简介：Inthispaper,sixkindsofactivatedcarbonssuchasAg^+-activatedcarbon,Cu^2+activatedcarbon,Fe^3+-activatedcarbon,activatedcarbon,Ba^2+-activatedcarbonandCa^2+activatedcarbonwereprepared.Themodelforestimatingactivatedenergyofdesorptionwasestablished.Temperature-programmeddesorption(TPD)experimentswereconductedtomeasuretheTPDcurvesofn-hexanolandthenestimatetheactivationenergyfordesorptionofn-hexanolontheactivatedcarbons.Resultsshowedthattheactivationenergyforthedesorptionofn-hexanolontheAg^+-activatedcarbon,theCu^2+-activatedcarbonandtheFe^3+-activatedcarbonwerehigherthanthoseofn-hexanolontheactivatedcarbon,theCa^2+-activatedcarbonandtheBa^2+-activatedcarbon.

简介：Activatedcarbonfiberisonekindofimportantadsorptionmaterials.Thesenovelfibrousadsorbentshavehighspecificsurfaceareasorabundantfunctionalgroups,whichmakethemhavegreateradsorption/desorptionratesandlargeradsorptioncapacitiesthanotheradsorbents.Theycanbepreparedasbundle,paper,clothandfelttomeetvarioustechnicalrequirement.Theyalsoshowreductionproperty.Inthispaperthelatestprogressonthestudiesofthepreparationandadsorptionpropertiesofactivatedcarbonfibersisreviewed.Theapplicationofthesematerialsindrinkingwaterpurification,environmentalcontrol,resourcerecovery,chemicalindustry,andinmedicineandhealthcareisalsopresented.

简介：ThedynamiccompetititveadsorptionbehaviorsofdifferentbinaryorganicvapormixturesonACF-Psunderdifferentoperationconditonswereinvestigatedbygaschromatographyinthispaper,Thestudiedmixtruesincludedbenzene/toluene,toluene/xylene,benzene/isopropylbenzeneethlyacetate/tolueneandbenzene/ethylacetate.ExperimentalresultsshowthatvariousACF-Ps,aswithACF-W,canremovebothvaporsinbinaryvapormixtureswithover99%ofremovalefficiencybeforethebreakthroughpointofthemoreweaklyadsorbedvapor,Indynamiccompetitiveadsorption,themoreweaklyweakleadsorbedvapornoeonlypenetratesearly,butalsowillbedisplacedanddesorbedconsequentlybystrongeradsorbateandthereforeproducesarollingupinthebreakthroughcurve,TheACF-Pspreparedatdifferenttemperatuershavesomewhatdifferentadsorptionselectivity,Thefeedconcentrationratioofvapros,thelength/diameterratioandthethickofbedhaveeffectoncompetitiveadsorption.Thecompetitiveadsorptionabilityofavaporismainlyrelatedtoitsboilingpoint.Usually,thehighertheboilingpoint,thestrongerthevaporadsorbedonACF-P.

简介：StructuresofaseriesofactivatedcarbonfibersweremodifiedbyimpregnatingthemwithorganicandinorganicmaterialssuchasMethyleneblue(Mb)、p-nitrophenol(PNP)、NaClorbyoxidizingwithKMnO4orHNO3.Theinfluenceofporefillingorchemicaltreatmentontheirxenonadsorptionpropertieswasstudied.TheexperimentalresultsshowthatMbandPNPfillingofactivatedcarbonfibersresultinthedecreaseofxenonadsorptioncapacitiesofthesetreatedACFs,whichisduetothedecreaseoftheirsurfaceareaandmicro-porevolume.However,theadsorptioncapacityincreasesgreatlywithoxidizingtreatmentofactivatedcarbonfibersby7mol/LHNO3.

简介：XPS(X光检查光电子光谱学)分光计EscA-750被用来分析激活的碳，磁性的试剂和磁性的激活的碳的表面特性。他们的C原子价的分发和变化是坚定的。结论是磁性的试剂能化学上在激活的碳的表面上被吸附。在微观结构的磁性的试剂的吸附的机制的解释被讨论。

简介：Theadsorptionbehaviorofdyesonavarietyofsisalbasedactivatedcarbonfibers(SACF)hasbeenstudiedinthispaper.TheresultsshowthatthiskindofACFhasexcellentadsorptioncapacitiesforsomeorganic(dye)molecules.SACFcanremovenearlyallmethyleneblue,crystalviolet,bromophenolblueandEriochromeblueblackRfromwaterafterstaticadsorptionfor24h.at30℃.Theadsorptionamountscanreachmorethan400mg/gwhenadding50mgSACFinto50mldyesolution.Underthesameconditions,theadsorptionamountsofxylenolorangefluoresceinandEriochromeblackTwreelower.Ontheotherhand,theadsorptionamountschangealongwiththecharacteristicsofadsorbents.TheSACFsactivatedabove840℃,whichhavehigherspecificsurfaceareasandwiderporeradii,havehigheradsorptionamountsforthedyes.TheresearchingresultsalsoshowthattheadsorptionratesofdyesontoSACFsdecreasebytheorderofmethyleneblue,EriochromeblueblackRandcrystalviolet.

简介：Pitchbasedactivatedcarbonfiber(PACF)wasprepared,andinfluencesofpreparingconditionsuchasactivatedtemperatureandtimeontheyield.specificsurfaceareaofPACFanditsadsorptionbehaviortowardsn-butanethiolwerestudied.TheresultsshowedthatsimplePACFcouldnotremoven-butanethiolfromn-hexanesolution.Therefore,dispersionofsuitablecatalystsuchascobaltsaltonPACFisneeded,CobaltsolatdispersedPACFcanremoven-butanethiolquickly.

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简介：Threekindsofcommercialactivatedcarbons,suchasNoritRB1,MonolithandChemvironactivatedcarbons,wereusedasadsorbentsforadsorptionofdibenzofuran.Theaverageporesizeandspecificsurfaceareaoftheseactivatedcarbonsweremeasured.TemperatureProgrammedDesorption(TPD)experimentswereconductedtomeasuretheTPDcurvesofdibenzofuranontheactivatedcarbons,andthentheactivationenergyfordesorptionofdibenzofuranontheactivatedcarbonswasestimated.TheresultsshowedthattheChemvironandtheNoritRB1activatedcarbonmaintainedhigherspecificsurfaceareaandlargermicroporeporevolumeincomparisonwiththeMonolithactivatedcarbon,andtheactivationenergyforthedesorptionofdibenzofuranonthesetwoactivatedcarbonswashigherthanthatontheMonolithactivatedcarbon.Thesmallertheporeoftheactivatedcarbonwas,thehighertheactivatedenergyofdibenzofurandesorptionwas.

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简介：激活的污泥的机械除去由于它的高压缩的可能性是困难的，它能被electroosmosis改进。在electroosmosis，直接电场被用于污泥蛋糕。基于不同污泥床的电导率模式，一个模型在在哪个污泥，蛋糕在电路由二系列部分组成被介绍：一张除去的床和一张undewatered床。称为稳固的售票员的除去的床主要由不可移动的水和污泥粒子组成。undewatered床包括活动的水和稳固的售票员，它在电路在平行被连接。模型在污泥蛋糕与时间和电力消费把水内容的变化描述为水内容的功能，并且为除去的electroosmotic的变化解释原因率。有为在经常的电压下面除去的electroosmotic的试验性的数据的比较支持模型的有效性。

简介：Clusterinisa75-80kDaheterodimericglycoprotein,thatisproducedinmosttissuesbutwhichexactbiologicalroleisstillnotclear.Particularly,itsroleinprotectionorpromotionofapoptosisisheavilydisputed,sincedatasupportingbothviewshavebeenreportedinseveralindependentstudies.Toclarifythisissue,andalsotodeterminewhetherclusterinexpressionitselfmightbeaffectedbyapoptosis,inthepresentstudy,ratthymocytesweretreatedwithdexamethasone,-asyntheticglucocorticoidthatelicitsapoptosisinthymocytes-,andclusterinmRNAexpressionwasanalyzedbysemi-quantitativeRT-PCRbeforeandafterinductionofapoptosis.Interestingly,neitherthetreatmentwithdexamethasoneinvitronortriggeringofapoptosisinvivoup-regulatedclusterinexpression,opposingtheviewthatclusterinisinvolvedinapoptoticprocesses.Ontheotherhand,anewclusterinmRNAisoformwasdetectedandisolated,whoseexpressionwasrestrictedtofreshlyisolatedthymocytes.Thisnovelisoformlacksthepost-translationalproteolyticcleavagesiteandisthereforepredictedtoencodeamonomericprotein.Thebiologicalfunctionundernormalcircumstances,however,willneedfurtherinvestigationsforclarification.Whileapoptosiscouldnotmodulateclusterinexpression,activationofthymocyteswithconcanavalinAandinterleukin-2resultedinup-regulationofclusterinmRNAlevel,indicatingthatclusterinexpressionisratherunderthecontrolofcellactivation-mediatedratherthanapoptosis-inducedsignals.

简介：ThehighalkalinitymagmatismandthcacconlpanicdorcmincralizationisconneetedwiththeMeso-zoicactivizationthatcnvelopedthelargeregionsofCentralandEastAsin.Thegeological-structural,magmatieandgeoehemicalrelationsbetweentheoremineralisationandmagmaticassociationshelptodistinguishthebigore-magmaticsrrtems(OM

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简介：Theeffectoftheimprovementofcommercialactivatedcarbon(AC)onitsspecificcapacitanceandhighratecapabilityofdoublelayer(dl)charging/dischargingprocesshasbeenstudied.TheimprovementofACwascarriedoutviaasecondaryactivationundersteaminthepresenceofcatalystNiCl2,andthesuitableconditionwasfoundtobeaheattreatmentatabout875℃for1h.Underthoseconditions,thedischargespecificcapacitanceoftheimprovedACincreasesupto53.67F/g,showinganincreaseofabout25%ascomparedwiththatofas-receivedAC.Thegoodrectangular-shapedvoltammogramsandA.C.impedancespectraprovethatthehighratecapabilityofthecapacitormadeoftheimprovedACisenhancedsignificantly.Thecapacitanceresistance(RC)timeconstantofthecapacitorcontainingtheimprovedACis1.74s,whichismuchlowerthanthatoftheonecontainingas-receivedAC(anRCvalueof4.73s).ItisnotedthatbothkindsofACsamplesshowasimilarspecificsurfaceareaandporesizedistribution,butsomechangeshavetakenplaceinthecarbonsurfacegroups,especiallyadecreaseintheconcentrationofsurfacecarbonylgroupsaftertheimprovement,whichhavebeenverifiedbymeansofX-photoelectronspectroscopy.Accordingly,itissuggestedthatthedecreaseintheconcentrationofsurfacecarbonylgroupsfortheimprovedACisbeneficialtotheorganicelectrolyteionpenetratingintothepores,thusleadingtotheincreaseinboththespecificcapacitanceandhighratecapabilityofthesupercapacitor.

简介：ShapeMemoryAlloy(SMA)opticallyactivatedisthekeylechnologyofopticalSMAactivator,AccordingtotheshapememorymechanismofSMA,researchesaredoneontheactivatingresponsetimeandlightwavelengthofactivatingsourceelcofSMAopticallyactivatedtoapproachtheparameterswelectionofopticalactivation,SMAhastheoptimumefficiecyintherageof13secondsto27secondswhenSMAisilluminatedcontinuslybywavelengthof675nm;ThepoweroflightwavehasaloweffectonSMA;thelongertheactivatingwavelenth,thequickertheresponsetimeofSMAactivated,Iftheproperactivatingtimeandactivatingwavelength,areadopted,andthestructuredeformationofcompositematerialofSMAimbeddedmaybeactielycontrolled,andidealeffectwillbegotten,TheresarchprovidesanevdenceforthedesignofopticalSMAactivatorandisofgreatsignificncetoitsapplication,Theresarchonsmartstructurehasawideapplicationprospect.

简介：Severalkindsofactivatedcarbonfiber(ACF),GranuleActivatedcarbon(AC)containingsilverionorfinesilverparticle(Ag-ACF/AC)havebeenpreparedbysoakingACForACinthesaltsolutionofsilver.Ag,AgClandAgIcompoundshavebeenloadedontothefibers:Thestuctureofthefiberswasmeasuredbyscanningelectronmicroscopy(SEM)andpowerX-raydiffraction(XRD),THeAgcontentinthefiberwasobtainedbyanAtomicabsorptionspectroscopy(AAS),TheAg^+contentinwateraftertheantibacterialtestwasmeasuredbyanInductivelyCoupledplasma(ICP)emissionspectroscopy.AntibacterialtestwascarriedoutagainstEscherichiacoli(E.coli)andStaphylococcusaureus(S.aureus).TheresultsshowthatAg-ACF/AChavestrongantibacterialactivityagainstE.ColiandS.aureus.AfterdealtwithACF/ACloadingAg,AgCl,AgI,noE.coliandS.aureusaliveinsolutioncanbedetected.TheanalysisofAgcontentinwaterafterantibacterialtestshowedthatthecontentofAgmeetthequalityrequirementoftheNationalPotableWaterStandrd,ItisindicatedthatACF/AC-Aginthisexperimentwouldbeasafeantibacterialagent.

简介：Theadsorptionisothermsoffouractivatedcarbons(NoritRB1,ChemvironBPL,Monolit,andAmbersorb-572)havebeenexaminedbynitrogenadsorptionat77.5K.Amethodforadsorptionpotentialdistributioncalculationhasbeenproposedbasedontheadsorptionisotherms.ThisdistributionprovidesinformationaboutpossiblechangesintheGibbsfreeenergycausedbytheenergeticandgeometricalheterogeneitiesofanactivatedcarbonaswellasbytheadsorbate-relatedentropiceffects.Thegeneralcharacteroftheadsorptionpotentialdistributionisclearlyvisiblebyitssimplerelationtothemicroporeandmesoporedistribution.

简介：IntroductionTungsten-copperalloypowdersareusedinmanyfieldsonaccountofthehighelectricandthermalconductivitiesofcopperandhighmeltingpointoftungsten.W-Cupowders,aspreparedconventionallybymeansofinfiltration,hasthedisadvantageofinhomogeneityinmicrostructure,andaredifficulttoworkwithaftersintering.

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