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287 个结果
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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:X-rayimagingistheconventionalmethodfordiagnosingtheorthopedicconditionofapatient.ComputerizedTomography(CT)scanningisanotherdiagnosticmethodthatprovidespatient’s3Danatomicalinformation.However,bothmethodshavelimitationswhendiagnosingthewholeleg;X-rayimagingdoesnotprovide3Dinformation,andnormalCTscanningcannotbeperformedwithastandingposture.Obtaining3Ddataregardingthewholeleginastandingpostureisclinicallyimportantbecauseitenables3Danalysisintheweightbearingcondition.Basedontheseclinicalneeds,ahardware-basedbi-planeX-rayimagingsystemhasbeendeveloped;itusestwoorthogonalX-rayimages.However,suchmethodshavenotbeenmadeavailableingeneralclinicsbecauseofthehightcost.Therefore,weproposedawidelyadaptivemethodfor2DX-rayimageand3DCTscandata.Bythismethod,itispossibletothreedimensionallyanalyzethewholeleginstandingposture.TheoptimalpositionthatgeneratesthemostsimilarimageisthecapturedX-rayimage.Thealgorithmverifiesthesimilarityusingtheperformanceoftheproposedmethodbysimulation-basedexperiments.Then,weanalyzedtheinternal-externalrotationangleofthefemurusingrealpatientdata.Approximately10.55degreesofinternalrotationswerefoundrelativetothedefinedanterior-posteriordirection.Inthispaper,wepresentausefulregistrationmethodusingtheconventionalX-rayimageand3DCTscandatatoanalyzethewholelegintheweight-bearingcondition.

  • 标签: 2D-3D REGISTRATION 3D analysis X-RAY CT
  • 简介:InthispaperwehighlightstrategiesandchoicesthatmaketheDφDataHandlingsystemmarkedlydifferentfrommanyotherexperiments'systems,WeemphasizehowfartheDφsystemhascomeininnovatingandimplementingaDφ-specificDataGridsystem.Wediscussexperiencesduringthefirstmonthsofdetectorcommissioningandgivesomefutureplansforthesystem.

  • 标签: Dφ实验 数据处理系统 探测器
  • 简介:让G是一个有限的组。让Irr1(G)是G和cd1(G)的非线性的无法缩减的人物的集合在Irr1(G)的人物的度的集合。组G被说如果,是D2-group|cd1(G)|=|Irr1(G)|2。这份报纸的主要目的是分类nonsolvableD2-groups。

  • 标签: 非可解群 有限群 字符集 不可约 非线性 CDL
  • 简介:IntroductionThemostbasicconditionsforfeedbackclosed_loopcontrolofmanipulatorsarethefinestructureandtheefficientreal_timecompu...

  • 标签: ROBOT DYNAMICS GENERALIZED d’Alembert EQUATIONS
  • 简介:如果X是一条弧或一个圆,那么,X上没有广泛的同胚,是众所周知的。在我们证明那的这篇论文,X上没有广泛的Z~d行动,它回答以前我们提出的二个问题。在1979,鬃毛证明在无限的维的空格没有广泛的同胚。与这结果相反,我们在一个无限的维的空格构造广泛的Z~2action。我们也在Z~2在零个维的空格而是没有元素构造一个广泛的Z~2行动是广泛的。

  • 标签: 群论 同拓扑 扩展性 空间特性
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  • 简介:SAMisanetwork-distributeddatamanagementsystemdevelopedatFermilabforusewithRunIIdata,ItisbeingEmployedbytheD0Experimenttostore,manage,deliver,andtrackprocessingofalldata.Wedescribethedesignandfeaturesofthesystemincludingresourcemanagementanddatatransfermechanisms,WeshowtheoperationalexperienceD0hasaccumulatedtodateincludingdataacquisitionprocessing,andalllevelsofaccessanddelivery.Wepresentvariousconfigurationsofthesystemanddescribetheiruseinthecollaboration.

  • 标签: SAM 数据处理系统 D0实验
  • 简介:让n≥2是一个固定积极整数,q≥3并且c是二个整数与(n,q)=(c,q)=1。我们由r表示n(δ1,δ2,c;q)(0<δ1,δ2≤1)都个整数的数字一,b令人满意的ab≡c(现代派的q),1≤≤δ1q,1≤b≤δ2q,(一,q)=(b,q)=1并且n†(+b)。这篇论文的主要目的是学习rn(δ1,δ2,c;q),并且为它给一个锋利的asymptotic公式。

  • 标签: 劳伦斯 正整数 渐近性质 渐近公式 护士
  • 简介:ANINTERSECTIONPROPERTYOFTHESIMPLERANDOMWALKSINZ ̄dZHOUXIANYIN(DepartmentofMathematics,BeijingNormalUniversity100875,China)Abst...

  • 标签: EFFECTIVE resistance SIMPLE RANDOM WALK INTERSECTION