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1.
IntroductionDiffusionmaybethedominantmasstransfermechanism(comparedtoadvection)inporousmediaoflowpermeabilitywhicharewidelyusedasnaturalorartificialbarriersforpollutioncontrolatwastedisposalsites.Diffusiontransportofcontaminantsthroughclay,silt,mudrock…  相似文献   

2.
废物处置     
废物处置SolidWasteDisposal¥(UNEP)Abstract:About90%ofmunicipalsolidwasteand70%ofdangerouswastesarelandfilled.Therestiseitherincine...  相似文献   

3.
TheoreticalStudyHalegenAnomalyandItsFormingMechanismintheMetalOreDeposits:AsExemplifiedbyChadongAg AuDepositinWestern GuangdongProvinceZhangQianetal.(1) (1)……………………………………………………………………………………ClassificationofChrome SericiteMineralSeriesfromJinchangGoldDeposit,…  相似文献   

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

5.
IntroductionThereisagrowingawarenesstotheimportanceofairpollutioninmajorcites.Anumberofstudieshaveshownthattheconcentrationsofcertaintraceelementsintheurbanatmospherehavebeenelevatedby pollution ,andtherefore ,thehighestconcentrationsofthesechemicalcont…  相似文献   

6.
UnitedNationshavementionedthatover30Euro pean,CentralAsianandNorthAmericancountrieshaveagreedapactextendingthepublic'srighttoknowaboutchemicalwasteandtoxicpollutantsintheirareas.Afterovertwoyearsofnegotiationsthedraftagree mentwillcoverthedisposal,sto…  相似文献   

7.
lectrochemicalstudyofsulfidesolutioninthepresenceofsurfactantsYiQingfengDepartmentofChemicalEnginering,XiangtanPolytechnicU...  相似文献   

8.
DevelopmentoftheprocedureforthestabilizationofrainwatersamplesYuanZhongxin;Chung-ShinYuan(DepartmentofChemicalEngineeringNati...  相似文献   

9.
TheoreticalStudyGeologicalFeaturesandMetallogenicTypeoftheLiushashanGold (Molybdenum)DepositinEjinQi(Prefecture) ,WesternInner MongoliaNieFengjunetal.(1) (1)……………………………………………………………………………………………CharacteristicsofTraceElementsinAketishikanGoldDeposit ,XinjiangYu…  相似文献   

10.
全球固体废物的产生、处置、危害状况与控制战略联合国规划署UNEPGeneration,DamageandDisposalofGlobalSolidwastesanditscontrolStrategies¥Abstract:Thepaperintro...  相似文献   

11.
HydraulicandcarbonizingactionsofsulfuricacidtostrawpulpandpaperblackliquorYangRunchang;ZhouShutianDepartmentofChenucalEnginee...  相似文献   

12.
OntheecologyofvectorsFernandoDiasdeAvilaPiresDepartmentofTropicalMedicine,InstitutoOswaldoCruz,21045900RiodeJaneir,BrazilAb...  相似文献   

13.
AnintegratedapproachtoevaluationonecologicalservicefunctionsforurbangrenspaceanditsapplicationHuDan,WangRusongResearchCente...  相似文献   

14.
Progress of optical determination for phenolic compounds in sewage   总被引:1,自引:0,他引:1  
ProgresofopticaldeterminationforphenoliccompoundsinsewageYuanCunguangDepartmentofChemicalEnginering,UniversityofPetroleum,Sh...  相似文献   

15.
TestofmembranebioreactorforwastewatertreatmentofapetrochemicalcomplexFanYaobo,WangJusi,JiangZhaochunDepartmentofWaterPolu...  相似文献   

16.
Ecological-breakingzoneoriginatesanditsecosystemsreconstructioninaridarea¥HuangPeiyou;LuZili(BiologyDepartmentofXinjiangUnive...  相似文献   

17.
IntroductionThebrassylicacidmanufacturingwastewatercontainshighchemicaloxygendemand(COD)concentration3000—12000mg/LanditsBOD5/CODisamong04—05Meanwhilethewastewatercontainshighsulphateconcentrationabout13000mg/LanditspHvalueisonly1—2Achemicalcompanyappliedneutrali…  相似文献   

18.
KineticsforthereactionofhydroxylradicalswithCH3BranditsimplicationsintheatmosphereZhangDeqiang,ZhongJinxianResearchCenterfo...  相似文献   

19.
Thenearsurfacedisposalisthemainlydisposalmethodforlowintermediatelevelradioactivesolidwaste(LILW)inmanycountries.Usually,thedisposalwayinthedisposalunitistheconcretesolidificationisputandpiledinarray,andthebackfillandbuffermaterialisfilledbetweentheses…  相似文献   

20.
Biogeochemical cycles of selenium in Antarctic water   总被引:2,自引:0,他引:2  
BiogeochemicalcyclesofseleniuminAntarcticwater¥XiaWeiping(DepartmentofOceanography,OldDominionUniversity,Norfolk,VA23529,USA)...  相似文献   

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