简介：TheauthorsestablishtheHilbertianinvarianceprinciplefortheempiricalprocessofastationaryMarkovprocess,byextendingtheforward-backwardmartingaledecompositionofLyons-Meyer-ZhengtotheHilbertspacevaluedadditivefunctionalsassociatedwithgeneralnon-reversibleMarkovprocesses.

简介：Thebasicrequirementsof'businessprocesswalkthrough'methodwereclarifiedandthediagnosticwayofprocessproblemofenterprisewasdiscussed.Thebusinessprocessproblemscanbesummarizedasprocessstructuredefects,lackofsupportingmechanismsandlackofsupportingsystem.Thebusinessurgency-expectedreturnmatrixscoringmethod,whichcaneffectivelysorttheimportanceoftheprocessproblemswasalsoanalyzed.Theimplementationmethodandkeyelementsofprocessoptimizationwerediscussed,andtheevaluationindexsystemofprocessoptimizationwasalsoconstructed.Thecontinuouscustomer-orientedbusinessprocessoptimizationcaneffectivelyimprovethequalityoftheprocessoperationandenhancethelevelofenterpriseoperationmanagement.

简介：Thegrainsizecontrolofthetungstenpowderisessentialforhighqualitytungstenproductsmaking.Basedonthestudiesonthehydrogenreductionprocessoftungstenoxide,amicrocomputersystemisintroducedtothereductionprocessparameterscon-trol.Themicrocomputerprocesscontrolsystem,whichisnowrunninginZhuzhouTungstenandMolybdenumMaterialsPlant,controlstheprocessparametersincludingthetemperatureofthereductionfurnaceandthepressureofhydrogen.Italsocontrolsamechanicalpusherwhichpushstheboatschargedwithbluetungstenoxideintothefurnacetubes.Someofthetechniqueprob-lemsappearedinthereductionprocessandtheprocesscontrolareanalysedinthispaper.Theresultoftheexperimentisalsogiven.

简介：P.M.Djuric,etc.(1992)researchedonthesegmentationofnonstationarystochasticprocessintopiecewisestationarystochasticprocessbyBayesiancriterion,andgaveadynamicequationaboutthenumberofsegments,theirboundariesandARmodelordersforeachsegment,butdidnotgivedetailedsolutionfortheequation.Becausethesolutionfortheequationisverycomplex,thispaperinvestigatesthesolution,derivessomerecursiverelations,simplifiestheproblem,savescomputationtimeandgoesfurtherintothesegmentationofnonstationarystochasticprocessintopiecewisestationarystochasticprocess.

简介：TheEuropeanMonetaryUnion(EMU)appearedunprecedentedlyontheworldsceneas12Europeancountriesvoluntarilygaveuppartoftheirsovereigntytocreatearegionalmonetarysystem.TheintroductionofeurocurrencyisundoubtedlyacrucialsteptowardfurtherEuropeanintegration.

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简介：AMarkovianriskprocessisconsideredinthispaper,whichisthegener-alizationoftheclassicalriskmodel.ItisproperthatariskprocesswithlargeclaimsismodelledastheMarkovianriskmodel.Insuchamodel,theoccurrenceofclaimsisdescribedbyapointprocess{N(t)}_(t≥0)withN(t)beingthenumberofjumpsduringtheinterval(0,t]foraMarkovjumpprocess.TheruinprobabilityΨ(u)ofacompanyfacingsuchariskmodelismainlystudied.AnintegralequationsatisfiedbytheruinprobabilityfunctionΨ(u)isobtainedandtheboundsfortheconvergencerateoftheruinprobabilityΨ(u)aregivenbyusingageneralizedrenewaltechniquedevelopedinthepaper.

简介：Identifyingeachprocessandtheirconstraintrelationsfromthecomplexwiringharnessdrawingsquicklyandaccuratelyisthebasisforformulatingprocessroutes.Accordingtotheknowledgeofautomotivewiringharnessandthecharacteristicsofwiringharnesscomponents,weestablishedthemodelofwiringharnessgraph.Thenweresearchthealgorithmofidentifyingtechnologyprocessesautomatically,finallywedescribetherelationshipsbetweenprocessesbyintroducingtheconstraintmatrix,whichisinordertolayagoodfoundationforharnessprocessplanningandproductionscheduling.

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简介：Thispaperdealswithacomparativeresearchbetweentwoprocessesofgranulation,namelymini-pelletizedsintering(MPS)andhybridpelletizedsintering(HPS),focusingonaspectssuchastheballingeffect,production,quality,andmineralographyandmetallurgicalperformanceofsinter.Theresultsindicatethatbothmethodscanresultinasatisfyingcapabilityinballingeffectandmetallurgicalperformanceofsinter,qualifiedtomeettheplantproductionrequirements,butwhenthegranulationtimeandgranulatingmoisturearesettoaround6minutesand7.0%respectively,MPSisbetterthanHPS.

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简介：增加的人口和单个财富为精力和原料资源以及为鉴于资源的有效使用，处理技术并且在生产避免排出物并且再循环过程的稳定的改进导致了一个更高的要求。Presentsituation和再循环处理的未来趋势被例子从铝和钢工业讨论，汽车和消费者以后的市政的恢复再循环。热力学的法律并且4E策略的更多的强烈遵守的重要性“经济”，精力，环境和教育被构画出。

简介：Magnetohydrodynamicsisoneofthemajordisciplinesinsolarphysics.Vigorousmagnetohydrodynamicprocessistakingplaceinthesolarconvectionzoneandatmosphere.Itcontrolsthegeneratingandstructuringofthesolarmagneticfields,causestheaccumulationofmagneticnon-potentialenergyinthesolaratmosphereandtriggerstheexplosivemagneticenergyrelease,manifestedasviolentsolarflaresandcoronalmassejections.Nowadaysdetailedobservationsinsolarastrophysicsfromspaceandonthegroundurgeagreatneedforthestudiesofmagnetohydrodynamicsandplasmaphysicstoachievebetterunderstandingofthemechanismormechanismsofsolaractivity.Ontheotherhand,thespectacularsolaractivityalwaysservesasagreatlaboratoryofmagnetohydrodynamics.Inthisarticle,wereviewedafewkeyunresolvedproblemsinsolaractivitystudiesanddiscussedtherelevantissuesinsolarmagnetohydrodynamics.

简介：Basedoncleardefinitionsofmajorconceptsanddrawingonnationallyrepresentativeandtimelydata,thispaperdepictstheprocessoffamilizationofmigration.Findingssuggestthatbothnon-familymigrationandfamilymigrationco-exist,andthatmembersofnuclearfamilytendtoarriveattheplaceofdestinationsequentially.However,suchnationalpatterndisguisesregionaldifferences:ithasbeendiscoveredthatcentralprovincesandinter-prefecturemigrationareassociatedwithahigherproportionoffamilymigration,afewertimesandshortertimespanforallfamilymembertoreunion,whileineastandwestprovinces,thepatternistheopposite.Thelowerproportionoffamilizationofmigrationinmoredevelopedareasmayreflectahigherthresholdforfamilyreunionandexpensivelivingcost,preventingfamilyreunioninreceivingsociety,whileinadequeateresourcesinunderdevelopedareasdiscouragemigrantstobringinfamilymemberstotheplaceofdestination.

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简介：摘要：随着我国经济高速发展，我国的汽车工业也快速的发展，白车身焊接车间作为汽车生产制造最重要的环节之一，对提高生产质量，缩短生产周期有着迫切的需求。基于此，本文以汽车白车身焊装工艺为研究对象，介绍了 Tecnomatix公司开发的 Process Designer、 Process Simulate软件及工艺分析新思路。

简介：Inthispaper,anewprocesstofabricateanelectromagneticsteppingmicromotorusingsurfacescarificiallayertechnology(SSLT)isillustrated,andtheSEMphotoofthesteppingmicromotorisshowed.Thetorqueofthesteppingmicromotorwithmaxsimumtorqueof60μNmisdirectlycalculatedbyusingelectromagneticslawsandthelawofconservationofenergy.ThestatorandtheshaftandtherotorofthemicromotorwiththematerialofnickelarefirstallfabricatedbynormalLIGAprocessatthesametime.ThesacrificiallayerstructurewiththematerialofAZresistismadeonthesurfaceoftherotorbyusingSSLT.ThestatorandtheshaftarefixedtogetherwithcoppersubstrateinsteadoftheoldTisubstratebyelectroplating.AfterremovingtheTisubstrate,PMMAresistandthesacrificiallayerstructure,therotorisseparatedfromthestatorandnewcoppersubstrate,andcanrotateonthenewsubstratedrivenbymagneticforce.Thefourcoilswith300turnseacharewoundonironbarsbyhandusingmicroscopeandsteppingmotor.Thebarsareassembledbyhandintothestatorholesfromrearofnewcoppersubstratetofromamagneticcircuitwiththestatorandtherotor.Apowersupplywithfourconsecutivepulsesprovidesthecurrentforthecoilswoundontheironbarsadnproducesthemagneticforcetodrivetherotortorunwiththespeedof60rpm.

简介：recycledemetallating过程上的发展和研究被介绍。它证明recycledemetallating进程在在重原油移开金属元素上是有效的，特别关于钙，在推迟的coking联合起来的通过商业的申请。最后，在石油焦炭的灰分含量能被减少到不到0.5%，它遵循1B焦炭标准。同时，recycledemetallating进程是环境结盟友好技术，它在生产质量和设备腐蚀上有小效果。

简介：Thispaperreviewsmainproblemsofdomesticrefractories,intermsofthestructure,principle,performanceandnewtheoryofautomaticcontrol,suchasmoderncontrol,fuzzycontrol,artificialneuralnetwork,andexpertsystem.AdvancedequipmentusedinRHIDalianPlantisintroduced,aswellasqualitycontrolandguaranteeinEurope.SometopicstoupgradeChineserefractoryindustryarediscussed.