简介:Thecooperationofdifferentprocessesmaybelostbymistakewhenaprotocolisexecuted.Theprotocolcannotbenormallyoperatedunderthiscondition.Inthispaper,theselffault-toleranceofprotocolsisdiscussed,andasemanticslbasedapproachforachievingselffault-toleranceofprotocolsispresented.Somemaincharacteristicsofselffault-toleranceofprotocolsconcerningliveness,nonterminationandinfinityarealsopresented.Meanwhile,thesufficientandnecessaryconditionsforachievingselffault-toleranceofprotocolsaregiven.Finally,atypicalprotocolthatdoesnotsatisfytheselffault-toleranceisinvestigated,andanewredesignversionofthisexistingprotocolusingtheproposedapproachisgiven.
简介:AspresentedatthelastCHEPconference,theBTeVtriggeringanddatacollectionposeasignificantchallengeinconstructionandoperation,generating1.5Terabytes/secondofrawdatafromover30milliondetectorchannels.WereportonfacetsoftheDAQandtriggerfarms.WereportonthecurrentdesignoftheDAQ,especiallyitspartitioningfeaturestosupportcommissioningofthedetector.Weareexploringcollaborationswithcomputersciencegroupsexperiencedinfaulttolerantanddynamicreal-timeandembeddedsystemstodevelopasystemtoprovidetheextremeflexibilityandhighavailabilityrequiredoftheheterogeneoustriggerfarm(-tenthousandDSPsandcommodityprocessors).Wedescribedirectionsinthefollowingareas:systemmodelingandanalysisusingtheModelIntegratedComputingapproachtoassistinthecreationofdomain-specificmodeling,analysis,andprogramsynthesisenvironmentsforbuildingcomplex,large-scalecomputer-basedsystems;SystemConfigurationManagementtoincludecompileabledesignspecificationsforconfigurablehardwarecomponents,schedules,andcommunicationmaps.RuntimeEnvironmentandHierarchicalFaultDetection/Management-asystem-wideinfrastructureforrapidlydetecting,isolating,filtering,andreportingfaultswhichwillbeencapsulatedinintelligentactiveentites(agents)torunonDSPs,L2/3processors,andothersupportingprocessorsthroughoutthesystem.
简介:Exosomes,secretedbymanylivecells,aresmallnon-cellvesicleswithnanoparticle-gradesize.Inadditiontotheoriginalfunctionofdiscardingtheuselessfulmembranemolecules,exosomesareinvolvedinarangeofimmunoregulatoryfunctions.Dendriticcell-derivedexosomesandtumor-derivedexosomesarethebestcharacterizedvesicleswithpotentantitumoreffectbyefficienflyinducingimmuneresponse.Down-regtdationofimmuneresponseorinductionofimmunetoleranceisanotherinterestingfunctionofexosomes,Furtherfunctionalstudiesoftheexosomeswillshedlightontheapplicationofexosomes。
简介:Accordingtothepracticeofurbanactivefaultexplorationandassociatedfaultactivityassessmentconductedinrecentyears,thispapersummarizestheproblemsencounteredingeological,geomorphological,geochemicalandgeophysicalsurveys,andproposesthefollowingmeansandsuggestionstosolvetheseproblems.Todeterminethemostrecentfaultsorfaultzones,emphasisshouldbeplacedonidentifyingtheyoungestactivefaultsandoffsetgeomorphology.Tounderstandthehistoryoffaultingandtodiscoverthelatestoffsetevent,itissuggestedthatgeophysicalprospecting,drillingandtrenchingbeconductedononeprofile.BecauseofsignificantuncertaintiesinlateQuaternarydating,weadvisesystematicsamplingandtheuseofmultipledatingmethods.Shallowseismicreflectionhasbeenproventobethemostusefulmethodinurbanactivefaultexploration.However,thereisapressingneedtoincreasethequalityofdataacquisitionandprocessingtoobtainhighresolutionimagessoastoenhanceourabilitytoidentifyactivefaults.ThecombinationofseismicP-wavereflectionandS-wavereflectionmethodsisprovedtobeapowerfulmeanstoinvestigatethetectonicenvironmentsofthedeepcrust.
简介:摘要目的用SEROZYME系统检测血清FT3、FT4并进行临床与实验室考核。方法将本系统与放射免疫法(RIA)进行对比研究。结果健康人(n=68)血清FT3、FT4水平(+SD)分别为4.1±1.1pmol/L、14.1±3.2pmoL/L。甲减组FT4水平下降(P<0.01);FT3水平与正常对照组无显著差异(P>0.05);初诊甲亢组FT3、FT4(P均<0.01)水平升高;糖尿病组FT3水平下降(0.05>P>0.01),FT4水平与正常对照组无显著差异(P>0.05);其它各疾病组两项指标与正常对照组均无显著差异(P均>0.05);与RIA对比检测血清FT3、FT4两法符合率分别达81.5%、74.8%;重复性批内与批间变异系数(CV)FT3分别为2.8%~5.6%、6.8%~9.0%,FT4分别为1.2%~3.4%、4.6%~7.0%;最少检量FT3为0.9pmol/L,FT4为0.1pmol/L;真实性及诊断价值FT3与FT4联合对甲亢、甲减诊断的灵敏度分别为92.2%、90.6%。特异性分别为97.1%、97.1%,总有效率均为95%;阳性预示值分别为95.9%、91.7%;阴性预示值分别为97.1%、95.7%。结论本检测系统对甲状腺功能的诊断灵敏、特异、可靠,与RIA技术相当,或有更多优点。
简介:Theconceptoffaultjunctionisproposedtodescribetherelationshipbetweenthetwofaultsbytheauthors.ThejunctionrelationshipbetweenGanjiangandTanlufaultsisanalyzedinthispaper,andthishasbeenelucidatedthroughnumericalsimulationaboutthetectonicstressfieldanalysis.NumericalsimulationofthetectonicstressfieldconductedforthemajormineralizationstageoftheJiujiang-Ruichangjunctionarearevealsthatthestressfieldofthejunctionstructureatthemajormineralizationstageshowsarelativelycloserelationshipwiththeformationoftheoredeposits(occurrences).
简介:BycomputingandclassifyingthedataofgullyoffsetobtainedfromfieldsurveysalongtheTianjingshanfaultzoneandestimatingtheagesofthreetypesofgullies,thestrike-slipratesalongthefaultzonearediscussedindifferenttimeintervalsandfaultsegments.Theresultssuggestthattheintensityofactivityalongthefaultzoneisnotstrong,butthedifferencesbetweendifferenttimeintervalsandfaultsegmentssincethelatePleistocenehavebeenobvious.Theaverageratesrangefrom0.23mm/ato1.62mm/a.Thelargestaveragerateis1.40mm/a,whichoccurredintheearlyandmiddleoflatePleistocenealongthewesternsegmentofthefaultzone.SincethelatestageofthelatePleistocene,thecenteroffaultingactivityofthefaultzonehasshiftedtothemiddlesegment,andtheaverageslipratesrangehavechangedfrom1.30mm/ato1.63mm/a.
简介:TheYuguangbasinisahalf-grabenbasininthebasin-rangetectoniczoneinnorthwestBeijing,locatedatthenorthernendoftheShanxigrabensystem,andtheYuguangbasinsouthernmarginalfault(YBSMF)controlstheformationofthisbasin.AlinearfaultescarpmenthasformedintheproluvialfanonthepiedmontfaultzoneoftheTangshankousegmentofYBSMF.Atrenchacrossthisescarpmentrevealsthreepaleo-earthquakeeventsontwoactivefaults.Onefaultrupturedatabout9kaforthefirsttime,andthenfaultedagainatabout7.3ka,causingtheformationandsynchronousactivityofanotherfault.Finally,theyfaultedforthethirdtime,butwecannotdeterminethefaultingtimeduetothelackofrelevantsurfacedeposition.Theaccumulativeverticaldisplacementofthesethreeeventsisabout8.1m.Weestimatethattheaveragerecurrenceperiodofthepiedmontfaultisabout1.7ka,andtheaveragesliprateofthepiedmontfaultisabout1.6mm/a.Wealsoestimatethereferencemagnitudeofeacheventaccordingtotheempiricalformula.
简介:Characteristicslipandcharacteristicearthquakemodelshavebeenproposedforseveraldecades.Suchmodelshavebeensupportedrecentlybyhigh-resolutionoffsetmeasurements.Thesemodelssuggestthatslipalongafaultrecursviasimilarlysized,largeearthquakes.Theinter-eventstrainaccumulationrate(ratioofearthquakeslipandprecedinginterseismictimeperiod)isusedheretotestthecharacteristicearthquakemodelbylinkingtheslipandtimingofpastearthquakesontheHaiyuanFault.Weaddresshowtheinter-eventstrainaccumulationratevariesovermultipleseismiccyclesbycombiningpaleoearthquakestudieswithhigh-resolutionairbornelightdetectionandranging(LiDAR)datatodocumentthetimingandsizeofpaleoearthquakedisplacementsalongthewesternandmiddlesegmentsoftheHaiyuanFault.Ourobservationsencompass5earthquakecycles.WefindsignificantvariationsovertimeandspacealongtheHaiyuanFault.WeobservethatonthemiddlesegmentoftheHaiyuanFaulttheratesslowdownorincreaseasananticorrelatedfunctionoftheratesofprecedingearthquakes.Here,weproposethattheinter-eventstrainaccumulationratesonthemiddlesegmentoftheHaiyuanFaultareoscillatingbothspatiallyandtemporally.However,alongthewesternsegment,theinter-eventstrainaccumulationrateisbothspatiallyandtemporallysteady,whichisinagreementwithquasi-periodicandslip-predictablemodels.Finally,weproposethatdifferentfaultsegmentswithinasinglefaultzonemaybehaveaccordingtodifferentearthquakemodels.
简介:Study of the segmentation of active fault by the boundary element method──analysis of the Xianshuihe fault zone(张超)(陈连旺)(赵国光)...
简介:Salttoleranceisanimportantconstrainforrice,whichisgenerallycategorizedasatypicalglycophyte.Soilsalinityisoneofthemajorconstraintsaffectingriceproductionworldwide,especiallyinthecoastalareas.Susceptibilityortoleranceofriceplantstohighsalinityisacoordinatedactionofmultiplestressresponsivegenes,whichalsointeractswithothercomponentsofstresssignaltransductionpathways.Salttolerantvarietiescanbeproducedbymarker-assistedselectionorgeneticengineeringbyintroducingsalt-tolerancegenes.Inthisreview,wehaveupdatedonmechanismsandgeneswhichcanhelpintransferringofthesalttoleranceintohigh-yieldingricevarieties.Wehavefocusedontheneedforintegratingphenotyping,genomics,metabolicprofilingandphenomicsintotransgenicandbreedingapproachestodevelophigh-yieldingaswellassalttolerantricevarieties.