简介：

简介：Inthisnote,itisshownthatifarationalfunctionfofdegree≥2hasanonemptysetofburiedpoints,thenforagenericchoiceofthepointzintheJuliaset,zisaburiedpoint,andiftheJuliasetisdisconnected,ithasuncountablymanyburiedcomponents.

简介：Onthebasisoflocatingbythegeochemicalprospecting,shallowseismicsounding,drilling,geologicalprofiling,andneogeochronologicaldating,wefirstfoundoutthedislocationamountalongtheLiaocheng-LankaoburiedfaultsincetheQuaternaryandtheageofitslatestactivityphaseanddeterminedthattheupperbreakpointbythefaultdislocationreaches20mbelowthesurface.ThelatestactivityphasewasintheearlyHoloceneandthefaultisashallow-buriedactivefault.Anaveragedislocationratealongthefaultis0.12mm/asincetheQuaternary.Thus,itisaburiedactivefaultwithintermediatetostrongmovementstrengthintheeasternChina.

简介：AnewcentrifugebasedmethodfordeterminingtheresponseofcontinuousburiedpipetoPGDispresented.ThephysicalcharacteristicsoftheRPI's100g-tongeotechnicalcentrifugeandthecurrentlifelineexperimentsplit-boxaredescribed:Thesplit-boxcontainsthemodelpipelineandsurroundingsoilandismanufacturedsuchthathalfcanbeoffset,inflight,simulatingPGD.Inaddition,governingsimilituderelationswhichallowonetodeterminethephysicalcharacteristics,(diameter,wallthicknessandmaterialmodulusofelasticity)ofthemodelpipelinearepresented.Finally,recordedstrainsinducedintwoburiedpipeswithprototypediametersof0.63mand0.95m(24and36inch)subjectto0.6and2.0meters(2and6feet)offullscalefaultoffsetsandpresentedandcomparedtocorrespondingFEresults.

简介：Percutaneousendoscopicgastrostomy（PEG）isawidelyusedmethodofnutritiondeliveryforpatientswithlongterminsufficiencyoforalintake.ThePEGcomplicationratevariesfrom0.4%to22.5%ofcases,withminorcomplicationsbeingthreetimesmorefrequent.Buriedbumpersyndrome（BBS）isaseverecomplicationofthismethod,inwhichtheinternalfixationdevicemigratesalongsidethetractofthestomaoutsidethestomach.ExcessivecompressionoftissuebetweentheexternalandinternalfixationdeviceofthegastrostomytubeisconsideredthemainetiologicalfactorleadingtoBBS.IncidenceofBBSisestimatedataround1%（0.3%-2.4%）.Inabilitytoinsert,lossofpatencyandleakagearoundthePEGtubeareconsideredtobeatypicalsymptomatictriad.GastroscopyisindicatedinallcasesinwhichBBSissuspected.Thedepthofdiscmigrationinrelationtothelaminamuscularispropriaofthestomachiscriticalforfurthertherapyandcanbeestimatedbyendoscopicortransabdominalultrasound.BBScanbecomplicatedbygastrointestinalbleeding,perforation,peritonitis,intra-abdominalandabdominalwallabscesses,orphlegmon,andthesecomplicationscanleadtofataloutcomes.Themostimportantpreventivemeasureisadequatepositioningoftheexternalbolster.Aconservativeapproachshouldbeappliedonlyinpatientswithhighoperativeriskanddismalprognosis.ChoiceofthemethodofreleaseisbasedonthetypeofthePEGsetanddepthofdiscmigration.Adiscretainedinsidethestomachandcompletelycoveredbytheovergrowingtissuecanbereleasedusingsometypeofendoscopicdissectiontechnique（needleknife,argonplasmacoagulation,orpapillotomethroughthecannula）.Properpatientselectionanddissectionoftheovergrowingtissuearethemajordeterminantsforsuccessfulendoscopictherapy.Adisclocalizedoutofthestomach（laminamuscularispropria）shouldbetreatedbyasurgeon.

简介：AnewLDMOSTstructure,namedB-LDMOSTthathasaburiedlayerunderthedrainisproposed.Theburiedlayerisnotconnectedtothedriftregion,soitcanoptimizetheverticalfielddistributionandincreasebreakdownvoltage.TheanalysisandthesimulatedresultsshowthatB-LDMOSTcanincreasebreakdownvoltage,withalmostnegligibleinfluenceontheotherparameterssuchason-resistance,switchingtime,andsoon.

简介：Basedonthesphericalcavityexpansiontheoryintheelastichalfspace,thegroundsurfacemovementcharacteristicsofshallowlyburiedexplosionsareanalyzed.TheresultsshowthattheinducedseismicwaveisalongitudinalwaveinthenearzoneandaRayleighwaveinthefarzone.Themaximumdisplacement(velocity)ofthelongitudinalwaveandtheRayleighwaveareinverselyproportionaltothescaleddistance,andcanbedescribedbyexponentialfunctionwithexponentsequalto1.4and0.5,respectively.Thevibrationfrequenciesofthewaveshavealmostnochange.Thevibrationfrequencyofthelongitudinalwaveapproximatesthenaturalvibrationfrequencyofthecavityinthebrokenarea,andthevibrationfrequencyoftheRayleighwaveisabouthalfthatofthelongitudinalwave.Onthesamereducedburieddepthandreduceddistance,theparticledisplacementisdirectlyproportionaltotheproductoftheboundaryloadingandcavityradius,andisinverselyproportionaltothetransversalwavevelocity.Meanwhile,theparticlevelocityisdirectlyproportionaltotheboundaryloadingandinverselyproportionaltothewavevelocityratio.Inthefarzone,theburieddepthoftheexplosiveonlyhasaslighteffectonthelongitudinalwave,buthasalargereffectontheRayleighwave.

简介：

简介：在导致的震波和地雷之间的机械相互作用根据联合理论的acoustic-to-seismic被分析。并且一个地震检波器数组基于试验性的系统因为地雷察觉被开发。由作为一个集体春天的系统在矿上为一个顺从的矿和土壤建模，分析方法被采用学习系统的回声机制。一个扬声器作为精力来源被采用在土壤上使一个打扫正弦音调激动。我们也使用了一个地震检波器数组测量扎根的表面的颤动速度。以便分析表面颤动上的地雷效果，测量速度价值on-and-off矿的大小系列曲线被阴谋。结果证明在我的上测量的数据比那大得多离开目标，建议系统能被使用推进声学的地雷察觉的调查。

简介：Seismicgroundfaultingisthegreatesthazardforcontinuousburiedpipelines.Overtheyears,researchershaveattemptedtounderstandpipelinebehaviormostlyvianumericalmodelingsuchasthefiniteelementmethod.Thelackofwell-documentedfieldcasehistoriesofpipelinefailurefromseismicgroundfaultingandthecostandcomplicatedfacilitiesneededforfull-scaleexperimentalsimulationmeanthatacentrifuge-basedmethodtodeterminethebehaviorofpipelinessubjectedtofaultingisbesttoverifynumericalapproaches.Thispaperpresentsresultsfromthreecentrifugetestsdesignedtoinvestigatecontinuousburiedsteelpipelinebehaviorsubjectedtonormalfaulting.Theexperimentalsetupandprocedurearedescribedandtherecordedaxialandbendingstrainsinducedinapipelinearepresentedandcomparedtothoseobtainedviaanalyticalmethods.Theinfluenceoffactorssuchasfaultingoffset,burialdepthandpipediameterontheaxialandbendingstrainsofpipesandongroundsoilfailureandpipelinedeformationpatternsarealsoinvestigated.Finally,thetensileruptureofapipelineduetonormalfaultingisinvestigated.

简介：Recenthigh-resolutiondeepseismicreflectionprofileacrosstheKunlunfaultinnortheasternTibetshowsclearlythattheMohoiscutoffbyacomplexthrustfaultsystem.Mohooffsetisageneralphenomenon,butlittleisknownaboutthedynamicmechanism.Inthisstudy,contactmodelswithMaxwellmaterialsareusedtosimulatethemechanicalprocessofMohooffsetinducedbytheaseismicslipofdeeplyburiedfaults.Basedontheseismicreflectiondata,weprojectasinglefaultmodelandacomplexfaultsystemmodelwithtwofaultsintersecting.ThedeformationsoftheMoho,theaseismicslips,andcontactstressesonfaultsindifferentmodelsarediscussedindetail.ResultsshowthattheMohooffsetmightbeproducedbyaseismicslipofdeeplyburiedfaults,andthemagnitudeisinfluencedbythefrictioncoefficientoffaultsandtheviscosityofthelowercrust.ThemaximumslipoccursneartheMohoonthesinglefaultoratthecrossingpointoftwointersectingfaultssystem.StressconcentratesmainlyontheMoho,thedeependoffaults,orthecrossingpoint.ThisstudywillthrowlightonunderstandingthemechanismofMohooffsetandaseismicslipofdeeplyburiedfaults.Theresultsofcomplexfaultsystemwithtwofaultsintersectingarealsousefultounderstandtheshallowintersectingfaultsthatmaycauseearthquakes.

简介：Thepatternofthesubtletraps,inwhichoilandgasaccumulated,intheburied-hillfaultedzoneintheJiyangsagisverycomplicated,andveryhardtoprospect.Thepaperanalysesthemaindifficultiesinexploringthecomplicatedburied-hillfaultedzoneoftheareafromapointofgeology.Thetypicalpatternoftheburied-hillzoneintheJiyangsagisstudiedusingtheforwardmodeling.Target-orientlayoutdesignandfull3-Dseismictechnology,whichareusefulforoilandgasexplorationonthezone,areputforward.Takingtheexplorationforoilandgastrapsonthezoneasanexample,certaintechnologiesandtheeffectoftheirapplicationsaboutthedesignfortargetacquisition,acquisitiononawide-azimuth,pointsourcesandpointreceiversarediscussed.

简介：Ananalysisofsolvingtheelectromagneticscatteringbyburiedobjectsusingvectorwavefunctionexpansionispresented.Forexpandingtheboundaryconditionsbothontheplanarair-earthinterfaceandonthesphericalsurface,theconversionrelationsbetweenthecylindricalandsphericalvectorwavefunctionsarederived.Hencethevectorwavefunctionexpansionisconvenientlyappliedtosolvethiscomplexboundary-valueproblem.Fortheexcitationofthein-cidentplanewaveandthedipoleabovetheearth,thescatterlngpatternsoftheburiedconductinganddielectricspheresarepresentedanddiscussed.

简介：Thephotoacousticmodelofmultilayerwithastrong-absorbingsurfacelayerisdeveloped.Thephaseofph0toacoustiesignalismeasuredasafunctionofmodulatedfrequencyusingapparatustotallycontrolledbyacomputersystem.Thethermaldiffusivity,effusivityaswellasthicknessofseveralburiedlayersareobtainedindependentlythroughthebestfitofexperimentaldataaccordingtothetheoreticalmodel.Themultilayersofthinmetalandalloyfilmareinvestigated.Thismethodisprovedtobevaluableparticularlyinnondestructiveexaminationofsubsurfacephysicalproperties.

简介：A3-Dsoil-pipenonlinearfiniteelementmodelwithcontactelementissuggestedandtheinfluencesoftherupturemode,thicknessandrigidityofoverlyingsoilontheresponseofburiedpipelineareanalyzed.Thenumericalresultsshowthatthesoilrupturemodedeterminesthelocationofthelargedeformationorfailureofthepipeline,andtheplasticdeformationofthepipelineoccursatthezonewheretheplasticdeformationorruptureoftheoverlyingsoilappears.Whenthefaultdipangleonbedrockisnear90°,twoplasticdeformationsectionsofthepipelineappearwiththedevelopmentofoverlyingsoilrupture.Andthethickertheoverlyingsoilis,thelongertheplasticdeformationlengthofthepipelineisandthelessitsstrainis.Theplasticdeformationlengthofthepipelinedecreaseswhileitsmaximumstrainincreaseswiththerigidityofoverlyingsoilincreasing.

简介：

简介：与飘移散开(DD)的联合使用模型，试验性的测量参数和小信号的正弦曲线不变的分析，我们为4H-SiC提取Y参数埋葬隧道的金属氧化物半导体域效果晶体管(BCMOSFET)。输出电线走火水流获得G，梅森的不变的U分别地在普通来源的配置f(T)和摆动f(最大)的最大的频率为外推的统一水流获得频率被计算。这里f(T)=800MHz和f(最大)=5GHz为4H-SiCBCMOSFET被提取，当地效果活动性到达它的山峰时，珍视87cm(2)/Vs什么时候V-GS=4.5V。模拟结果清楚地证明4H-SiCBCMOSFET和地效果活动性的典型频率是优异的，由于新奇结构，与常规MOSFET相比。

简介：Explorationforburiedgoldoresandotherdee-plyburiedores,especiallyinhighaltitudelocalities,isoneofthetoughchallengesfacingthegeologicalworldtoday.Fastandefficientoreprospectingmethodsarebadlynee-dedtodealwiththesituation.Thispaperdocumentsatestthat,forthefirsttime,usesanelectrogeochemicalapproachtoprospectoresinthealpinemeadow-coveredBangz-huomaareaanditsperipheryinQinghai-TibetPlateau.Theresultswerecomparedwithconventionalsoilmea-surementsfroma2Dprospection,andanidealmodelofelectrogeochemicalanomalyformationintheareawasestablishedbasedonthecomparisoninordertoprovidetheoreticalguidancetoburiedoreprospectinginareaswithsimilarconditions.Theresearchshowsthat：（1）Forexplorationofdeeply-buriedmineraldeposits,anelectro-geochemicalapproachisbetterthansoilmeasurementsintermsofcorrespondencebetweenelementcontentvaluesandanomalyformsandspatialdistributionofknowndepositsinsections.Anomaliesofhightolowtemperatureelementassociations（Bi-Mo;Au-Ag-As-BiandAu-Ag）andclearzonationwerealsoobservedalongverticalveinrunsinthesections.Basedonintegrationoftheobservationwithgeologicalcharacteristicsofthesections,weproposetouseAu,AgandAsastheelectrogeochemicalindicatorsandBiandMoastheelectrogeochemicaltracingelementstoguidefurtheranalysis.（2）Judgingfromelementstatis-ticsandthescale,intensity,andrangeofanomaliesinplanmaps,wefoundthatanelectrogeochemicalapproachislessaffectedbytopographyandsecondaryactions.TheplanmapsalsoshowthatelementaldifferentiationcoefficientsofthestudyareaareinanascendingorderofAg（0.67）〈Mo（0.85）〈Bi（0.97）〈Au（1.51）〈As（2.35）,betterrepresentingtheelementdistributionintheareaandyieldingmorestrikingandconcentratedanomaliesforknowndepositsthanthatofthesoilmeasurements.Apartfromthat,electrogeochemicalanomalieswereob

简介：ThemicrostructureandopticalpropertiesofaburiedlayerformedbyO+(200keV,1.8×1018/cm2)andN+(180keV,4×1017/cm2)co-implantationandannealedat1200℃for2hhavebeeninvestigatedbyAugerelectron,IRabsorptionandreflectionspectroscopicmeasurements.TheresultsshowthattheburiedlayerconsistsofsilicondioxideandSiOx（x<2）andthenitrogensegregatestothewingsoftheburiedlayerwhereitformsanoxynitride.BydetailtheoreticalanalysisandcomputersimulationoftheIRreflectioninterferencespectrum,therefractiveindexprofilesoftheburiedlayerwereobtained.

简介：<正>EastHunananditsadjacentareaisdefinedasanintraplateorogeniczonewithhelpofnewtheoryofgeologyandmulti-disciplineresearch.Theevolutionarystages,deepstructrue,geologicalfeature,rotationstrainandmetallogenyofNW-strikingtransferfaultzonearealsodiscussed.NE-trendingstrike-slipfaultzone,asawhole,enteredactionduringPacificmovementandunderwent3stages:thestrike-slipshear,thepull-apartextensionandthe’compressivethrust.Theaurthorsstudiedmacro-andmicroscopicfeaturesofstrike-slipfaultanditscontrolofuraniummineralizationatJinguangchungdepositbymeansofmodernstructureanalysis,micro-submicroscopicinvestigationandgeophysicalmeasurement.