简介：砍越过内部核心边界的速度和密度对比为学习深地球动力学，geodynamo和地磁气的进化是必要的。在以前的研究，在短距离和更全体的PKiKP/P的PKiKP/PcP的振幅比率距离被用来抑制shear速度和密度对比，并且砍在最高的内部核心的速度被发现比PREM预言实质地小。这里我们在场PKiKP/P振幅比率的大数据集为80的距离范围在阿拉斯加在ILAR数组在420个地震记录上测量了？？

简介：到一架飞机上的起始的内部核心的结构的TC增强和轨道的敏感用一个数字模型被调查。结果证明有大内部核心的风(CVEX终止)的旋涡与小内部核心的风(CCAVE终止)比那经历更早的增强，但是他们将近在旋转起来以后有一样的增强率。在早阶段，与表面热流动联系的对流房间主要在CVEX终止在内部核心的区域以内被限制，而在CCAVE终止的旋涡与大多数由于效果在外部核心的区域被开始到东北的对流旋涡展出更加不对称的结构。在CVEX终止的大内部核心的惯性的稳定性能从到动能的对流加热在变换推动高效率。另外，在在主要eyewall外面的内部核心的区域的许多更强壮的拉紧变丑和PBL不平衡比在CCAVE终止，它在CVEX-EXP.对快速的axisymmetrization和早增强导致在CVEX终止的TC轨道在整个集成支撑向西北的排水量的在CVEX终止在起始的发展阶段期间续起，而当不对称的结构是主导的时，在CCAVE终止的TC经历向东北的反弯。由于到在CCAVE终止的TC中心的东北的提高的不对称的传送对流，一双第二等的旋回在大规模主要旋回形式以内嵌入，它调制通风流动并且因此驾驶TC移动向东北。

简介：Inthispaper,wetakeDLW3101coreobtainedatthetopofthecanyon(nolandslidearea)andDLW3102coreobtainedatthebottomofthecanyon(landslidearea)onthenortherncontinentalslopeoftheSouthChinaSeaasresearchobjects.ThechronostratigraphicframeworkoftheDLW3101coreandelementalstrataoftheDLW3101coreandtheDLW3102coresinceMIS5areestablishedbyanalyzingoxygenisotope,calciumcarbonatecontent,andX-RayFluorescence(XRF)scanningelements.Onthebasisoftheinformationobtainedbyanalyzingthesedimentarystructureandchemicalelementsinthelandslidedeposition,wefoundthattheDLW3102coreshowsfourlayersofsubmarinelandslides,andeachlandslidelayerischaracterizedbyhighSi,K,Ti,andFecontents,therebyindicatingterrigenousclasticsources.L1(2.15–2.44m)occurredinMIS2,whichisaslumpsedimentarylayerwithasmallslidingdistanceandscale.L2(15.48–16.00m)occurredinMIS5andisadebrisflow-depositedlayerwithascaleandslidingdistancethataregreaterthanthoseofL1.L3(19.00–20.90m)occurredinMIS5;itsupperpart(19.00–20.00m)isadebrisflow-depositedlayer,anditslowerpart(20.00–20.90m)isaslidingdepositionlayer.ThelandslidescaleofL3islarge.L4(22.93–24.27m)occurredinMIS5;itsupperpart(22.93–23.50m)isaturbidsedimentarylayer,anditslowerpart(23.50–24.27m)isaslumpsedimentarylayer.ThelandslidescaleofL4islarge.

简介：Thermodynamicpropertiesandphasediagramsofamixedspin-(1,2)Isingferrimagneticsystemwithsingleionanisotropyonhexagonalnanowirearestudiedbyusingeffective-fieldtheorywithcorrelations.Thesusceptibility,internalenergyandspecificheatofthesystemarenumericallyexaminedandsomeinterestingphenomenainthesequantitiesarefound.TheeffectoftheHamiltonianparametersonphasediagramsareexaminedindetail.Besidessecond-orderphasetransition,linesoffirst-ordertransitionandtricriticalpointsarefound.Inparticular,wefoundthatforsomenegativevaluesofsingle-ionanisotropies,thereexistfirst-orderphasetransitions.

简介：Understandingbendlossinsingle-ringhollow-corephotoniccrystalfibers(PCFs)isbecomingofincreasingimportanceasthefibersenterpracticalapplications.Whilepurelynumericalapproachesareuseful,thereisaneedforasimpleranalyticalformalismthatprovidesphysicalinsightandcanbedirectlyusedinthedesignofPCFswithlowbendloss.Weshowtheoreticallyandexperimentallythatawavelength-dependentcriticalbendradiusexistsbelowwhichthebendlossreachesamaximum,andthatthiscanbecalculatedfromthestructuralparametersofafiberusingasimpleanalyticalformula.Thisallowsstraightforwarddesignofsingle-ringPCFsthatarebend-insensitiveforspecifiedrangesofbendradiusandwavelength.Italsocanbeusedtoderiveanexpressionforthebendradiusthatyieldsoptimalhigher-ordermodesuppressionforagivenfiberstructure.

简介：一个332厘米的长湖的核心在西藏的高原的中央南部的部分在Nam公司被钻。从核心，ostracods的15种类(甲壳纲：Ostracoda)，它属于6个类被识别了。根据o的变化

简介：10月8—12日,SDN世界大会在荷兰海牙隆重召开,中兴通讯携5GCommonCore解决方案亮相展会,中兴通讯虚拟化首席科学家屠嘉顺以“EvolutionofCommonCorefor2G/3G/4G/5G”为主题,分享了中兴通讯核心网云化之路的关键技术,阐述了如何帮助运营商建设更加高效、先进、敏捷的融合核心网,最大化实现网络价值。屠嘉顺表示,中兴通讯将在2019年第一季度首发商用2G/3G/4G/5G/FixedCommonCore,该方案基于最新的3GPPR15SBA架构,通过转控分离、架构融合、分布式资源池、网络切片等技术,帮助运营商快速构建敏捷高效融合核心网,满足2G/3G/4G/5G/Fixed以及垂直行业等各种应用场景,助力运营商顺利进行数字化转型和5G演进。

简介：Theeast-westlocationchangeoftheEastAsianwesterlyjet(EAWJ)at200hPaduringMeiyuandtheassociatedspatialdistributionvariationofprecipitationinthemiddle-lowerreachesoftheYangtzeRiver(MLYR)areinvestigatedbyusingthe40-yrNCEP/NCAR(NationalCentersforEnvironmentalPrediction/NationalCenterforAtmosphericResearch)pentadmeanreanalysisdataanddailyprecipitationobservationdatafrom1958to1997.Theresultsshowthattherearetwoareasoverwhichthe200-hPaEAWJcenterappearsmostfrequentlyduringtheMeiyuperiod:oneisthewesternPacific(WP)andtheotheristheEastAsiancontinent(EAC).DuringtheMeiyuperiod,thewesterlyjetovertheEACisweak,andthecoreofthewesterlyjetovertheWPsplitsupwithreducedintensityanddisappearsbytheendofMeiyu.ThechangesinthelocationandintensityofthewesterlyjetareassociatednotonlywiththestartingandendingdatesofMeiyu,butalsowiththespatialdistributionandintensityofprecipitationintheMLYR.ItisfoundthatwhenthewesterlyjetcoreintheuppertroposphereislocatedovertheWPandiscoupledwithan850-hPasouthwesterlyjet,heavyprecipitationaccompaniedbystrongconvergenceandplentysupplyofwatervapor,occursinthelowerreachesoftheYangtzeRiver.Ifthe200-hPawesterlyjetcoreislocatedovertheEAC,andwithoutan850-hPasouthwesterlyjet,onlyweakprecipitationoccursintheMLYR.Therefore,thelongitudinallocationoftheEAWJcoreplaysanimportantroleindeterminingtheupper-tolower-levelcirculationstructureandthespatialdistributionofheavyprecipitationintheMLYRduringtheMeiyuperiod.

简介：Themulti-stagegeologicalevolutionandextensivecontinentaldeformationsduringthecourseofitshistorymaketheCentralAsianmetallogenicregion(CAMR)auniqueandcomplicatedlarge-scalemetaldomain.Newgeologicalobservationsandpreciseage-dataallowanimprovedreconstructionofthegeologicalevolutionoftheCAMR.ThispapersummarizesthePaleozoicorogenicevolutionandrelatedoreformationinthecorepartoftheCAMRbasedonthegeologicaldatapublishedbothduringtheSovietperiodandthelastdecades.Fourore-formationprovinces(Altay,BalkhashJunggar,Chu-Yili-Tianshan,andSouthwestTianshan)couldbeclassified.TheBalkhash-JunggarandChu-Yili-Tianshanprovincesarethemajortopicsofthispaper.TheBalkhash-Junggarprovinceconsistsof4hugeore-formingbelts(Zharma-Saur,Tarbahtay-Xiemistay,Aktogay-Baerluke,BalkhashwesternJunggar)with11largeore-collegeareas.TheChu-Yili-Tianshanprovinceconsistsof4hugeore-formingbelts(Alatau-Sairimu,Chu-Yili-Bolehuole,Issyk-Awulale,Kazharman-Nalaty)with22largeore-collegeareas.Formationoflargeore-collegeareacorrespondstoaspecificstageofcontinentalcrustgrowth.ComparisonofgeologyandoredepositsintheCAMRprovidesrichinformationforfutureexplorationandunderstandingofore-formingprocesses.ThePaleo-JunggarOceanclosedatEarlyDevonianintheBalkhash-westernJunggarore-formingbelt.Afterwards,widespreadvolcanic-sedimentaryrocksformedatextensionalstageduetodelaminationofthethicklowercrustformedduringpreviousaccretionaryprocesses.FelsicmagmaintrusioncausedformationofporphyryCu-Audepositat~310Maandrelatedhydrothermalgolddepositsabout10Malater.Forexample,intheHatu-Baobei-SartohayAu-Crore-collegeareaintheBalkhash-westernJunggarore-formingbelt,smallgranitictodioriteplutonsandvariousdykes(312–277Ma)andlargegranitebodies(~300Ma)intrudedintotheDevoniantoEarlyCarboniferousvolcano-sedimentarybasin.Thesemagmaticactivities

简介：Theeffectofthefacethicknesstocoreheightratioondifferentmulti-layerpyramidalcoresandwichcolumnsunderin-planecompressionisinvestigatedtheoreticallyandnumerically.Numericalsimulationisingoodagreementwiththeory.Resultsindicatethatonespecifiedfacethicknesstocoreheightratiocorrespondstooneoptimumlayernumberofmulti-layerpyramidalcoresandwichcolumnsinconsiderationofengineeringapplication.Thisresultcanguidethesandwichstructuredesign.

简介：Thenanoscaletitaniacoatedsilicawaspreparedviaatwo-stepprecipitatingapproach,wherethenanoscalesilicanucleiwerefirstpreparedbypassinganaqueoussolutionofsodiumsilicatethroughanion-exchangeresinbed,thencoatedwiththeprecipitationfromhydrolyzedbutyltitanateinanethanol-hexanemixtureatalowpHvalueinthepresenceofpoly(ethyleneoxide)polyaminesalt(PPA)atahightemperatureof90℃.Inthesecond-stepprecipitatingprocess,thespontaneouslyprecipitatedtitaniashellonthesilicanucleiwasstabilizedinthesuspensionsolutionwiththehelpoftheadsorptionofPPAontheparticles.Apossibleprecipitatingmechanismwassuggested.Furthermore,theamorphoustitaniashellcouldundergocrystallizationfromtheamorphoustotheanatasestructureatahightemperatureof650℃,andafurtherphasetransitionfromtheanatasetotherutilestructureinthedifferentsinteringprocessesatarisingtemperatureof750℃.

简介：

简介：Inthispaper,weinvestigatetheproblemofasize-constrainedk-coregroupquery(SCCGQ)insocialnetworks,takingbothuserclosenessandnetworktopologyintoconsideration.Morespecifically,SCCGQintendstofindagroupofhusersthathasthehighestsocialclosenesswhilebeingak-core.SCCGQcanbewidelyappliedtoeventplanning,taskassignment,socialanalysis,andmanyotherfields.Incontrasttoexistingworkonthek-coredetectionproblem,whichaimstofindak-coreinasocialnetwork,SCCGQnotonlyfocusesonk-coredetectionbutalsotakessizeconstraintsintoconsideration.Althoughtheconventionalk-coredetectionproblemcanbesolvedinlineartime,SCCGQhasahighercomplexity.TosolvetheproblemofSCCGQ,weproposeaBlastScatter(BS)algorithm,whichappointsthequerynodeasthecentertobeginoutwardexpansionsviabreadthsearch.Ineachoutwardexpansion,BSfindsanewcenterthroughagreedystrategyandthenselectsmultipleneighborsofthecenter.TospeeduptheBSalgorithm,weproposeanadvancedsearchalgorithm,calledBoundedExtension(BE).Specifically,BEcombinesaneffectivesocialdistancepruningstrategyandatightupperboundofsocialclosenesstoprunethesearchspaceconsiderably.Inaddition,weproposeanoffiinesocial-awareindextoacceleratethequeryprocessing.Finally,ourexperimentalresultsdemonstratetheefficiencyandeffectivenessofourproposedalgorithmsonlargereal-worldsocialnetworks.

简介：Thestructureandkineticsofthecomplexformedbyhyaluronicacid(HA)andpoly(L-lysine)(PLL)werestudiedbytimeresolvedlaserlightscattering,TEM,andAFM.BecauseHAhasahydrophilicbackbone,thecomplexesformedbyHAandPLLaredifferentfromthoseformedbyoppositelychargedpolyelectrolytesbothhavinghydrophobicbackbones.Insteadofformingstrongaggregatesandevenprecipitates,thecomplexinthepresenceofexcessHAisstableinthestudiedtimeperiod.Moreimportantly,thecomplexspontaneouslyformscore-coronastructurebytherearrangementofHAchains.ThecoreiscomposedofcomplexrichofPLLandthecoronaismainlyHA.FurtheranalysisshowsthatthehydrogenbondformedbyHAcreatesabarrierhinderingthefurtherrelaxationofHAchains.Theautomaticformationofcore-coronastructurebyPLL/HAishelpfulnotonlytounderstandtherelaxationofpolyelectrolyteincomplex,butalsotodevelopdrugcarrierswithdesirableproperties.

简介：

简介：Weproduceamaximum1.45Wlaseroutputat1064nmusinganeodymium-dopedsilicateglassfiberthathasarectangularcorewithdimensionsof~6.3μm×31.5μm.Themeasureddivergenceanglesoftheoutputlaserintwodimensionsare3.22°and1.76°,respectively.Theoutputpowerisstableandlimitedonlybytheavailablepumppower.

简介：Photoniccrystalfibers(PCFs)withasteppedraised-coreprofileandonelayerequallyspacedholesinthecladdingareanalyzed.Usingeffectiveindexmethodandconsideringaraisedsteprefractiveindexdifferencebetweentheindexofthecoreandtheeffectiveindexofthecladding,weimprovethecharacteristicparameterssuchasnumericalapertureandV-parameter,andreduceitsbendinglosstoaboutonetenthofaconventionalPCF.ImplementingsuchastructureinPCFsmaybeonestepforwardtoachievelowlossPCFsforcommunicationapplications.

简介：cladding基础的有效索引在photonic水晶纤维(PCF)的充满空间的模式被有效索引方法模仿。有纤维的结构参数的有效索引的变化被完成。第一次，有核心的折射索引的做Yb3+的PCF的V参数的关系和纤维的结构参数被提供。有在核心的7和19个失踪的空气洞的大核心的做Yb3+的photonic水晶纤维的单个模式的特征被分析。有50m，100m和150m的核心直径的大核心的单个模式的做Yb3+的photonic水晶纤维被设计。结果为纤维的设计和制造提供理论说明。

简介：ThestudywasconductedtoevaluateeffectofratiooffacetocoreparticlesonmechanicalandphysicalpropertiesoforientedstrandboardproducedfromEthiopianhighlandbamboo.Three-layeredorientedparticleboardsweremanufacturedwith4proportionsoffacetocoreparticlesat750kg/m~3targetdensity.Tenpercentureaformaldehyderesinwasusedasabinder.StrengthanddimensionalstabilityperformancesofallboardswereassessedbasedonISOstandards.Theresultsshowedthatmodulusofrupture...

简介：一个核心集合的开发能在庄稼改进程序提高germplasm集合的利用并且简化他们的管理。适当采样策略的选择是一个重要前提与适当尺寸构造一个核心集合以便足够地代表基因光谱并且最大地在可得到的庄稼集合捕获基因差异。现在的学习被开始构造嵌套的核心集合决定适当样品尺寸基于15个量的特点和2262米饭就职的34个质的特点代表米饭landrace收集的基因差异。结果显示出50225个嵌套的核心集合，其采样率是2.2%9.9%，是足够的维持起始的集合的最大的基因差异。这些，150就职(6.6%)能捕获起始的收集的最大的基因差异。三种数据类型，即质的特点(QT1)，量的特点(QT2)和综合质、量的特点(QTT)，在基于与逐步的聚类相结合并且在调整欧几里德几何学的距离上比较喜欢采样的加权的对组一般水准方法构造核心集合为他们的效率被比较。每个联合计划构造了八个米饭核心集合(225，200，175，150，125，100，75和50)。结果证明QTT数据是在构造由核心集合的基因差异显示了的一个核心集合的最好。仅仅在QT1的信息上构造的一个核心集合不能有效地代表起始的收集。QTT应该一起被使用构造一个生产核心集合。