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简介：Newmetal-freeorganicdyesensitizerscontainingmono-triphenylamineorbis-triphenylamineastheelectrondonor,athiopheneastheπ-conjugatedsystem,andacyanoacrylicacidmoietyastheelectronacceptorweresynthesized.Theopticalandelectrochemicalpropertiesofthedyeswereinvestigated,andtheirperformanceassensitizersinsolarcellswasevaluated.Dye-sensitizedsolarcellsbasedondyecontainingbis-triphenylamineastheelectrondonorproducedaphoton-to-currentconversionefficiencyof6.06%(Jsc=14.21mA/cm~2,Voc=0.62V,ff=0.69)under100mW/cm~2simulatedAM1.5Gsolarirradiation(100mW/cm~2).

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简介：InthispaperwehighlightstrategiesandchoicesthatmaketheDφDataHandlingsystemmarkedlydifferentfrommanyotherexperiments'systems,WeemphasizehowfartheDφsystemhascomeininnovatingandimplementingaDφ-specificDataGridsystem.Wediscussexperiencesduringthefirstmonthsofdetectorcommissioningandgivesomefutureplansforthesystem.

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简介：SAMisanetwork-distributeddatamanagementsystemdevelopedatFermilabforusewithRunIIdata,ItisbeingEmployedbytheD0Experimenttostore,manage,deliver,andtrackprocessingofalldata.Wedescribethedesignandfeaturesofthesystemincludingresourcemanagementanddatatransfermechanisms,WeshowtheoperationalexperienceD0hasaccumulatedtodateincludingdataacquisitionprocessing,andalllevelsofaccessanddelivery.Wepresentvariousconfigurationsofthesystemanddescribetheiruseinthecollaboration.

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简介：The2Dplanegasflowunderheating(withnonentityboundarycondition)hasbeendiscussedbytheanalyticalapproachinthispaper.Theapproximateanalyticalsolutionshavebeenobtainedfortheflowpassingvariouskindsofheatsources.Solutionsdemonstratethethermaldisplacementphenomenaarestronglydependontheheatingintensity.

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简介：Cavitationisoneofthetroublesomeproblemsinrocketturbopumps,andsincemostofhigh-efficiencyrocketpropellantsarecryogenicfluids,socalled'thermodynamiceffect'becomesmoreevidentthaninwater.Inthepresentstudy.numericalandexperimentalstudyofliquidnitrogencavitationin2DLavalnozzlewascarriedout,sothattheinfluenceofthermodynamiceffectwasexamined.Itwasrevealedthattemperatureandcavitationhavestronginter-relationshipwitheachotherinthermo-sensitivecryogenicfluids.

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简介：WereportonthefirstoperationsofthereconstructionfarmsfortheD0experiment.Datawerereadfromataperobotto50PC'srunningLinux,processed,spooledtoacentraldiskbufferformergingandthenwrittenbacktothetaperobot.Thefarmsarebeingusedsuccessfullytoreconstructthedataasitcomesin.Transferrateswelloverthe12.5MB/secneededforfulldatarateshavebeenachieved.

简介：Oneofthekeycomponentsofanygridarchitectureismanagingcomputeandstorageresourcesandoptimizingtheirutilization.SAMhasimplementedfeaturesthatallowittoexercisea"fairshare"and"prioritized"policyamongmanygroupsofusers.Thegoalsareasfollows:1)implementthexperimentspoliciesforresourceusagebyresearchgroupandbydataaccessmode,and2)optimizetheresourceusagetomaximizetheoverallthroughputdefinedintermsofrealdataprocessingactivity,AtthelowestlevelofSAMarchitecture,calledthestation,theSAMsystemintegratesthedatadeliveryandcachemanagementwiththejobcontrolandschedulingofthebatchsystem.Atthesite-level,forexampleatFermilab,requestsfordatafromon-sitestationsaremanagedtooptimizeMassStorageSystemresourcesandnetworkthroughput,Managementofresourcesatavariousgeographiclevelsarediscussed.

简介：AKondomodelinasquaretight-bondinglatticeofconductionelectronsisconsidered.TheKondointeractiontakesad-wave.Usingmean-fieldtheoryandnumericalsimulations,itisfoundthatthereisapseudo-gapfortheimpuritydensityofstatesattheFermilevel.Numericalresultsalsoshowthattheexponentsofthelowtemperaturethermodynamicquantitiesarenon-universalbutdependentontheinteraction.

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简介：Thevariationalprinciplesfor1-Dunsteadycompressibleflowinadeformingtubederivedinapreviouspaper^[1]areimprovedessentiallybyreconstructingtheinitial/final-integraltermsaccordingtoanewmethodsuggestedinarecentpaper[2],Asaresult,theinherentshortcomingofvariationalprinciplesofbeingunabletoadmitphysicallyrationalinitial/final-valueconditionsininitial/boundary-valueproblemsissuccessfullyeliminated.Thus,anewtheoreticalbasisforthetime-spacefinite-elementanalysisisprovided.