简介：剖析ActiveX控件的代码结构，举例说明利用VisualBasic开发ActiveX控件的原理和过程以及如何运用自己开发的ActiveX控件在编程中实现特殊功能。

简介：1861M6。0地震发生在Pulandian的东方是有M6的另一强烈地震。0除1975HaichengMT以外。在Liaodong半岛的3地震。通过重复调查，1861地震的震中在Gupao被定位，Pulandian的村庄东方。基于损坏调查和现代仪器的地震数据，这项活动和Jinzhou差错，Pulandian海湾差错和趋势NW的地震风险的精确地点的分析Pulandian差错被分析。并且由比较在Pulandian和Haicheng之间的深seismogenic环境，，它被发现那neogenic活跃差错，趋势NW差错，与Jinzhou差错结合了，有更高地震的风险。趋势NW差错是1861M6的seismogenic结构。0地震。并且作为在Liaodong半岛的一个主要差错，Jinzhou差错控制了这个区域的seismicity。Pulandian海湾差错是相对不活跃的，与弱seismicity，并且对地震无关。

简介：OnOctober27,2001,alargeearthquakewithMs6.0,namedtheYongshengearthquake,occurredalongtheJinshajiangsegmentofChenghaifaultinYongshengCounty,YunnanProvince.ItisthelargesteventtooccuralongtheChenghaifaultinthelast200years.Theseismo-geologicalsurveyshowsthattheseismogenicfault,whichistheJinshajiangsegmentofChenghalfault,takesleft-lateralstrike-slipasitsdominantmovementpattern.Accordingtodifferencesinverticalmotion,motiontime,landformsandscales,theChenhalfaultcanbedividedintoeightsegments.TheJinshajiangsegmenthasaverticaldislocationrateof0.4mm/a,farlowerthanthemeanrateoftheChenghaifault,about2.0mm/a.It'sdeducedthatthetwosidesofJinshajiangsegment'stuck'tightlyandhinderedthestrike-slipoftheChenghaifault.ThestrongearthquakedistributionbeforethiseventshowsthattheJinshajiangsegmentwasintheseismicgap.TheChenghaifault,asaboundaryoftectonicsub-blocks,makestheNorthwestYunnanblockandtheMiddleYunnanblockmoveclockwise,andtheirmarginsmoveoppositelyalongtheChenghalfault.InthemotionprocessoftheChenghaifault,structuralhindranceandtheseismicgapofstrongearthquakesarepropitioustotheconcentrationandaccumulationofstructurestress.Asaresult,theYongshengMs6.0earthquakeoccurred.TheSujiazhuang-ShangangfusegmentissimilartotheJinshajiangsegmentwithalowverticalmotionrateof0.3mm/aandintheseismicgap.Soit'spostulatedthatthesegmentmaybecomeanewstructurehindrance,andtheYongshengMs6.0earthquakemaytriggertheoccurrenceoffuturelargeearthquakesalongthissegment.

简介：ＭＳ—ＤＯＳ６．０下的ＷＰＳ２．１使用技巧朱拥军（平凉地区气象局７４４０００）ＷＰＳ２．１文字处理办公系统以其良好的编辑排版和优美的字形字符处理功能赢得了广大计算机用户的青睐，成为国内微机最普遍的应用软件之一。然而，ＷＰＳ２．１在编辑排版和模拟显示时...

简介：Inthispaperchangesinfocalmechanisms,parametersofwavespectra,andstressdropsfortheMS=5.0foreshockandMS=6.0mainshockinFebruary2001inYajiangCounty,Sichuan,andseismicityinepicentralregionarestudied.ComparisonoffocalmechanismsfortheYajiangearthquakeswithdistributionpatternsofaftershocks,thenodalplaneI,strikinginthedirectionofNEN,oftheYajiangM=5.0eventischosenasthefaultingplane;thenodalplaneII,strikinginthedirectionofWNW,oftheM=6.0eventasthefaultingplane.Thestrikesofthetwofaultingplanesarenearlyperpendiculartoeachother.ThelevelofstressdropsintheepicentralregionbeforetheoccurrenceoftheM=6.0earthquakeincreases,whichisconsistentwithincreaseofseismicityintheepicentralregion.TheratedecayoftheYajiangearthquakesequence,changesinwavespectraforforeshocksandaftershocks,andfocalmechanismsarecomplex.

简介：TheYajiangearthquakesequencein2001,withthemajoreventsofMs5.1onFeb.14andofMs6.0onFeb.23,aresignificanteventsintheSichuanregionduringthelast13years.Eighty-eightearthquakesinthesequencewithatleast5distinctonsetparametersforeachrecordedbytheSichuanSeismicNetworkintheperiodofJan.1throughJune30,2001werechosenforthisstudy.TheeventsarerelocatedandthefocalmechanismisderivedfromP-waveonsetsfor13eventswithrelativelylargermagnitudes.Thefocaldepthofallearthquakesfallbetweenarangeof2kmto16km,withdominantdistributionbetween9kmto11km.Theforeshocks,theMs5.1earthquakeandtheMs6.0earthquakeandtheiraftershocksarealllocatedclosetotheZihefaultandthedominantepicentraldistributionisinNWdirection,identicaltothatofthefault.ThefracturesurfaceofthefocalmechanismisdeterminedinaccordancetothemasstransferorientationintherecentearthdeformationfieldintheYajiangregion.ThePaxesoftheprincipalcompressivestressinfocalmechanismsolutionsofthe13eventsshowbiggerverticalcomponents,andthehorizontalprojectiontrendingSE.Theearthquakesareofleft-lateral,strike-slipnormal,andnormalstrike-sliptypes.TherupturesurfaceofmostearthquakesstrikeNW-SE,dippingSW.Basedontheaboveinformation,weconcludethattheZihefaultthatcrossestheearthquakearea,strikingNWanddippingSW,istheseismogenicfaultfortheYajiangearthquakesequence.

简介：Thevariationinload/unloadresponseratiobeforesomemoderateearthquakesisanalyzedbasedonthetheoryoftheload/unloadresponseratio.Theresultsshowthattheload-unloadresponseratioincreasesnoticeablybeforemoderateearthquakes,andtherearethreekindsofpatternsinwhichtheload/unloadresponseratiovariesandthedurationofnoticeableincreaseinload/unloadresponseratiorangesfromhalfayeartotwoyears.

简介：摘要：全站仪与 CASS6.0是地籍测绘的主要设备支撑，不仅有助于的地籍测绘效率的提升，更对测绘结果的精准度具有较大的影响论文在阐述地籍测绘特征的基础上，对全站仪与 CASS6.0绘图软件的应用过程展开分析

简介：利用成都区域数字化地震台网记录的雅江地震序列的波形资料,使用波谱分析方法,通过纵、横波的零频谱值的比值得到了雅江地震序列前及余震的纵、横波速比.结果表明,雅江地震序列纵、横波速比在主震前后存在不同变化,不同台站求得的波速比变化过程也存在明显差异.

简介：AnM=6.0earthquakeoccurredonFebruary23,2001inthewesternSichuanProvince,China.Themacroseismicepicentersituatedinthehighmountain-narrowvalleyregionbetweenYajiangandKangdingcounties.Accordingtofieldinvestigationintheregion,theintensityofepicentralareareachedVIIIandtheareaswithintensityVIII,VIIandVIare180km2,1472km2and3998km2,respectively.TheisoseismalsaregenerallyinellipticshapewithmajoraxistrendingnearN-Sdirection.TheearthquakedestroyedmanybuildingsandproducedsomephenomenaofgroundfailureandmountainousdisastersintheareawithintensityVIII.Thiseventmayberesultedfromlong-termactivitiesoftheLitangfaultandYunongxifault,twomainfaultsinthewesternSichuan.Themovementsbetweenthemainfaultsmadethecruststressadjustedandconcentrated,andfinallytheearthquakeonasecondaryfaultintheblockreleasedaquitelargeenergy.

简介：通过对2009年7月9日姚安6.0级地震前的地震活动、前兆和宏观异常及其特征分析,认为前兆和宏观异常同步出现,对楚雄地区及邻区的中强地震有较好的对应关系。

简介：Analysisofdeformationdatameasuredacrossthefaults,regionalverticaldeformationdataandGPSmeasurementsintheSichuan-Yunnanregionmadesincethe1980spermittedustoconcludethatthecrustaldeformationintheregionduringthisperiodoftimewasrelativelyweakandcausedtheoccurrenceofearthquakes(Ms≥6.0),whichwerenotdistributedalongthemajorboundaryactivefaultsintheregionafterthe1981DawuMs6.9earthquakeandthattheseismicactivityischaracterizedbyquasi-clockwisemigration.Thus,itfollowsthatearthquakepredictionresearchshouldbefocusedonthecentralpartoftheSichuan-Yunnanregioninthecomingyears.Finally,aconceptoftemporaldivisionoftheregionintoactiveblocksissuggestedandthepreliminaryresultofthedivisionisgiveninthepaper.

简介：本刊讯（段金平）北京的母亲河——永定河年龄到底多大？300万岁!据北京市地质调查研究院院长蔡向民介绍,通过对永定河冲洪积物的研究发现,永定河最早的沉积物——泥砾岩为上新世形成,年龄约300万年。

简介：