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254 个结果
  • 简介:Weprovideanalyticalsolutionstotheproblemsofacircularbendingofabeaminplanestrainandthetorsionofanon-circularcross-sectionbeam,thebeamsobeyingasecond-gradientelasticitylawproposedbytheauthor,followingaprevioussuggestionofdell'Isolaetal.(2009).Themotivationwastofindbenchmarkanalyticalsolutionsthatcanservetograspthephysicalfoundationsofsecondgradientelasticitylawsforheterogeneousmaterials.TheanalyticalsolutionofthecircularbeamproblempresentstheadditionaladvantagetoestablishsomenicepropertiesontheunknownsecondgradientelasticmoduliintroducedbyEnakoutsa(2014)modelandtheclassicalelasticityconstantsforbothincompressibleandcompressibleheterogeneouselasticmaterials.Aframeworktofindtheelasticmoduliofthenewmodelisalsoproposed.

  • 标签: 梯度材料 广义虎克定律 应用 弹性定律 材料弹性常数 弹性模量
  • 简介:Introduction:TacitusonLawandLuxury'quidenimprimumprohibereetpriscumadmoremrecidereadgrediar?villarumneinfinitaspatia?familiarumnumerumetnationes?argentietauripondus?aeristabularumquemiracula?promiscasvirisetfeminisvestisatqueillafeminarumpropria,

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  • 简介:基于为计算健全向量的有弹性的寓言的方程方法,领域被学习了的方法。水里的向量领域和相应震波地被计算了为在有有弹性的楔底部的海洋的环境下文健全。为健全来源的不同频率和深度的健全领域分发上的效果被研究了,进底部有声能漏的结果表演,漏发生了的位置能被海洋深度的比率决定到波长,作为与正常相比模式理论。

  • 标签: 声场分布 弹性楔 矢量场 分布规律 底部 海洋环境
  • 简介:Theadventoftheinterneterabreedsanewconcept,namely,therighttointernetaccess.Manycountriesandinternationalorganizations,aswellasindividuals,areadvocatingorhavealreadyembodieditasabasichumanright,thusenhancingtheissuesofwhetheritshouldbeincorporatedintothemacrosystemofinternationalhumanrights.Byanalyzingthefacts,thisarticlepointsoutthattheinternationalconceptoftherighttointernetaccessshouldbedistinguishedfromitsdomesticconcept,fortherearenolegalsourcesabouttherighttointernetaccessforguidanceaswithsometreatiesinthecurrentinternationallaw,despiteitscloserelationshipwithsomeexistingrightssuchasthefreedomofspeech,pressandassembly,ortherightofequality,ortherighttodevelopment.Andthereisstillalongtimebeforethelegalvalueandrelatedresponsibilitiesaswellastheboundariesabouttherighttointernetaccessbecomesaconsensusintheinternationalsociety.Eventhoughthereisquiteapossibility,thisrighthasn’tbeenembodiedaspartofinternationalhumanrights,andthushasn’tmadealegalconceptininternationalhumanrightlaw.

  • 标签: INTERNET ACCESS The RIGHT to ACCESS
  • 简介:LetXbead-dimensionalrandomvectorwithunknowndensityfunctionf(z)=f(z1,···,zd),andletfnbetehnearestneighborestimatoroffproposedbyLoftsgaardenandQuesenberry(1965).Inthispaper,weestablishedthelawoftheiteratedlogarithmoffnforgeneralcaseofd≥1,whichgivestheexactpointwisestrongconvergencerateoffn.

  • 标签: ESTIMATOR exact NEIGHBOR LOGARITHM nearest ITERATED
  • 简介:Basedondynamicrupturesimulationsonaplanarfaultinahomogeneoushalf-space,weinvestigatedthenucleationprocessesusingthetime-weakeningfrictionlaw.Boththecharacteristictimeandtherupturespeedinthenucleationasperityplayanimportantroleindeterminingrupturebehaviorsonafaultplanefollowingthetime-weakeningfrictionlaw,withwhichrupturestartsfromasinglepointinthenucleationasperityandpropagatesatagivenspeedtowardtheboundaryofthenucleationarea.Rupturewithasmallcharacteristictimeoralargerupturespeedinthenucleationasperitypropagatesearlierfromthehypocenter.Rupturefollowingtheslipweakeningfrictionlawrequiresasmallerradiusofnucleationpatchtohavesimilarrupturefrontcontoursofthetime-weakeningfrictionlaw.Eveniftherupturevelocityinthenucleationpatchofthetime-weakeningfrictionlawincreasestoinfinity,thepeaksliprateinthenucleationasperityissmallerthanthatoftheslip-weakeninglaw.Thepeakgroundvelocitydistributionsofrupturesfollowingthetwofrictionlawsarealsocompared.

  • 标签: 摩擦定律 利用时间 成核过程 弱化 动态断裂 特征时间
  • 简介:LetKn×nbethesetofalln×nmatricesandKrn×ntheset{A∈Kn×n|rankA=r}onaskewfieldK.Zhuang[1]denotesbyA#thegroupinverseofA∈Kn×nwhichisthesolu-tionoftheeuqations:AXA=A,XAX=X,AX=AX.

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  • 简介:Researchonparticulatecharacteristicshasbeenanimportantfrontierinphysicsandchemistryduringthepastdecades.Ithashoweverbeenmostlyfocusedongranularmaterialswithshort-rangeinteractions.Inthiswork,itwasfoundthatthepowerlawofparticlesizedistributionappliedtothelong-rangeinteractingsystemoffloatingdustinair,fromwhichwededucedthatself-organizedcriticalitymightholdforfloatingdustjustasgranularmaterialswithshort-rangeinteractions.Thisfeaturemayrevealunderlyingkineticmechanisms,importantindispersedparticlesystems.Inindustry,powerlawofsizedistributionofdispersedparticlescanbeusedtoinvestigatethechangeofdustsize,andthepowerlawparametercouldbetakenasanimportantindexfordustseparation.

  • 标签: 能量分布定律 散布粒子 悬浮尘埃 危险程度
  • 简介:I.Overview1.HistoryTheSouthwestUniversityofPoliticalScienceandLawdevel-opedfromtheSouthwestPeople’sRevolutionaryUniversity,whichwasfoundedin1950.BasedontheformeruniversityandthelawdepartmentsofSichuanUniversity,ChongqingUniversity,GuizhouUniversity,YunnanUniversityandChongqingFinanceandEconomicsCollege,theSouthwestCollegeofPoliticalScienceandLawwasestablished.In1978,theStateCouncilgaveitpermissiontoenrollstudents,designatingitanationalkeycollegeoruniversity.In1979,thecollegestartedtoenrollstudentsinpursuitofthemasteroflaw.Thecollegewasamongthefirstgroupofcollegesanduniversitiesinthecountrytooffermaster’sdegreeprograms.In

  • 标签: 四川大学 西南 教育 重庆大学 贵州大学 云南大学
  • 简介:让{Xn,n鈮?0}是一个AR(1)过程。让Q(n)是重新可伸缩的范围统计数值,或R/S统计数值为{Xn}它在这份报纸,我们在哪儿为AR(1)为重新可伸缩的范围统计Q(n)显示出重申的对数的一条法律给模型。关键词重新可伸缩范围统计-重申的对数的法律-AR(1)模型先生(2000)题目分类60F15-第一写作的62G20被NSFC(10071072)和SRFDP(200235090)支持。第二个作者被数学的部门的BK21工程支持,Yonsei大学,在POSTECH的KOSEF1999-2-103-001-5和Com2MaC的学科交差的研究节目

  • 标签: 迭代算法 值域统计 AR(1)模型 时间序列
  • 简介:Thoughpublicforestsincountriestakeupasmallportionofforests,theirimportanceinrespectofenvironmentalsideloomslargegradually.ThispaperstudiesandcomparesthepublicforestmanagementandforestlawsinFranceandtheUSA,attemptingtoexploretheforestoperationpracticeinbothcountriesandtheemphasisofthelawgoverningforestmanagement,sothatalessoncanbedrawnforustolearninChina.

  • 标签: 公共林 林业法 法国 美国
  • 简介:Inthiswork,aSignoriniproblemwithCoulombfrictionintwodimensionalelasticityisconsidered.Basedonanewrepresentationofthederivativeofthedouble-layerpotential,theoriginalproblemisreducedtoasystemofvariationalinequalitiesontheboundaryofthegivendomain.Theexistenceanduniqueessofthissystemareestablishedforasmallfrictionalcoefficient.Theboundaryelementapproximationofthissystemispresentedandanerrorestimateisgiven.

  • 标签: ELASTICITY frictional VARIATIONAL derivative COULOMB estimates
  • 简介:<正>InOctober2014,theFourthPlenumofthe18thCPCCentralCommitteeputforwardthegeneralobjectiveoftakingfasterstepstobuildacountrywhichisgovernedbylaw.TheconferencealsoreviewedtheachievementsandexperienceoftheruleoflawinChina,anddrewtheblueprintofstickingtoand

  • 标签: LEGAL FASTER governed STEPS GOVERNANCE indispensab
  • 简介:THEWEAKLAWOFLARGENUMBERSWHENEXTREMETERMSAREEXCLUDEDFROMSUMS¥QIYongcheng(DepartmentofProbabilityandStatistics,PekingUniversity...

  • 标签: WEAK LAW of large NUMBERS trimmed
  • 简介:IntheeraofbigdataandInternet+,asthedifficultyofpersonalinformationacquisitiondecreasesandthedegreeofpublicitybecomeshigherandhigher,whichdirectlyleadstotheabuseofpersonalinformationright,themalignantcasescausedbypersonalinformationleakagecausethedeathofthepersonbeingswindled.Underthisbackground,theregulationfortheprotectionofpersonalinformationrightinGeneralProvisionsoftheCivilLawseemstobejustintime.Thispaperanalysesthestatusofthepersonalright,systemposition,andspecificscopeofthepersonalinformationrightinGeneralProvisionsoftheCivilLaw,andexploreswaystoimprovetheprotectionofpersonalinformationrightaccordingtotheneedsofpersonalinformationuse.

  • 标签: PERSONAL information General Provisions of the
  • 简介:TheUSM-θmodelofpowerlawfluidfordensetwo-phaseturbulentflowwasdeveloped,whichcombinestheunifiedsecond-ordermomentmodelfortwo-phaseturbulencewiththeparticlekinetictheoryfortheinter-particlecollision.Thismodelwasusedtosimulatetheturbulentflowofpowerlawfluidsingle-phaseinpipe.ItisshownthattheUSM?θmodelhasbetterpredictionresultthanthekf?εf?kp?εp?θmodel.TheUSM?θmodelwasthenusedtosimulatethedensetwo-phaseturbulentupflowofpowerlawfluidwithparticles.Withtheincreaseoftheflowexponent,thevelocitiesofpowerlawfluidandparticlesincreasenearthepipecentre.Comparisonbetweenthetwo-phaseflowofpowerlawfluid-particleandofliquid-particleindicatesthattheaxialfluctuationvelocityoffluidphaseandparticlephaseinliquid-particletwo-phaseflowissmallerthanthatinthepowerlawfluidtwo-phaseflow,butthetwo-phasevelocitiesofpowerlawfluid-particleandliquid-particleareclosetoeachother.

  • 标签: 幂律流体 双位流动 湍流 流速