简介：Afundamentaltheoryfortheanalysisofresidualweldingstressesanddeformationbasedontheinherentstraindistributionalongtheweldedjointisintroduced.Distributionofinherentstrainsandlongitudinalresidualstressesinmediumthicknessplateweldmentiscalculatedandanalyzed.Anewmethodofcalculatinginherentstrainsandlongitudinalresidualstressesisproposed.

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简介：ＲＥＳＩＤＵＡＬＳＴＲＡＩＮＩＮＣＡＮＩＮＥＡＲＴＥＲＩＥＳＭｉｎＨｕａｎｇ；ＨａｉｃｈａｏＨａｎ（ＤｅｐａｒｔｍｅｎｔｏｆＥｎｇｉｎｅｅｒｉｎｇＭｅｃｈａｎｉｃｓ，．Ｘｉ＇ａｎＪｉａｏｔｏｎｇＵｎｉｖｅｒｓｉｔｙ，Ｘｉ＇ａｎ７１００４９Ｃｈｉｎａ）...

简介：Anovelapproachhasbeendevelopedtodeterminetheamountofresidualwaterinhumanerythrocyteatroomtemperaturebyelectronicparticlecounter.Naclsolutionsof13osmolalitieswerepreparedandtheequilibriumcellvolumesinwhichweremeasuredonebyone.Theisotonicvolume,Vo,wasobtainedundertheisotoniccondition.ThemeanRBCvolumesof5donorsateachosmolalitywerefittedaccordingtoBoylevan'tHoffrelationship,andtheosmoticallyinactivevolume,Vb,oferythrocytewasthendetermined.TheresultsshowthatVb＝50%Vo.Moreimportantly,thefinalcellvolumewithregardtothesolutionofthehighestconcentrationfoundtobekeptatabout0.5V0.Thedifferencebetweenthesetwovolumesisunconspicuous.Accordingtothepublisheddatathatnon-watervolumeofhumanerythrocyteisabout28.3%ofitsisotonicvolume,residualwaterofhumanerythrocytecanbegainedbysubtractingVdryfromVf,thatisVrw----21.7%VoThenitwasconcludedthattheresidualwaterofhumanlaysin2states,oneisboundwater,andtheotherisfreewater.

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：Residualstressinducedduringmanufacturingofinjectionmoldedcomponentssuchaspolymethylmethacrylate(PMMA)affectsthemechanicalandopticalpropertiesofthesecomponents.Theseresidualstressescanbevisualizedandquantifiedbymeasuringtheirbirefringence.Inthispaper,alowbirefringencepolariscope(LBP)isusedtomeasurethewhole-fieldresidualstressdistributionoftheseinjectionmoldedspecimens.Detailedanalyticalandexperimentalstudyisconductedtoquantifytheresidualstressmeasurementinthesematerials.Acommercialbirefringencemeasurementsystemwasusedtovalidatetheresultsobtainedtoourmeasurementsystem.Thisstudycanhelpinmaterialdiagnosisforqualityandmanufacturingpurposeandbeusefulforunderstandingofresidualstressinimagingorotherapplications.

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简介：WiththemodifiedAlmenmethod,theforminganddevelopmentprocessofresidualstressinathermalsprayedcoatinghasbeenobtained.Thetestresultsidentifythattheresidualstressinacoatingisdependoncoatingmaterialproperties,techniqueandcoatingthickness.Thepaperpaysmuchattentiontothehysteresisbetweenthecoatingtemperatureandresidualstressinthecoatingorbetweentheappliedstressandthestrainofthecoating,andconfirmsthatthefactisresultedfromthe"GasFix"characterofathermalsprayedcoating.

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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：ＮｏｎｄｅｓｔｒｕｃｔｉｖｅｔｅｓｔｏｆｗｅｌｄｒｅｓｉｄｕａｌｓｔｒｅｓｓｅｓｂｙａｃｏｕｓｔｏｅｌａｓｔｉｃｔｅｃｈｎｉｑｕｅＪｉａｏＦｕｊｉｅ；ＺｈａｎｇＷｅｎｊｕｎａｎｄＹｕａｎＺｈｉｋａｎｇ（ＳｈａｎｇｈａｉＵｎｉｖｅｒｓｉｔｙｏｆＥｎｇｉ...

简介：-Thispaperadoptsapproximateformulasforresidualstressescausedbycoldbendingforplateswithstress-straincurveforma=Kn.Atypicaldistributionofthelongitudinalresidualstressduetoweldingisalsoassumed.Theeffectsofresidualstressduetocoldbendingandweldingonplasticbucklingofaxiallycompressedcylindricalshellsarestudiedbythefiniteelementmethod.

简介：Fourcategoriesofglobularproteins,includingall-α,all-β,α+β,andα/βtypes,aresimplifiedastheoff-latticeHNPmodelinvolvingthesecondary-structuralinformationofeachprotein.Thepropensityofthreetypesofresidues,i.e.,H,N,andPtoformasecondarystructureisinvestigatedbasedon146proteinsamples.WefindthatPresiduesareeasytoformα-helices,whereasHresidueshaveahighertendencytoconstructβ-sheets.ThestatisticalanalysisalsoindicatesthattheoccurrenceofPresiduesisinvariablyhigherthanthatofHresidues,whichisindependentofproteincategory.Changesinbond-andnon-bondedpotentialenergiesofallproteinsamplesunderawidetemperaturerangearepresentedbycoarse-grainedmoleculardynamics(MD)simulation.Thesimulationresultsclearlyshowalinearrelationshipbetweenthebond-stretching/bendingpotentialenergyandthereducedtemperature.Thebond-torsionalandnon-bondedpotentialenergiesshowdistincttransitionswithtemperature.Thebond-torsionalenergyincreasestothemaximumandthendecreaseswiththeincreaseoftemperature,whichisoppositetothechangeinnon-bondedpotentialenergy.Thetransitiontemperatureofnon-bondedpotentialenergyisindependentoftheproteincategory,whilethatofbond-torsionalenergyiscloselyrelatedtotheproteinsecondarystructure,i.e.,α-helixorβ-sheet.Thequantitativelybonded-andsemiquantitativelynon-bondedpotentialenergyof24α+βand23α/βproteinsamplesaresuccessfullypredictedaccordingtothestatisticalresultsobtainedfromMDsimulations.

简介：Aresidual-stressprofilealongthethicknessofanaluminumalloysheetisdeterminedbylaser-ultrasonictechnique.SurfaceacousticwavesaregeneratedbyaNd:YAGpulselaseranddetectedbyaHeterodyneinterferometeronalateralfreesurfaceofthesheet.Thedistributionofresidualstressisdeterminedbymeasuringtherelativevariationofthewavevelocitiesatdifferentlocationofthesamplealongitsthickness.Thistechniqueisvalidatedbythreedifferentresidualstressprofilesobtainedexperimentally.

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...