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简介：Weevaluatetheinfluenceofthethermallyassistedtunneling(TAT)mechanismonchargetrappingmemory(CTM)cellperformancebynumericalsimulation,andcomprehensivelyanalysetheeffectsofthetemperature,trapdepth,distributionoftrappedcharge,gatevoltageandparametersofTATonerasing/programmingspeedandretentionperformance.TATisanindispensablemechanisminCTMthatcanincreasethedetrappingprobabilityoftrappedcharge.OurresultsrevealthattheTATeffectcausesthesensitivityofcellperformancetotemperatureanditcouldaffecttheoperationalspeed,especiallyfortheerasingoperation.TheresultsshowthattheretentionperformancedegradescomparedwithwhentheTATmechanismisignored.

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简介：Twoaromaticco-polyamidesweresynthesizedcombiningtwodiacidmonomerscontainingbulkypendantgroups,5-(9,10-dihydro-9,10-ethanoanthracene-ll,12-dicarboximido)isophthalicacid(DEAIA)and5-tert-butylisophthalicacid(TERT),with4,4f-(hexafluoroisopropylidene)dianiline(HFA)or2,3,5,6-tetramethyl-l,4-phenylenediamine(Durene)bydirectpolycondensation.Thestructuresoftheobtainedaromaticco-polyamideswereconfirmedbyFTIR,Ramanand'H-NMR.Theco-copolyamidefilms,DHTHandDDTD,exhibitedrms-roughnessvaluesbetween0.94and1.60nm,respectively.Moreover,theypresentedgoodthermalstabilityupto300℃.Young'smodulioftheco-polyamidefilmswerebetween4.1and4.3GPa.X-raydiffractionresultsshowedthattheco-polyamidefilmswereamorphousduetotheincorporationofbothbulkypendantgroups,tert-b\xty\anddibenzobarrelene.Thecombinationofbulkypendantgroupsprovidedintrinsicallytransparentco-polyamidefilmswithatransmittancehigherthan88%intherangeof400-780nm.Duetotheseoutstandingfilmandopticalproperties,theyaresuggestedtobeflexiblesubstratesinapplicationsforsolarcellandotherportableelectronicdevices.

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简介：Thebuildingsectoranditsheatingandcoolingrepresentoneofthemajorconsumerofenergyworldwide.Simultaneously,theshareoffluctuatinggenerationofrenewableenergiesintheenergymixincreases.Thereforestorageanddemandsidemanagementtechnologiesarerequired.Thenewadaptiveandpredictivecontrolalgorithmforthermallyactivatedbuildingsystems(TABS)basedonmultiplelinearregression(AMLR)presentedinthispaperenablestheapplicationofdemandsidemanagement(DSM)strategies.Basedonsimulations,differentstrategieshavebeencomparedwitheachother.ByapplyingtheAMLRalgorithm,electricityenergycostsavingsof38%couldbeachievedcomparedtotheconventionalcontrolstrategyforTABS,whileincreasingthethermalcomfort.Atthesametime,thermalenergydemandcanbereducedintherangebetween4%to8%,andpumpoperationtimefrom86%to89%.

简介：composted污水污泥(CS)并且热地的年度增加的效果在80t弄干污水污泥(TS)哈?1在半干旱的条件下面在一个地实验在土壤化学药品性质上被调查三年。腐殖的酸()从CS，TS，和unamended由常规过程孤立(那么)并且污泥修改了土壤被分析为元素(C，H，N，S和O)并且酸的功能的组(羧基、酉分)并且由紫外可见，红外线的Fourier变换和荧光光谱学。关于CS，TS有内容，更大的干燥的事，全部的器官的C，全部的N和C/N比率和更小的灰满足的类似的pH和全部的P和K和电的电导率。有CS和TS的改正在土壤性质导致了很多修正，包括pH，电的传导性，全部的器官的C，全部的N，和可得到的P的增加。CS--哈有的更大的O，全部的酸味，carboxyl，并且酉分哦比TS组织内容和H内容--哈。CS--哈并且TS--哈有的更大的N和S内容，更小的C，O和酸的功能的组内容，和更低的芳香的polycondensation和humification度比那么--哈。修改土壤--显示出C，H，N和比大的S内容那么--哈，建议污泥有部分被合并到土壤。这些效果与增加污泥应用的数字是更明显的。

简介：Thethermallystimulatedshapememorybehaviorofethyleneoxide-butyleneterephthalate(EOBT)segmentedcopolymerswithdifferentsoftsegmentmolecularweightandhardsegmentcontentwasinvestigated.ThedeformationrecoveryratioR_foftheEOBTsamplesincreaseswiththesoftsegmentmolecularweightandthehardsegmentweightcontent,whiletheaverageoveralldeformationrecoveryspeedV_rincreaseswiththehardsegmentcontent.Thetemperatureofmaximumdeformationrecoveryspeed(T_M)isdeterminedbythemeltingtemperatureofthesoftsegmentcrystalsandthestabilityofthecrystallizedhardsegmentdomains.

简介：这研究是为冷却高温度汽轮机翼和片的先进调查。在片的表面附近交换的有效的热可以被强迫从在结构的高力量金属上被粘贴的多孔的金属的薄层射出的冷却空气流动完成。内容通过多孔的材料，具体建模和模型，的分析的层在热转移的计算模型上包括考虑为二层的多孔的材料和热转移的关键参数的数字调查通过模型隧道的液体流动。结果表明构造系统是合理的。为多孔的材料热转移效率建议了一个评估公式。

简介：CeO2-ZeO2稳固的溶液广泛地在当前的汽车的三路的催化剂被用作氧存储倡导者。高热的稳定性组织上性质自从直到1273K的温度被这些材料容易在真实工作条件下面经验丰富，是为实际申请的最重要的要求之一。在现在的纸，我们调查了热水的处理怎么适用于一些做并且ZrO2富有的CeO2-ZrO2先锋可能改进的undoped最后的CeO2-ZrO2稳固的solution.A基本原理的热稳定性被开发那在最后的产品的1273K与热稳定性允许热水地对待的蛋糕的形态学到相互关联，它没取决于混合氧化物的作文。

简介：Samplesofacobalt-basedalloythatunderwentasurfacetreatmentwereevaluated.Thesamples,whichwereobtainedbycastingalloyASTMF75,weregroundandpolishedononesideuntilamirrorfinishwasobtained.Thesampleswereencapsulatedinwollastonite(W)usinguniaxialpressure,treatedat1220℃for1handsubsequentlytemperedinwater.Thecharacterisationofthesampleindicatedthatpartoftheceramicencapsulatingmaterialwasmechanicallyincorporatedonthemetallicsurfacebygrowthoftheoxidelayerofthealloy.Afterthermaltreatment,aseriesofspecimensweresubmergedinasolutionwith5-foldsimulatedbodyfluid(5SBF)for3,5and21days.Characterisationbyscanningelectronmicroscopy(SEM),energydispersivespectroscopy(EDS)andX-raydiffraction(XRD)indicatednucleationandgrowthofahomogenouslayerofapatite,beginningonthethirddaywhenthesamplewassubmerged.

简介：包含1,3,4-oxadiazole单位的热地稳定的聚合物作为溶剂在pyridine与芳香/脂肪族的二度酸氯化物通过芳香/脂肪族的bis-tetrazole混合物的Huisgen反应被综合了。获得的聚合物甚至在象DMSO和DMF那样的极的aprotic溶剂不可溶解或稍微可溶。相对高的固有的粘性价值(0.611.33dL/g，在在25点的0.125%H2SO4????????????????????????倠？？

简介：以便综合新聚酰胺(PA)5并且copolyamides(CoPA)7a-7d，一包含triazine的二羟基的酸新型戒指成功地从2,4-dichloro-6-methoxy-s-triazine被综合1并且4-aminobenzoic酸。新聚酰胺5包含triazine一半从4,4-(6-methoxy-1,3,5-triazine-2,4-diyl)被准备二度(azanediyl)dibenzoic酸3并且由直接polycondensation反应的4,4-diaminodiphenylether。然后新的系列有在普通器官的溶剂的高溶解度的热地稳定的copolyamides7a-7d从作为第一单体的二酸3的直接polycondensation反应被综合，脂肪族芳香的二酸6a-6d作为第二二酸和4,4-diaminodiphenylether。上述所有聚合物充分被描绘由<啜class=“a-plus-plus”>1H-NMR和FTIR光谱学，元素的分析(CHN)，固有的粘性，溶解度测试，胶化浸透层析(GPC)，微分扫描热量测定(DSC)和thermogravimetric分析(TGA)。结果的CoPAs7a-7d显示出好固有的粘性，溶解度和热性质。

简介：Thepresentworkisconcernedwithapenny-shapedDugdalecrackembeddedinaninfinitespaceofone-dimensional(1D)hexagonalquasicrystalsandsubjectedtotwoidenticalaxisymmetrictemperatureloadingsontheupperandlowercracksurfaces.ApplyingDugdalehypothesistothermo-elasticresults,theextentoftheplasticzoneatthecracktipisdetermined.Thenormalstressoutsidetheplasticzoneandcracksurfacedisplacementarederivedintermsofspecialfunctions.Forauniformloadingcase,thecorrespondingresultsarepresentedbysimplifyingtheprecedingresults.Numericalcalculationsarecarriedouttoshowtheinfluenceofsomeparameters.

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简介：新奇的有点芳香的肼，N-(4-(4-(2,6-diphenylpyridine-4-yl)含苯氧基)苯基)-3,5-diaminobezamide(DPDAB)，与4-经由3,5-dinitrobenzoylchloride的芳香的亲核的替换被综合(4-(2,6-diphenylpyridine-4-yl)含苯氧基)苯胺(DPPA)，由催化钯的肼列在后面减小。这单体被用来commerically与几基于反应准备polyimides(PI)avaiabletetracarboxylicdianhydrides象pyromellaticdianhydride(PMDA)那样，benzophenonetetracarboxylicacidedianhydride(BTDA)和自行车[2.2.2]oct-7-ene-2，3,5,6-tetracarboxylicdianhydride(BCDA)。这些PI在0.340.76dL/g的范围有固有的粘性并且在各种各样的aprotic显示出好溶解度极的溶剂。PI的眼镜转变tempratures(Tgs)在184302的范围

简介：Anall-fiberizedandnarrow-bandwidthmasteroscillatorpoweramplification(MOPA)systemwithrecordoutputpowerof4kWlevelandslopeefficiencyof78%isdemonstrated.Tandempumpingstrategyistentativelyintroducedintothenarrow-bandwidthMOPAsystemforthermallyinducedmodeinstability(TMI)suppression.ThestimulatedBrillouinscattering(SBS)effectisbalancedbysimplyusingone-stagephasemodulationtechnique.Withdifferentphasemodulationsignals,SBSlimitedoutputpowersof336W,1.2kWand3.94kWarerespectivelyachievedwithspectralbandwidthsaccountingfor90%powerof~0.025,0.17and~0.89nm.Comparedwithourprevious976nmpumpingsystem,TMIthresholdisoverallboostedtobe>5timesinwhichtandempumpingincreasestheTMIthresholdof>3times.Thebeamquality(M~2factor)oftheoutputlaseriswellwithin1.5belowtheTMIthresholdwhileitisultimatelysaturatedtobe1.86withtheinfluenceofTMIatmaximaloutputpower.ExceptforSBSandTMI,stimulatedRamanscattering(SRS)effectwillbeanotherchallengeforfurtherpowerscaling.InsuchahighpowerMOPAsystem,multidetrimentaleffects(SBS,SRSandTMI)willcoexistandmaybemutual-coupled,whichcouldprovideawellplatformforfurthercomprehensivelyinvestigatingandoptimizingthehighpower,narrow-bandwidthfiberamplifiers.

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