简介：Theabilitytomove10sofTeraBytesinreasonableamountsoftimearecriticaltomanyoftheHighEnergyPhysicsapplications.Thispaperexaminestheissuesofhighperformance,highreliabilitytapestoragesystems,andpresentstheresultsofa2-yearASCIPathForwardprogramtobeabletoreliablymove1GB/stoanarchivethatcanlast20years.Thispaperwillcovertherequirements.approach,hardware,applicationsoftware,interfacedescriptions,performance,measuredreliabilityandpredictedreliability.Thispaperwillalsotouchonfuturedirectionsforthisresearch.Thecurrentresearchallowssystemstosustain80MB/sofuncompressabledataperFibreChannelinterfacewhichisstripedoutto8ormoredrives.Thislookstotheapplicationasasingletapedrivefrombothmoutanddatatransferperspectives.Striping12RAITsystemstogetherwillprovidenearly1GB/stotape.Thereliabilityisprovidedbyamethodofaddingparitytapestothedatastripes.Forexample,adding2paritytapestoan8-stripegroupwillallowany2ofthe10tapestobelostordamagedwithoutlossofinformation.ThereliabilityofRAITwith8stripesand2paritiesexceedsthatofmirroredtapeswhileRAITuses10tapesinsteadofthe16tapesthatamirrorwouldrequire.TheresultsofthispaperistobeabloetounderstandtheapplicabilityofRAITandtobeabletounderstandwhenitmaybeusefulinHighEnergyPhysicsapplications.

简介：ThispaperintroducesthedefinitionoftheOrthogonalTypeNodeConfigurationanddiscussesthecorrespondingmultivariateLagrange,HermiteandBirkhoffinterpolationproblemsinhighdimensionalspaceRs(s＞2).ThisnodeconfigurationcanbeconsideredtobeakindofextensionoftheCrossTypeNodeConfiguration[1],[2]inR2tohighdimensionalspaces.AndtheMixedTypeNodeConfigurationinRs(s＞2)isalsodiscussedinthispaperinanexample.

简介：Thereisawidespreadinterestinleadtelluride(PbTe)asagoodthermoelectricmaterial.WereportthetemperaturedependenceofthermopowerS(T)andresistanceR(T)forPbTeatthedifferentpressuresoffrom1.8GPato5GPaobtainedbyusingthecubicanvilhighpressureapparatus.Withincreasingpressure,R(T)andS(T)decrease.TheeffectofpressureonR(T)islargerthanthatonS(T).Thepowerfactorthatisdeterminedbythermopowerandresistivityincreaseswithincreasingpressure.Thismethodisanefficienttoolforsynthesizinggoodthermoelectricmaterialsathighpressureandhightemperature.

简介：Thispaperpresentsaflexibleandhighspeeddigitalscanconverter(DSC)withtheabilitytohandlehighfrequencyultrasoundimaginginreal-time.Thecharacteristicsinimagingsystemsuchasfocuslengthoftransducer,theswingradiusandsamplinglengthetc.couldbechangedeasilyincompliancewiththeresearcher'sapplicationbasedonthisflexibledigitalscanconverter.Linearinterpolationisemployedtoachievethecoordinatetransformationsalgorithm.Custom-builtsoftwareisprogrammedtopreliminarilyhandlethealgorithmaccordingtodifferentultrasoundimagingapplications.HighperformanceFPGAwillimplementhighspeedinterpolationcalculationbasedonthepreliminarydatawhicharestoredintheDDR2SDRAMfromthesoftware.64bit66MHzPCIisemployedtoaccomplishhighspeeddatatransmission.Experimenthasshownthatmorethan500frameratecouldbeachievedbasedonthishighspeeddigitalscanconverter.ThedesignedflexibleandhighspeeddigitalscanconvertercouldbeusedincurrentFPGAbasedhighfrequencyultrasoundimagingsystem.

简介：Propagationpropertiesofhigh-powerfiberlaserwithhigh-order-mode(HOM)contentarestudiednumericallyforthefirsttimetothebestofourknowledge.TheeffectofHOMonthepropagationpropertyisevaluatedbythepowerinthebucket(PIB)metric.ItisshownthatPIBismainlydependentonHOMcontentratherthantherelativephasebetweenthefundamentalmodeandHOM.ThePIBinvacuumismorethan80%whenthepowerfractionoftheHOMiscontrolledtobelessthan50%at5km.Therelativephasehasanimpactonthepeakintensitypositionandconcentrationofthefar-fieldintensitydistribution.Ifanadaptiveopticssystemisusedtocorrectthepeakintensitydeviation,theresultsindicatethatthereexistsamaximalvalueofPIBasrelativephaseincreases.Sucheffectisweakenedwhenpropagatinginturbulence.ComparedtothelaserbeamswithoutHOM,laserbeamswithHOMcontentarelessinfluencedbytheturbulenceandcanreduceaverageintensityfluctuation.Theresultsmaybeusefulinthedesignofahigh-powerfiberlasersystem.

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简介：Anovellowpowerandlowvoltagecurrentmirrorwithaverylowcurrentcopyerrorispresentedandtheprincipleofitsoperationisdiscussed.Inthiscircuit,thegainboostingregulatedcascodeschemeisusedtoimprovetheoutputresistance,whileusinginverterasanamplifier.ThesimulationresultswithHSPICEinTSMC0.18umCMOStechnologyaregiven,whichverifythehighperformanceoftheproposedstructure.Simulationresultsshowaninputresistanceof0.014Ωandanoutputresistanceof3GΩ.Thecurrentcopyerrorisfavorableaslowas0.002%togetherwithaninput(theminimuminputvoltageofvin,min~0.24V)andanoutput(theminimumoutputvoltageofvout,min~0.16V)complianceswhileworkingwiththe1Vpowersupplyandthe50uAinputcurrent.Thecurrentcopyerrorisnearzeroattheinputcurrentof27uA.Itconsumesonly76uWandintroducesaverylowoutputoffsetcurrentof50pA.

简介：Activatedcarbon(AC)wasfabricatedfromcorncob,whichischeapandabundant.Experimentalparameterssuchasparticlesizeofcorncob,KOH/charweightratio,andactivationtemperatureandtimewereoptimizedtogenerateAC,whichshowshighmethanesorptioncapacity.AChashighspecificsurfacearea(3227m2/g),withporevolumeandporesizedistributionequalto1.829cm3/gandca.1.7-2.2nm,respectively.Undertheconditionof2℃andlessthan7.8MPa,methanesorptioninthepresenceofwater(Rw=1.4)wasashighas43.7wt%methaneperunitmassofdryAC.Theresultissignificantlyhigherthanthoseofcoconut-derivedAC(32wt%)andorderedmesoporouscarbon(41.2wt%,Rw=4.07)underthesamecondition.ThephysicalpropertiesandamorphouschaoticstructureofACwerecharacterizedbyN2adsorptionisotherms,XRD,SEMandHRTEM.Hence,thecorncob-derivedACcanbeconsideredasacompetitivemethane-storagematerialforvehicles,whicharerunbynaturalgas.

简介：对数的反应互补金属氧化物半导体(互补金属氧化物半导体)图象传感器提供一个宽动态范围，但是它的缺点是简单固定模式噪音(FPN)的缺乏取消计划。设计与高有活力的范围和高输出秋千是一个新奇对数的活跃象素传感器(APS)。第一，混合模型APS的操作原则被介绍。象素能由选择合适的控制信号在三个操作模式工作。然后，对数的APS的FPN来源被分析，并且双sampled技术被实现减少FPN。根据模拟结果，最后，布局被设计并且过去了设计统治支票(DRC)，电子规则检查(ERC)和布局对图解(LVS)确认，和模拟以后的结果是基本上与模拟结果一致。新对数的APS的动态范围能到达大约140dB；并且产量秋千是大约750mV。结果证明由使用两倍取样的技术，大多数FPN被消除，动态范围被提高。

简介：Byusinganine-levelatmosphericgeneralcirculationmodeldevelopedattheInstituteofAtmosphericPhysics(IAP9LAGCM),twosetsofnumericalexperimentsarecarriedouttoinvestigatetheinfluenceoftheMascarenehigh(MH)andAustralianhigh(AH)overthesouthernsubtropicsupontheEastAsiansummermonsooncirculationandsummerprecipitationinEastAsia.Theuseofensemblestatisticsisadoptedtoreducethesimulationerrors.TheresultshowsthatwiththeintensificationofMH,theSomalilow-leveljetissignificantlyenhancedtogetherwiththesummermonsooncirculationinthetropicalAsiaandwesternPacificregion.Furthermore,theanticyclonicanomalyinthetropicalwesternPacifictotheeastofthePhilippinesmayinduceaweakEast-Asia-Pacificteleconnectionpattern.Inthemeantime,geopotentialheightintheTropicsisenhancedwhileitisreducedovermostregionsofmid-highlatitudes,thusthenorthwesternPacificsubtropicalhighat500hPaextendssouthwestward,resultinginmorerainfallinsouthernChinaandlessrainfallinnorthernChina.AsimilaranomalypatternoftheatmosphericcirculationsystemsisfoundintheexperimentoftheintensificationofAH.Ontheotherhand,becausethecross-equatorialcurrentsassociatedwithAHaremuchweakerthantheSomalijet,theanomalymagnitudecausedbytiheintensificationofAHisgenerallyweak,andtheinfluenceofAHonsummerrainfallinChinaseemstobelocalizedinsouthernChina.ComparisonbetweenthetwosetsofexperimentsindicatesthatMHplaysacrucialroleintheinteractionsofgeneralatmosphericcirculationbetweenthetwohemispheres.

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简介：High-frequencyimagetechniquehasbeenwidelyappliedinmedicaldiagnosisrecently.Forhighvoltageprotection,highspeedstageandtriggercontrolcircuitryaredifficulttoimplementahigh-frequencyultrasoundimagingsystem.Inthisstudy,weutilizedalinearservowithhighnoisetoleranceandanovelmulti-depthexpressionmethodtoovercomethoseissuesindevelopedhigh-speedimagesystem.B-modeimageofthechickenphantomby25MHztransducershowstheresolutionoflateralandaxialresolutionsareupto123μmand59μmrespectively.Inaddition,theexperimentdemonstratesthattheaxialresolutionanddepthoffield(DOF)canbeimprovedbytimegaincompensation(TGC)andmulti-depthmethod.Theresultsindicatethattheproposedsystemcouldachieveover24fpsfor1mmscandistanceand100linesperframe.Inthefuture,thedevelopedsystemispotentialforotherclinicalapplicationssuchasophthalmologyanddermatology.

简介：<正>Nowtheminingofhighsaltundergroundbrinehasbeenanimportantaspectofsaltlakemining,whichisthenecessarysupporttothedevelopmentofnationaleconomy.Withthechangeofundergroundgeological

简介：orthotropic与为平凡高度的温度参数的组成的关系--力量在biaxial压缩下面的高效的水泥(HSHPC)被开发。它基于为包括伪=蟽2在7不同压力比率在HSHPC的二个力量层次描绘力量和变丑行为执行的实验：蟽3=0.00：?1，?0.20：?1，?0.30：?1，?0.40：?1，?0.50：?1，?0.75：?1，?1.00：?1在到20，200，300，400，500和600掳C的正常、高的温度的暴露以后，并且用一台大静电干扰动态的真triaxial机器。biaxial测试在100公里脳上被执行100公里脳100公里立方的标本，和减少磨擦的垫被使用为压缩装载飞机与甘油中立者由塑料膜的三层组成。基于试验性的结果，HSHPC标本的失败模式被描述。主要静态的压缩力量，在山峰应力的紧张和压力紧张曲线被测量；并且他们上的温度和压力比率的inuence也被分析。试验性的结果证明在到高温度的暴露以后的平凡HSHPC的单轴的压缩力量不随温度的增加戏剧性地减少。到它的单轴的压缩力量的biaxial的比率在暴露以后取决于压力比率和HSHPC的易碎物僵硬到不同温度层次。从理论模型和试验性的数据获得的压力紧张结果的比较显示好同意。

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简介：还 有一项活动有的学校只有毕业班学生参加,it is not .This is a daywhen all the seniors skip（注,而有的学校则是毕业班学生和十一年级学生一起参加

简介：我飞越参天的大树。我不是小鸟或飞机。我没有翅膀或羽毛。当然我也不爱下雨。

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简介：1ScopeThisstandardspecifiestheclassification,technicalrequirements,testmethods,qualityappraisalprocedure,packing,marking,transportation,storageand