简介：ＴｈｅＥｌｅｃｔｒｏｍａｇｎｅｔｉｃＣｏｍｐａｔｉｂｉｌｉｔｙａｎｄＤｉｓｔｒｉｂｕｔｉｏｎｏｆＡｎｔｅｎｎａＳｙｓｔｅｍ￥Ｂ．ＦＷａｎｇ；Ｓ．Ｚ．ａｄｎｓ＆Ｙ．Ｌ．Ｙａｏ（Ｄｅｐｔ．ｏｆＥｌｅｃｔ．Ｅｎｇ．，ＢｅｉｊｉｎｇＵｎｉｖｅｒｓｉｔｙｏｆＡ...

简介：Polyamide(PA6)andpolycarbonate(PC)werepreparedbyaBrabendermixer(PLV-151)at240℃with30rpmfordurationof8and6minutesrespectively.Theepoxyresin(E)additioncanleadtosubstantialmicrostructuralchangesinthePA6/PCblends.Scanningelectronmicroscope(SEM)wasusedtoobservethemixturescharacterizedbythedomainsofclearlysegregatedhomophasesandvoidsbetweenthetwopolymers.PA6/PCofpolyamide6andpolycarbonatewithepoxyresinadditionunderthecompositionratioof20/80,20/80/1,40/60/1and40/60,weretestedtoverifythekeyroleofepoxyinpromotingthecompatibilityofPA6withPCduringblending.

简介：DuetotheproblemsarisingwhentheTransmissionControlProtocol(TCP)isappliedoverwirelessnetworks,manyTCPperformanceenhancementmechanismshavebeenproposed.However,suchmechanismsaren'tcompatiblewithIPSecprotocol.ThepaperreviewstheTCPperformanceenhancementmechanismsinwirelessnetworks.Thentheconflictsbetweenthemareanalyzed.Severalproposalsforsolvingtheconflictsarediscussed,andtheirbenefitandlimitationsareexamined.

简介：Thecompatibilitybetweendirectcoalliquefactionresidue(DCLR)andfivekindsofpurebitumen(Shell-90,SK-90,ZSY-70,DM-70andKLMY-50)wasevaluatedinthisstudy.Therheologicalcharacteristics,glasstransitiontemperatures(T_g),solubilityparameters(SP)andSARA(saturates,aromatics,resins,andasphaltenes)fractionsofDCLR,fivekindsofpurebitumenandtheirblends(namedasDCLRmodifiedbitumen)weremeasuredusingthedynamicshearrheometer(DSR),differentialscanningcalorimetry(DSC),viscosity,andSARAtests,respectively.AndthecompatibilitybetweenDCLRandpurebitumenwascharacterizedwiththreeapproaches,viz.theCole-Coleplot,T_g,andthesolubilityparameterdifference(SPD)method.Sinceeachmethodhasitsownworkingmechanism,thecompatibilityrankingfortheDCLRandfivekindsofpurebitumenisslightlydifferentaccordingtothethreeapproaches.However,thedifferenceisprettycloseandsometimescanbeignored.Thegeneralcompatibilityrankingdecreasesinthefollowingorder:Shell-90≈SK-90>DM-70≈ZSY-70>KLMY-50,whichisaffectedbytheasphaltenescontentandthecolloidindex(I_c)valueinthepurebitumen.Purebitumenwithlowerasphaltenescontentandcolloidindex(I_c)valuehasbettercompatibilitywithDCLR.

简介：Objective:Tostudycellularcompatibilityofimprovedscaffoldmaterialwithdeproteinizedheterogeneousboneandprovideexperimentalbasisonchoosingthescaffoldmaterialinbonetissueengineering.Methods:Bonemarrowstromalcells(BMSC)wereco-culturedwithheterogeneousdeproteinizedboneinvitro.Thecontrastphasemicroscope,scanningelectronmicroscope,MTTassay,flowcytometrywereperformedandtheBGPcontentandALPactivitiesweredetectedinordertoobservethecellgrowth,adhesioninthematerial,cellcycleandcellviability.Results:Thescaffoldmaterialofdeproteinizedheterogeneousbonehadnoinhibitoryeffectoncellularproliferation,differentiationandsecretionfunctionofBMSCs.Conclusions:TheestablishedheterogeneousdeproteinizedbonehasgoodbiocompatibilitywithBMSCsandisapotentiallyidealscaffoldmaterialforbonetissueengineering.

简介：Poly(ethyleneterephthalate)(dacron,PET)filmswereexposedunderargonplasmaglowdischargewithdifferentglowsandinducedpolymerizationofacrylicacid(AA)inordertointroducecarboxylicacidgroupontoPET(PET-AA)assistedbyultravioletradiation(UV).HirudinimmobilizedPET(PET-HRD)filmswerepreparedbythegraftingofPET-AA,followedbychemicalreactionwithhirudin.ThesurfacestructureofthetreatedPETwasdeterminedbyX-rayphotoelectronspectroscopy(XPS).Thewettability,surfacefreeenergy,andinterfacefreeenergyofthefilmswereinvestigatedbycontactanglemeasurement.Thebloodcompatibilityofthefilmswasassessedbyplatelet-adhesiontestandfibrinogenconformationalchangemeasurementstoevaluatetheviabilityofthematerialsinbiomedicalengineering.Measurementbyscanningelectronmicroscopy(SEM)revealedthattheamountsofadhered,aggregatedandmorphologicallychangedplateletswerereducedonthehirudin-immobilizedPETfilms.Enzyme-linked-immunoassaymeasurementsthatdisclosedfibrinogenconformationalchangesshowedresultsconsistentwiththeplatelets’behavior.

简介：TheapplicationtechnologyusingBaosteelsteelslagpowderasanadmixtureofconcreteisthedevelopmentaldirectionofsteelslagrecyclingtreatmentandutilization,whichfullyreflectsthebasicfeaturesandgoodcompatibilityoftheover-calcinedclinkerofsteelslagresources.Itisbeneficialtofullyexploitthewaterhardeningcharacteristicandpotentialactivityofsteelslag,toreduceandcontroltheunstablefactors,suchasfreecalciumoxideandmagnesiumoxide,andtorealizehighvalue-addedapplicationsandexplorenewapplicationfields.

简介：HeparinwascovalentlyimmobilizedontopolyurethanesurfaceviaaPEGspacerbyamicrowave-assistedapproachtoimprovebloodcompatibility.Firstly,amino-terminatedpoly(ethyleneglycol)(APEG)wasrapidlygraftedontoPUsurfacewithin20minbyatwo-stepmethodinvolvingmicrowave-assistedMDI-functionalizationandsubsequentmicrowave-assistedAPEGcoupling.Then,heparinwascovalentlyimmobilizedthroughanamidelinkagebythedirectcouplingofthecarboxylicacidofheparinwiththeaminogroupofAPEGonPUsurfaceusingcarbodiimidecouplingreaction.ThesurfacestructureandpropertieswerecharacterizedbyX-rayphotoelectronspectroscopy(XPS),atomicforcemicroscopy(AFM)andwatercontactanglemeasurements.Theresultsrevealedthatheparin-immobilizedPUsurfacehadslightlyincreasedroughnessandsignificantlyimprovedhydrophilicityincomparisontotheoriginalPUsurface.Theanticoagulantactivityoffilmswasevaluatedbywholebloodclottingtime(CT)andprothrombintime(PT).Complementactivationwasassessedbydetectingcomplementfragment3aconcentrationsofserumexposedtothefilms.Theresultsrevealedthatthemicrowave-assistedheparin-immobilizedPUfilmshadexcellentantithrombogenicityandsuppressedcomplementactivation,indicatingimprovedbloodcompatibility.

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简介：与优秀biomechanical相容性开发新钛合金是一个重要研究方向外科植入材料。现在的纸总结生物医学的钛合金的国际研究和开发。瞄准增加biomechanical相容性，它也介绍合金设计的探索和改进，机械处理，微观结构和阶段转变，并且以后最后为关于生物医学的钛合金的科学研究构画出方向。

简介：Cross-culturalmanagementisoftenregardedasadisciplineofinternationalmanagementfocusingonculturalencountersbetweentheorganizationandthenation-state,andprovidingtoolstotackleculturaldifl＇erencesseenassourcesofconflict,frictionormisunderstanding.BasedonGreetHofstede＇sCulturalModel,thispaperattemptstoshedsomelightoneffectivecorporationmanagementthroughculturalanalysisofthedifl＇erencesbetweenChinaandwesterncountries.Thepaperputsmoreemphasisontheimpactofculturalcompatibilityoneffectivecorporationman-agementthroughthecasestudyofChina,Japan,GermanyandAmerica.Theauthorarguesthatmanagersandemploy-eesinvolvedincompanieswithdiverseculturalbackgroundsshouldbeintegratedanddevelopedintoaspecificlocalcontextthroughinterlockingtheirculturalidentificationsandtheorganizationalpractices.

简介：Inthiswork,DSCandSEMstudiesindicatethation-ligandinteractioncanbeutilizedtoenhancetheinteractionofpoly(styrene-block-2-vinylpyridine)[P(S-b-2VP)]andpolyethylenebasedionomer(Surlyn).Thecompatibilityforthisblendingsystemcanbeimprovedbythisspecialinteractionand20/80wtistheoptimumblendingcompositionwithgoodcompatibility.FTIRresultsfurthercertifythatstronginteractionsexistintheblendingsystem.

简介：Twograftingmethods,i.e.solutiongraftingandpre-adsorbing,areintroducedtocovalentlyimmobilizehydrophilicpolymersonsegmentedpolyurethane(SPU)tomodifyitshydrophilicityandtoimproveitscellcompatibility.Solutiongraftingresultsinhigherdegreeofgraftingandroughersurfacemorphology.Cellcultureevaluationdemonstratesthatthemodifiedmembranesthusobtainedaredisadvantageoustotheendothelialcell(ECs)growthprobablybecausethehydrophilicgroupsonthesurfaceareover-crowded.However,pre-absorbinggraftinggenerateslowerdegreeofgrafting,whichisdetectedandconfirmedbyATR-FTIRspectraandwatercontactangle.Scanningelectronmicroscopic(SEM)measurementshowsthatthelattermethodproducesaplaneandsmoothmorphology,whichissimilartotheSPUcontrolsamplecontrolled.Whengraftingwithlowermonomerconcentration,ECscouldgrowonSPU-g-PHEA[poly(2-hydroxyethylacrylate)],SPU-g-PAAm(polyacrylamide),SPU-g-PDMA[poly(2-(dimethylamino)ethylmethacrylate)]orquaternizedSPU-g-PDMAsurfacewithelongatedcellshapes.Hence,thecellcompatibilityofSPUisimprovedandausefulmethodtoconstructacellcompatiblelayeronthepolymersurfacehasbeendeveloped.``

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简介：为鸡蛋的控制和甘薯白人的第二个中间形态阶段为24h跟随直接暴露到杀虫药剂Majestik，水花油，Agri-50E，Savona和天王卫四的entomopathogenic真菌Lecanicilliummuscarium的孢子萌芽上的效果飞，Bemisiatabaci，被决定。到Agri-50E和天王卫四的暴露被可接受的孢子萌芽跟随。L的传染性率。一品红叶子上的muscarium也面对杀虫药剂的干燥残余被调查。B的控制的没有重要有害效果onthelevels。tabaci与用于没有残余的叶子的真菌相比被记录。有真菌的化学药品Savona，水花油和Majestik的顺序的申请都生产了第二中间形态B的死亡。超过90%的tabaci。有L的这些化学药品的加入。muscarium进为B的综合防治法节目。tabaci被讨论。