学科分类
/ 1
3 个结果
  • 简介:Thispaperisaimedatintroducingourresearchresultintheefficiencyinremovingnitrousoxidegas(N_2O)byusingcompostasamediumfilter,whichisactuallyakindofmanurederivedfromcowfaecesatKukusanKelurahanfarmconlaingwoodchipsandsomeothermicroorganisms.Practicallyspeaking,N_2Oisamajorgreenhousegas,whosecontinuouspresenceintheatmosphereisexpectedtolastovera100yearsandproduceitsradiativewarmingeffectjustnexttoCO_2.Inspiteofitsrathersmallconcentrationintheatmosphere,itistheNumberFourlargestgreenhousegascontributortotheoverallglobalwarming,behindcarbondioxide,methaneandwatervapour.ThebiofiltrationexperimentswehaveconductedtoexploreitsremovingrateofN_2Ofromfluegashelpustofindvariousoperatingfactorsinthebiofiltersystem.Sofarasweknow,N_2Ogashasbeenfedfromthetopofthecolumn.Itwasflowingthroughthecolumnwhenitismadetogetcirculatedwithaperistalticpumpfor6hours.ThedataobtainedinourpaperprovetobeinconformitywiththeLangmuiradsorptionmodel.ThehighestN_2Ogasremovingefficiencycanbemadetobeashighas70.22%atthehighestbiofilterlengthof50cmwiththegasflowingrateof200mL/min.TheresultsofthisresearchhavefinallybeenmodeledbytheLangmuiradsorptionisothermformulawithitsKvalueobtainedbeing16.949L/mol.

  • 标签: 摘要 编辑部 编辑工作 读者
  • 简介:Thewideapplicationofnewinformationandcommunicationtechnologies(ICTs)hasbeenarguedtobecriticaltobusinesssuccessofsmallandmedium-sizedenterprises(SMEs),especiallytothoseinthedevelopingcountries.Drawinguponexistingliterature,thisarticlewillexaminethedeterminantsofICTsapplicationinSMEsinChinabasedondatacollectedfrominterviewswithtopmanagersand/orownersof70SMEs.Weidentify20factorsaffectingICTsapplicationinSMEsinChinaanddividethemintofourbroadcategories,namelypressures,firmspecificfactors,technicalfactorsandlocalmilieu.WealsopayspecialattentiontotheChinesebusinessenvironmentaffectingICTsapplication.OuranalysisshowsthatlocalICTinfrastructure,externalpressuresfromcompetitorsandICTknowledgeofemployeesarethedeterminantsofInternetapplicationbySMEs,whileproductcharacteristicsandmarkettargetareimportantfactorsofe-commerceadoption.

  • 标签: 信息通信技术 中小型企业 发展中国家 中小企业 可持续发展 应用信息
  • 简介:WiththeeconomicdevelopmentandtheaccelerationofmotorizationinChina,thenumberofprivatecarsincreasesrapidlyinurbanareas.However,thelimitofurbanresourcesandthecontradictionbetweentrafficsupplyanddemandareincreasinglyprominentinlargecities,whileprivatecarconsumptionhasbeenanew'light'inmediumandsmallcities.Consumers’behaviorsdifferfromregiontoregion.Aimingattheaboveproblems,weformulatestructuralequationmodelingandcarryoutempiricalresearch.Inthispaper,acomparativestudyaboutthemaininfluentialfactorsthataffecttheconsumptionofprivatecarsinlargeandsmallcitiesinChinaismade,anditishopedthatsomeguidanceforpolicyrecommendationscanbeobtained.

  • 标签: