简介：磁性的珍珠的使液化行为上的外部磁场的影响的试验性的研究被执行。磁性的珍珠是主要由从研磨的煤燃烧从大量的发电厂苍蝇灰被恢复的Fe2O3组成的氧化铁的一张磁性的表格。由于它的丰富，低价格和物理的详细规格和化学性质，磁性的珍珠能被用作重媒介因为矿物质或稳固的废物基于密度差别弄干分离。这份报纸介绍磁性的珍珠的性质并且把磁性的珍珠fluidised病床操作的表演与或没有一个外部磁场作比较。试验性的结果证明一个外部磁场显著地改进象一致性和稳定性那样的磁性的珍珠的使液化表演。

简介：Theworldhasbecomehighlydependentonreliablerefrigerationtechnology.Withoutit,ourfoodsupplywouldbestillseasonalandlimitedtolocallyproducednonperishableitems;comfortablelivingconditionsviaclimatecontrolwouldbeimpossible;andcertainmedicaladvancements,e.g.MRIdiagnostics,organtransplantation,organandtissuecryo-storage,andcryo-surgerywouldbeimpossible.

简介：Physicalandchemicalpropertiesofthemagneticnanoparticlescoatedwitholeatehavebeeninvestigatedbymeansoftransmissionelectronmicroscopy(TEM),thermogravimetricanalysis(TGA),Mossbauerspectroscopy,superconductingquantuminterferencedevice(SQUID)magnetometry,infraredspectra(IR)andthecontactangledevice.TheresultsshowthatdopedAlionsinFe3O4nanoparticlesarelocatedontheoctahedralsitesofthespinelstructure.Oleateiscoatedonthemagneticnanoparticleswithtwolayersbychemicalabsorbing,theouterlayercanbewashedaway.Thewettingofthesurfaceofmagneticnanoparticlescoatedwithmonolayerhasbeenchangedfromhydrophilicitytohydrophobicity,andthenanoparticlescanbedispersedverywellinsomeorganicsolutions.

简介：增加的证据证明磁场和磁性的应答的脚手架能在支持骨头修理和新生起唯一的作用。这篇文章在situ在骨头新生上响应外部磁场探讨磁性的脚手架的synergistic效果。另外，使用在骨头的工具植入固定，本地药交货和干细胞区别的mimicking微型环境的磁性的脚手架的探索被介绍。我们也在骨头修理和新生讨论了磁性的应答的脚手架的可能的内在的机制和观点。

简介：Ininversemicroemulsion,rareearthferrite/polyacrylamidemagneticmicrospherewerepreparedandtheirmagneticresponsibilitywerestudiedbymagneticbalance.Resultsindicatethatthemagneticresponsibilityofmicrosphererelatestomagneticmomentofrareearthion,anditcanbeimprovedbytheadditionofdysprosiumionofhighmagneticmoment.Dysprosiumcontenthasaneffectonmagneticresponsibilityofdysprosiumferrite/polyacrylamidemagneticmicrosphere.ThemicrospheredisplaysstrongmagneticresponsibilitywhenthemolarratioofDy3+/ironis0.20.

简介：这份报纸有关磁性的nanoparticles的化学合成和磁性的nanofluids的各种各样的类型的准备考察一些最近的结果。在磁性的nanofluids的外部磁场的结构的性质和行为将在没有漏的旋转封口并且在生物医学的应用与与他们的使用的关系被强调。

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简介：Inrecentyears,pulsemagneticstimulationtechniquehasbeenpaidmoreandmoreattentionbythepeopleengagedinnoninvasivediagnosisandtherapywork.Comparedwithelectricstimulation,ithastheadvantagesofbeingnoninvasive,pain-lessandsafe,andhasbeenusedtoexamineandtreatdisordersofnervesystemsuc-cessfully.Applicationinotherfieldsisstillachallengetomanyresearchers.Wehave

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简介：AnewcombinedFermi,betatron,andturbulentelectronaccelerationmechanismisproposedininteractionofmagneticislandsduringturbulentmagneticreconnectionevolutioninexplosiveastrophysicalphenomenaatlargetemporal-spatialscale(LTSTMR),theratioofobservedcurrentsheetsthicknesstoelectroncharacteristiclength,electronLarmorradiusforlow-βandelectroninertiallengthforhigh-β,isontheorderof10^10–10^11;theratioofobservedevolutiontimetoelectrongyroperiodisontheorderof10^7–10^9).Theoriginalcombinedaccelerationmodelisknowntobeoneofgreatestimportanceintheinteractionofmagneticislands;itassumesthatthecontinuouskinetic-dynamictemporal-spatialscaleevolutionoccursastwoseparateindependentprocesses.Inthispaper,wereconsiderthecombinedaccelerationmechanismbyintroducingakinetic-dynamic-hydrofull-coupledmodelinsteadoftheoriginalmicro-kineticormacro-dynamicmodel.Weinvestigatedifferentaccelerationmechanismsinthevicinityofneutralpointsinmagneticislandsevolution,fromthestageofshrinkandbreakupintosmallerislands(kineticscale),tothestageofcoalescenceandgrowthintolargerislands(dynamicscale),tothestagesofconstantandquasi-constant(contracting-expanding)islands(hydroscale).Asaresult,wegiveforthefirsttimetheaccelerationefficienciesofdifferenttypesofaccelerationmechanismsinmagneticislands’interactionsinsolaratmosphereLTSTMRactivities(pico-,10^–2–10^5m;nano-,10^5–10^6m;micro-,10^6–10^7m;macro-,10^7–10^8m;large-,10^8–10^9m).

简介：Anultrasensitivemagneticfieldsensorbasedonacompactin-fiberMach–Zehnderinterferometer（MZI）createdintwin-corefiber（TCF）isproposed,anditsperformanceisexperimentallydemonstrated.AsectionofTCFwassplicedbetweentwosectionsofstandardsingle-modefibers,andthenamicrochannelwasdrilledthroughonecoreoftheTCFbymeansoffemtosecondlasermicromachining.TheTCFwithonemicrochannelwasthenimmersedinawater-basedFe3O4magneticfluid（MF）,formingadirectcomponentofthelightpropagationpath,andthensealedinacapillarytube,achievingamagneticsensingelement,whichmergestheadvantagesofanMZIwithanMF.Experimentswereconductedtoinvestigatethemagneticresponseoftheproposedsensor.Thedevelopedmagneticfieldsensorexhibitsalinearresponsewithinameasurementrangefrom5to9.5mTandanultrahighsensitivityof20.8nm/mT,which,toourbestknowledge,is2ordersofmagnitudegreaterthanotherpreviouslyreportedmagneticsensors.Theproposedsensorisexpectedtooffersignificantpotentialfordetectingweakmagneticfields.

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简介：Exoticquantumspinliquid(QSL)statesandfractionalizedquasiparticlesinfrustratedmagnetsareofmuchcurrentinterestintheoreticalandexperimentalstudiesofquantummagnetism.Thekagome-latticeHeisenbergantiferromagnet(KAFM)providesapossiblerealizationofjustsuchnoveltopologicalstatesofmatter.ThekagomelatticeshowninFig.1isoneofelevenArchimedeanlatticesintwospatialdimensions,wherethewordkagomeitselfmeansuweavepattera"inJapanese.

简介：Magneticforcetransmissionofareciprocatingmotionisstudiedbytheoreticalanalysisandexperiment.Amathematicalmodelforcalculatingthemagneticforceisderivedusingthetheoryofequivalentmagneticcharges.Anexperimentalrigisconstructedtotestthetransmissionandthemodelisverifiedbyexperiment.Effectofthetransmissionparametersonthemagneticforceisanalyzedtheoreticallyfromthemodel,andcharacteristicofthetransmissionisstudiedexperimentally.Sincethetransmissioniswithoutdirectcontactbetweentwoelements,itissuitableforapplicationinanorganism.

简介：Magneticpropertiesandmagnetocaloriceffects(MCEs)ofthePrSicompoundwerestudied.ThePrSicompoundundergoesasecond-orderferromagnetic-to-paramagnetictransitionattheCurietemperatureofTC=52K.LargeMCEwithnomagnetichysteresislossisobservedaroundTC.Themaximumvaluesofmagneticentropychange(DS)arefoundtobe-8.6and-15.3Jkg-1K-1forthemagneticfieldchangesof0–2Tand0–5T,respectively.ThelargeDSwithnohysteresismakesPrSicompoundacompetitivecandidateformagneticrefrigerant.

简介：XPS(X光检查光电子光谱学)分光计EscA-750被用来分析激活的碳，磁性的试剂和磁性的激活的碳的表面特性。他们的C原子价的分发和变化是坚定的。结论是磁性的试剂能化学上在激活的碳的表面上被吸附。在微观结构的磁性的试剂的吸附的机制的解释被讨论。

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简介：Energytransmissionefficiencyinthemagneticpulsegeneratorsvarieswithsaturatedtimeofmagneticswitch.Anoptimalmatchingtimeexistsanddependsonthecompressionratio,underwhich,theenergytransmissionefficiencycanreachapproximate100%.Theequationofrequiredmagneticcorevolumeisobtainedbytakenintoaccounttheoptimalmatchingmode.Itindicatesthatagreatreductiononthevolumeisfeasibleundertheoptimalmatchingmode.Thecircuitsimulationcode-PSPICEisalsointroducedtosimulatea3-stagemagneticpulsecompressor,andtheresultsareinaccordancewiththoseofequivalentcircuitanalyses.

简介：Anisotropicpowderwaspreparedwithprecursor(NdDy)-(FeCoNbCu)-Bsinteredmagnetsbyhydrogendecrepitation,desorption,andsubsequentannealingtreatment.Thehydrogendesorptionwasperformedinmagneticfieldsof0,1,3,and5T.Theorientationoftetragonalphasegrainsofthepowderwasevaluatedfromthehysteresisloopsmeasuredbyextractionmagnetometer.Residualhydrogencontentofthepowderwasevaluatedbythermal-magneticanalysis.ThepowderwithHcj,Br,and(BH)maxof1138kA·m-1,1.029T,and172.5kJ·m-3,respectively,wasachievedundertheconditionofthemagneticfieldof3T.Magneticpropertiesofthepowder,especially,theremanenceofthepowder,areenhanceduponmagneticfields,whichisduetobetterorientationofpowderparticlesandlessresidualhydrogeninthepowderresultedfromthemagneticfieldduringthehydrogendesorptionprocess.