简介：Anoveldischargedeviceisdesignedonthebasisoftheconfigurationofmicro-hollowcathodedischarge(MHCD).ByusingmanyMHCDsinparallelconnection,amicro-dischargearraycanbeconstructed.Withthemicro-dischargearray,ahigh-pressurehigh-currentdensityglowdischargeplasmascanbeformedtomakeaplasmadisplaypanel(PDP).Anairdischargeexperimentisfinishedwiththedischargedevice.Thestabledirectcurrentglowdischargeisformedunderthepressurefrom20Torrto500Torr.Thevoltage-currentcharacteristiccurveandthedischargephotographarenoted.Thevoltage-currentcharacteristiccurvehasapositivedifferentialresistancecoefficientonthewholedischargerange.Theestimatedcurrentdensityreaches70.1A/cm3,thepowerdensityis3.6×104W/cm3,andtheelectrondensityisintheorderof1013cm-3atp=200TorrandID=10mA.TheexperimentalresultsindicatethatthedesigneddischargedeviceisappropriateforPDP.

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简介：Theproductionofwood-basedpanelwaspresentedfirstlyinthispaper.SomefeaturesofChina’swood-basedpanelindustrywerereviewed,includingproductionbases,rawmaterialsandmainmarketsofwood-basedpanel.Inaddition,thetradeflowofwood-basedpanelwasdescribedintheend.

简介：装载液体的薄面板的吸收器的健全吸收被调查。一个一般理论和一个近似理论被给。势能动能的参数，和装载液体的因素被建议。这使吸收机制更清楚，并且比以前简单的计算。薄面板的吸收器的吸收系数和阻抗与一个水疗院听觉的试管被测试。试验性的结果与理论结果同意了很好。

简介：Light-weightcompositepanelsweremanufacturedusingkenafcoreparticlesascorematerialandkenafbastfiber-wovensheetsastopandbottomsurfaces.Methylenediphenyldiisocyanate(MDI)resinwasusedastheadhesivewiththeresincontentof4%forcoreparticlesand50g/m2forbastfiber-wovensheets.Thetargetboarddensitiesweresetat0.35,0.45and0.55g/cm3.ThecompositepanelswereevaluatedwithJapaneseIndustrialStandardforParticleboards(JISA5908-2003).Theresultsshowthatthecompositepanelhashighmodulusofruptureandinternalbondingstrength.Thepropertiesof0.45g/cm3densitycompositepanelare:MOR20.4MPa,MOE1.94MPa,IB0.36MPa,WA142%,TS21%.Kenafisagoodrawmaterialformakinglight-weightcompositepanels.

简介：Onthe“InternationalConferenceonPowerSystemTechnology,1991”,apaneldiscussiononDis-patcherTrainingSimulator(DTS)washeld.SinceDTSisaveryin-terestingtopicbothinChinaandabroad,notonlymanyaudienceswereattractedbythispaneldiscussion,theyalsoraisedmanyinter-estingquestionsanddiscussedwiththepanelists.Highlightsofthefourpaperspresentedbypanelistsaswellastheirrelateddiscus-sionsaresummarizedbelow.

简介：Inthispaper,thephysicalandmechanicalpropertiesoflaminatedbamboolamberwerestudiedbytestingmoisturecontent,delaminationratio,horizontalshearstrength,MOEandMORofthestructure-usematerial,inthesametime,thesesubjectsoffinger-jointweretestedtoo.Theresultsshowedthat,thehorizontalshearstrength,MOR,MOEoflaminatedbambooweresuperiortotheordinarystructure-usetimberinarchitecture,suchasPinus.Theperformanceofagingtestwasnotextraordinary,althoughthephysicalandmechanicalpropertiesoflaminatedbamboolamberdecreasedafteragingtest,thesepropertieswerebeyondPinusyet.

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简介：我们由SaraCasciati(2007)在文章发现了一些错误。修订下面被给：1。在p.262的第一段的最后句子“(Casciati和Faravelli，2007)”应该被改变到“(Casciati和Faravelli，1991)”。

简介：Thepotentialbasedlowordersurfacepanelmethodisusedtopredictthehydrodynamicperformanceofmarinepropellers.Inpresentmethodthehyperboloidalquadrilateralpanelsareemployedtoavoidthegapbetweenthepanels.TheinfluencecoefficientsofpanelsarecalculatedbyMorino’sanalyticalformulationsforincreasingnumericallycalculatingspeed.Thepres-sureKuttaconditionissatisfiedonthetrailingedgeofpropellerbladebyNewton-Raphsoniterativeprocedure.Thereforethe

简介：穿孔面板结构有一个宽潜力在在水下应用程序。然而，直到现在，几乎没有很少相关研究。声学的阻抗一在水下穿孔面板为空气基于理论被获得穿孔面板声音absorption.In这个论文声音传播特征在水下穿孔面板结构被转移矩阵方法理论上分析。为正常发生声音传播系数的一个公式被给。在声学的传播系数上有效果的主要因素被数字模拟分析。自己做的穿孔面板结构被四传感器的转移功能method.The在一个看台波浪试管测试试验性的结果被数字方法很好与结果一致获得，它证明理论分析是正确的。这篇论文为设计提供了理论、试验性的底在水下穿孔面板结构。

简介：ＵＮＳＴＥＡＤＹＰＲＯＰＥＬＬＥＲＳＵＲＦＡＣＥＰＲＥＤＩＣＴＩＯＮＷＩＴＨＡＰＯＴＥＮＴＩＡＬＢＡＳＥＤＰＡＮＥＬＭＥＴＨＯＤ￥ＣｈｅｎＪｉａ－ｄｏｎｇ（ＣｈｉｎａＳｈｉｐＳｃｉｅｎｔｉｆｉｃＲｅｓｅａｒｃｈＣｅｎｔｅｒ，Ｂｏｘ１１６，Ｗｕｘｉ２１...

简介：TosolvethenumericaldivergenceproblemofthedirecttimedomainGreenfunctionmethodforthemotionsimulationoffloatingbodieswithlargeflare,atimedomainhybridRankine-Greenboundaryelementmethodisproposed.Inthisnumericalmethod,thefluiddomainisdecomposedbyanimaginarycontrolsurface,atwhichthecontinuousconditionshouldbesatisfied.ThentheRankineGreenfunctionisadoptedintheinnerdomain.ThetransientfreesurfaceGreenfunctionisappliedintheouterdomain,whichisusedtofindtherelationshipbetweenthevelocitypotentialanditsnormalderivativefortheinnerdomain.Besides,thevelocitypotentialatthemeanfreesurfacebetweenbodysurfaceandcontrolsurfaceisdirectlysolvedbytheintegrationscheme.Thewaveexcitingforceiscomputedthroughtheconvolutionintegrationwithwaveelevation,byintroducingtheimpulseresponsefunction.Additionally,thenonlinearFroude-Krylovforceandhydrostaticforce,whichiscomputedundertheinstantaneousincidentwavefreesurface,aretakenintoaccountbythedirectpressureintegrationscheme.Thecorrespondingnumericalcomputercodeisdevelopedandfirstusedtocomputethehydrodynamiccoefficientsofthehemisphere,aswellasthetimehistoryofashipwithlargeflare;goodagreementisobtainedwiththeanalyticalsolutionsaswellastheavailablenumericalresults.ThenthehydrodynamicpropertiesofaFPSOarestudied.Thehydrodynamiccoefficientsagreewellwiththeresultscomputedbythefrequencymethod;theinfluenceofthetimeintervalandthetruncatedtimeisinvestigatedindetail.

简介：Thispaperhaspredictedtherangeandvolumeofunsteadysheetcavitationofapropellerbyusingthesurfacepanelmethod.Thelinearizationincavitythicknessisadoptedtoreducethecomputingtimeandstoragespace.Theiterationschemebetweenchordwisestripshasbeenusedbecausetherangeandvolumeofcavitationarebothunknown.Thepropellercavitationrangedeterminedbythecalculationmethodpresentedinthispaperagreeswiththeobservationresultsofcavityimageatcavitationtunnelverywell,andthisprovesthepracticabilityofthemethod.

简介：Surfacemodificationonapolytetrafluoroethylene(PTFE)panelwasperformedwithsequentialnitrogenplasmatreatmentsandsurface-initiatedpolymerization.ByintroducingCOO—groupstothesurfaceofthePTFEpanelthroughgraftingpolymerizationofacrylicacid(AA),atransparentpoly(acrylicacid)(PAA)membranewasachievedfromacrylicacidsolution.GraftingpolymerizationinitiatingfromtheactivegroupswasachievedonthePTFEpanelsurfaceafterthenitrogenplasmatreatment.Utilizingtheacrylicacidasmonomers,withCOO—groupsascrosslinksitestoformreticulationstructure,atransparentpoly(acrylicacid)membranewitharborescentmacromolecularstructurewasformedonthePTFEpanelsurface.Analysismethods,suchasfouriertransforminfraredspectroscopy(FTIR),microscopyandX-rayphotoelectronspectroscopy(XPS),wereutilizedtocharacterizethestructuresofthemacromoleculemembraneonthePTFEpanelsurface.AcontactanglemeasurementwasperformedtocharacterizethemodifiedPTFEpanels.ThesurfacehydrophilicitiesofmodifiedPTFEpanelsweresignificantlyenhancedaftertheplasmatreatment.Itwasshownthatthegraftingrateisrelatedtothetreatingtimeandthepowerofplasma.

简介：Theunsteadysheetcavitationofpoddedpropellerwaspredictedbyusingasurfacepanelmethod.Theinteractionbetweenpropellerandpodwastreatedwiththeiterativecalculationofinducedvelocitypotential,andthemethodofinducedvelocitypotentialcansaveagreatdealofstorageandcomputationtimecomparedtothemethodofinducedvelocity.Theinducedvelocitypotentialofunitsingularityoneverypodpaneltoeverykeybladepanelandofunitsingularityoneverykeybladepanelanditswakepaneltoeverypodpanelwerecalculatedwhenthekeybladeisateveryangleposition.Basedonthewakemodeloftheconventionalsinglepropeller,anewwakemodelofpoddedpropellerwasconstructed.Thepropellerisanalyzedonlyonthekeybladeinordertosavecomputationtimeandmemoryspace.Themethodcanbeusedtocalculatethehydrodynamicsperformanceandcavitationofpropellerinuniformandnon-uniforminflows.Itcangivetheunsteadyforceandcavitationshapeofpropeller.Thepropellercavitationrangedeterminedbythepresentmethodagreeswiththeobservationresultsofcavityimagegivenincavitationtunnelwell,andthisprovesthepracticabilityofthemethod.

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简介：Themanufacturetechnologiesoftwokindsofbamboolaminatedpanelandtheirphysical-mechanicalpropertieshavebeenstudiedinthepaper.ThespeciesofbambooaretheD.yunnanicusHsuehetD.Z.LiinYunnanProvinceandP.heterocyclavar.pubescensOhwiinZhejiangProvince.Thedataareofferedinordertoprovideprooftoproducearchitecturalpanelbybamboomaterials.Theresultsshowasfollows:Laminatedbamboopanelcanbeproducedbythereconstructiontechnology,andthemechanicalprope...

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简介：在这篇文章，我们学习一个部分指定的空间面板数据的评价线性回归与随机效果。在外长的空间weighting矩阵和外长的regressors的条件下面，我们给一个仪器的可变评价。在某些足够的假设下面，我们证明为有限维的参数的建议评估者是一致、通常asymptotically分布式的root-N，为未知函数的建议评估者一致、asymptotically分布式。为两个的asymptotic变化协变性矩阵的一致评估者参量、未知的部件被提供。蒙特卡罗模拟结果验证我们的理论并且建议途径有某实际价值。