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简介:Theeffectsofrefractoriesofquartz-corundunconsistingof45mass%quartzand55mass%corundum,fusedcorundumandfusedmagnesiaonthetotalaxygencontent(TOC)andthecompositionofinclusionsininterstitialfree(IF)steelwerestudied.3mass%microsilicawasaddedintothethreerefractoriesasbinder.Therefractorieswereshapedasliningofthegraphitecruciblebycastablemethod.IFsteelwasplacedinthecrucibles,thentheywereheatedat1600℃for90minand45minrespectively.Oxygencontentsofthesteelsampleswereobtainedbyaxygendeterminator.InclutsionswereanalyzedbySEMandEDS.TheresultsshowthattheTOCofsteelincreasedwithincreaseofIndexofOxygenPotential(IOP)oftherefractories.ThesteelsamplecopedwithMgOrefractorieshavingthelowestIOPhasthelowestTOC.
简介:Studiesoforganicinclusionsfromtheoffshoreoilandgasfieldsprovidemuchinformationaboutthenumberoftimes,temperature,depth,timeandphasestateofoil-gasmigration,aswellasaboutthecompositionoforganicinclusions.Onthebasisofthetype,character,compositionanddistributionoforganicinclusionsintheZhu-ⅢDepressionatthePearlRiverMouth,informationcanbedevelopedaboutthesourcerocksofoilandgas,andtheirevolutionandmigration.
简介:Inthispaper,theelasticfieldoftheinfinitehomogeneousmediumwithtwocircularcylindricalinclusionsundertheactionofascrewdislocationisin-vestigatedandthecorrespondinganalyticalsolutionisobtained.Here,theconformalmappingandthetheoremofanalyticalcontinuationareused.Fromtheresultsob-tained,itcanbeseenthattheelasticfielddependsontheshearmoduliofindividualphases,thegeometricparametersofthesystem,andthepositionandrelativeslipofthescrewdislocation.Inaddition,thecorrespondingspecificcasesarealsoconsid-eredinthispaperwhentwocircularcylindricalinclusionsaretangenttoeachotherandtheyareholesand/orrigidinclusions.Finally,numericalresultsareillustratedtoshowtheinteractionbetweenthescrewdislocationandtwocircularcylindricalinclusions.
简介:ConcernedwiththeexistenceandconvergencepropertiesofapproximatesolutiontomultivaluednonlinearmixedvariationalinclusionprobleminaHilbertspace,weestablishedtheequivalencebetweenthevariationalinclusionandthegeneralresolventequations,obtainedthreeiterativealgorithms,providedtheconvergenceanalysisofthealgorithms.Theresultsobtainedimproveandgeneralizeanumberofresentresults.
简介:Thispaperdealswiththeinitial-valueproblemofnonlinearevolutioninclusionsoftheformdB(u)/dt+A(u)f,v0∈B(u)(0),wheretheoperatorBisinducedbyasubgradientandAispseudomonotone.Existencetheoremisestablishedviathetimediscretizationtechniqueandtheregularizationmethod.Incontrasttothepreviousresults,hereweimposeaweakercoercivenessconditiononAandremovethestrongmonotonicityfromB.
简介:Theauthorsgivetheexistenceresultstothenonlineardifferentialinclusionu'(t)∈Au(t)+F(t,ut),whereAisagangratorofequicontinuoussemigroupandFismultivalued.
简介:这份报纸学习nonconvex的一个班的系统稳定性问题微分包括。起初,基本稳定性结果被优点获得局部地,Lipschitz连续Lyapunov工作。而且,一个概括不变性原则和相关吸引力条件被建议并且证明了由于凸状的缺席克服技术困难。在技术分析,新奇珍视集合的衍生物被建议处理nonsmooth系统和nonsmoothLyapunov功能。另外,获得的结果与在有常规Lyapunov功能的凸的微分包括的情况中的存在的一致。最后,解说性的例子被给显示出方法的有效性。
简介:InNo.50kimberlitepipeofFuxianCounty,LiaoningProvince,aneclogiteinclusion(nodule),whichisextremelyrareinkimberlites,wasdiscoveredandphlogopiteexsolutionlamellaewerefoundingarnetsoftheinclusion.Microscopic,TEMandenergyspectralobserva-tionsandstudiesconfirmedthattheselamellaearephlogopite.Theyarecolourlessandacicularinsection,generally0.5-5μminwidthand10-100μminlength.Nevertheless,finelamellae,0.05-0.1μmwideand1-2μmlong,arealsowelldeveloped.Along[111]ofthegarnet,threesetsofphlogopitelamellaeshoworientedarrangementapproximatelyatanglesof60°-70°,indi-catingthattheselamellaemightbetheproductofexsolutionfromgarnetasaresultofpressure-releasewheneclogiteascendedfromtherelativelydeepleveltotherelativelyshallowlevelofthemantle.Tinyacicularexsolutionminerals(orinclusions)arecommonlyfoundingarnetandpyroxeneineclogiteinclusionsofkimberlitesallovertheworldandithasbeenre-portedthattheidentifiedexsolutionmineralsincludepyroxeneandrutile.Thisisthefirsttimethatphlogopiteexsolutionlamillaewerefoundineclogiteinclusionsintheworld.
简介:Wudalianchi(五大连池)火山是有在东北中国的相当好的暴烈的风景的著名的第四级的。暴烈的岩石是有47.3wt.%的SiO2内容的电唱机碱玄岩,tephri响岩,trachyandesite,和玄武岩的trachyandesite54.2wt.%。高K2在Wudalianchi暴烈的岩石中的O内容建议他们可能分享普通钾的岩浆来源。,Wudalianchi暴烈的岩石的岩浆进化是类似的Laoheishan的新爆发产品(老黑山)和Huoshaoshan(火烧山)火山是稍微,更多比旧爆发材料演变,即,新爆发在的岩浆17191721从上述二座火山是在地下的房间的发展岩浆。Wudalianchi暴烈的岩石的主要斑晶是橄榄石,clinopyroxenes,和一些典型K富有的白榴石。各种各样形状融化包括从Laoheishan和Huoshaoshan火山的新爆发产品在橄榄石斑晶被发现。由电子,分析的微探查(EMP),SiO2的内容和全部的碱显示出一个宽范围,建议pre暴发的岩浆可能是更复杂的,或melt包括是unhomogeneous。根据EMP结果,排除的硫从这评价,这被相信新爆发比Tianchi的千年爆发的高得多(天池)火山,当时排除的氯率是比Tianchi的低的大小火山。
简介:Abundantfluid-meltinclusionsarefoundintheaegirine-augite-baritepegmatiteandcarbonatiteveinsintheMianningREEdeposit,Sichuan,Theyweretrappedinearlystagefluoriteandquartzfromasalt-meltsystemattemperatureshigherthan5000℃,Meanwhile,fluidinclusionsarealsopresentinalrgeamountsinbastnaesite.Homogenizedbetween150and270℃,theseinclusionsarethoughttoberepresentativeofthephysico-chemicalconditionsofREEmineralization.TheseresultsshowthattheMianningREEdepositisoftypicalhydrothermalorigindevelopedfromasalt-meltsystem.
简介:Inthispaper,wearedevotedtotheconvergenceanalysisofalgorithmsforgeneralizedset-valuedvariationalinclusionsinBanachspaces.Ourresultsimprove,extend,anddeveloptheearlierandrecentcorrespondingresults.
简介:Theeffectivenessofafluid-loadedsandwichedviscoelasticlayerinsuppressingacousticscat-teringandradiationhasbeenestimatedusingtheThomson-Haskellmatrixmethod.TheGU(GaunaurdandUberall)resonancetheoryhasbeenadoptedtohandlethreetypesofviscoelasticsubstrateswithair-filledin-clusions.Theeffectsofthevaryingthicknessofthesubstrates,thevolumefractionsoftheinclusionsandfre-quenciesofincidentwaveshavebeenstubbedtodeterminetheoptimalstrategiesofsignalreduction.Intheinvestigation,themonopoleresonancephenomenaoftheinclusionshavebeentakenintoaccount.
简介:Inthepresentstudy,sampleswereextensivelycollectedthroughoutthestainlesssteelmanufacturingprocess.Thethree-dimensionalmorphologyofinclusionswasrevealedbynon-aqueoussolutionelectrolysis.Thehighconcentrationofaluminuminferrosiliconcausedtheincrementof[Al]sinsteelandAl2O3ininclusions,whichledtothehighermeltingtemperatureofinclusions.ItwasconcludedthattheapplicationoflowAlferrosiliconandcalciumtreatmentcouldpreventtheformationofAl2O3-richinclusions.
简介:Inordertoutilizetheadvantageofoxidesinstainlesssteel,theformationoftitaniumnitride(TiN)andoxide(TixOy)inthe17CrsteelwasinvestigatedbythecalculationofthefreeenergyofreactionandthermodynamiccalculationwithThermo-calcsoftware.Theresultindicatesthatthecompetitivereactionbetweenthedissolved[O]andthedissolved[N]withthedissolved[Ti]inmoltensteelresultsindifferentprecipitationsequencesofTiNandTixOy.TheprimaryprecipitationofTiNrequiresalow[O]andtheprimaryprecipitationofTixOyrequiresalow[N].Theincreaseof[Ti]causesahigherprecipitationtemperatureofTiNandTixOyinbothTi-NandTi-Oalloysystems.Equilibriumrelationsof[Ti]vs[N]and[Ti]vs[O]showthatthesolubilityproductsfallwiththedecreaseofthetemperature,andthentheprecipitationoftheinclusionsbecomeseasier.IntheTi-Oalloysystem,ahigh[O]andalow[Ti]arefavorabletotheprecipitationofTi3O5,andahigh[Ti]contentandalow[O]favorabletotheTi2O3precipitation.
简介:Inthispaper,westudysomenewsystemsofgeneralizedquasi-variationalinclusionproblemsinFC-spaceswithoutconvexitystructure.Byapplyinganexistencetheoremofmaximalelementsofset-valuedmappingsduetotheauthor,somenewexistencetheoremsofsolutionsforthesystemsofgeneralizedquasi-variationalinclusionproblemsareprovedinnoncompactFC-spaces.Asapplications,someexistenceresultsofsolutionsforthesystemofquasi-optimizationproblemsandmathematicalprogramswiththesystemsofgeneralizedquasi-variationalinclusionconstraintsareobtainedinFC-spaces.