简介：TP333.42002053608超高密度信息存储/分子存储及其存储机理=Ultrahighdensitydatastorageandmolecularrecording[刊,中]/高鸿钧,时东霞,张昊旭,林晓(中科院物理所凝聚态物理中心.北京(100080))//物理.—2001,30(8).—453-455在有机功能纳米薄膜上通过扫描隧道显微技术实现了超高密度的信息存储。实验与理论计算的结果表明,其存储机理是薄膜的导电性质的变化。图3参10(李瑞

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简介：TP333.42002010377DVD光学头读出物镜设计=Designofpick-upob-jectivelensesforDVD[刊,中]/郭培基,余景池,樊仲维(中科院长春光机所应用光学国家重点实验室.吉林,长春(130022))∥光电子·激光.—2001,12(1).—4-6

简介：TP333.42002021250准线性区光盘聚焦自动预搜索机制的研究=Investi-gationonautomaticsearchmechanisminquasi-linear-regionforopticaldiskfocusing[刊,中]/蔡忠平,徐端颐,潘龙法(清华大学光盘国家工程研究中心.北京(100084))∥光电工程.—2001,28(1).—16-18,26

简介：TP333.42000031824光盘光学系统标量衍射理论的有效性分析=Validityanalysisofscalardiffractiontheoryinopticalsystemofopticaldisk[刊,中]/成先富,贾惠波,徐端颐(清华大学精密仪器与机械学系,光盘国家工程研究中心.北京(100084))//清华大学学报.自然科学版.—1999,39(8).—53-55,59分析了标量衍射理论的能量计算误差,用耦合波理论分析了入射波偏振态的影响。计算表明TM波和TE波的衍射特性与标量理论的结论相差极大,TM波和TE波的衍射行为也有差别。图3参6(李瑞琴)

简介：TP333.498963677光盘信息处理的理论分析=Theoreticalanalysisonopticaldiscinformationprocessing[会,中]/宋贵才,李雄,陈亚孚(长春光机学院.吉林,长春(130022))//全国第八次光纤通信暨第九届集成光学学术会议.—湖北武汉,97.10

简介：Westudythegeneralrepresentationsofpositivepartialtranspose(PPT)statesinCKCMCN.ForthePPTstateswithrank-Nacanonicalformisobtained,fromwhichasufficientseparabilityconditionispresented.

简介：TQ5942005053594电子俘获光存储材料的最新研究进展=Thelatestdevel-opmentofelectrontrappingmaterials[刊,中]／王欣姿(北京交通大学光电子技术研究所．北京(100044)),王永生…∥光电子技术与信息．-2005,18(2)．-6-10分类介绍了近年来几种典型的电子俘获材料在发光机理和应用方面的最新进展,尤其重点介绍了新兴的玻璃陶瓷型电子俘获材料的研究工作情况。图2参20(严寒)

简介：O4382005021197FDTD方法对固体浸没透镜的光场分析=AnalysisoftheopticalfieldofsolidimmersionlensbyFDTD[刊,中]／张东玲(河南大学物理与信息光电子学院．河南,开封(475001)),白永林…//光子学报．-2004,33(7).-884-888采用二维时域有限差分(2D-FDTD)方法研究了高斯光束通过固体浸没透镜(SIL)的光场分布特性。模拟结果

简介：本文提出了用光纤实现资料存储的方法,特点是操作简单,易于实现.

简介：研究了不同风速下激光辐照C/C复合材料的氧化速率,利用温度场计算结果,结合氧气在空气中的传质速率,计算了激光辐照下C/C复合材料氧化放热.结果表明,在亚音速的风速下,氧化对C/C复合材料烧蚀的贡献很小,因此,作为激光防护材料,可以忽略C/C复合材料在激光辐照期间的氧化烧蚀.

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简介：Anenvironmentallyfriendlyprecursor,adenosine,hasbeenusedasadualsourceofCandNtosynthesizenitrogen-dopedcarboncatalystwith/withoutFe.Ahydrothermalcarbonizationmethodhasbeenusedandwateristhecarbonizationmedia.Themorphologyofsampleswith/withoutFecomponenthasbeencomparedbyHRTEM,andtheresultshowsthatFecanpromotethegraphitizationofcarbon.Furtherelectro-chemicaltestshowsthattheoxygenreductionreaction(ORR)catalyticactivityofFe-containingsample(C–FeN)ismuchhigherthanthatoftheFe-freesample(C–N).Additionally,theintermediatesofC–FeNformedduringeachsyntheticprocedurehavebeenthoroughlycharacterizedbymultiplemethods,andthefunctionofeachprocedurehasbeendiscussed.TheC–FeNsampleexhibitshighelectro-catalyticstabilityandsuperiorelectro-catalyticactivitytowardORRinalkalinemedia,withitshalf-wavepotential20mVlowerthanthatofcommercialPt/C(40wt%).Itisfurtherincorporatedintoalkalinepolymerelectrolytefuelcell(APEFC)asthecathodematerialandledtoapowerdensityof100mW/cm~2.

简介：Themainworkoftheirradiationtechniquegroupfocusesonthefollowingtwoaspectsin2016:1.TechniquesupportWehavehadabout772.5hbeamtimefor39roundsofsingleeventeffect(SEE)tests,whichiscooperatingwithvariousinstitutes,universities,andcompanies.Thetestsarethebasicsafeguardforthespacecraftandsatellite.InordertoguaranteethetestefficiencyoftheTerminal5,themaintenanceandimprovementforthevacuum,thesampletransferandbeammonitorsystemhavebeenachieved.

简介：Ｂｉｎａｒｙ　Ｒｅａｃｔｉｏｎ　Ｍｅｃｈａｎｉｓｍ　ｏｆ　２８Ｓｉ＋２４Ｍｇ　ａｔ　１５６．３　ＭｅＶＢｉｎａｒｙＲｅａｃｔｉｏｎＭｅｃｈａｎｉｓｍｏｆ２８Ｓｉ＋２４Ｍｇａｔ１５６．３ＭｅＶ￥ＷａｎｇＳｈｕｆａｎｇ；ＪｉｎＧｅｎｍ...

简介：Variousagriculturalcropresiduesincludingcornstover,corncob,andsorghumstalkwithamoisturecontentof75wt%weresubjectedtoalongpretreatment(12-60h)withsupercriticalCO2(scCO2),atlowtemperature(50-80℃)andapressureof17.5-25.0Mpa.Thesugaryieldsfromtheenzymatichydrolysis(EH)ofthepretreatedsampleswereasmuchasthree-tofourfoldgreaterthanthoseaffordedbytherawmaterials.However,whenpretreatmentwasconductedwithinashorttime(e.g.0.5h),aspreviouslyreportedintheliterature,onlyaslightincreaseintheEHsugaryieldswasobserved.TheproposedscCO2pretreatmentmechanismdemonstratedtheroleofmoistureinthesystem.Wetting,softening,andswellingwereobservedtomainlyaffectthelignocellulosewhenasuitableamountofwaterwasadded.Finally,thesampleswereanalysedbyX-raydiffractionandscanningelectronmicroscopy,beforeandafterpretreatment,toinvestigatethechangesinthemicroscopicstructureofthebiomass.

简介：分子的动态模拟被执行在交流上调查事件精力的效果:从C和H的H电影生长原子流动。我们的模拟证明在低事件精力(1eV)的电影生长被H和C原子的吸附统治。在中等事件精力(10和20eV)，有在表面吸附的H原子的事件H原子的抽象反应变得重要。在高事件精力(30和40eV)，交流:H电影生长是一个二拍子的圆舞过程：一个人是吸附和C原子的浅培植，并且其它是H原子的深培植。[从作者抽象]

简介：Anovelgas-phaseelectrocatalyticcellcontainingalow-temperatureprotonexchangemembrane(PEM)wasdevelopedtoelectrochemicallyconvertCO2intoorganiccompounds.TwodifferentCu-basedcathodecatalysts(CuandCu-C)werepreparedbyphysicalvapordepositionmethod(sputtering)andsubsequentlyemployedforthegas-phaseelectroreductionofCO2atdifferenttemperatures(70-90℃).ThepreparedelectrodesCuandCu-CwerecharacterizedbyX-raydiffraction(XRD),X-rayphotoemissionspectroscopy(XPS)andscanningelectronmicroscopy(SEM).Asrevealed,CuispartiallyoxidizedonthesurfaceofthesamplesandtheCuandCu-Ccathodiccatalystswerecomprisedofaporous,continuous,andhomogeneousfilmwithnanocrystallineCuwithagrainsizeof16and8nm,respectively.Theinfluenceoftheappliedcurrentandtemperatureontheelectro-catalyticactivityandselectivityofthesematerialswasinvestigated.Amongthetwoinvestigatedelectrodes,thepureCucatalystfilmshowedthehighestCO2specificelectrocatalyticreductionratesandhigherselectivitytomethanolformationcomparedtotheCu-Celectrode,whichwasattributedtothehigherparticlesizeoftheformerandlowerCuO/Curatio.Theobtainedresultsshowpotentialinterestforthepossibleuseofelectrical「enewableenergyforthetransformationofCO2intovaluableproductsusinglowmetalloadingCubasedelectrodes(0.5mgCucm2)preparedbysputtering.

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简介：Differentinterpretationsareintroducedtodescribetheuprisingoscillatorystructuresof^16O+^24Mgreaction.Thegrossresonantstructurestotheground-andfirst-excitedstateshavebeenstudiedsuccessfullyintermsofboththeDWBAandcoupledchannelcalculations.TheDWBAresultsintroduceareasonabledescriptionoftheangulardistributionsandexcitationfunctiondata.ThecoupledchannelcalculationsprovideabetteragreementwiththeexperimentalforwardandbackwardangledatathantheDWBAcalculations.