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.
简介:DoAmericanshaveanymorals?That’sagoodquestion.Manypeopleinsistthatideasaboutrightandwrongaremerelypersonalopinions.Somevoices,though,arecallingAmericansbacktotraditionalmoralvalues.WilliamJ.Bennett,formerU.S.SecretaryofEducation,editedTheBookofVirtuesin1993todojustthat.Bennettsuggeststhatgreatmoralstoriescanbuildcharacter.ThesuccessofBennett'sbookshowsthatmanyAmericansstillbelieveinmoralvalues.Butwhatarethey?
简介:Therestoftheworldthetransformationofoldindustrialareashassetagoodexample.Thelandscapeconstructionandeconomicdevelopmentshouldbeabenigninteraction,landscapedesignisanart.Itandotherartforms,thelandscapechangesanddevelopmentintheformofthemostinfluentialartforms
简介:Themicroscopiceffectivechargesinmirrornuclei51Mnand51Feareinvestigatedwiththeparticle-vibrationcouplingmodelbasedontheself-consistentSkyrme-Hartree-Fockandcontinuumrandom-phase-approximationapproaches.Theisovectorpartsarepredictedtobearound0.15,andtheprotoneffectivechargesarearound1.25e,whichislessthantheempiricalvalueofeeffp=1.5e.Themicroscopiceffectivechargesinneutronrich51Mnareabout10%lessthanitsprotonrichmirror.TheseeffectivechargesarecombinedwiththeshellmodeltocalculatethereducedelectricquadrupoletransitionprobabilityB(E2)valuesin51Mnand51Fe.ItturnsoutthatthemicroscopiceffectivechargeshavewellreproducedtheB(E2)valuesanditsratiointheterminatingstates.
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
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