简介：Thisresearchadoptedfourmethodstotoughenepoxyadhesives.Theywereliquidhydroxylgroupterminatedpolybutadiene(HTPB)rubbermodification,siliconrubbermodification,polyacrylatemultiplicityelastomerparticulatesemulsionmodificationandchemicalgraftingmodification.Aftermodification,theshearingstrengthandtheraptureelongationweretested.Theinterfaceandthechemicalreactionbetweenthemodifiersandtheepoxywereanalyzedbyscanningelectronmicroscope(SEM)andinfraredopticalspectrum.Theresultsshowthattheelastomerparticulatesmodificationandthechemicalgraftingmodificationcanreachthebettertougheningeffects.

简介：ObjectiveTostudytheeffectsofBatroxobinonotitismediawitheffusion(OME),anearlystageofAdhesiveOtitisMedia(AOM),forthepurposeofexpandingourunderstandingoftheroleoffibrinolysisinthepathogenesisofAOM.MethodFortycasesofOME(45ears)wererandomlyselectedtoreceiveintratympanicadministrationofDexamethasoneat5mg/ml(Group1orG1),Batroxobinat1BU/ml(Group2orG2)orBatroxobinat2BU/ml(Group3orG3).Pre-andpost-treatmentchangesinclinicalsymptoms,theAirconductionHearingThreshold(AHT)inpuretoneaudiometryandaverageAHTover0.25to2kHzwerecompared.ResultsDatafrom31cases(33ears)wereavailableforanalysis.AHTsamongthreegroupsweresimilarpriortotreatment(P>0.05).TherateofnormalhearingfollowingtreatmentinG3was70%or7/10,higherthaninG1(41.7%or5/12)andG2(54.5%or6/11)(P<0.05).Therateofimprovementfollowingtreatmentwas81.8%or9/11and80.0%or8/10inG2andG3,respectively,higherthanthatinG1(50.0%or6/12)(P<0.05).ConclusionsTherapeuticeffectsofintratympanicinjectionofBatroxobinonOMEissuperiortotraditionallyusedDexamethasone.Inaddition,higherconcentrationofBatroxobinappearstobesuperiortolowerconcentrations.Thesefindingsconfirmthatfibrinolysisplaysapivotalroleinthepathogenesisofmiddleearadhesionandthatfibrinolyticmedicinecanpreventorreduceadhesiondevelopmentinthemiddleear.

简介：客观:以便粘合剂特性能被改进修改辛基--cyanoacrylate(OCA)医药adhesive.Methods:合适的修饰词包含polycaprolactone(打印机控制语言)，dibutylphthalate(DBP)，dioctylphthalate(DOP)并且poly，辛基methacrylat(POMA)被选择了修改OCA粘合剂，然后张力砍力量和粘合剂力量被测试评估adhesives.Results的契约特性:打印机控制语言组是张力的砍在正常温度的力量和粘合剂力量是descen

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简介：这研究的目的是用作为矩阵树脂作为传导性的fillers和修改环氧基树脂的organosilicone树脂经由solvothermal方法准备的银nanowires开发传导性的粘合剂。电的传导性的粘合剂和机械性质上的银nanowires/flakes的增加的效果被调查。与有银薄片fillers的常规传导性的粘合剂相比，有银nanowiresfillers的传导性的粘合剂的过滤阀值是10?%近似降低。然而，银nanowires的内容的进一步的上升没在传导性的粘合剂的电的传导性的改进上有明显的影响。传导性的粘合剂的传导性、机械的性质能由增加银nanowires是兼容的，哪个传统的银传导性的粘合剂reach.Graphical不能提炼银nanowires，舒适形态学经由alcohothermal准备了方法被介绍进传导性的粘合剂作文。它能被发现尽管存在，发现银nanowires在传导性的粘合剂相当被重叠crosslinking到某程度，然而，银nanowires不出现凝块的现象。有传导性的fillers能展出有利电、机械的性质的银nanowires的传导性的粘合剂。

简介：Thisletterreviewstheadhesiveandfrictionalpropertiesofthefirstmushroom-shapedadhesivemicrostructure(MSAMS),whichhascomealongwayfrominspirationbytheattachmentdevicesevolvedinbeetlestoalarge-scaleindustrialproduction.Itwasshowntohaveanthatabouttwicehigherpull-offforcecomparedtoasmoothcontrolmadefromthesamematerialmeasuredonsmoothsubstrates.Pull-offforcesmeasuredunderwaterareevenhigherthanthoseinair.Moreover,itretainedadhesiveperformanceoverthousandsofattachmentcyclesandinitialadhesivecapabilitycouldberecoveredbywashingafterbeingcontaminated.Inshearing,MSAMSexhibitsreducedandstabilizedfrictionincomparisonwithasmoothcontrol,whichdemonstratedpronouncedstick-slipmotion,andshowszeropull-offforceinashearedstate,allowingtheadhesiontobeswitchedonandoff.Thepresenceofafluidinthecontactzoneshowedadhesionenhancementonbothsmoothandroughsubstrates.AllthesefeaturesleadustoconcludethatMSAMSmayhavepracticalpotentialinavarietyofapplications.

简介：Inthispaper,usedBSO(Bi12SiO20)crystalasahologramrecordingmaterial,TV-cameraasadetector,andaholographicsetupcontrolledbyacomputer,automaticallycalculatinghologramof3-interferogramsmethodistheoreticallyandexperimentallystudied.Thisnewholographicrecordingmaterialandautomaticallycalculatinghologrammakeitpossibletousereal-timeholographyinanindustry.Asapracticalexample,theshrinkingof2-componentsadhesivein4hismeasured.

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简介：Objective:Toobservetheeffectofoctyl-a-cyanoacrylateuponbonehealinganditsdegradationinvitroaftermiddletibialtransversefractureinrabbits,andtoestablishtreatmentofhigherefficacywiththeapplicationofoctyl-a-cyanoacrylate.Methods:MiddletibialtransversefracturemodelofNewZealandrabbitswasestablished.Intheexperimentalgroup,internalfixationwith2mmKirschnerwireswasperformedandthebrokenendswerefixedwithoctyl-a-cyanoacrylate.Inthecontrolgroup,onlyinternalfixationwith2mmKirschnerwireswasconducted.Animalswerekilledatpresettimeintervalsof2,4,6,8,10and12weekspostoperativelyandsampleswereharvested.Results:Twoweeksafteroperation,clearfracturelineswereobservedinboththeexperimentalandthecontrolgroups.Fibroussofttissueconnectionwasnotedbetweenthebrokenendsandtherewassofttissueadhesionaroundthefracturesite.Therewasnocallusformationandthebrokenendsweresurroundedbyadhesivesofttissues.Obviousexternalcallusformationwasconfirmedat8weeksafteroperationinbothgroupswithpartialdisappearanceoffracturelines.Tenandtwelveweeksaftertheoperation,fracturelinesdisappearedcompletelyandtherewasobviousexternalcallusformationandboneunion.Inthefourthweek,fibrouscellsandchondrocyteswerefoundtogrowintothecolloidandsurrounditatthe6thweek.Theadhesivematerialwasdegradedandgraduallyabsorbedatthe8thweek.Chondrificationwasobserved.Conclusions:Twoweeksafterfixationfortibialfractureinrabbits,octyl-a-cyanoacrylatebeginsinvivodegradation.Chondrocytesandfibrocytesgraduallygrowintothedegradationareaandsurroundtheadhesivematerial,whichbrokeintopiecesat8weeks.Completedegradationanddisappearanceoftheadhesivematerialispresentbetween10and12weeks.Nobarriereffecthamperingfracturehealingisnoted.

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简介：Syntheticdryadhesivesinspiredbythenano-andmicro-scalehairsfoundonthefeetofgeckosandsomespidershavebeendevelopedforalmostadecade.Elastomericsinglelevelmicro-scalemushroomshapedfibresarecurrentlyabletofunctionevenbetterthannaturaldryadhesivesonsmoothsurfacesundernormalloading.However,theadhesionofthesesinglelevelsyntheticdryadhesivesonroughsurfacesisstillnotoptimalbecauseofthereducedcontactsurfacearea.Innature,contactareaismaximizedbyhierarchicallystructuringdifferentscalesoffibrescapableofconformingsurfaceroughness.Inthispaper,weadaptthenature’ssolutionaridproposeanoveldual-levelhierarchicaladhesivedesignusingPolydimethylsiloxane(PDMS),whichistestedunderpeelloadingatdifferentorientations.Anegativemacro-scalemoldismanufacturedbyusingalasercuttertodefineholesinaPoly(methylmethacrylate)(PMMA)plate.AftercastingPDMSmacro-scalefibresbyusingtheobtainedPMMAmold,apreviouslypreparedmicro-fibreadhesiveisbondedtothemacro-scalefibresubstrate.Oncethebondingpolymeriscured,themicro-fibreadhesiveiscuttoformmacroscalemushroomcaps.Eachmacro-fibreoftheresultinghierarchicaladhesiveisabletoconformtoloadsappliedindifferentdirections.Thedual-levelstructureenhancesthepeelstrengthonsmoothsurfacescomparedtoasingle-leveldryadhesive,butalsoweakenstheshearstrengthoftheadhesiveforagivenareaincontact.Theadhesiveappearstobeveryperformancesensitivetothespecificsizeofthefibretips,andexperimentsindicatethatdesigninghierarchicalstructuresisnotassimpleasplacingmultiplescalesoffibresontopofoneanother,butcanrequiresignificantdesignoptimizationtoenhancethecontactmechanicsandadhesionstrength.

简介：目的：观察经皮穴位电刺激对粘连前期肩关节周围炎的治疗作用。方法：采用大样本、多中心、随机化等循证医学研究方法，对163例粘连前期肩关节周围炎患者分别进行经皮穴位电刺激治疗和电针治疗，观察经皮穴位电刺激对粘连前期肩周炎的治疗作用及与电针治疗的效应比较。结果与结论：经皮穴位电刺激对粘连前期肩周炎的总有效率达到96．59％，与电针比较无明显差异；该疗法不仅具有明显的止痛效应，对肩关节活动障碍也有明显的改善作用。经皮穴位电刺激为治疗肩周炎有效、简便的疗法。

简介：自然粘合剂系统被改编属于不平的表面，而是内在的机制充分没被澄清。为甲壳虫Gastrophysaviridula的附件力量用一台离心机设备与不同粗糙在表面的环氧基树脂演员组上被记录。复制品用擦亮纸标准化，粗糙尺寸从0.05～30m并且船坞叶子(Rumexobtusifolius)做的。甲壳虫在光滑的底层上或在他们的主人植物的叶子的演员组上与多达36次身体重量的一个安全因素粘住。在不平的底层上，力量在小规模粗糙是更低的大部分和最小(0.05m粗糙尺寸，与5的一个吝啬的安全因素)被观察。爪的移动与粗糙尺寸为不平的底层在力量导致了重要减小12m。毛乎乎的粘合剂系统本身的附件力量(没有爪)稍微增加了从对大规模表面粗糙小规模，但是在在光滑的底层上看见的水平下面留下了。这被setal尖端的无能解释做完整的接触到表面。

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