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IntroductionThesol gelprocessprovidesaversatilemethodforthefabricationofinorganicandinorganic organichybridmaterialsviathehydrolysisandcondensationofsuitablemetalalkoxides .1 3Thesematerialspossessnotablead vantagesoverotherinorganic organicmaterialsfort… 相似文献
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Traditionally ,thehydrothermalsynthesisofti taniumsilicalite 1 (TS 1 )needsalargeamountoftetrapropylammoniumhydroxide (TPAOH)asatemplate ( n(TPAOH) n(SiO2 ) =0 4~ 1 0 ) ,andthecrystallizationtimetakes 10~ 30d[1] .Recently ,muchattentionhasbeenpaidtothemodificationofsynthesi… 相似文献
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利用激光喇曼装置进行毛细管电泳—激光诱导荧光实验 总被引:4,自引:0,他引:4
细管电泳(electrophoresis,CE)是一种高效、快速的新型分析方法,尤其适合于肽、蛋白质及核苷酸等生理活性大分子的分离。CE通常以内径小于100μm弹性石英管为分离通道,受光程和进样量的限制,常用的紫外吸收检测无法满足低浓度物质检测的需求... 相似文献
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Inorganicceramicmembranehasbeenattractedmoreandmoreattentioninthefieldofmembranescienceandtechnologyduetoitsuniquethermal,chemicalandbiologicalstability.Inthelastdecade,alargenumberofpaperswerepublishedonthepreparationandapplicationofceramicmembranes[1,… 相似文献
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Inrecentyears,thestudyontheconversionandapplicationofsolarenergyhasbeenoneofthemostactiveaspectsinthefieldsofnewenergeticsourcedevelopment,thefabricationofnovelsolarenergycellsbecomesthegoalofpeople’sefforts.Inorganicsemiconductivesolarenergycellshave… 相似文献
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AScopeStudyofCondensationof1,3-DiketoneswithDiethylAcetonedicarboxylateZHONGZhen-qi,TANGHui-tong,ZHANGPang(DepartmentofChemis... 相似文献
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Livingionicpolymerizationusuallyinvolvesseveralcoexistingspeciesofdifferentreactivities,suchascontactionpairs,solventseparatedionpairsandfreeanions,whichareindynamiceqillibria.Thereactionschemereads[1,2]asscheme1.P-i,M+i+nS ks kc P-i,Sn,M+t kd ka P-i+M+i,Sn+Mk… 相似文献
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ChemicalModificationofEVAforDrugReleaseApplicationHUYun-huaandZHUORen-xi(DeparrmentofChemistry,WuhanUniuersity,Wuhan,430072)(... 相似文献
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IntroductionPodophyllotoxin (1)isawellknownnaturalproductendowedwithpotentantineoplasticactivity .1Thesynthe sisandpreparationofdifferenttypesofderivativesofthismoleculehavebeenattractingmuchinterestofbothorgan icchemistsandmedicinalchemists .2 Inthispaper … 相似文献
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IntroductionMicrosomalcytochromeb5(Cytb5)isamemberofcytochromeb5family ,anditservesasanelectroncarrierinaseriesofelectron transferprocessesinbiologicalsys tems .1 3 Cytb5isamembraneproteinwithMr~ 16kDa ,consistingoftwodomains ,onehydrophobicdomainwhichanchorsth… 相似文献
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LI Min ** LUCKHURST Geoffrey R. TIMIMI Bakir A. QIU Hong Jin CHEN Xin fang 《高等学校化学研究》2001,17(1):108-114
Theuniquepropertyoftheazobenzenegroupisitscis transisomerizationcausedbybeingirradiatedwithappropriateUVlight(suchas 356nmwhichdependsontheUV Visibleab sorptionofthecompound)andthusmonomericorpolymericliquidcrystalscontainingazoben zenegroupsshow promisef… 相似文献
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BothUVVisspectrophotometryandfluorometryareimportantandeffectivemethodsofspectrometry[1,2].Theyhavebeenplayinganimportantroleinthestudyonthesequenceofbiologicalmolecules,analysisofbiologicalmolecules,andbiologicalmedicineanalysis.Ingeneral,thesensitivityo… 相似文献
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Z. L. Zhang H. S. Hong J. L. Zhou ** M. H. Dai K. Maskaouib W. Q. Chen . Department of Environmental Science Engineering Tsinghua POPs Research Centre Tsinghua University Beijing China . Key Laborator 《高等学校化学研究》2002,(2)
IntroductionManyorganochlorinepesticideswereusedonaglobalscalefromthe 195 0stothemid 80s .Becauseoftheirstabilityand persistenceintheenvironment,theyarefrequentlyreferredtoasthepersistentorgan icpollutants(POPs) [1] .Thesechemicalsarebioaccu mulativeinnature ,ca… 相似文献
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IntroductionMicellarelectrokineticchromatography (MEKC)wasinventedtoextendtheutilityofcapillaryelectrophoresis(CE)andpermittedtheseparationandanalysisofneutralcompounds .ButjustlikeothermodesofCE ,MEKCarehamperedbythelowconcentrationsensitivityoftheultra … 相似文献
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Thalliumisatoxicmetal.Becauseitsconcentrationinenvironmentalandbiologicalsam plesisinthe 1ng/grangeorless[1] ,itisdifficulttodeterminethemetalbyusingconventionalelectroanalysismethods .Differentialpulseanodicstrippingvoltammetry(DPASV )isasensitivemethodfor… 相似文献