简介：EarthquakesofM_S5.6andM_S6.1occurredinYingjiang,YunnanonMay24andMay30,2014respectively.Inthispaper,weusethewaveformdatarecordedbymobileseismicstations(KAC)whichweresetupinthesourceareaaftertheYingjiangMS5.6earthquakeonMay24,2014tostudytheshear-wavesplittingcharacteristicsofYingjiangM_S6.1earthquakesequencewiththeSAMmethod.Theresultshowsthatpredominantpolarizationoffastshear-wavesbeforetheM_S6.1earthquakeisconsistentwiththedirectionofregionalprincipalcompressivestress,andpredominantpolarizationoffastshear-wavesbeforetheM_S6.1earthquakeshowbetterconsistencyandsmallerdispersioncomparedtoaftertheM_S6.1earthquake,andtheremaybeadeflectionforthefastshearwavespredominantpolarizationbetweentheM_S6.1earthquakesequenceandforeshocksequence.Wefoundthatthetime-delaysgenerallyexhibitedalowerlevelbeforetheM_S6.1earthquakeandarelativelyhighervalueaftertheM_S6.1earthquake.

简介：最近，数字波浪坦克成为了一个使用得广泛地的工具学习波浪以及波浪结构相互作用，并且吸收波浪的方法作为它产生的波浪的质量上的效果很重要。然而，松驰方法和导出的动量来源方法经常被利用抑制重量在计算期间是不变的并且重复试用被要求获得可接受的吸收波浪的效果。处理上述的问题，一个保存吸收波浪的方法被开发。抑制重量被解决吸收区域的集体保存方程在决定每次走。基于这个方法，一辆二维的数字波浪坦克被使用VB语言模仿这个方法的确认被评估的各种各样的波浪建立。

简介：一个拍动类型波浪精力变换器(WEC)与nearshore防波提被相结合经济地并且环境地扩展WEC的申请。基于线性潜在的理论，一个特徵函数扩大答案为暴露于正常波浪的依赖底部的拍动类型WEC的周期的排被开发。另外，粘滞效果用卷解决方案方法，一个粘滞的抑制术语在运动的方程包括了的轮船被考虑，并且粘滞的抑制表达式也被描述。建议答案被比较与出版文学验证。包括波浪精力变换效率的结果，事件波浪精力的反映并且播送的比例为波浪时期和几何比率的一个范围被介绍。更好的波浪保护效果能与在WEC之间的更小的差距被达到，这被表明，在事件波浪精力的播送比例更低的地方。最佳的几何比率因此为给定的波浪力量吸收和一个特定的波浪时期存在。

简介：Wepresentacontinuous-wavesingly-resonantopticalparametricoscillatorwith1.5%outputcouplingoftheresonantsignalwave,basedonanangle-polishedMgO-dopedperiodicallypoledlithiumniobate(MgO:PPLN),pumpedbyacommercialNd:YVO4laserat1064nm.Theoutput-coupledopticalparametricoscillatordeliversamaximumtotaloutputpowerof4.19Wwith42.8%extractionefficiency,acrossatuningrangeof1717nminthenear-andmid-infraredregion.Thisindicatesimprovementsof1.87Winoutputpower,19.1%inextractionefficiencyand213nmintuningrangeextensionincomparisonwiththeopticalparametricoscillatorwithnooutputcoupling,whileattheexpenseofincreasingtheoscillationthresholdbyafactorof～2.Moreover,itisconfirmedthatthefiniteoutputcouplingalsocontributestothereductionofthethermaleffectsincrystal.

简介：AnewtechniqueofthesynthesisofNanocrystallineDiamond(NCD)Filmsbyheliconwaveplasma(HWP)chemicalvapordepositionatroomtemperaturewasreported.ThegrowthmorphologyandtheroughnessofNCDsampleswascharacterizedusingfiledemissionscanningelectronmicroscopy(SEM-SU8010)andatomforcemicroscopy(AFM),respectively.Theresultsshowthegrowthrateofthefilmwasveryfast,about833nm/min.TypicalG,Dbands

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简介：猫哥编辑深井冰吐槽小小编辑新浪微博ID：彭一瓶正所谓土豪靠科技,屌丝靠变异。看看蝙蝠侠韦恩家族的产业,从交通运输,到建筑能源;从化工军工,到食品医药;从科研教育,到电子娱乐……韦恩财团几乎掌控了整个哥谭市的各项命脉,像这样家大业大的土豪,

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简介：Freakwaveisthecommonwavewhichhassignificantwaveheightandirregularwaveshape,anditiseasytodamageoffshorestructureextremely.TheFPSOs(FloatingProductionStorageandOffloading)sufferfromtheenvironmentloads,includingthefreakwave.Thefreakwavesweregeneratedbasedontheimprovedphasemodulationmodel,andthecouplingmodelofFPSO-SPM(SinglePointMooring)wasestablishedbyconsideringinternal-turretFPSOanditsmooringsystem.ThedynamicresponsecharacteristicsofbothFPSOandSPMaffectedbythefreakwavewereanalyzedinthetimedomain.Accordingtotheresults,thefreakwavesgeneratedbyoriginalphasemodulationmodelmainlyaffectthe2nd-orderwaveloads.However,thefreakwaveswhicharegeneratedbyrandomfrequenciesphasemodulationmodelaffectboth1st-orderand2nd-orderwaveloadsonFPSO.Whatismore,comparedwiththeirregularwaves,thedynamicresponsesofmooringsystemarelargerinthefreakwaves,butitsamplitudelagsbehindthepeakofthefreakwave.

简介：Basedonthetime-domainhigher-orderboundaryelementmethod（HOBEM）,atwo-dimensionalnumericalwaveflumeisdevelopedtoinvestigatesolitarywaveinteractionwithtworectangularboxeswithanarrowgap.Inthenumericalmodel,thefullynonlinearboundaryconditionsaresatisfiedonthefreesurface,themixedEulerian-Lagrangianmethodisadoptedtotrackthetransientwatersurfaceandthefourth-orderRunga-Kuttamethodisusedtopredictthevelocitypotentialandwaveelevationonthefreesurface.Theaccelerationpotentialtechniqueisusedtocomputethetransientwaveforcesalongthewettedobjectsurface.Apiston-typewavemakerisusedtogeneratesolitarywaves.Theproposedmodelisvalidatedbycomparingthesimulatedwaverun-upandthewaveloadswiththepublishedexperimentalandnumericalresultsofthereflectionofasolitarywavefromaverticalwall.Then,numericalexperimentsareperformedtostudytheeffectsofthenarrowgapandthesizeofeachboxonthewaverun-upsatthetwosidesofthetwo-boxsystemandinthenarrowgapbetweentwoboxes,andthewaveloadsonthetwoboxes.Theinteractionbetweendoublesolitarywaveswithatimeintervalbetweenthemwithatwo-boxsvstemisalsoinvestigated.

简介：Thequestforneuroprotectivedrugstoslowtheprogressionofneurodegenerativediseases(NDDs),includingAlzheimer'sdisease(AD),Parkinson'sdisease(PD),andHuntington'sdisease(HD),hasbeenlargelyunrewarding.Preclinicalevidencesuggeststhatrepurposingquetiapine,lithium,valproate,fluoxetine,donepezil,andmemantineforearlyandpre-symptomaticdisease-modificationinNDDsmaybepromisingandcanspareregulatorybarriers.Theliteratureofthesepsychotropicsinearlystageandpre-symptomaticAD,PD,andHDisreviewedandpropitiousfindingsfollow.Mildcognitiveimpairment(MCI)phaseofAD:salutaryhumanrandomizedcontrolledtrialfindingsforlow-doselithiumand,inselectedpatients,donepezilawaitreplication.Pre-symptomaticAD:humanepidemiologicaldataindicatethatlithiumreducesADrisk.Animalmodelstudies(AMS)revealencouragingresultsforquetiapine,lithium,donepezil,andmemantine.EarlyPD:valproateAMSfindingsshowpromise.Pre-symptomaticPD:lithiumandvalproateAMSfindingsareencouraging.EarlyHD:uncontrolledclinicaldataindicatenon-progressionwithlithium,fluoxetine,donepezil,andmemantine.Pre-symptomaticHD:lithiumandvalproateareauspiciousinAMS.Manyotherpromisingfindingsawaitingreplication(valproateinMCI;lithium,valproate,fluoxetineinpre-symptomaticAD;lithiuminearlyPD;lithium,valproate,fluoxetineinpre-symptomaticPD;donepezilinearlyHD;lithium,fluoxetine,memantineinpre-symptomaticHD)arereviewed.Dose-andstage-dependenteffectsareconsidered.Suggestionsforsignal-enhancementinhumantrialsareprovidedforeachNDDstage.

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简介：在这份报纸，我们在场深水里的一个点波浪吸收器的全面数字模拟。分析在频率和时间领域被执行。变换器与在举方向的自由的一度是一个二身体的浮点吸收器(FPA)。它的二部分被一个线性mass-spring-damper系统连接。在这研究使用的商业ANSYS-AQWA软件表现很好在考虑确认。速度潜力被假定不可压缩、无旋的流动获得。因此，我们在精力变换和设备效率上调查了波浪特征的效果，包括波浪高度和波浪时期，以及设备直径，草稿，几何学，和抑制系数。验证模型，我们从类似的实验把我们的数字结果与那些作比较。当考虑特定的条件时，我们的学习结果能清楚地帮助最大化变换器效率。

简介：Thispaperisconcernedwiththelarge-timebehaviorofsolutionstoaninitial-boundary-valueproblemforfullcompressibleNavier-Stokesequationsonthehalfline(0,∞),whichisnamedimpermeablewallproblem.Itisshownthatthe3-rarefactionwaveisstableunderpartiallylargeinitialperturbationiftheadiabaticexponentγiscloseto1.Herepartiallylargeinitialperturbationmeansthattheperturbationofabsolutetemperatureissmall,whiletheperturbationsofspecificvolumeandvelocitycanbelarge.Theproofisgivenbytheelementaryenergymethod.

简介：这份报纸与一个不稳定的边界条件，观察在服从于任意的确定的时间延期集中于一个一个维的波浪方程的边界稳定。observability不平等显示开环的系统是看得见的，基于哪个观察员和预言者被设计：系统的状态与可得到的观察被估计然后没有观察，预言了。在那以后，相等地，作者由backstepping方法转变原来的系统到提出得好、指数地稳定的系统。和观察员和预言者的设计的相等的系统给估计的产量反馈。靠近环的系统是指数地稳定的，这被显示出。数字模拟被介绍说明稳定的控制器的效果。

简介：Theharmonicdriveisakindofgeartransmissionthatuseswavegeneratortoproducecontrollablesoftroundelasticdeformationandengageswithrigidgeartotransmitmotionandpower.Theloaddistributiononthesurfaceoftheflexiblegearandwavegeneratorisanimportantparameterofstudyingthedeformationofflexiblegearandflexiblebearingoutsidethewavegeneratorandisalsoanecessaryconditionforstudyingthefatiguedamageofflexiblegearunderalternatingload.Inthispaper,a3Dmodelof32-type80:1harmonicdriveisbuild.BasedonthegeneralizedHookelaw,ahypothesisofloaddistributionwhichisprovedtobevaliditybyusingfiniteelementsimulationisproposedontheinterfaceofflexiblegearandwavegenerator.Onthisbase,themathematicmodelandthequantitativecalculationformulaoftheloaddistributiononthesurfaceoftheflexiblegearandwavegeneratorareproposedwhichprovideabasisforthedynamicanalysisandthefatiguedamageofharmonicgeardrive.

简介：有一个复杂系数的一个微波photonic槽口过滤器基于混合的四个波浪(FWM)被建议并且示威。二根单个频率的激光横梁的FWM效果发生在里面高度非线性的纤维(HNLF)，和多波长光信号被产生并且过去常产生微波photonic过滤器(MPF)的多龙头。复杂系数被使用Fourier域产生光处理器(FD-OP)到控制光搬运人和阶段调整边带的振幅和阶段。结果证明这个过滤器能被控制FD-OP从通带过滤器改变到槽口过滤器。槽口过滤器的中心频率能连续地从5.853GHz被调节到29.311GHz与免费光谱11.729GHz的范围(FSR)。当阶段被调节时，频率反应的形状保持未改变。

简介：Inthispaper,severalnewconstant-amplitudeandvariable-amplitudewavesolutions(namely,travelingwavesolutions)ofageneralizednonlinearSchrdingerequationareinvestigatedbyusingtheextendedhomogeneousbalancemethod,wherethebalancemethodisappliedtosolvetheRiccatiequationandthereducednonlinearordinarydifferentialequation,respectively.Inaddition,stabilityanalysisofthosesolutionsarealsoconductedbyregularphaseplanetechnique.

简介：Inthisstudy,systematicphysicalmodeltestswereperformedtoinvestigatethewaveforcesonthetwin-platebreakwaterunderirregularwaves.Basedontheexperimentalresults,theeffectsoftherelativeplatewidthB/L,waveheightHs/Dandincidentangle00onthewaveforceswereanalyzedanddiscussed.Theresultsshowedthat：（1）Theenvelopesofthetotalwavepressureweregenerallysymmetricalalongthedirectionofplatewidthundertheincidentangles（θ0）being0°,15°,30°,45°and60°.Inparticular,theenvelopesofwavepressureatθ0=30°werelargerthanallothercases.（2）Thesynchronouspressuredistributionofthebreakwaterunderobliquewaveactionwasmorecomplicatedcomparingtothenormalincidentwaves.（3）Basedondataanalysis,anempiricalformulawasobtainedtoestimatethetotalverticalforceofthetwin-platebreakwater.Thisempiricalformulacanbeagoodreferenceforthedesignbasisofengineeringapplicationsunderspecifiedwaveconditions.

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