简介：绝缘的常数和绝缘的损失，以及silylated纤维素的绝缘的松驰的活化能从10～50度C在频率范围10**5以内被测量到10**7Hz和温度范围。测试样品是有乙烯肼的激活的纤维素，与氢氧化钠并且在silylation前后使纤维素失去活性。大小用multi-deka-meter被执行。纤维素分子是处理比与氢氧化钠与乙烯肼激活的更多。通常，silylation引起绝缘的经常、绝缘的损失的显著减少，同时，silylated样品与氢氧化钠和乙烯肼与棉绒ers的预告的处理被影响。(编辑作者摘要)28个裁判员。

简介：AnewapproachtothemassiveproductionofTiCwhiskerswithhighpurityandlowcostwaspresented.Itisamodifiedcarbothermalreductionmethod(MCTR)characterizedbyargonstreamflowingverticallyandpassingthroughtheinteriorofthemixtureofrawmaterials.Itisfoundforthefirsttimethatthereisanoptimumflowoftheupwardflowingargonstream,atwhichlargequantityofhighqualityTiCcanbeobtained.Thispaperdescribedthenewmethod,analyzedthemechanismandconditionsfortheformationofhighpurityTiCwhiskersonalargescale,andcomparedMCTRwiththetraditionalcarbothermalreductionmethod(TCTR).Basedontheanalysisandcomparison,itisconcludedthatinordertoproducehighqualitytransitionmetalcarbides,nitridesandcarbonitrideswithlowcostTCTRmustbereplacedbyMCTR.

简介：Theobjectiveofthisresearchwastoshowawaytoconductrejuvenationofagedpolymermodifiedasphaltbinder(PMB)successfully.TofullyevaluateandunderstandtherejuvenationofagedPMB,thePenetrationgradetestsincludingpenetration,softenpoint,ductilityandelasticrecoveryandSuperpaveTMPGgradetestsincludingDSR,BBRandDDTwereconducted.TherejuvenationeffectofagedPMBbyutilizingafluidrecyclingagentincommonuseforbinderrejuvenationwasevaluated.AndthenthecompoundrejuvenationeffectofagedPMBbyutilizingtherecyclingagentwithanewmodifyingadditiveforbindermodificationwasevaluated.Theexperimentalresultsindicatedthattherecyclingagentincommonusecurrentlydoesnotapplytopolymermodifiedasphaltbinderrejuvenation.Buttherecyclingagenttogetherwiththemodifyingadditivecanrestorethecharacteristicsofagedpolymermodifiedbinderverywell.Therefore,compoundrejuvenationofpolymermodifiedasphaltbinderisrecommended.

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简介：构造工程的地里的聚合物修正有历史将近90年。尽管那些修正被分类进物理修正，到某程度的机械性质，水抵抗，化学抵抗和耐久性被不同聚合物修正改进了。获得似水泥的材料的更好的性能，化学修正被测试了。在这研究，环氧基树脂与它的相应hardener在修改系统作为一个占优势的修饰词被设计了。氨基的sulfonate，添加剂，被用来改进系统可使用性。当它有特殊的功能的组，功能的silane被用来在环氧基树脂，水泥一半和氨基的sulfonate之中建立连接。红外，拉曼光谱学，DSC和NMR执行的调查表明化学连接在修改系统在所有部件之中被建立了。当曲折力量和紧张实质地被改进了，曲折测试结果介绍化学修正的好效果。

简介：面包屑橡胶修改了包含30网孔的20%面包屑橡胶粒子的沥青被扫描电子显微镜(SEM)在沥青观察小宇宙的外观和面包屑橡胶粒子的典型分发检验了。SEM图画表明面包屑橡胶粒子在沥青均匀地散布并且他们与沥青兼容很好。shear爬面包屑橡胶的测试修改了沥青被执行在?10结合了穿着的板成功地在下列过程被获得：从18张层Al1060/Al3003表的基本的穿着的表第一在450点与44%的起始的滚动减小被获得???????????????″??吗？？

简介：作为水泥，磨擦在粒子特征和水泥的机械性质上帮助的修改triethanolamine的效果被学习，并且它的反应机制被红外，希腊语的第六个字母潜力，SEM，XRD和TG-DTA分析。结果证明为有0.015%修改triethanolamine(M茶)的水泥的332个m粒子的内容被12.4%增加，并且有0.03%M茶的水泥的压缩力量被5.5和8.2MPa分别地在3和28天增加。并且在水泥上磨擦和M茶的改进效果比triethanolamine好。机制分析显示出那M茶不仅氨基并且氢氧根茶组织，而且有酉旨，羰基，容易与水泥矿物质的金属离子结合的carboxyl组，导致那M茶能支持表面吸附并且在表面和粒子的裂缝节防护不饱和的费用，因此，粒子重聚被阻止，磨擦效率被改进。水泥上的M茶的改进主要躺因为它能与石膏和水支持或导致水泥矿物质的水和反应，它加速水和产品的形成，然后改进水泥水和产品的结构和形态学，因此，产品结构的一致性和紧密被增加。

简介：Thisresearchfocusedonusingthewasterubberpowderasakindofregenerateresourcestoimprovethemechanicalpropertiesofcementmortar.ThetwokindsofhybridmodifiedrubberpowderTRPandATRPwerepreparedbysol-gelmethodandthenusedincementmortar.Thestructuresandpropertiesofthemwerestudied.ItisshownthatthenanoSi-O-SinetworkisgeneratedinTRPandATRPnetworksandthehydrophilicgroupisgraftedonthesurfaceofATRP.Themechanicalpropertiesofrubber-treatedmortar(RTM)weretestedandthemicrostructuresofthemwerealsostudied.Comparedtothemortarswithunmodifiedrubberpowders(RP),NaOHtreatedrubberpowder(SRP)andcouplingagenttreatedrubberpowder(CRP),theRTMwithATRPhasthehighestcompressivestrengthandflexuralstrength.Thestress-straincurvesshownthatthepeakofstressofRTMwithATRPisincreasedandindicatedthehighercompressiondeformationandtoughness.ItisfoundthattheinterfacialadhesionbetweentheATRPandcementmortarisincreaseddistinctlybySEM,whichresultsinenhancedductilityandmechanicalpropertiesofRTMwithATRP.

简介：高效水泥基于合成材料被增加环氧基树脂准备乳剂。环氧基树脂乳剂与环氧基树脂被综合在实验室的磷的酸酉旨和poly乙二醇。这环氧基树脂乳剂优于另外的乳剂，例如稍微使脱水了，并且，很好拍摄形成能力。环氧基树脂乳剂的机械性质堕落抵抗和结构修改了水泥臼被学习。试验性的结果证明修改水泥臼的机械性质稍微与增加环氧基树脂乳剂内容被增加，特别弯曲力量。所有修改的臼的堕落抵抗比未修改的臼好。聚合物电影形成在矩阵和总数区域之间的桥阶段，并且在水泥水和系统形成三尺寸的结构，它改进修改的臼的机械性质。

简介：超分子的紫外抵抗materiallayered修改的沥青的动态rheological性质加倍氢氧化物(LDH)被学习借助于动态砍电流计(数据设置就绪)测试。二典型基础沥青被选择，由2不同LDH的modifi编辑满足。数据设置就绪测试在原来的样品上被执行，在暴露了到以后，取样室外并且在artificial以后的样品分别地加速了紫外老化测试分析rheological性质。当LDH内容在沥青重量，高温度表演和疲劳的3wt%和5wt%之间时，它被发现那modifi编辑沥青的抵抗性质变得更好，紫外老化抵抗性质被改进。

简介：EvaluationofhightemperatureperformanceofSBS-modifiedasphaltmixturewaspresented.Bothwheelloadedmethodandcreepmethodwereadoptedfortwodifferentmixturesandtwokindsofspecimenswithdifferentheight,andcorrespondingindicatorsweremeasured.Meanwhile,thecorrelationbetweentheseindicatorswasthoroughlyanalyzedandtwokindsofmixtureswerecompared.TheexperimentalresultsshowthatthereisagoodlinearrelationshipbetweenLWTindicatorsandCTindicatorsforM-13,whilearelativelypoorrelationshipforM-25,especiallythatbetweendynamicstiffnessandstaticstiffnessandthatbetweendynamicstabilityandstaticcreepstiffness.Besides,logarithmicrelationshipbetweenDSandRDhasahigherdeterminationcoefficientthanthatforlinearrelationship.Thus,multi-indexevaluationshouldbetakenforsyntheticallyassessinghightemperatureperformanceofasphaltmixture.

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简介：在使用micro-arc-oxidization(毛)并且随后在不同模仿的生理的环境与poly-L-lactic酸(PLLA)封上的表面修正以后的新奇高张力AZ31B镁合金电线的降级行为被调查。表面毛micropores能身体上是的结果表演由PLLA封上，因此为电线形成有效保护到腐蚀抵抗。在在低pH价值(1.5或2.5)的模仿的胃的液体(SGF)，对待的电线让高降级与质量，直径，机械性质和沉浸液体的pH价值的重要增加的快速的减少评价。然而，表面修正能有效地与上面的pH价值在SGF减少对待的电线的降级率4.0。为在在pH=的模仿的肠的液体的对待的电线8.5，他们的力量保留能力在强壮的酸的SGF比那高。并且质量的损失率比直径的快，当沉浸液体的pH价值减少时。在模仿的身体环境的修改电线有最好的力量保留能力，这应该被注意。电线显示出显示他们的不同降级机制的不同降级行为，它也在这个工作被建议。

简介：TheagingmechanismofSBSmodifiedasphaltduringitsagingprocesswasstudied.Thecharacterizationsofbaseasphalt,SBSpolymeranditsmodifiedasphaltweredeterminedindifferentagingtimebyFouriertransforminfraredspectrum(FTIR).FTIRshowsthatoxidativedehydrogenationreactionoccursinasphalt,andunsaturatedcarbonbondisgeneratedundershort-termthermalagingcondition.Additionally,SBSpolymerwasagedsignificantlyunderthatcondition,thespeedofwhichwasfasterthanthatofbaseasphalt.TheaginglawsofbothasphaltandSBSpolymerduringtheagingprocessofSBSmodifiedasphaltweresimilartotheiraginglawsrespectively.DuetotheprotectiveeffectbetweenasphaltandSBSpolymer,theagingdegreesofasphaltandSBSpolymerwerelowerthanthoseagedindependently.

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简介：Modifiedsensingmembranesbasedonfluorescencequenchingwerepreparedbythesol-gelmeth-od,usingformamideasthedryingcontrolchemicaladditive,tetraethoxysilaneasthemainmaterial,Ru(phen)3Cl2astheindicator.Themembranewiththeoptimumthicknessof20-50μmisuniformandcrack-free,inwhichtheindicatorhasaverysmallleakingrate.Themembraneisimmersedinwaterfor50h,themembranesensingparameterMdecreasesbylessthan5%.Thefiberopticoxygensensorwiththesensingmembranehasadetectionlimitof5×10-6M(ppm),aresponsetimeoflessthan30s,excellentreproducibilityandstability.

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简介：Flyashfloatingbead(FAFB)wasmodifiedbythenonionicsurfactantpolyethyleneglycol(PEG)undervariousconcentrationstoimproveitshydrophobility,andthenPEGmodifiedFAFBcompositedwithpolyaniline(FAFB-PEG/PAn)byemulsionpolymerizationmethodusingdifferentfeedratiosofFAFBPEG.Thechemicalstructure,phasestructure,microstructure,conductivity,anddielectricpropertieswerestudiedbyFT-IR,XRD,SEM,four-probetechnique,andLCRdigitalbridge,respectively.ItwasdemonstratedthattheoptimalconcentrationofPEGwas1mol/Landthecorrespondinggraftingratiowas1.42%.ThephasestructureofFAFBwasnotdestroyedaftermodificationbyPEG,whilethesurfacebecamesmootherandcouldbecoatedbyPAnsuccessfullyaccordingtoSEMtechnique.ComparedtothatofdodecylbenzenesulfonicaciddopedPAn(PAn-DBSA),theconductivityofFAFB-PEG/PAnwasdecreasedby10-100timesafterintroductionofvariousamountsofFAFB-PEG,especiallythevaluecouldbedecreasedto0.01Scm~(-1)if50wt%ofFAFBPEGwasprovided.Additionally,thedielectricconstantandlossfactorofFAFB-PEG/PAncompositesgraduallydecreasedwithincreasingamountofFAFB-PEGinthefrequencyrangeof100KHz-2MHz,namely,thedielectricconstantcouldbestillkeptat500andcorrespondinglythelossfactordecreasedto4.7at100KHzif50wt%ofFAFB-PEGwasprovided.TheleakingcurrentphenomenonderivedfromPAn-DBSAcouldalsobeweakenedbyFAFB-PEG.

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简介：Duetotheminiaturizationofmoderndevicesre-quirecomponentswithlightweight,highintegra-tionandtheabilitytostoreenergyinassmallvol-umeaspossible.Asaresult,energystoragedensitybecomesanimportantfigureofmeritforenergystor-agedevices.Inthispaper,firstly,wediscussedtheenergydensityinfine-grainedleadzirconatetita-nateglass-ceramicscompositewiththehelpofthe