简介：Puretungsten（PW）andW-1wt%La2O3（WL10）werepreparedbypowdermetallurgicalroutefollowedbytheswaging+rollingprocess.Thelogarithmicstrainsare0,0.37,0.58,and0.98forWL10and0,0.58forPW.Heattreatmentswereperformedattemperaturesvariedfrom1,573to2,173Ktodeterminetherecrystallizationtemperature.Recrystallizationtemperaturesare1,973and2,173KforWL1（logarithmicstrainof0.37）andWL3（logarithmicstrainof0.98）,respectively.ButinthecaseofWL2（logarithmicstrainof0.58）,fullrecrystallizationisnotachievedattemperatureofabove2,173K.Furthermore,therecrystallizationtemperatureofPWwithlogarithmicstrainof0.58isatleast300KlowerthanthatoftheequivalentWL10sample.Moreover,theincreaseofrecrystallizationtemperatureinhibitsthestrengthdegradationofWL2:sampleslose4%and22%strengthwhenannealedat1,573and1,973Kcomparedwithroomtemperature（RT）sample.Finally,thetextureevolutionfortheswaged+rolledWL10issignificantlyrelatedtothedeformationdegree:thedominatedorientationis<001>forWL2while<110>forWL3.

简介：BasedonNCEP/CFSR0.5°reanalysisdataandthebesttrackdatafromtheJapanTokyoTyphoonCenter,compositeandcomparativeanalysesdemonstratetheasymmetricalstructuresofthetemperatureandhumidityintropicalcyclonesovertheWesternNorthPacificandtheSouthChinaSeafrom1979to2010.Theresultsareshownasfollows.（1）Withintensifyingtropicalcyclones,theflowfieldtendstobecomegraduallymoreaxisymmetric;however,theasymmetryofthespecifichumidityintheouterregionsismoreobvious.（2）Ingeneral,tropicalcycloneshaveanon-uniform,vertical,'doublewarm-core'structure.The'warm-cores'inthelowerlevelofweaktropicalcyclonesandinthehigherlevelofstrongtropicalcyclonesarethestrongerofthetwo.（3）Thedistributionareaofa'warm-core'isenhancedwithcycloneintensificationandtendstobecomemoreaxisymmetric.At200hPa,the'warm-core'ofaweakcyclonehasaweakanticycloneinthecenter,whereasthatofastrongcyclonehasaweakcycloneinthecenter.（4）The'wet-core'ofatropicalcycloneisprimarilylocatedinthelowerlevel（700-850hPa）.Withthecyclone’sintensification,theintensityofthe'wet-core'increasesandthescopeofthe0.8gkg-1specifichumidityanomalytendstoexpandtohigherlevels.（5）Withthecyclone’sdeepening,thepseudo-equivalentpotentialtemperatureatdifferentlevelsindifferentregionsincreases.Inaddition,thelargestwarmingratesateachintensitylevelinthedifferentregionsoccurinthecorearea,followedinturnbytheenvelopeandouterareas.

简介：一系列随机的共聚物(PCLA)被D，L减水乳酸(LA)和-caprolactone(CL)的戒指洞聚合与不同臼齿的比率综合。PCLA基于聚氨酯(PCLAU)被获得由有hexamethylenediisocyanate(HDI)的PCLA和polytetramethylene醚(PTMEG)扩大链。所有PCLAU超过98%与高形状固定性比率展出好形状记忆性质，在第一的超过82%的形状恢复比率骑车，91%在第二骑车。有更少的CL内容的PCLAU证明有更多的CL内容的更快的恢复速度和PCLAU显示出更高的形状恢复比率。扳机温度能被以CL调整LA的臼齿的比率在身体温度附近调节或控制。PCLAU有潜在的应用在植入生物医学的设备，特别为最低限度地侵略的可部署的设备。

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简介：Asaresultofthenonlineareffect,acousticstreaminghasbeenwidelyusedforincreasingthetransportcoefficientordrivingarotor,forexample,inresonantcavitiesandnon-contactultrasonicmotors.IthasbeendemonstratedbyexperimentsthatatemperaturegradienttransversetothewavepropagatingdirectioncansignificantlyincreasethevelocityofthestreamingBowsinresonantcavities.Tocheckwhetherthetransversetemperaturegradientcanalsoincreasetheworkingvelocityofacousticstreaming-drivenmotors,weinvestigatethisissuebynumericallysolvingthehydrodynamicequations.Itisfoundthatthevelocityoftherotoronlyweaklydependsonthetransversetemperaturegradient,e.g.,evenwithatemperaturedifferenceof40℃betweentherotorandthestator,thevelocityincreasesonly~8.8%.

简介：Thispaperdevelopesatemperaturecontrolsysteminordertocarryoutarealtimeandcontinuousobservationonlivingcellsunderthemicroscope.Inthissystem,transparentindiumtinoxid(ITO)conductivefilmwasusedasaheater,temperaturewasmeasuredbythetemperaturedependenceofresistancebehavioroftheITOfilm,C8051F340single-clupwasusedasthecontrolhardwarecore,andthemodifiedPIDalgorithmandpulsewidthmodulation(PWM)wereadoptedasthekeycontrolsoftwareprograms.Thetemperaturesystemhadasimplestructurewithoutaddedtemperaturesensor,anuniformtemperaturedistributionwithin±1℃ontheITOfilmsurfaceandtemperaturecontrolprecisionof±0.2℃couldbeobtained.ThesystemcouldmaintainagoodgrowthstateforBHK-21livingcellunderthemicroscopefor48h.

简介：

简介：AnexperimentwasperformedontheShenguangIIIprototypelaserfacilitytocontinuethestudyonhohlraumradiationsourcewithapproximatelyconstantradiationtemperatureusingacontinuouslyshapedlaserpulse.Aradiationsourcewithaflattoptemperatureofabout130eVthatlastedabout5nswasobtained.Thepreviousanalyticaliterationmethodbasedonpowerbalanceandself-similarsolutionofablationwasmodifiedtakingintoaccounttheplasmamovementsanditwasusedtodesignthelaserpulseshapeforexperiment.Acomparisonbetweenexperimentalresultsandsimulationispresentedandbetteragreementwasachievedusingthemodifiedmethod.Furtherimprovementsarediscussed.

简介：Alightpurplishredsapphireisheattreatedinanairtightcrucible.Thesamplechangeslittleincolorafterreceivingheattreatmentat1100°C,butturnstolightblueandblueafterbeingtreatedat1200°Cand1300°C,respectively.Beforeheating,theUV-VISabsorptionspectraofthesamplearedominatedbythe551nmbroadabsorptionbandcontributedbythed-electrontransition~4A_2→~4T_2ofCr~(3+).Afterheating,theUV-VISabsorptionspectraaredominatedbythe563nmbroadabsorptionbandcontributedbytheintervalencechargetransferofFe~(2+)-Ti~(4+).ThexrayphotoelectronspectroscopytestrevealsthattheFe~(2+)andTi~(4+)ioncontentsincreasewithincreasingtemperature.ThesapphirechangingfromlightpurplishredtoblueintheheatingprocessisowingtothefactthattheFe~(2+)andTi~(4+)contentsgrowandtheintervalencechargetransferofFe~(2+)-Ti~(4+)selectivelyabsorbsUV-VISlight.

简介：Ithasbeensuggestedthathydrogen-richsystemsathighpressuremayexhibitnotablyhighsuper-conductingtransitiontemperatures.Oneofthemoreinterestingtheoreticalpredictionswasthathydrogensulfidecanbemetallizedandthehigh-temperaturesuperconductingstatecanbeinduced.Arecordcriticaltemperature（203K）waslaterconfirmedforH3Sinanexperiment.Inthispaper,weinvestigated,withintheframeworkoftheEliashbergformalism,thepropertiesofcompressedMgH6,whichisexpectedtobeaverygoodcandidateforroom-temperaturesuperconductivity.Thisappliesparticularlytothepressurerangefrom300to400GPa,wherethetransitiontemperatureiscloseto400K.Moreover,theestimatedthermodynamicpropertiesandtheresultingdimensionlessratiosexceedthepredictionsoftheBardeen-Cooper-Schrieffertheory.Thisbehaviorisattributedtothestrongelectron-phononcouplingandretardationeffectsexistinginhydrogen-dominatedmaterialsunderhighpressure.

简介：Adiode-pumpedalkalivaporlaser(DPAL)isoneofthemostpromisingcandidatesofthenext-generationhigh-poweredlasersource.Asthesaturatednumberdensityofalkalivaporishighlydependentonthetemperatureinsideavaporcell,thetemperaturedistributioninthecross-sectionofacellwillgreatlyaffectthehomogeneityofalasermediumandtheoutputcharacteristicsofaDPAL.Inthispaper,wedevelopedanalgorithmbasedontheregimeconcludingquasi-HilberttransformtoevaluatethephaseaberrationofawavefrontwhentheprobebeampassesthroughthevaporcellplacedinonearmofaMach–Zehnderinterferencesetup.Accordingtothetheoreticalalgorithm,wededucedthetemperaturedistributionofacesiumvaporcellfordifferentheatingconditions.Thestudyisthoughttobeusefulfordevelopmentofahigh-poweredlaser.

简介：高温度液体被注入微尺寸毛状并且它的轻繁殖行为被调查。我们集中于抽方法的二不同液体。第一个方法能把高温度液体听输入微尺寸由使用一个高压力差别系统毛状。在抽以后，与光搬运人一起连接的单个模式纤维(SMF)基于微波interferometry(OCMI)系统被用来测量不同液体听层次在微尺寸毛状。第二个方法能把房间温度引擎油输入由使用注射泵毛状。当液体被输入时，这个方法能避免空气水泡毛状。

简介：盖住春天小潮的地调查潮汐的时期被进行在南部的Hangzhou海湾在一条弄弯的隧道以内调查潮汐的动力学的特征，中国。隧道与2.5m的一个平均潮汐的范围有超过100m的最大的深度，用作在Hangzhou海湾的南部的部分的主要潮汐的经过。水咸度，温度和速度数据从基于轮船的横断和系在的大小被收集。在洪水潮期间，潮汐的水流与大约2m/s的最大的速度通过隧道的北方面侵入进Hangzhou海湾，当时通过南部的方面撤退在期间退有1.8m/s的最大的速度的潮。由于压力，密度坡度，Coriolis力量和离心的效果，当潮汐的水流从洪水放松退，侧面的交换流动被产生。在隧道的水微弱地在夏天时间在春天和小潮潮期间被成层的咸度和温度数据表演。然而，在中间的区域混合将被侧面的发行量提高。系在的数据显示温度和咸度在类似于潮汐的电流却比海水平摆动高的频率正在变化。我们的结果支持高频率咸度和温度变化能被潮汐的水流和侧面的交换流动的联合产生的假设。

简介：Superoxidedismutase(草皮)是包括海洋的无脊椎动物在各种各样的有机体对反应的氧种类在抗氧化剂小径玩第一根防卫线的关键抗氧化剂酶。在那里主要存在二种特定的形式，Cu/Zn-SOD(SOD1)和Mn草皮(SOD2)，在优核质。草皮被知道被许多环境stressors并发地调制。由使用中央合成试验性的设计和反应表面方法，关节水完成温度(18-34栠杩?潨潭潬祧眠瑩?湫睯?湩敶瑲'O慲整洠汵楴爭灥慥?琭票潭楳獮

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简介：Anagrusnilaparvataeisthedominanteggparasitoidofriceplanthoppersandplaysanimportantroleinbiologicalcontrol.Symbioticbacteriacansignificantlyinfluencethedevelopment,survival,reproductionandpopulationdifferentiationoftheirhosts.TostudytheinfluenceoftemperatureonsymbioticbacterialcompositioninthesuccessivegenerationsofA.nilaparvatae,A.nilaparvataewereraisedunderdifferentconstanttemperaturesof22°C,25°C,28°C,31°Cand34°C.Polymerasechainreaction-denaturinggradientgelelectrophoresiswasusedtoinvestigatethediversityofsymbioticbacteria.OurresultsrevealedthattheendophyticbacteriaofA.nilaparvataewerePantoeasp.,Pseudomonassp.andsomeunculturedbacteria.ThebacterialcommunitycompositioninA.nilaparvataesignificantlyvariedamongdifferenttemperaturesandgenerations,whichmightbepartiallycausedbytemperature,feedingbehaviorandthephysicalchangesofhosts.However,theanalysisofwspgeneshowedthattheWolbachiainA.nilaparvataebelongedtogroupA,sub-groupMorsandsub-groupDro.Sub-groupMorswasabsolutelydominant,andthisWolbachiacompositionremainedstableindifferenttemperaturesandgenerations,exceptforthe3rdgenerationunder34°Cduringwhichsub-groupDrobecamethedominantWolbachia.Theaboveresultssuggestthatthecontinuoushightemperatureof34°CcaninfluencetheWolbachiacommunitycompositioninA.nilaparvatae.

简介：AsoneofthekeyunitsofspaceCCDcamera,thetemperaturerangeandstabilityofCCDcomponentsaffecttheimage’sindexes.Reasonablethermaldesignandrobustthermalcontroldevicesareneeded.Onekindoftemperaturecontrolloopheatpipe(TCLHP)isdesigned,whichhighlymeetsthethermalcontrolrequirementsofCCDcomponents.InordertostudythedynamicbehaviorsofheatandmasstransferofTCLHP,particularlyintheorbitalflightcase,atransientnumericalmodelisdevelopedbyusingthewell-establishedempiricalcorrelationsforflowmodelswithinthreedimensionalthermalmodeling.Thetemperaturecontrolprincipleanddetailsofmathematicalmodelarepresented.Themodelisusedtostudyoperatingstate,flowandheatcharacteristicsbasedupontheanalysesofvariationsoftemperature,pressureandqualityunderdifferentoperatingmodesandexternalheatfluxvariations.TheresultsindicatethatTCLHPcansatisfythethermalcontrolrequirementsofCCDcomponentswell,andalwaysensuregoodtemperaturestabilityanduniformity.Bycomparisonbetweenflightdataandsimulatedresults,itisfoundthatthemodelistobeaccuratetowithin1℃.ThemodelcanbebetterusedforpredictingandunderstandingthetransientperformanceofTCLHP.

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简介：Background:Artificialturfisconsideredafeasibleglobalalternativetonaturalturfbymanysportsgoverningbodies.Consequently,itsabilitytoprovideasafeandconsistentplayingsurfaceregardlessofclimatebecomesessential.Theaimsofthisstudyweretodeterminetheeffectsofartificialsurfacetemperatureon:(1)mechanicalpropertiesoftheturfand(2)thekinematicsofaturf-sportrelatedmovement.Methods:Twoidenticalartificialturfpitchesweretested:onewithacoldsurfacetemperature(1.8°C–2.4°C)andonewithawarmsurfacetemperature(14.5°C–15.2°C).Mechanicaltestingwasperformedtomeasurethesurfaceproperties.Fouramateursoccerplayersperformedahurdlejumptosprintaccelerationmovement,withdata(contacttime,steplengthandhip,kneeandanklekinematics)collectedusingCODASport(200Hz).Results:Thetemperaturedifferencehadasignificantinfluenceonthemechanicalpropertiesoftheartificialturf,includingforceabsorption,energyrestitution,rotationalresistance,andtheheightwheretheheadinjurycriterionwasmet.Bothsteplength(p=0.008)andcontacttime(p=0.002)oftheinitialstepafterthelandingweresignificantlylongeronthewarmsurface.Inaddition,significantrangeofmotionandjointangularvelocitydifferenceswerefound.Conclusion:Thesefindingshighlightdifferentdemandsplacedonplayersduetothesurfacetemperatureandsuggestaneedforcoaches,practitioners,andsportsgoverningbodiestobeawareofthesedifferences.

简介：一个简单波长无关的规模因素模型为靠近环的干涉仪纤维被建立眼的回转仪(IFOG)和一个方法被建议为空格申请在高效IFOG把规模因素作为容忍的放射和温度马厩。一半波浪电压(在不同波长和温度的多功能旋转罗盘薄片的V)被测量，调节的人的放射无关的固有的参数被选出并且发现与温度并且稍微成正比波长依赖者。试验性的IFOG被开发，规模因素分别地在不同温度并且在Co60照耀下面被测量。不到10ppm规模因素不稳定性在40以内被完成？？