简介：由于有限金融资源和挑战性的地理条件，在中国的地震观察网络的数字仍然是很小的，他们不是广泛地分布式的。因此，在地震以后获得的可得到的地震记录被限制了。在这份报纸，在不同条件下面获得强壮的运动isolines的汽车产生方法被建议。验证这些方法的精确性，包括到2008Wenchuan地震的申请，一些例子被给。

简介：Sincethesimilarityinsizedistributionofearthquakesandacousticemissions(AE)wasfoundinthe1960s,manylaboratorystudieshavebeenmotivatedbytheneedtoprovidetoolsforthepredictionofminingfailuresandnaturalearthquakes.Thispaperaims,ontheonehand,todrawanoutlineoflaboratoryAEstudiesinthelast50years,whichhaveaddressedseismologicalproblems.TopicsincludethepowerlawsinwhichthesimilaritybetweenAEsandearthquakesisinvolvedandprogressthathasbeenmadeinAEtechnologyandlaboratoryAEstudy.Ontheotherhand,thisstudywillhighlightsomekeyissuesintensivelydiscussed,especiallyinthelastthreedecades,suchasaspectsrelatedtothepre-failuredamageevolution,faultnucleationandgrowthinbrittlerocksanddiscussfactorsgoverningtheseprocesses.

简介：基于ArcGIS和MapInfo软件，我们数字化中国的活跃tectonics地图(1:4,000,000)，它被院士邓启东编并且修订，并且造了中国的活跃tectonics的空间数据库。数据库集成富有的活跃构造数据，例如有超过6.0的大小的地震的一个目录，活跃差错，第四级的盆，活跃褶层和他们的联系属性参数，和工具科学、有效的管理到这个数据。同时，空间数据库一起加入空间地图数据和联系属性数据，它实现在空间性质和属性参数之间的数据询问并且也使与不同数据层执行空间分析可能。这些为地震学习提供许多便利并且允许设计构造机构在实际应用程序使用这个数据。

简介：Whenoneendofanair-dryigneousrockblockwasuniaxiallyloadedinlaboratory,thereappearedanelectromotiveforcethatmadeelectriccurrentsflowfromthestressedvolumetotheunstressedvolume.Quartz-freerockssuchasgabbroalsogeneratedthisforce,strongerthanquartz-bearingrockssuchasgranite.Thisindicatesthatthepiezoelectriceffectofquartzandtheelectrokineticeffectofporewaterdonotmakealargecontributiontowardgeneratingtheelectromotiveforce.Wefocusonperoxybondthatisoneoftheabundantlatticedefectsinigneousrock-formingminerals.Whenmechanicalloadingdeformsthelatticestructurearoundthisdefectandbreaksitsbond,itsenergylevelschangeandactlikeanaccepter.AsanelectronistrappedatthisdefectfromaneighborO2-site,apositiveholeisactivatedthere.Theyattempttodiffusetowardtheunstressedvolumethroughthevalencebandandaresimultaneouslyaffectedbytheattractiveelectricforcewiththeelectronstrappedinperoxybonds.Thisleadstoapolarizationinthestressedvolumeandthegenerationofelectromotiveforcebetweenthestressedandunstressedvolumes.SimilarelectromotiveforcemaybegeneratedintheEarth’scrustwhereinhomogeneousstress/strainischanging.

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