简介：Nanowireshavebeenprovedtobeexcellentcandidatesforfuturenanodevicesfortheiradvantagesofbeingthesmallestchargecarrier,enablingabundantchoiceofmaterials,andrelatedsize,surfaceandquantumeffects.Nanowiresthusplayimportantroletounderstandthephysicalphenomenabetweenmacro-scaleNewtonworldandthemicro-scalequantummechanicalworld.Ourgroupisamongthefewpioneersinearly1998'sindevelopingmethodsforsynthesisofsiliconnanowires,andextendingthenanowiresynt...

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简介：在这篇论文，Nambu力学是来源的一个基本事实免费被证明。基于这个性质，并且经由延伸的想法，有限维的Nambu系统被延长到差别喷气捆。保存Nambu方程的数字方法的结构被建立。数字实验最后被介绍表明保存计划的结构的优点。

简介：Imagingsystemsinnaturehaveattractedalotofresearchinterestduetotheirsuperioropticalandimagingcharacteristics.Recentadvancementsinmaterialsscience,mechanics,andstretchableelectronicshaveledtosuccessfuldevelopmentofbioinspiredcamerasthatresemblethestructuresandfunctionsofbiologicallight-sensingorgans.Inthisreview,wediscusssomerecentprogressesinmechanicsofbioinspiredimagingsystems,includingtunablehemisphericaleyeballcameraandartificialcompoundeyecamera.Themechanicsmodelsandresultsreviewedinthisarticlecanprovideefficienttoolsfordesignandoptimizationofsuchsystems,aswellasotherrelatedoptoelectronicsystemsthatcombinerigidelementswithsoftsubstrates.

简介：Myocardialperfusioniswellcontrolledbyadjustmentofvasomotortoneofre-sistancevessels.Thestaticandsamedynamicaspectsofcoronaryflowcontrolcanwellbedescribedbyassumingfeedbackfromtissueoxygenpressuretothecoronaryvessel.Theseresistancevesselsaresmallarteriesfrom400/mandlessinarteriolesdownto10/m.Itisnotclearyethowvesselsofdifferentsizecanbeunderthecon-troloftissuefactorsandhowadaptationoftoneinlargervesselsistunedtothatofsmallerones.

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简介：Mostofgranularmaterialsarehighlyheterogeneous,composedofvoidsandparticleswithdifferentsizesandshapes.Geologicalmatter,soilandclayinnature,geostructure,concrete,etc.arepracticalexamplesamongthem.Fromthemicroscopicview,alocalregioninthemediumisoccupiedbyparticleswith

简介：Recently,intelligentorsmartmaterialsandstructureshavebeenreceivedmoreandmoreattentionduetotheirdistinguishedmulti-fieldcouplingpropertiesandwideapplicationsinaerospace,automobiles,civilstructures,medicaldevices,informationstorage,energyharvestingandsoon.Itisofacademicchallengetofullyunderstandthecomplexmulti-fieldcouplingbehaviorsofvarioussmartmaterialsandstructures,andofengineeringsignificancetoenhancetheperformanceandreliabilityofthese

简介：根据国家科学基金(NSF)主任A。Bement，鈥楾ransformative研究是承受极端地改变我们一个重要存在科学概念的理解或导致一个新范例的创造或科学的地的一个合理机会的想法驾驶的鈥?研究。鈥?被它对当前的理解的挑战也描绘或它到新边疆鈥?纳米技术的小径是如此的边疆之一。它是在强烈与原子、分子的相互作用联系的分子的水平鈥?现象的新材料，设备和系统的创造影响宏观的材料性质与显著地改进了机械、光、化学、电的鈥?性质。在2002的以前的NSF主任丽塔·科尔韦尔声明了，鈥榥anoscale技术将有一个影响平等者到工业Revolution'。超群的技术包括纳米技术，微电子学，信息技术和生物工学以及创新、支持的机械、民用的基础结构系统和材料。这些技术是二十第一个世纪和新经济的主要司机。力学是在所有超群的技术的一个必要元素。在力学研究机会，教育和挑战，包括在材料的nanomechanics，碳nano试管，启发简历的材料，燃料房间，以及改进工程和设计的试验性、数字、分析的方法在这被介绍并且讨论纸。

简介：Editor-in-chief:Chien,Wei-zang(钱伟长)ViceEditor-in-chief:Yeh,Kai-yuan(叶开沅)StandingMembers:GuoZhong-heng(郭仲衡)YangGui-tong(杨佳通)ChenZhi-da(陈至达)TanHao-sheng(谈镐生)ZhouHeng(周恒)LiHao(李灏)ChuChao-hsiang(朱兆祥)WuXue-mou(吴学谋)HsuehDah-wei(薛大为)LooWen-da(卢文达)OuyangChang(欧阳鬯)

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简介：Editor-in-chief:Chien,Wei-zang(钱伟长)ViceEditor-in-chief:Yeh,Kai-yuan(叶开沅)StandingMembers:GuoZhong-heng(郭仲衡)YangGui-tong(杨佳通)ChenZhi-da(陈至达)TanHao-sheng(谈镐生)ZhouHeng(周恒)LiHao(李灏)ChuChao-hsiang(朱兆祥)WuXue-mou(吴学谋)HsuehDah-wei(薛大为)LooWen-da(卢文达)OuyangChang(欧阳鬯)

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简介：ＥＤＩＴＯＲＩＡＬＣＯＭＭＩＴＴＥＥＯＦ＂ＡＰＰＬＩＥＤＭＡＴＢＥＭＡＴＩＣＳＡＮＤＭＥＣＨＡＮＩＣＳ＂Ｅｄｉｔｏｒ－ｉｎ－ｃｈｉｅｆ：ＣｈｉｅｎＷｅｉｚａｎｇ（钱伟长）ＶｉｃｅＥｄｉｔｏｒ－ｉｎ－ｃｈｉｅｆ：＇ＴａｎＨａｏｓｈｅｎｇ（谈镐生），Ｙｅ...

简介：-Turbulentflowisabasicformoffluidmotionwidelyobservedinnature.Inhydraulicengineering,especiallyinthestudyofsedimentmovement,turbulenceisakeyproblem.Inthispaper,basedonthestochastictheoryofwallturbulencedevelopedbytheauthorandtheresultsbyotherinvestigators,fluc-tuationandmeanstructuresanddragcoefficientforNewtoniananddragreductionflowsinallstates(laminar,transitional,turbulent)andinallregions(smooth,transitional,rough)aretheoreticallydiscussedindetail.Generallawsforlaminarandturbulentflowsobtainedbytheauthorareverifiedbytheexperimentalresultsobtainedbyothers,andthereisgoodagreementbetweenthem.

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简介：我们证明那在那里存在位于一种保角的公制、兼容的连接形式，和公制的类型Hamiltonian下面与歧管(我们把它称为几何图画)，那能被放进与平常的Hamilton-Lagrange力学的通讯。二的动态等价的要求Hamiltonians打字，momenta由二幅图画产生了相等为乘都，是足够的决定保角的因素的扩大，在几何并列表示上定义，在它有到Hamiltonian-Lagrange图画的潜力的功能决定的所有订单的系数的analyticity的领域，在Hamilton-Lagrange并列表示，和它的衍生物上定义。相反地，如果保角的功能被知道，一幅Hamilton-Lagrange图画的潜力能以一个类似的方法被决定。我们证明在Hamilton-Lagrange图画的轨道的任意的本地变化能被变化在几何图画沿着geodesics产生并且建立为理解在几何图画的不稳定性怎么在不稳定性被表明提供一个基础的通讯原来的Hamiltonian运动。

简介：Conventionalelectronicsisplanar,hard,andrigidduetotheintrinsicbrittlenatureofinorganicsemiconductormaterials(e.g.,siliconandgalliumarsenide).Themodernelectronictechnologyhastypicallybeenconcernedwithlargeorsmallbutdurableandlong-lastingelectronics.Recentlydevelopedmaterialsandmechanicsconceptsyieldunconventionalelectronicswithunique