简介：霍尔电场和网充电的产生与联系了磁性重新连接离子在血浆密度和磁场的不同起始的条件下面被学习。与大厅效果的包括，电子和离子运动的去耦沿着separatrix与强壮的电场和大网充电密度导致狭窄的层的形成。越过当前的表的血浆密度或磁场或两个的不对称现象将大部分增加电场和网充电的大小。结果显示磁场的不对称现象在生产更大的电场和费用密度是更有效的。电场和网费用比在高密度或/并且低磁场方面的那些在低密度或/并且高磁场方面总是是大得多的。电场和网费用密度线性地依赖于血浆密度的比率或越过当前的表的磁场的平方。为有磁场和密度的两起始的不对称现象的盒子，大霍尔电场和费用密度被产生。

简介：WeproposeanapplicationoftheelasticneuralnetforringrecognitioninRICHdetectors.Themethodhasbeendevelopedtofindringsdistortedduetomisalignmentofdetectorsandcontaminatedbynoise.ThealgorithmwastestedonsimulateddataofCOMPASSRICH-1detector.Reconstructionefficiencyis99.95%fortripleLEPTOeventstaking5msperevent.

简介：利用ASP．NET语言编制了一个物理实验数据处理系统。该系统界面友好，通过最小二乘法能够自动处理输入的实验数据，拟合出曲线，分析误差，输出曲线图形，适合在实验教学中使用。

简介：Thispaperpresentsaperformanceanalysisofaccessingtagdataclusteredintwodifferentways,namelyevent-wiseclustering(generictag)vs.attribute-wiseclustering(slicedtag).Theresultsshowthatespecially"Prefetch-optimisation"resultsinanadditionalperformancegainofslicedtagsovergenerictagswhenonlyasubsetofallthetagattributesisaccessed.

简介：WithvonMisesyieldcriterion,theloadingrangeofNetSectionCollapse(NSC)Criteriaisextendedfromcombinedtensionandbendingloadingstocombinedbending,torsionandinternalpressureloadings.AnewtheoreticalanalyzingmethodofplasticlimitloadforpressurepipewithincompleteweldingdefectsbasedontheextendedNSCCriteriaispresentedandthecorrelativeformulasarededuced,theinfluencesofpipecurvature,circumferentiallengthanddepthofincompleteweldingdefectsontheplasticlimitloadofpressurepipeareconsideredaswellinthismethod.Meanwhile,accordingtotheorthogonalexperimentaldesignmethod,theplasticlimitloadsarecalculatedbythefiniteelementmethodandcomparedwiththetheoreticalvalues.Theresultsshowthattheexpressionsofplasticlimitloadofpressurepipewithincompleteweldingdefectsunderbending,torsionandinternalpressurebasedonextendedNSCcriteriaarereliable.Thestudyprovidesanimportanttheoreticalbasisfortheestablishmentofsafetyassessmentmeasuretowardspressurepipewithincompleteweldingdefects.

简介：Amode-lockedthulium-dopedfiberlaser(TDFL)basedonnonlinearpolarizationrotation(NPR)withdifferentnetanomalousdispersionisdemonstrated.Whenthecavitydispersionis-1.425ps~2,thenoise-like(NL)pulsewithcoherencespikewidthof406fsandpulseenergyof12.342nJisgeneratedatacenterwavelengthof2003.2nmwith3dBspectralbandwidthof23.20nm.Intheexperimentalperiodof400min,the3dBspectralbandwidthvariation,theoutputpowerfluctuation,andthecentralwavelengthshiftarelessthan0.06nm,0.04dB,and0.4nm,respectively,indicatingthattheNPR-basedTDFLoperatingintheNLregimeholdsgoodlong-termstability.