简介：AnumericalsimulationmodelbasedonanopensourceComputationalFluidDynamics(CFD)package-OpenFieldOperationandManipulation(OpenFOAM)hasbeendevelopedtostudyhighlynonlinearsteadyandunsteadyfreesurfaceflows.Atwo-fluidformulationisusedinthismodelandthefreesurfaceiscapturedusingtheclassicalVolumeOfFluid(VOF)method.TheincompressibleEuler/Navier-Stokesequationsaresolvedusingafinitevolumemethodonunstructuredpolyhedralcells.Bothsteadyandunsteadyfreesurfaceflowsaresimulated,whichinclude:(1)asubmergedNACA00122-Dhydrofoilmovingataconstantspeed,(2)theWigleyhullmovingataconstantspeed,(3)numericalwavetank,(4)greenwaterovertoppingafixed2-Ddeck,(5)greenwaterimpactonafixed3-Dbodywithoutorwithaverticalwallonthedeck.ThenumericalresultsobtainedhavebeencomparedwiththeexperimentalmeasurementsandotherCFDresults,andtheagreementsaresatisfactory.Thepresentnumericalmodelcanthusbeusedtosimulatehighlynonlinearsteadyandunsteadyfreesurfaceflows.

简介：Invarioustemperatures,theeffectsofinorganicacidsonthefreephenollevelinliquefactionproductswereinvestigated.Inthispaper,thefreephenollevelwasusedasanindicatortoevaluateliquefactionefficiency.Resultsshowedthatsulfuricacidwasthebestamongthe4acids.Undertheconditionofreactiontemperature150oC,reactiontime1.5h,liquefactionratio(liquid/particleboard)4andcontentofsulfuricacid6%,thefreephenollevelintheliquefactionproductsofwasteparticleboardis36.95%,andthatoforiginalparticleboardis24.27%.

简介：客观：在旧王牌上与骨膜调查免费的肠骨的冠接枝的治疗学的有效性平坦缺点。方法：从1996年2月到2005年6月，9patients与骨膜与免费的肠骨的冠接枝被对待重建旧acetabulardefects。有7男性和2女性，平均年龄是41。3年。acetabulardefects被交通事故在3种情况中在6种情况和秋天损害中引起。处理的从损害的时间是4-13月并且平均8个月。Intraoperatively，我们第一移开以后的墙的theacetabular破裂碎片。大腿骨的头当时是reducted。骨头接枝与骨膜从肠骨的冠被收获，它与骨钳被雕刻遵循缺点。凹面(肠骨的窝)接枝的方面被放向大腿骨的头。Thegraft被二～三个腿螺丝钉安全地修理。结果：手术后的症候群没在任何盒子中被发现。哈里斯“20个系统证明分数从32涨了。3pointspreoperatively手术后地指向81。新潮的功能在3种情况中作为优秀被评估，在在2种情况中的4种情况和交易会中好。结论：尽管这个过程不能确切复制新潮的关节的解剖，它启用恢复以后的稳定性，为新潮的关节的providebone股票并且阻止大腿骨的头的脱臼。

简介：Highlyc-axis-orientedZnOfilmsweredepositedsuccessfullyonthenucleationsidesoffree-standingdiamond(FD)filmsbythedirectcurrent(DC)magnetronsputteringmethod.Theeffectofthesputteringparameters,suchaspower,gaspressureandsputteringplasmacompositionofAr-to-O_2,onthepropertiesofZnOthinfilmswasinvestigatedindetail.X-raydiffraction(XRD)measurementsshowedthat,atasputteringpowerof200W,gaspressureof0.5PaandanAr-to-O_2compositionof1:1,ahigherintensityofthe(002)diffractionpeakandanarrowerfullwidthathalfmaximum(FWHM)weredetectedwhichmeanthighc-axisorientationandhighqualityoftheZnOfilms.ToimprovethequalityoftheZnOfilm,athinZnOlayerwaspre-grownasahomo-bufferlayer.XRDmeasurementsshowedthatthisbufferlayerhadabeneficialeffectonthestructuralandmorphologicalpropertiesofthepost-grownZnOfilm.

简介：满足高为获得追踪尖精确性，追踪，并且指ATP的要求)空间光通讯的分系统，并且为在海上的活动平台之间的进一步光的通讯提供基础，试验性的系统，为好追踪执行部分是它有为错误赔偿的高频率和好性能的声音卷马达，被建立，并且整个系统能被个人计算机控制。一系列实验为为好追踪追踪错误的不同一致速度，和数据的模拟目标被做了，粗糙的追踪是镇定的，分析并且evaluateds独立，并且通讯激光的即时光电源也被收集。结果为随目标速度的增加追踪错误增加的ATP系统显示出那标准差，当追踪错误的范围看起来不是顺序时。而且，通讯连接能很长时间是抓住。

简介：trifluoromethyl的极其快的准备第三级的白酒在溶剂下面从甲基酉同类和trifluoromethyl酉同类被完成了由生气丁间醇醛反应的免费条件。反应被在周围的温度磨方法在高收益(多达95%)给-trifluoromethyl--hydroxyl酉同类面对普通的无机的底完成。

简介：通过对无线传感器网络WSN中的非测距定位（Range—free）技术进行分析，阐述非测距定位技术的基本思想，并对一些经典的非测距定位技术进行研究与比较。首先，阐述WSN中非测距定位技术的主要思想；其次，分析和比较一些典型的非测距定位技术；最后，分析非测距定位技术的研究现状与发展趋势。

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简介：包含漂浮在表面水上的无穷地长水平的柱体的各种各样的水波浪问题在为波浪潜力采用一般多极扩大的水波浪的线性化的理论的文学被调查。这扩大包含一个常规波浪，波浪来源，波浪偶极子和常规没有波浪的部分的一般联合。没有波浪的部分能进一步以作为没有波浪的潜力被称为的没有波浪的多极被扩展。这些是Laplaces方程的单个答案(为在二种尺寸的非倾斜的波浪)或二维的Helmholz方程(为倾斜的波浪)令人满意免费表面条件并且很快腐烂离开奇特的点。构造这些没有波浪的潜力的方法与免费表面，或与作为漂浮在水上的一个薄有弹性的盘子建模的一个冰封面为象深水那样的很多种状况以一种系统的方式这里被介绍，忽视或考虑表面紧张的效果。

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简介：根据Ａｆ－Ａｇ自由基加聚反应的数量分布函数，导出凝胶点附近的渐进分布函数和高分子矩的表示式．进一步应用标度变换，得到了描述溶胶－凝胶相变的广义标度律，从而揭示了Ａｆ－Ａｇ自由基加聚的固化反应是一个相变过程．

简介：Themotionofabubblenearthefreesurfaceissolvedbytheboundaryelementmethodbasedonthelinearwaveequation,andtheinfluenceoffluidcompressibilityonbubbledynamicsisanalyzed.Basedonthesolutionofthebubblemotion,thefar-fieldradiationnoiseinducedbythebubbleiscalculatedusingKirchhoffmovingboundaryintegralequation,andtheinfluenceoffreesurfaceonfar-fieldnoiseisresearched.Astheresults,theoscillationamplitudeofthebubbleisweakenedincompressiblefluidcomparedwiththatinincompressiblefluid,andthefreesurfaceamplifiestheeffectoffluidcompressibility.Whenthedistancebetweenthebubbleandanobserverismuchlargerthanthatbetweenthebubbleandfreesurface,thesharpwavetroughofthesoundpressureattheobserveroccurs.Withtheincrementofthedistancebetweenthebubbleandfreesurface,thetimeofthewavetroughappearingisdelayedandthevalueofthewavetroughincrease.Whenthedistancebetweentheobserverandthebubbleisreduced,thesharpwavetroughattheobserverdisappears.

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简介：在这研究，空隙免费(如果)钢盘子受到双sided磨擦促使处理(FSP)。有大约12的一种平均谷物尺寸的有细密纹理的结构?m与大约2.5的厚度在处理地区(PZ)被获得?公里。收益力量(325?MPa)并且最终的张力的力量(451?MPa)FSP如果钢比基础材料(BM)的那些显著地高(192和314?MPa)，当延伸(67.5%)几乎与BM(66.2%)相比仍然保持未改变时。PZ的平均microhardness价值是大约130?HV，比BM的高1.3倍。另外，FSP如果钢比BM显示出一个更积极的腐蚀潜力和更低的腐蚀水流密度，展出更低的腐蚀趋势和腐蚀评价在一3.5?wt%NaCl答案。而且，FSP如果钢在空和NaCl答案中两个都比BM展出了更高的疲劳生活。如果钢主要与疲劳有条纹或刻痕之状态展出了典型transgranular破裂，腐蚀疲劳骨折FSP出现，当BM主要介绍了intergranular破裂时。提高的腐蚀疲劳性能主要被归因于成核的增加的电阻和疲劳裂缝的生长。腐蚀疲劳机制被阳极的溶解首先在周期的应力和腐蚀剂答案的联合效果下面控制。

简介：ＡＤＡＰＴＩＶＥＳＴＲＡＴＥＧＩＥＳＦＯＲＮＣＭＡＣＨＩＮＩＮＧＣＯＭＰＯＵＮＤＦＲＥＥ－ＦＯＲＭＳＵＲＦＡＣＥＳＧａｏＳａｎｄｅ；ＺｈｏｕＹｕｎｆｅｉ；ＺｈａｎｇＸｉｎｆａｎｇ；ＺｈｏｕＪｉＡＤＡＰＴＩＶＥＳＴＲＡＴＥＧＩＥＳＦＯＲＮＣＭＡＣＨＩＮ...

简介：Thisletterpresentsalabel-freebiomolecularimagingtechniquebasedonwhite-lightinterferometryandspectraldetection.Themethodmeasuresthicknesschangescausedbyspecificbindingbetweenbiomoleculestodetectthepresenceofcertainanalyte.Aspectrum-shiftingalgorithmisdevelopedtoresolvethethicknessinformationfromthespectrum.Theaxialresolutionoftheexperimentalinstrumentcanreach～1nm,therebyenablingdetectionoftraceamounts(～1ng/mm2)ofproteinsorDNA.ThisletteralsopresentstwoexperimentstoprovethefeasibilityofthemethodfordetectingproteinsandDNAwithoutfluorescentlabeling.

简介：OrganizedbyChinaAssociationforPreservationandDevelopmentofTibetanCulture,BeijingRedCrossFoundationandBuchangPharmaGroup,theOneHeartFoundationProjectfundedthethirdgroupof12TibetanchildrenwithcongenitalheartdiseasetoarriveatBeijingonMarch16,2012forfreetreatmentinBeijingTongrenHospitalandBeijingHuaxinHospital.Sita,ViceMinisteroftheUnitedFrontWork

简介：Inthispaper,theproblemofcomputingthefreedistanceofTrellisCodedModulation(TCM)signalsequencehasbeendiscussed;anewalgorithm-thematrixalgorithmisproposed;andthestep-numberestimationproblemforstatetransmissiontocomputethefreedistanceofTCMsignalsequencehasbeentheoreticallysolved.ThematrixalgorithmisderivedfromtheViterbialgorithm,andisanimplementationofViterbialgorithmintheformofmatrix.Comparedwithotheralgorithms,thematrixalgorithmgainstwoadvantages:(1)Theexplicitsolution,anditsrelativelylesscomplexity.(2)Morereflexibleabilitytothesignalspacedistancevariation.Asexamples,theresultsofsomeTCMsignalsequenceonAWGNchannelandfadingchannelshavebeenpresented.

简介：Nanomeshgraphene(NMG)obtainedbytemplatechemicalvapordepositionwasusedtosynthesizethebinder-freegraphenemonolithsbysimpletabletpressing.ThestackingmanneroftheNMGsheetswascrucialtothecohesioninteractionbetweenthegraphenesheets,onlytheNMGmaterialswithalooselystackingmannercouldbepressedintobinder-freemonoliths.Atthetabletingpressureof2-8MPa,boththebulkdensitiesandthespecificsurfaceareasofthemonolithskeepnearlyconstantasthetabletingpressureincreases,indicatingthattheNMGmonolithshaveobviouselasticityandaporousstructureduetothelargecorrugationsandthemeshstructuresofthegraphenesheets.Asaresult,anextraordinarymethanestoragecapacityof236(v/v)at9MPawasobtainedinthegraphenemonolithpreparedbytabletingat4MPa.

简介：Objective:Laryngealreconstructionisneededtopreservelaryngealfunctioninpatientswhohaveundergoneextensiveverticalorfrontalpartiallaryngectomy.However,theprocedureremainsadifficultchallenge.Severalreconstructiontechniqueshavebeendescribed,butthesetechniquesposerisksofcomplicationssuchaslaryngealstenosis.Thisstudyaimedtoevaluatethepostoperativecourseandfunctionaloutcomesofanewtechniquethatcombinedamuscle-pediclehyoidboneandathyrohyoidflapduringlaryngealreconstructionaftertumorresection.Methods:Fourpatientsunderwentextensiveverticalpartialorfrontalpartiallaryngectomyforcancer.Aftertumorresection,laryngealreconstructionwasperformedusingtheproposedtechnique.Postoperativerecoverytime,complications,andoncologicresultswereevaluated.Results:Thefourpatientsweresuccessfullytreatedwiththeproposedtechnique.Nodyspnea,dysphagia,ordeathoccurredduringthepostoperativecourse.Decannulationwasperformedafteramedianof3days.Theaveragepostoperativehospitalstaywas7days.Short-termpostoperativefunctionalrecoverywasnormal.Nolaryngealstenosisortumorrecurrencewasobservedinanyofthefourpatientsafterafollow-upperiodofmorethan24months.Conclusion:Thecombinationofthemuscle-pediclehyoidboneandthethyrohyoidflapisareliableprocedureforlaryngealreconstructionafterextensiveverticalpartialorfrontalpartiallaryngectomy.