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  • 简介:重点词汇1.foldv.折叠;对折Foldthecard.折叠这张卡片。拓展unfoldv.展开2.messn.杂乱;不整洁Theroomwasinamess.这个房间杂乱不堪。"Whatamess!"shesaidaftertheparty.聚会后她说:"真是一片狼藉!"拓展inamess混乱;凌乱makeamess弄脏;搞成一团糟Thekidsmadeamessinthelivingroom.孩子们把客厅搞得一塌糊涂。3.throwv.(threw)扔;掷

  • 标签: CLEAN PLEASE 一片狼藉 party 她说 doing
  • 简介:重点词汇1.cheerv.欢呼;喝彩cheerup(使)变得更高兴;振奋起来Iwrotethatsongjusttocheermyselfup.我写那首歌是给我自己打气的。拓展cheern.欢呼声;喝彩声2.volunteerv.义务做;自愿做n.志愿者volunteertodosth自愿做某事Jackvolunteeredtocarrywater.杰克自愿去运水。Ineedonevolunteer.我需要一名志愿者。3.noticen.通知;通告;注意v.注意到;意识到

  • 标签: cheer VOLUNTEER CLEAN 我自己 decided CARRY
  • 简介:Newcarbonbondedfilterswith'activeandreactivecoatings'forhigherfiltrationefficiencyofaluminabasedinclusionsaswellasnano-engineeredfilterswithnano-scaledadditivesareexploredwiththeaidofimpingementtestsandareevaluatedaccordingtotheircoldcrushingstrengthsatroomtemperature.ThecombinationofcarbonnanotubesandaluminananosheetsadditivesleadstoinsituformationofAl3CON.Boththenanoscaledadditivesaswellastheextraalumina'active'coatingleadtoimprovedmechanicalperformanceofthecarbonbondedfiltersandopenthehorizonforfiltermacrostructureswithhigherfiltrationcapacitiesinmeansofbiggerdimensions.InafurtherstepMWCNT(multiwalledcarbonnanotubes)incombinationwithasyntheticpitchhavebeenusedasafunctionalcoatingonthesurfaceofaluminacarbonbondedfilters.Thesefiltershavethenbeenevaluatedalsowithuncoatedfiltersinaspecialcastingsimulatorandtheinteractionsbetweensteelandfilteringmaterialhavebeeninvestigated.

  • 标签: 过滤材料 相互作用 洁净钢 多壁碳纳米管 纳米氧化铝 纳米过滤器
  • 简介:Measuredhighlyelevatedgainsofproton–boron(HB11)fusion(Picciottoetal.,Phys.Rev.X4,031030(2014))confirmedtheexceptionalavalanchereactionprocess(Lalousisetal.,LaserPart.Beams32,409(2014);Horaetal.,LaserPart.Beams33,607(2015))forthecombinationofthenon-thermalblockignitionusingultrahighintensitylaserpulsesofpicosecondsduration.Theultrahighaccelerationabove1020cms-2forplasmablockswastheoreticallyandnumericallypredictedsince1978(Hora,PhysicsofLaserDrivenPlasmas(Wiley,1981),pp.178and179)andmeasured(Sauerbrey,Phys.Plasmas3,4712(1996))inexactagreement(Horaetal.,Phys.Plasmas14,072701(2007))whenthedominatingforcewasovercomingthermalprocesses.ThisisbasedonMaxwell’sstresstensorbythedielectricpropertiesofplasmaleadingtothenonlinear(ponderomotive)forcefNLresultinginultra-fastexpandingplasmablocksbyadielectricexplosion.Combiningthiswithmeasuredultrahighmagneticfieldsandtheavalancheprocessopensanoptionforanenvironmentallyabsolutecleanandeconomicboronfusionpowerreactor.ThisissupportedalsobyotherexperimentswithveryhighHB11reactionsunderdifferentconditions(Labauneetal.,NatureCommun.4,2506(2013)).

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