbyrivermicroorganisms¥HideakiMaki;KenrouTokuhiro;YasuhiroFujiwara;MichihikoIke;KenjiFuruk...  相似文献   

16.
Kikuchi  A.  Nakagoshi  N.  On  Y. 《环境科学学报(英文版)》2003,15(2):279-283
IntroductionThepeatlessmire(Wolejko ,1986;Fig .1a)isdecreasingextensivelyduetotheabandonmentoftraditionalmanagement,inflowofthewastedwater,fire,mowing ,reclaimingandotherartificialimpactsinthemodernlandscapeofsouthwesternJapan(Fujiwara ,1979) .Mireofthistypeisnow…  相似文献   

17.
FateofpesticideN’(2,4dimethylphenyl)NmethylformamidehydrochlorideinsimulatedaquaticecosystemYangKewu,MoHanhong,AnFengchu...  相似文献   

18.
CharacteristicsforthehybridcelFoazobtainedfromtheprotoplastfusionbetwenyeastandphotosyntheticbacteriainsoybeanprocesingwastew...  相似文献   

19.
Fromeconomicprosperitytoecologicalsustainability──AtheoreticalandpracticalconcernofsustainabledevelopmentinChinaWangRusong,Hu...  相似文献   

20.
1IntroductionLandscapeecologyfocusesonstructure,function,andchangesinlandscape(Forman,1986).Heterogeneityinlandscapesisshaped...  相似文献   

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