简介：25℃舒服的室内温度，一种暧昧的放松温度，在阳光里，肌肤可以感觉到被阳光包裹的舒适，在阴影里，却又有着点点凉意，宜暖宜凉。沉湎在温热环境中，听着水流动的声音，在玻璃建的房间里，对现实的社会视而不见，以新鲜的慵懒状态感生命。

简介：神光Ⅱ第9路激光装置试运行己逾20个月，实验发次超过450次，进行了多项物理实验，取得了很多的实验结果。第九路激光装置达到了设计的要求，最高输出达到了5102J（3ns）（设计指标为4500J），激光能量密度为6．5J／cm^2四台φ350mm片状放大器在装置的运行中起到了重要作用，超过80％以上的能量是从它们提取的，该放大器已达到实用要求，能够安全稳定运行，至今未发生氙灯爆炸，隔板玻璃碎裂，钕玻璃片潮解和破坏现象。

简介：Inthispaper,ageneralsolutionforthree-dimensionalstaticpiezothermoelasticprob-lemsofcrystalclass6mmsolidsispresented.Tnegeneralsolutioninvolvesfourpiezoelasticpotentialfunctionsandapiezothermoelasticpotentialfunction,ofwhichfourpiezoelasticpotentialfunctionsaregovernedbyweightedharmonicdifferentia[equations.ComparedwiththegeneralsolutiongivenbyAshidaetal.,inwhichsevenpotentialfunctionsareintroduced,thegeneralsolutionproposedinthepresentpaperismorerigorouslyderived.Moreover,ithasasimpleformandisconvenientforappli-cation.Asanillustrativeexample,theproblemofapyroelectrichalf-spacesubjectedtoaxisymmetricheatingisstudied.Numericalresultsofdisplacements,stresses,electricpotentialandelectricdisplace-mentsareobtainedforacadmiumselenidehalf-space.Thermallyinduceddisplacementsandstressdis-tributionarecomparedwiththoseobtainedforthesamematerialwithoutpiezoelectricandpyroelectriceffects.

简介：TheequilibriummolalitiesofIn3+inextractionreaction:In3+(aq)+3HOx(org)=In(Ox)3(org)+3H+(aq)weremeasuredationicstrengthsfrom0.13to2.54mol-kg-1intheaqueousphasecontainingNa2SO4asthesupportingelectrolyteandatconstantinitialmolalityofextractant,HOx,intheorganicphaseattemperaturesfrom278.15to308.15K,whereHOxandOxmean8-hydroxy-quinoliueanditsanion,respectively.ThestandardextractionconstantsK0atvarioustemperatureswereobtainedbytwomethodsproposedinourpreviouspaper.

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简介：Thispaperreportstwolanthanidecomplexesofformula（C9H7）Ln（C8H8）·（THF）2whereLnisProrNd,C9H7isindenyl,andC8H8iscyclooctatetraene（COT）.ThecomplexeswerepreparedbythereactionofLnCl3withK（C9H7）andK2（C8H8）inTHF.（C9H7）Pr（C8H8）·（THF）2crystallizesinTHFat-15℃inthemonoclinicspacegroupP21:withunitcelldimensionsa=8.446（0）,b=10.083（2）,c=13.407（3）,β=105.48（1）°,V=1100.43（35）3,Dc=1.52g/cm3andZ=2.ThefinalRvalueis0.033,Rwvalueis0.030,respectively.In（C9H7）Pr（C8H8）·（THF）2afive-memberedringcentroidofC9H7,theC8H8ringcentroidandthetwooxygenatomsfromthetwoTHFmoleculesformadistortedtetrahedralgeometryaroundthemetal.

简介：Westudyelectromechanicalfieldsintheanti-planedeformationofaninfinitemediumofpiezoelectricmaterialsof6mmsymmetrywithacircularcylindricalhole.Thetheoryofelectroelasticdielectricswithelectricfieldgradientintheconstitutiverelationsisused.Specialattentionispaidtothefieldsnearthesurfaceofthehole.

简介：Ｓｔａｔｉｓｔｉｃａｌ　Ｔｈｒｅｅｆｏｌｄ　ｎａｇｍｅｎｔａｔｉｏｎ　ｉｎ　２５　ＭｅＶ／ｕ　４０Ａｒ　Ｉｎｄｕｃｅｄ　ＲｅａｃｔｉｏｎｓＳｔａｔｉｓｔｉｃａｌＴｈｒｅｅｆｏｌｄｎａｇｍｅｎｔａｔｉｏｎｉｎ２５ＭｅＶ／ｕ４０ＡｒＩｎｄｕｃｅ...

简介：ＣｈａｒｇｅｄＰａｒｔｉｃｌｅＥｍｉｓｓｉｏｎｉｎ２５ＭｅＶ／ｕ４０Ａｒ＋ｎａｔＡｇＲｅａｃｔｉｏｎ￥ＢｅｎｇＸｉｎｇｐｉｎｇ；ＳｏｎｇＭｉｎｇｔａｏａｎｄＹｉｎＳｈｕｚｈｉＨｏｔｎｕｃｌｅｕｓｉｓｏｎｅｏｆｔｈｅｍｏｓｔｉｎｔｅ...

简介：Ａ　Ｈｏｔ　Ｇｉａｎｔ　Ｄｉｐｏｌｅ　Ｒｅｓｏｎａｎｃｅ　ｉｎ　２５　ＭｅＶ／ｕ　４０Ａｒ＋１１５Ｉｎ　ＲｅａｃｔｉｏｎｓＡＨｏｔＧｉａｎｔＤｉｐｏｌｅＲｅｓｏｎａｎｃｅｉｎ２５ＭｅＶ／ｕ４０Ａｒ＋１１５ＩｎＲｅａｃｔｉｏｎｓ￥Ｄ...

简介：Inthestudyofnuclearfusion,theconventionalfuellingofplasmaisedgegaspuffing,howevermanyexperimentsindicatedthatthefuellingefficiencyofgaspuffingusuallydegradedwithincreaseofheatpowerleadingthedensityprofileofplasmacontrol

简介：ＳｔｕｄｙｏｎＤｉｓｓｉｐａｔｉｖｅＣｏｌｌｉｓｉｏｎｓｉｎ２５ＭｅＶ／ｕ４０ＡｒＩｎｄｕｃｅｄＲｅａｃｔｉｏｎｓ￥ＺｈｕＹｏｎｇｔａｉ；ＸｕＨｕｓｈａｎ；ＬｕＪｕｎ；ＺｈａｎｇＹｕｈｕ；ＦａｎＥｎｊｉｅ；ＧｕｏＺｈｏｎｇｙａｎ；?..

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简介：Catalyticcombustionofpropane-airmixturewasinvestigated.Platinumcatalystsoveraflatstainlesssteelwithγ-aluminawashcoatwereemployed.Theemployedburnerhasthreecatalystssetparalleltothemixtureflow,spacedatanintervalof5,10and15mm.Bothexperimentandnumericalsimulationweremadeatinlettemperatureof553K,inletvelocityof3to7m/sandequivalenceratioof0.3to0.5.Inthenumericalsimulation,two-dimensional,steadystatemodelwasdevelopedtocalculatethetemperatureandspeciesconcentrationingas-phase.Inthismodel.chemicalreactiononthecatalystsurfaceandthatinthegasphasewereassumedtooccurinthree-steps.Thenumericalresultsshowgoodagreementwithexperimentalresults.Itwasfoundthatthepropertiesofthecatalyststronglyaffectthecatalystsurfacetemperature.Especially,thethermalconductivityofcatalysthasagreateffect,whiletheemissivityofcatalysthaslesseffect.

简介：ThefluorescenceemissionandX-raydiffractionofmagenesium8-hydroxyquinolinecomplex(Mgq2)havebeenmeasuredathighpressureupto14GPa.Ithasbeenfoundthatpressurecaninfluencetheemissiondramatically.Atrelativelowerpressure(lessthan2.5GPa)thefluorescenceofMgq2changesslightly,buttheemissiondropsquicklywithincreaseofthepressurewhenthepressuregetshigherthan2.5GPa.TheresultsofinsituenergydispersiveX-raydiffractionathighpressurewithsynchrotronradiationindicatethatthereisaphasetransitionatabout2.5-3GPaforMgq2crystal.2001ElsevierScienceB.V.Allrightsreserved.

简介：Ｒｅｌａｔｉｏｎ　ｏｆ　Ｔｅｍｐｅｒａｔｕｒｅ　ａｎｄ　Ｅｘｃｉｔａｔｉｏｎ　Ｅｎｅｒｇｉｅｓ　ｏｆ　Ｈｏｔ　Ｎｕｃｌｅｉ　ｉｎ　Ｒｅａｃｔｉｏｎｓ　ｏｆ　４０Ａｒ＋ｎａｔＡｇ　ａｔ　２５ＭｅＶ／ｕＲｅｌａｔｉｏｎｏｆＴｅｍｐｅｒａｔｕｒｅ...

简介：Ｍｅａｓｕｒｅｍｅｎｔ　ｏｆ　Ｌｉｎｅａｒ　Ｍｏｍｅｎｔｕｍ　Ｔｒａｎｓｆｅｒ　ｉｎ　Ａｒ＋Ｂｉ　ａｎｄ　Ａｒ＋Ａｇ　Ｓｙｓｔｅｍｓ　ａｔ　２５ＭｅＶ／ｕＭｅａｓｕｒｅｍｅｎｔｏｆＬｉｎｅａｒＭｏｍｅｎｔｕｍＴｒａｎｓｆｅｒｉｎＡｒ＋ＢｉａｎｄＡｒ＋...

简介：γ－ｒａｙ　ｉｎ　２５　ＭｅＶ／ｕ　４０Ａｒ＋１１５Ｉｎ　ａｎｄ　１０３Ｒｈ　Ｆｕｓｉｏｎ－ｆｉｓｓｉｏｎ　Ｒｅａｃｔｉｏｎｓγ－ｒａｙｉｎ２５ＭｅＶ／ｕ４０Ａｒ＋１１５Ｉｎａｎｄ１０３ＲｈＦｕｓｉｏｎ－ｆｉｓｓｉｏｎＲ...

简介：ＳｔｕｄｙｏｎＣｏｒｒｅｌａｔｉｏｎＢｅｔｗｅｅｎＬｉｇｈｔＰａｒｔｉｃｌｅｓａｎｄＦｒａｇｍｅｎｔｓｉｎ２５ＭｅＶ／ｕ４０Ａｒ＋１１５ＩｎＲｅａｃｔｉｏｎ￥ＺｈｏｕＪｉａｎｑｕｎ；ＺｈａｎＷｅｎｌｏｎｇ；ＧｕｏＺｈｏｎ...