简介：Ablationdynamicsoftungstenirradiatedwitha70fslaserpulseisinvestigatedwithX-rayinterferometryandX-rayimagingusinga13.9nmsoftX-raylaserof7pspulseduration.Theevolutionofhigh-densityablationfrontoftungsten(i.e.,W)ispresented.Theablationfrontexpandsto～120nmabovetheoriginaltargetsurfaceat160psafterfemtosecond-laserirradiationwithanexpansionspeedofapproximately750m∕s.TheseresultswillprovideimportantdataforunderstandingablationpropertiesofW,whichisacandidatematerialofthefirstwallofmagneticconfinementfusionreactors.

简介：我们与二根激光横梁调查一个单个三水平的套住的离子的相互作用。由使用单一的转变和小旋转转变，没有执行Lamb-Dicke近似，这个量系统的一个准确答案被获得，并且套住的状态被观察。

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简介：Toincreasethecompetitionofthesolarenergycollectionsystem,thesizeofthesolarpanelmoduleduringthemanufacturingprocessisbeingincreasedcontinuously.Asthesizeofthesolarpanelincreases,thesizeoftherobottohandlethepanelincreasedalso.Thechangeinscaleoftherobotinevitablyresultsintheamplificationoftheadverseeffectoftheflexure.Themainsourceoftheflexureinthelargescalesolarcellpanelhandlingsystemisthelongandthinforkfingersofthehandandthesolarcellpanel.Inaddition,thebelt-drivenactuatorsystemusedbymostofthelargescalepanelhandlingrobotisanothersignificantsourceofthevibration.Inthispaper,theflexiblemultibodydynamicmodelofalargescalesolarcellpanelhandlingrobot,whichisbeingdesignedandconstructedwiththehelpofKyungHeeUniversity,isdeveloped.Thebelt-drivensystemintherobotisalsomodeledasflexiblesystemandincludedintherobottorepresenttheactualvibrationcharacteristicsoftheactuatorsystem.

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简介：Thisstudyupdatesthesourceofinnovationtheoriesbyinvestigatingtherelationshipbetweendemand-andsupply-driveninnovationthroughastudyofafreshChinesecaseofAlipaycreditrentingplatform.Basedontheprimarydatacollectedviainterviewandfocusgroupdiscussion,aswellasthesecondarydatafromthecompany’swebsiteandmediareport,threemainfindingswereobtained.Firstofall,fromthiscase,weidentifyanunseparatedrelationshipbetweendemand-andsupply-driveninnovationandproblemsarosewhenonesideisisolatedandnotgivenfullattention.Thisaddsnewinsightstotheresearchonthesourceofinnovation.Secondly,weproposethatblueoceanstrategicalframeworkcanhelpconnectthedemandsidewiththesupplysidesandfacilitatetheinnovation.Thisprovidessomemanagerialguidelinestodealwiththechallengesasobservedinthiscase.Lastly,thispaperanalyzesthisnewrentingmodel(Alipaycreditrentingplatform)frombothlessorsandlessees’perspectives,representingthefirststudytoinvestigatethecreditrentingmarketsystematically.

简介：Modernsoftwaresystemsaresubjecttoacontinuousevolutionunderfrequentlyvaryingrequirementsandchangesinsystems＇operationalenvironments.Lehman＇slawofcontinuingchangedemandsforlong-livingandcontinuouslyevolvingsoftwaretoprolongitsproductivelifeandeconomicvaluebyaccommodatingchangesinexistingsoftware.Reusableknowledgeandpracticeshaveproventobesuccessfulforcontinuousdevelopmentandevolutionofthesoftwareeffectivelyandefficiently.However,challengessuchasempiricalacquisitionandsystematicapplicationofthereusableknowledgeandpracticesmustbeaddressedtoenableorenhancesoftwareevolution.Weinvestigatearchitecturechangelogs--mininghistoriesofarchitecture-centricsoftwareevolution--todiscoverchangepatternsthat1）supportreusabilityofarchitecturalchangesand2）enhancetheefficiencyofthearchitectureevolutionprocess.Wemodelarchitecturechangelogsasagraphandapplygraph-basedformalism（i.e.,graphminingtechniques）todiscoversoftwarearchitecturechangepatterns.Wehavedevelopedaprototypethatenablestool-drivenautomationanduserdecisionsupportduringsoftwareevolution.WehaveusedtheISO-IEC-9126modeltoqualitativelyevaluatetheproposedsolution.Theevaluationresultssuggestthattheproposedsolution1）enablesthereusabilityoffrequentarchitecturalchangesand2）enhancestheefficiencyofarchitecture-centricsoftwareevolutionprocess.Theproposedsolutionpromotesresearcheffortstoexploitthehistoryofarchitecturalchangestoempiricallydiscoverknowledgethatcanguidearchitecture-centricsoftwareevolution.

简介：Typhoon-generatedwavesaresimulatedwithtwonumericalwavemodels,theSWANmodelforthecoastalandYangtzeEstuarydomain,nestedwithintheWAVEWATCHIII(WW3)forthebasin-scaleEastChinaSeadomain.TyphoonNo.8114ischosenbecauseitwasverystrong,andgeneratedhighwavesintheEstuary.WW3wasimplementedfortheEastChinaSeacoarse-resolutioncomputationaldomain,tosimulatethewavesoveralargespatialscaleandprovideboundaryconditionsforSWANmodelsimulations,implementedonafine-resolutionnesteddomainfortheYangtzeEstuaryarea.TheTakahashiwindmodelisappliedtothesimulationoftheEastChinaSeascale(3-hourly)andYangtzeEstuaryscale(1-hourly)winds.SimulationsofsignificantwaveheightsintheEastChinaSeashowthatthehighestwavesareontherightsideofthestormtrack,andmaximatendtooccurattheeasterndeep-wateropenboundaryoftheYangtzeEstuary.IntheYangtzeEstuary,incomingswellisdominantoverlocallygeneratedwavesbeforethetyphoonapproachestheEstuary.AsthetyphoonapproachestheEstuary,windwavesandswellcoexist,andthewavedirectionismainlyinfluencedbytheswelldirectionandthecomplextopography.

简介：Thispaperpresentsapressureobserverbasedadaptiverobustcontroller(POARC)forposturetrajectorytrackingofaparallelmanipulatordrivenbythreepneumaticmuscleswithoutpressuresensors.Duetomodelerrorsofthestaticforcesandfrictionforcesofpneumaticmuscles,simplifiedaverageflowratecharacteristicsofvalves,unknowndisturbancesofentiresystem,andunmeasuredpressures,thereexistrathersevereparametricuncertainties,nonlinearuncertaintiesanddynamicuncertaintiesinmodelingoftheparallelmanipulator.Anonlinearpressureobserverisconstructedtoestimateunknownpressuresonthebasisofasingle-input-single-output(SISO)decouplingmodelthatissimplifiedfromtheactualmultiple-input-multiple-output(MIMO)couplingmodeloftheparallelmanipulator.Then,anadaptiverobustcontrollerintegratedwiththepressureobserverisdevelopedtoaccomplishhighprecisionposturetrajectorytrackingoftheparallelmanipulator.TheexperimentalresultsindicatethatthesystemwiththeproposedPOARCnotonlyachievesgoodcontrolaccuracyandsmoothmovementbutalsomaintainsrobustnesstodisturbances.

简介：W，N共同做TiO2nanoparticles被一个solgel方法综合。准备样品被X光检查衍射(XRD)描绘，域排放扫描电子显微镜学(FE-SEM)，传播电子显微镜学(TEM)，Fourier变换红外线的光谱学(英尺红外)，X光检查光电子光谱学(XPS)和弥漫的反射spectrophotometry(医生)。结果证明共同做的光催化剂是有22.5nm的最小的粒子尺寸的实质上一致的球形的粒子。比作未做的TiO2，N-TiO2和P-25，W的吸收边，N共同做转移到更长的波长的TiO2和它为在Xe灯(350W)下面的甲基橘子(瞬间)的降级的photocatalytic活动更高。

简介：根据输入的开车的率更新参数，率依赖者Prandtl-Ishlinskii(PI)模型广泛地在磁滞现象建模和赔偿被使用。以便改进当模特儿的精确性，独立以低、高的开车的率识别的二个PI模型通过一条联合法律被合并。为驾驶piezo的基于弯曲的机制，低抑制比率使使结构的颤动激动容易。作为结果，测量磁滞现象环极大地被弄歪，识别PI模型的当模特儿的精确性显著地被影响。在这份报纸，作为控制输入利用附加正弦曲线信号的一个新奇时间有效的参数鉴定方法被建议。这个方法有效地避免结构的颤动的刺激。另外，作为附加正弦曲线信号的开车的率盖住一个宽范围，为为率依赖建模要求的所有系数能通过仅仅试验性的数据的一个集合被识别。当模特儿的磁滞现象和追踪实验的轨道在2-DOF上被执行驾驶piezo的基于弯曲的机制。试验性的结果证明联合磁滞现象模型在基于弯曲的机制的全部工作范围上维持当模特儿的精确性。机制磁滞现象被反的PI模型的使用显著地作为前馈控制控制器压制；并且当一个反馈环也被合并时，更好的结果被完成。基于弯曲的机制的追踪的表演极大地被改进。

简介：在polymetallic小瘤和海底山合作富人外壳的深海的矿物质是不仅由矿化作用而且由包含微生物(biomineralization)的生物学上驾驶的过程形成了。在polymetallic小瘤以内，免费生活并且形成biofilm细菌为锰免职提供矩阵，并且在海底山合作富人外壳中，coccolithophores代表为起始的锰免职充当简历种子的主导的有机体。这些(简历)矿物质是经济地重要的：锰是一个重要alloying部件和除了被使用的特殊的钢的钴形式部分，与另外的稀罕金属一起，在血浆屏幕，硬盘磁铁和混合汽车马达。在我们在这些金属的丰富的器官的矩阵的参予的理解的最近的进步可能为biotechnological应用的可行性研究提供基础。

简介：在这份报纸，为添加剂噪音驾驶的随机的二点的边界价值问题的homotopy继续方法被学习。homotopy方程的答案的存在被证明。数字计划被构造，错误估计被获得。数字实验在象射击方法那样的另外的通常使用的方法上表明homotopy继续方法的有效性。[从作者抽象]

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简介：Westudytheleastsquaresestimationofdriftparametersforaclassofstochasticdifferentialequationsdrivenbysmallα-stablenoises,observedatnregularlyspacedtimepointsti=i/n,i=1,···,non[0,1].Undersomeregularityconditions,weobtaintheconsistencyandtherateofconvergenceoftheleastsquaresestimator(LSE)whenasmalldispersionparameterε→0andn→∞simultaneously.TheasymptoticdistributionoftheLSEinoursettingisshowntobestable,whichiscompletelydifferentfromtheclassicalcaseswhereasymptoticdistributionsarenormal.

简介：TheInternetofthing(IoT)emergesasapossiblesolutiontorealizeasmartlifeinthemodernage.Inthisarticle,wedesignandrealizeanovelnearfieldcommunication(NFC)-drivensmarthomesystemforIoT,whichintegratesthewirelesssensornetwork(WSN),socialnetworks,andthecloudcomputing.NFCtechnologyprovidesawayforuserstoexchangeinformationbetweenthemandthesystembysimplycontacting.So,weproposetouseNFCasthesystemdriveinthearchitecture,suchthatuserscanintuitivelyinteractwiththesystemanddelivertheirintentions.Then,thecorrespondingserviceoverthesystemwillcontroloradjustthe"things"athometofitusers’needs.Furthermore,theproposedsystemprovidesaplatformfordeveloperstoeasilyandrapidlyimplementtheirsmarthomerelatedservices.Inthesystem,WSNsensingandcontrol,NFCcommunicationsandidentification,userprofilemanagementandpreferenceanalysis,andsocialnetworkintegrationareallprovidedasplatformservices.Wewillshowhowthesystemworksforhomeautomation,intruderdetection,andsocialnetworksharing.

简介：这篇论文建议分析和在失衡的网络电压下面的喂得二倍地的正式就职生成器(DFIG)调节的驾驶的一台风汽轮机的一个直接力量控制(DPC)图案。在积极、否定的同步参考依据描述的一个DFIG模型被介绍。活跃的定子产量和反应力量的变化充分面对否定顺序供应电压和转子流动被推出。一个提高的DPC计划被建议在网络unbalance期间消除定子有效功率摆动。建议控制计划移开积极、否定的顺序转子电流处理的转子电流管理者和分解。用PSCAD/EMTDC的模拟结果在一个2-MWDFIG风发电系统上被介绍在平衡并且失衡的网络条件下面验证建议控制计划的可行性。

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简介：Consideringthatatpresenttheregularwavesincommonusehavetheprofilesymmetrizedtoaverticalaxis,whicharedifferentfromactualwind-drivenseawaves,andbasedonderivinglinearwave,solitarywave,fifthorderStokeswaveandstreamfunctionwavebyusingUnifiedVariationalPrincipleofWaterGravityWave(UVPWGW),thispaperderiveswind-drivenslantingprofilewavebyusingUVPWGW.Itsfeatureisthatundertheactionofwindpressure,thewaveprofileisnotsymmetrizedtoaverticalaxis,butthatitisintheforwardslantingform.

简介：non-Gaussian噪音驾驶的一个随机的消散的动态系统被调查。系统的一个一般近似佛克普朗克常数方程通过一条路径积分途径被导出。基于香农的信息熵，熵流动的准确时间依赖和系统的熵生产的定义在缺席并且面对非平衡被计算限制。现在的计算能被用来在熵流动和熵生产上解释消散的常数和non-Gaussian噪音的相互影响。