学科分类
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29 个结果
  • 简介:在这篇文章,为作为直径地小的电磁的包括的远地的察觉的一个拓扑的敏感框架被建立。在固定频率的电的远地的散布振幅的单个、多重的大小的盒子被考虑。算法的性能为定位包括以它的分辨率和敏感理论上被分析。关于测量和中等噪音的框架的稳定性被讨论。而且,signal-to-noise比率的量的结果被介绍。一些数字结果被介绍与单个、多重的大小说明建议框架的察觉能力。

  • 标签: 检测能力 灵敏度 拓扑 电磁 夹杂 散射振幅
  • 简介:Theeffectsofrefractoriesofquartz-corundunconsistingof45mass%quartzand55mass%corundum,fusedcorundumandfusedmagnesiaonthetotalaxygencontent(TOC)andthecompositionofinclusionsininterstitialfree(IF)steelwerestudied.3mass%microsilicawasaddedintothethreerefractoriesasbinder.Therefractorieswereshapedasliningofthegraphitecruciblebycastablemethod.IFsteelwasplacedinthecrucibles,thentheywereheatedat1600℃for90minand45minrespectively.Oxygencontentsofthesteelsampleswereobtainedbyaxygendeterminator.InclutsionswereanalyzedbySEMandEDS.TheresultsshowthattheTOCofsteelincreasedwithincreaseofIndexofOxygenPotential(IOP)oftherefractories.ThesteelsamplecopedwithMgOrefractorieshavingthelowestIOPhasthelowestTOC.

  • 标签: 耐火材料 空隙自由钢 氧含量 夹杂物
  • 简介:Studiesoforganicinclusionsfromtheoffshoreoilandgasfieldsprovidemuchinformationaboutthenumberoftimes,temperature,depth,timeandphasestateofoil-gasmigration,aswellasaboutthecompositionoforganicinclusions.Onthebasisofthetype,character,compositionanddistributionoforganicinclusionsintheZhu-ⅢDepressionatthePearlRiverMouth,informationcanbedevelopedaboutthesourcerocksofoilandgas,andtheirevolutionandmigration.

  • 标签: 有机包裹体 海上油气勘探 珍珠河口 形成时间 温度 移动规律
  • 简介:Inthispaper,theelasticfieldoftheinfinitehomogeneousmediumwithtwocircularcylindricalinclusionsundertheactionofascrewdislocationisin-vestigatedandthecorrespondinganalyticalsolutionisobtained.Here,theconformalmappingandthetheoremofanalyticalcontinuationareused.Fromtheresultsob-tained,itcanbeseenthattheelasticfielddependsontheshearmoduliofindividualphases,thegeometricparametersofthesystem,andthepositionandrelativeslipofthescrewdislocation.Inaddition,thecorrespondingspecificcasesarealsoconsid-eredinthispaperwhentwocircularcylindricalinclusionsaretangenttoeachotherandtheyareholesand/orrigidinclusions.Finally,numericalresultsareillustratedtoshowtheinteractionbetweenthescrewdislocationandtwocircularcylindricalinclusions.

  • 标签: two INCLUSIONS DISLOCATION INTERACTION antiplane PROBLEM
  • 简介:现在的纸的目的是在Banach空格与无限的延期调查功能的微分包括的答案的存在。阶段空间公理的一个相关集合被建议。在这份报纸使用的主要工具基于setcontraction理论是某些固定的点定理。关键词功能的微分包括-阶段空间-无限的延期-noncompactness先生(2000)题目分类34A60的措施-34K10由海南省(10102)和海南省(200208)的教育部门的自然科学基础支持了

  • 标签: 泛函微分包含 相空间 无穷迟滞 BANACH空间 泛函分析
  • 简介:ConcernedwiththeexistenceandconvergencepropertiesofapproximatesolutiontomultivaluednonlinearmixedvariationalinclusionprobleminaHilbertspace,weestablishedtheequivalencebetweenthevariationalinclusionandthegeneralresolventequations,obtainedthreeiterativealgorithms,providedtheconvergenceanalysisofthealgorithms.Theresultsobtainedimproveandgeneralizeanumberofresentresults.

  • 标签: 多值非线性变分包含 分解方程 迭代算法 存在性 收敛性 近似解
  • 简介:Thispaperdealswiththeinitial-valueproblemofnonlinearevolutioninclusionsoftheformdB(u)/dt+A(u)f,v0∈B(u)(0),wheretheoperatorBisinducedbyasubgradientandAispseudomonotone.Existencetheoremisestablishedviathetimediscretizationtechniqueandtheregularizationmethod.Incontrasttothepreviousresults,hereweimposeaweakercoercivenessconditiononAandremovethestrongmonotonicityfromB.

  • 标签: 伪单调 夹杂物 抛物 椭圆 非线性演化 初始值问题
  • 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。

  • 标签: 微分包含系统 稳定性问题 不变性原理 LYAPUNOV函数 局部Lipschitz连续 广义
  • 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.

  • 标签: ECLOGITE GARNET PHLOGOPITE EXSOLUTION LAMELLAE Liaoning
  • 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。

  • 标签: 五大连池火山 岩石地球化学 熔融包裹体 火山岩 黑龙江 托管
  • 简介:我们与nonmonotone不安为微分包括处理抗周期性病药问题。在我们的学习的主要工具是有抗周期性病药条件和最大的单调mappings的pseudomonotone不安的理论的衍生物操作员的最大的单调性质。我们然后与nonmonotone断绝把我们的结果用于进化hemivariational不平等和寓言的方程,它概括并且延长以前已知的定理。

  • 标签: BANACH空间 反周期解 微分包含 非单调扰动 应用 抛物型方程
  • 简介:Abundantfluid-meltinclusionsarefoundintheaegirine-augite-baritepegmatiteandcarbonatiteveinsintheMianningREEdeposit,Sichuan,Theyweretrappedinearlystagefluoriteandquartzfromasalt-meltsystemattemperatureshigherthan5000℃,Meanwhile,fluidinclusionsarealsopresentinalrgeamountsinbastnaesite.Homogenizedbetween150and270℃,theseinclusionsarethoughttoberepresentativeofthephysico-chemicalconditionsofREEmineralization.TheseresultsshowthattheMianningREEdepositisoftypicalhydrothermalorigindevelopedfromasalt-meltsystem.

  • 标签: 流体熔融包裹体 稀土元素矿床 矿化作用 四川 碱性岩浆
  • 简介:Theeffectivenessofafluid-loadedsandwichedviscoelasticlayerinsuppressingacousticscat-teringandradiationhasbeenestimatedusingtheThomson-Haskellmatrixmethod.TheGU(GaunaurdandUberall)resonancetheoryhasbeenadoptedtohandlethreetypesofviscoelasticsubstrateswithair-filledin-clusions.Theeffectsofthevaryingthicknessofthesubstrates,thevolumefractionsoftheinclusionsandfre-quenciesofincidentwaveshavebeenstubbedtodeterminetheoptimalstrategiesofsignalreduction.Intheinvestigation,themonopoleresonancephenomenaoftheinclusionshavebeentakenintoaccount.

  • 标签: UNDERWATER ACOUSTIC CONTROL LAMINATED VISCOELASTIC plate
  • 简介:Inthepresentstudy,sampleswereextensivelycollectedthroughoutthestainlesssteelmanufacturingprocess.Thethree-dimensionalmorphologyofinclusionswasrevealedbynon-aqueoussolutionelectrolysis.Thehighconcentrationofaluminuminferrosiliconcausedtheincrementof[Al]sinsteelandAl2O3ininclusions,whichledtothehighermeltingtemperatureofinclusions.ItwasconcludedthattheapplicationoflowAlferrosiliconandcalciumtreatmentcouldpreventtheformationofAl2O3-richinclusions.

  • 标签: 奥氏体不锈钢 夹杂物控制 O3 低铝硅铁 水溶液电解 制造过程
  • 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.

  • 标签: STAINLESS steel titanium INCLUSION PRECIPITATION t
  • 简介:Inthispaper,westudysomenewsystemsofgeneralizedquasi-variationalinclusionproblemsinFC-spaceswithoutconvexitystructure.Byapplyinganexistencetheoremofmaximalelementsofset-valuedmappingsduetotheauthor,somenewexistencetheoremsofsolutionsforthesystemsofgeneralizedquasi-variationalinclusionproblemsareprovedinnoncompactFC-spaces.Asapplications,someexistenceresultsofsolutionsforthesystemofquasi-optimizationproblemsandmathematicalprogramswiththesystemsofgeneralizedquasi-variationalinclusionconstraintsareobtainedinFC-spaces.

  • 标签: 变分包含 约束系统 FC 广义 空间 应用