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简介：ThedesignerofShangtu,LiuBingzhong,wasamemberofthe"ThinkTankinthePlainofGoldenLtuses"andadevotedBuddhist.

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简介：Theunit5ofHuangdaoPowerPlantwhichwasfinancedandbuiltbyQingdaoGuoxinIndustrialCo.,Ltd.carriedout168-hourtrialoperationonOctober24.Itsloadfactorreachedover98%.Alltheindexesoftrialoperationwereexcellent.Atpresent,theunitisinoperationundertheconditionsoffullprotection,fullautomationandfullload.

简介：Addingdampersisacommonlyadoptedseismicriskmitigationstrategyformodernbuildings,andthecorrespondingdesignprocedureofdampershasbeenwellestablishedbytheChineseBuildingCode.Eventhoughalltypesofdampersaredesignedbythesameprocedure,actualseismicperformanceofthebuildingmaydifferfromonetotheothers.Inthisstudy,anine-storybenchmarksteelbuildingisestablished,andthreedifferentandtypicaltypesofdampersaredesignedaccordingtotheChineseBuildingCodetorealizestructuralvibrationcontrolunderstrongearthquakeexcitation.Theseismicresponseoftheprototypebuildingequippedwithaviscoelasticdamper,viscousdamperandbuckling-restrainedbrace(BRB)subjectedto10earthquakerecordsarecalculated,andIncrementalDynamicAnalysis(IDA)isperformedtodescribeprogressivedamageofthestructureunderincreasingearthquakeintensity.Intheperspectiveoffragility,itshowsthattheviscoelasticdamperhasthehighestcollapsemarginratio(CMR),andtheviscousdamperprovidesthebestdriftcontrol.BoththeBRBandviscoelasticdamperscaneffectivelyreducetheflooraccelerationresponsesinthemid-risebuilding.

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简介：UnreinforcedMasonry(URM)isthemostcommonpartitioningmaterialinframedbuildingsinIndiaandmanyothercountries.Althoughitiswell-knownthatunderlateralloadingthebehaviorandmodesoffailureoftheframebuildingschangesignificantlyduetoinfill-frameinteraction,thegeneraldesignpracticeistotreatinfillsasnonstructuralelementsandtheirstiffness,strengthandinteractionwiththeframeisoftenignored,primarilybecauseofdifficultiesinsimulationandlackofmodelingguidelinesindesigncodes.TheIndianStandard,likemanyothernationalcodes,doesnotprovideexplicitinsightintotheanticipatedperformanceandassociatedvulnerabilityofinfilledframes.ThispaperpresentsananalyticalstudyontheseismicperformanceandfragilityanalysisofIndiancode-designedRCframebuildingswithandwithoutURMinfills.InfillsaremodeledasdiagonalstrutsasperASCE41guidelinesandvariousmodesoffailureareconsidered.HAZUSmethodologyalongwithnonlinearstaticanalysisisusedtocomparetheseismicvulnerabilityofbareandinfilledframes.ThecomparativestudysuggeststhatURMinfillsresultinasignificantincreaseintheseismicvulnerabilityofRCframesandtheireffectneedstobeproperlyincorporatedindesigncodes.

简介：Spallationtargetrepresentsoneofthemostchallengingcomponentsinacceleratordrivensystems(ADS)sinceitisthecomponentcouplingtheacceleratorandthesub-criticalcore.Itissubjectedtobombardmentofintenseprotonbeamandveryhighthermalloadinastrongradiationfield.TheirradiatedLBEtargetposesseverehandlingproblemsforthemaintenancestaffandotherscientistsduetoitsresidualactivity[1].ToassistthedesignofADS,thegeneralradiologicalsafetyaspectsoflead,lead-bismutheutectic(LBE)andtungstenspallationtargetwerestudiedwithMCNPX2.7code[2].Thespallationtargetwasirradiatedbya250MeV,10mAprotonbeamproducedbyalinearprotonaccelerator.Theneutronyield,neutronspectrum,residualproductionandtimeevolutionfortheirradiatedtargetwereanalyzed.

简介：ControllingthesizeoffragraneemicrocapsulesusingdesignedagitatorpaddleswasinvestigatedandstudiedbyCFDsimulation.First,differentfluidflowswereestablishedbyvaryingstirringspeeds,reactorscales,andagitatorpaddledesign,andtheeffectsofeachonparticlesizeanddistributionofpreparedmicrocapsulesweredetermined.Theexperimentalresultsshowedthatthepatterndesignoforificesintheplatepaddlescontroltheflowfieldwell.Narrowparticle-sizedistributionsofthemicrocapsuleswereobtained.Thefluidflowcharacteristicsincludingfluidvelocityfield,turbulentkineticenergyfield,andshearstressdistributionforthedifferentagitatorpaddletypesindifferentreactionkettlesweresimulatedusingCFDtechnology.Thecorrelationsbetweensimulateddataandexperimentalresultswereanalyzed.Significantly,thesimulatedaverageflowvelocitywasfoundtoshowgoodnegativelinearcorrelationw让htheaverageparticlesizeofpreparedmicrocapsules,withacorrelationofy=-2.166x+42.626.

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简介：Smartgrowthhasbeengainingincreasingattentionamongacademiaandpractitionersasanewtechnology-basedsolutiontomeetthecitydiseasechallenges.Intheresearch,wemainlyaccomplishtwotasks.Onebuildsanevaluationsystemtomeasurethesmartgrowthofacity.Andtheotherdevelopsagrowthplan.Firstly,coordinationcoefficient（Cvalue）modelisappliedtomeasurethesmartdegree.Tobeginwith,wedividetheindicatorsintofouraspectswhichinvolvefiveparameters.Then,entropymethodisusedtocalculatetheweightofeveryparameter.Afternormalizingdataofindicators,wesetupasmartgrowthindicatorevaluationsystem.Aimingtoassessingthedetailedperformances,weranktheeightcitiesaccordingtothescoreofCvaluewhichcorrespondstoournormalcognition.Secondly,basedonSalvocombatmodelanddynamictrendanalysismodel,Wedrawupa20-yeargrowthplanwithaperiodof5yearsforthetwocitieswechoose.TheSalvomodelisadoptedtodescribethedynamicprocess.Dynamictrendanalysismodelisintroducedtogaintheoptimumsolutionandtheoptimalpointineverystage.Inaddition,comparedwiththepointofeverystage,wecanobtaintheproportionofinvestmentindifferentstages.Thirdly,toevaluatethesensitivityofourmodelwiththeOFATMethod,weadjusttheparametersk1,k2andOijapproximately.Itcomesoutthatthechangeofk1,k2andOijhasanimpactontheCvalue.Butthesensitivityofk1,k2ishigher.Lastly,weanalyzetheinfluencecausedbypopulationgrowth.Toacertainextent,itcanbeconcludedthattheplanwemadecanalleviatethenegativeimpactofpopulationgrowththroughtheanalysisofthechart.

简介：增强的水泥(RC)框架结构是主要普通的使用的结构的系统之一，并且他们的地震表演被柱和横梁的表演大部分决定。这篇论文描述十列和三个横梁标本的水平周期的装载测试，其中一些根据当前的地震设计代码和其它被设计，根据早非地震的中国设计代码被设计，瞄准报导在Wenchuan地震期间观察的损坏或崩溃的RC框架strctures的行为。轴的负担比率的效果，砍跨度比率，和磁滞现象行为，韧性和损坏进步上的横向、纵的加强比率在试验性的学习被合并。测试结果显示non-seismically设计的列出现早熟砍失败，和收益更大的最大的剩余裂缝宽度和更多水泥spalling与地震联盟者设计列比。另外，纵的钢加强美国南北战争时南军士兵艺术严重地被弄弯。轴的负担比率并且砍证明是当纵的加强比率在柱韧性上有仅仅次要的效果，但是在横梁韧性上展出了更多的影响时，影响韧性，裂缝开始宽度和关门能力的最重要的因素的跨度比率。最后，横向的加强比率没影响最大的剩余裂缝宽度，地震联盟者的关门能力设计列。

简介：Two-photonphotopolymerization(TPP)withfemtosecondlaserisapromisingmethodtofabricatethree-dimensional(3D)photoniccrystals(PCs).BasedontheTPPprinciple,themicro-fabricationsystemhasbeenbuilt.The3DwoodpilePCswithrodspaceof2000nmarefabricatedeasilyanddifferentdefectsareintroducedinordertoformthecross-waveguideandthemicro-laserstructurePCs.Simulationresultsoftheopticalfieldintensitydistributionsusingfinite-differencetimedomain(FDTD)methodaregiven,whichsupportthedesignsandimplementationofthePCoftwotypesintheory.

简介：Thelargeamountofrepeats,especiallyhighcopyrepeats,inthegenomesofhigheranimalsandplantsmakeswholegenomeassembly(WGA)quitedifficult.Inordertosolvethisproblem,wetriedtoidentifyrepeatsandmaskthempriortoassemblyevenatthestageofgenomesurvey.Itisknownthatrepeatsofdifferentcopynumberhavedifferentprobabilitiesofappearanceinshotgundata,sobasedonthisprinciple,weconstructedastatisticalmodelandinferredcriteriaformathematicallydefinedrepeats(MDRs)atdifferentshotguncoverages.Accordingtothesecriteria,wedevelopedsoftwareMDRmaskertoidentifyandmaskMDRsinshotgundata.Withrepeatsmaskedpriortoassembly,thespeedofassemblywasincreasedwithlowererrorprobability.Inaddition,clone-insertsizeaffectstheaccuracyofrepeatassemblyandscaffoldconstruction.Wealsodesignedlengthdistributionofclone-insertsusingourmodel.Inoursimulatedgenomesofhumanandrice,thelengthdistributionofrepeatsisdifferent,sotheiroptimallengthdistributionsofclone-insertswerenotthesame.Thuswithoptimallengthdistributionofclone-inserts,agivengenomecouldbeassembledbetteratlowercoverage.

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简介：Asahighspecificspeedpump,thecontra-rotatingaxialflowpumpdistinguishesitselfinarearrotorrotatingintheoppositedirectionofthefrontrotor,whichremarkablycontributestotheenergyconversion,thereductionofthepumpsize,betterhydraulicandcavitationperformances.However,withtworotorsrotatingreversely,thesignificantinteractionbetweenbladerowswasobservedinourprototypecontra-rotatingrotors,whichhighlyaffectedthepumpperformancecomparedwiththeconventionalaxialflowpumps.Consequently,anewtypeofrearrotorwasdesignedbytherotationalspeedoptimizationmethodologywithsomeadditionalconsiderations,aimingatbettercavitationperformance,thereductionofbladerowsinteractionandthesecondaryflowsuppression.Thenewrearrotorshowedasatisfactoryperformanceatthedesignflowratebutanunfavorablepositiveslopeofthehead-flowratecurveinthepartialflowraterangelessthan40%ofthedesignflowrate,whichshouldbeavoidedforthereliabilityofpump-pipesystems.Inthepresentresearch,tounderstandtheinternalflowfieldofnewrearrotoranditsrelationtotheperformancesatthepartialflowrates,thevelocitydistributionsattheinletsandoutletsoftherotorsarefirstlyinvestigated.Then,theboundarylayerflowsonrotorsurfaces,whichclearlyreflectthesecondaryflowinsidetherotors,areanalyzedthroughthelimitingstreamlineobservationsusingthemulti-coloroil-filmmethod.Finally,theunsteadynumericalsimulationsarecarriedouttounderstandthecomplicatedinternalflowstructuresintherotors.