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  • 简介:WeusedearthquakecatalogsrecordedbyGuangdongSeismologicalNetworkfrom2008to2014toresolvethespatialvariationsofb-valuesinthecoastalareaofGuangdong,particularlyinthreekeyresearchareas(Yangjiang,Heyuan,andoffshoreNanaoIsland)withstrongseismicity.Ourresultsrevealedthatb-valuesexhibitedsignificantspatialvariations,andzoneswithlowb-valuescouldindicatethemostlikelyseismogenicareaoflargeearthquakes.Weobservedthreeclearlowb-valuepatchesintheoffshoreNanaoIsland.Wefoundadistincthighb-valuepeakatthedepthof11kmandtwominimumpeaksatabout14and7–8kmintheYangjiangarea.Theoverallb-valuesgenerallydecreasewithdepthintheHeyuanarea.Thespatialvariationsofb-valuesreflecttectonicanomalies;thatis,the‘low-high-low’distributionofb-valuesintheoffshoreNanaoIslandandtheYangjiangareamayindicatetheanomalyofthecrustalstructurewithaweaklayer.Theb-valuesofreservoir-inducedseismicityareobviouslylowerthanthatinducedbytectonism.Thisfindingindicatesthatthereservoirareaisgenerallyathighstressstateundertheconditionofhighporepressure.Weinferredthatlargeearthquakesmightbepronetooccurat10–12kmdepthintheoffshoreNanaoIsland,at12–15kmdepthintheYangjiangarea,andatthelowerpartoftheseismicactivityzoneintheHeyuanarea.Moreover,theupstreamareaoftheXinfengjiangreservoiristhemostlikelyareaoffuturelargeearthquakesintheHeyuanarea.

  • 标签: B-VALUES EARTHQUAKE GUANGDONG SEISMOGENIC area STRESS
  • 简介:DoAmericanshaveanymorals?That’sagoodquestion.Manypeopleinsistthatideasaboutrightandwrongaremerelypersonalopinions.Somevoices,though,arecallingAmericansbacktotraditionalmoralvalues.WilliamJ.Bennett,formerU.S.SecretaryofEducation,editedTheBookofVirtuesin1993todojustthat.Bennettsuggeststhatgreatmoralstoriescanbuildcharacter.ThesuccessofBennett'sbookshowsthatmanyAmericansstillbelieveinmoralvalues.Butwhatarethey?

  • 标签: 高中 英语 阅读练习 文化背景知识
  • 简介:我们使用二个多项式到结果讨论一致的根,然后我们在情况r=在特性和的吝啬的价值上改进伯吉斯的结果3。最后,我们在情况r=为特性和的吝啬的价值给新估计4。关键词结果-多项式-特性先生(2000)题目分类11L40

  • 标签: 多项式 同余方程 特征和 平均值
  • 简介:图G的代数学的连接是它的拉普拉斯算符矩阵的第二个最小的特征值。让n是顺序n的所有树的集合。在这份报纸,我们将提供根据他们的最小的代数学的连接在n订树直到最后八棵树什么时候n13。这扩大邵等的结果。

  • 标签: 线性代数 连通图 LAPLACIAN矩阵 最小特征值 连通性 连接图
  • 简介:Inthisarticle,westudytheproblemsofBorel'sdirectionsofmeromorphicfunc-tionsconcerningsharedvaluesandprovethatiftwomeromorphicfunctionsofinfiniteordersharethreedistinctvalues,theirBorel'sdirectionsaresame.

  • 标签: 价值观 波莱尔方向 亚纯函数
  • 简介:Therestoftheworldthetransformationofoldindustrialareashassetagoodexample.Thelandscapeconstructionandeconomicdevelopmentshouldbeabenigninteraction,landscapedesignisanart.Itandotherartforms,thelandscapechangesanddevelopmentintheformofthemostinfluentialartforms

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  • 简介:Themicroscopiceffectivechargesinmirrornuclei51Mnand51Feareinvestigatedwiththeparticle-vibrationcouplingmodelbasedontheself-consistentSkyrme-Hartree-Fockandcontinuumrandom-phase-approximationapproaches.Theisovectorpartsarepredictedtobearound0.15,andtheprotoneffectivechargesarearound1.25e,whichislessthantheempiricalvalueofeeffp=1.5e.Themicroscopiceffectivechargesinneutronrich51Mnareabout10%lessthanitsprotonrichmirror.TheseeffectivechargesarecombinedwiththeshellmodeltocalculatethereducedelectricquadrupoletransitionprobabilityB(E2)valuesin51Mnand51Fe.ItturnsoutthatthemicroscopiceffectivechargeshavewellreproducedtheB(E2)valuesanditsratiointheterminatingstates.

  • 标签: 镜像核 收费 微观 E2 HARTREE-FOCK 有效电荷
  • 简介:making completely different from the traditional sense of the industrial park after the landscape emerging…… social development is changing the face of today's landscape design,but rather a long garden where traditional and modern life needs and aesthetic value of a good combination,it has a lasting charm and vitality.Will combine traditional and modern another layer of meaning lies in the fact that the new landscape design should not only show the contemporary social needs and protect their re-creation of a city or historical value of the lot is also playing an increasingly important role. Bali Bei Seoul park (Parc Berce

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  • 简介:The landscape construction and economic development should be a benign interaction,landscape design is an art. It and other art forms,the landscape changes and development in the form of the most influential art forms

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