简介：支持向量机器(SVM)方法能被用来建立一个非线性的功能预言模型。学习理论基于小样品。核功能能被使用SVM方法基于实际样品数据自动地构造。作为结果，功能不仅得到更高合适的精确而且也更好概括。频率光谱和地震波形由Fourier变换是相关的，因此他们是一样的物理现象的二种不同形式。波形特性的变化反映差别反映的stratigraphic差别和频率光谱岩性学，液体作文，和形成厚度的变化。它直接用地震波形预言沙岩厚度。这充分不仅利用地震信息而且极大地增加预言的精确性。模型例子和实际应用显示出这个方法的适用性。

简介：厚度砍和厚度扭曲颤动一有限并且部分，electroded在切割石英共鸣器被调查。各向异性的弹性的方程与小有弹性的经常的c56的省略被使用。一个分析答案用从的Fourier系列被获得免费颤动套住的反响的频率，模式形状，和精力被计算并且检验。

简介：Severalmethodsforinvestigatingthethicknessuniformityofpolymerthinfilmsarepresentedaswellastheirmeasurementprinciples.Acomparisonoftheseexperimentalmethodsisgiven.Thecylindricallightwavereflectionmethodisfoundtocanobtainthethicknessdistributionalongacertaindirection.Itisasimpleandsuitablemethodtoevaluatethefilmthicknessuniformity.

简介：SmallX-rayScattering(SAXS)experimentusingSynchrotronRadiationasX-raysourcewasusedtodeterminetheaveragewallthicknessofmesoporoussilicaprepardbycondensationoftetraethylorthosilicate(TEOS)usingnon-ionicalkylpolyethyleneoxide(AEO9)surfactantastemplates.Theresultsagreedwiththatofhigh-resolutionTEM(HRTEM)measurement.

简介：Byanalyzingandcomputing,accordingtothewavetheoryofplanaropticalwaveguideattenuation,anewopinionisputforward.Aseriesoftransmissionatteenuationwithwaveguidefilm-thicknessaregivenanditillustratesthatopticaltransmissionisnotcarryingoutefficientlywithinsomewaveguidefilm-thickness.

简介：Aspectroscopicmethodtodeterminethicknessofquartzwaveplateispresented.Themethodisbasedonchromaticpolarizationinterferometry.Withthepolarization-resolvedtransmissionspectrum(PRTS)curve,thephaseretardationofquartzwaveplatecanbedeterminedatawidespectralrangefrom200to2000nmobviously.ThroughaccuratejudgmentofextremepointsofPRTScurveatlong-waveband,thephysicalthicknessofquartzwaveplatescanbeobtainedexactly.Wegiveameasuringexampleandtheerroranalysis.Itisfoundthatthemeasuringprecisionofthicknessismainlydeterminedbythespectralresolutionofspectrometer.

简介：Thereareseveralstudiesontheuseofskingrowthintissueculture,toknowhowtocoverlargesurfaceareasofburnpatientsandhowtoreplaceskinlossfromothertypeoftrauma.Itwouldbemostidealtohaveapermanentskinsubstitutecon-tainingdermalandepidermalcomposition.Thispaperdescribesthathumanepidermalcell(HEC)growthinvitrocanbecombinedwiththedegradeablebiomaterialsCollagen-ChitosanArtificialDermal(C-

简介：Modernforestryfocusingonecologicaldimensionneedssomenewindicatorsdifferentfromthosedesignedforthetraditionalforestry.Onthebasisoftheevaluationindicatorsfortraditionalforestry,suchasforestcoverage,totalstandingstockvolumeandforestvolumeperunitarea,thepapercameupwithanewindicatorcalled"forestthickness"(FT).FTreferstothethicknesswhichcanbegotifusingtotalstockvolumeofforestandtreestocoverthetotallandinagivenarea,anditischargedb...

简介：ＧｌａｓＴｈｉｃｋｎｅｓＭｅａｓｕｒｅｍｅｎｔＩｎｓｔｒｕｍｅｎｔａｎｄＯｐｔｉｃａｌＦｉｂｅｒＴｒａｎｓｍｉｓｉｏｎ①ＬＩＵＳｈｕｍｉｎ（ＹａｎｓｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｑｉｎｈｕａｎｇｄａｏ０６６００４，ＣＨＮ）Ａｂｓｔｒａｃｔ：Ａｓｙｓｔｅ...

简介：Asystemforglassthicknessmeasurementisintroduced.Thesignalac-quisitionpartofthesystemadoptsparallelplatecapacitor,andmeasuredsignalsaretransformedintopulsefrequencybycapactitance-frequencytransformationcircit,thentransmitteditinopticalfibers.Sothissystemhashighspeed,highprecisionandhighre-sistancetointerference.

简介：Theimpactsofthethickness,thespecificacousticimpedanceandthemechanicallossfactorofthebackingontheperformanceofthethicknessmodepiezoelectrictransduceraresystemicallystudied,whicharefocusedontheeffectiveelectromechanicalcouplingcoefficientandthemechanicalqualityfactornearthecenterfrequency.Theresultsshowthatwithcontinuousincreasingofthebackingthickness,theeffectiveelectromechanicalcouplingcoefficientandthemechanicalqualityfactorarefoundrapidlydeclinedbyoscillationway.Withtheincreaseofthedifferencevalueoftheacousticimpedancebetweenthebackingmaterialandthepiezoelectricmaterial,theeffectiveelectromechanicalcouplingcoefficientdeceasesandthemechanicalqualityfactorincreases.Underconditionthatthethicknessofthepiezoelectricmaterialisfixed,theeffectiveelectromechanicalcouplingcoefficientisfounddeclinedwiththeincreaseofthemechanicallossfactorbymonotonousway.Themechanicalqualityfactorhasminimumvalueandtheelectriccharacteristiccurvetendstobesmoothinagivenfrequencyrange.Theequivalentcircuittheoryresultisingoodagreementwiththeonesbyfiniteelementmethodandtheexperimentalresults.Theworkmentionedaboveprovidesatheoreticalguidanceforthedesignandexperimentalfabricationofthethicknessmodepiezoelectrictransducer.

简介：一有效器官光电(OPV)有indium-tin-oxide/CuPc/C60/Ag结构的房间被改变器官的层的电影厚度调查了。高开电路的电压(V0.5V的OC)，电线走火电流密度(J5.81mA/cm2的SC)，和高度驱动变换效率(η1.2%的p)在最佳电影厚度被完成。结果证明材料厚度是到房间优化的一个重要因素，特别为最大化象减少房间电阻一样的吸收率。当堵住10nm的层的BCP激子被介绍，试验性的结果也显示力量变换效率从1.2%～1.54%增加。

简介：Asystemofunequalthicknessinterferencefilterswithquarterwavelengthstackwhichconsistsofaspacersurroundedbytwomultilayerstacksisdesigned,andtheexamplesofthefilterdesignaregiven.Thiskindoffiltersarenotonlycharacterizedbyhigh-transparency,butalsobyhigh-reflection,therefore,itissuperiortothecommonequalthicknessinterferencesystemwithquarterwavelength.Itiseasiertocontrolthemanufacturingtechniquesofthenewdesignascomparedwiththatofinterferencefilterofnon-quarterwavelength.

简介：

简介：Wheninterfaciallayersareviewedasaseparatephase,theinterfacethicknessplaysanessentialroleinassessingphysico-mechanicalpropertiesofparticulatematerials.However,theinterfacethicknessfromsectionalanalysisisoftenoverestimated,duetotheirregularityofsurfacetexturesofgrainsinopaquematerialsthatgivesrisetothenormalofacross-sectionalplanenon-perpendiculartothesurfaceofgrains.Hence,thedeterminationoftheoverestimationdegreeisverycriticaltopreciselyobtaintheinterfacethickness.Thisarticledevelopsanumericalmodelfortheoverestimationdegreeoftheinterfacethicknessaroundanellipsoidalgrainwithanarbitraryaspectratio,byapplyinganaccuratesectionalanalysisalgorithm,andquantitativestereologyandgeometricalprobabilitytheories.Furthermore,onthebasisofthedevelopednumericalmodel,theinfluenceofellipsoidalparticleshapeontheoverestimationdegreeisquantitativelycharacterized.

简介：AIM:Toinvestigatechoroidalthicknessinpregnantwomenandcomparethemeasurementswiththoseofnormalnonpregnantwomen.METHODS:Usingenhanceddepthimagingopticalcoherencetomography(EDI-OCT),choroidalthicknesswasmeasuredatthefoveaandat1mmand3mmsuperior,inferior,temporal,andnasaltothefoveainbothhealthypregnantwomenandnonpregnantwomen.Pearsoncorrelationanalysiswasperformedtoevaluatetherelationshipsbetweensubfovealchoroidalthickness(SFCT)andthedemographicandocularparameters.Pooledoddsratio(OR)and95%confidenceinterval(CI)werecalculatedusingfixed-effectsmodelwhenMeta-analyseswereconducted.RESULTS:Comparisonofchoroidalthicknessbetweenthegroupsshowedthatitwassignificantlygreaterinhealthypregnantwomen’seyesthaninnormalnonpregnantwomen’seyesatalllocationsexceptat3mmsuperiorand3mmtemporalfromthefovea(P<0.05).ThemeanSFCTwas344.13±50.94μminhealthypregnantwomen’seyesand315.03±60.57μminnormalnonpregnantwomen’seyes,withastatisticallysignificantdifference(P=0.008).PearsoncorrelationanalysisshowedthatageandaxiallengthweresignificantlyrelatedtoSFCTinhealthypregnantwomen,normalnonpregnantwomen,andallsubjects.Theresultsofourcross-sectionalstudywereconsistentwiththeresultsofthefurtherMeta-analysis,withapooledweightedmeandifference(WMD)of33.66μm(95%CI:26.16to41.15)forSFCT.CONCLUSION:Ourresults,alongwiththecomprehensiveMeta-analysis,suggestthatchoroidalthicknessinhealthypregnantwomenisgreaterthanthatinnormalnonpregnantwomen.

简介：ShanxiGrabenisinthemiddlepartoftheNorthChinaCraton,fromsouthtonorth.WiththeteleseismicdatarecordedbyRegionalSeismographNetworksandthetemporaryZBnet-WSeismicArrayaroundeastpartofShanxiGraben,wemeasuredthecrustalthicknessandvP/vSratiobeneatheachstationusingtheH-jstackofreceiverfunctions.Theobservedcrustalthicknessshowsobviouslateralvariation,increasinggraduallyfromeasttowestintheShanxiGraben.BeneaththeShanxiGrabenthecrustisrelativelythickerthanbothsidesofthesouthandthenorth.Inaddition,thevP/vSratiointhenorthofstudyzoneishigherthanthatinthesouth.ThehighestvP/vSratioexistsinthecrustoftheXindingbasinandtheDatongbasin.Ourstudyalsosuggeststhathighvelocityratiomightresultfromthestrongactivitiesofthemagmationandvolcanism.

简介：Anovelbroadbandtransmissionmethodtodeterminepolymerfilmthicknessduringmanufacturingisproposed,andameasurementsystemisdevelopedbasedonthismethod.TherelationshipbetweenbroadbandopticalpowerandfilmthicknessisdeducedaccordingtotheLambert-Beerlaw.Thesystemiscomposedofahalogenlightandanopticalpowermeter.Resultsshowthatthemeasurementerrorofthismethodisapproximately1μm,andtheresolutionofthesystemisbelow0.4μmforpolymerfilmswithlessthan100-μmthickness.

简介：UnliketheEuropeanUnionemissiontradesystem(EUETS),ChinaspilotETSsimplementeddiversifiedpolicydesignsinsteadofusingauniformframework.VarianceratiotestisusedtoevaluatetheEfficientMarketHypothesis(EMH)inChina’scarbontradingmarkets.TheresultsoftwoversionsofvarianceratiotestsindicatethatthecarbontradingmarketinHubeiisconsideredweakformefficient,andthesocialistmarketeconomydoesnotnecessarilyleadtomarketinefficiencyincarbontradingmarkets.ThintradingactivitiesgeneratemarketfrictionsandbiastheEfficientMarketHypothesis(EMH)tests.

简介：Afundamentaltheoryfortheanalysisofresidualweldingstressesanddeformationbasedontheinherentstraindistributionalongtheweldedjointisintroduced.Distributionofinherentstrainsandlongitudinalresidualstressesinmediumthicknessplateweldmentiscalculatedandanalyzed.Anewmethodofcalculatinginherentstrainsandlongitudinalresidualstressesisproposed.