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63 个结果
  • 简介:在旅行波浪转变下面,一些非线性的部分微分方程例如Camassa河边肥沃的低地方程,高顺序的KdV方程,等等,被归结为u″表示的一首integrable颂诗+p(u)(u')2+q(u)=0答案能被给其将军。而且,为多项式联合完全的辨别系统,这些方程的所有单个旅行波浪答案的分类被获得。方程u″0包括的+p(u)(u')2+q(u)=是的方程(u')2=f(u)一种特殊情况,建议方法能也因此被用于很多非线性的方程。这些完全的结果不能被任何间接方法获得。

  • 标签: 数学物理方法 非线性数学物理方程 孤波解 对称群 非线性偏微分方程
  • 简介:Thestudyonthedecaypropertiesofnewisotopeslocatedfarfromthebetastabilitylineiscurrentthefocusofnuclearphysics.ForisotopesintheregionZ>82andN<126,-emissionprevailsasradioactivedecaymodeand-spectroscopyisthemostimportanttooltoobtaininformationonthenuclearstructure.IntheheavynucleiregionwithN=124and126isotones,anintruderstate(h9=2.f7=2)8+basedontheattractiveinteractionoff7=2protonsandf5=2neutronshasbeensignificantlyobserved,whichincreasesthebindingenergyofthisconfigurationwithincreasingprotonnumber.

  • 标签: Multi-nucleon TRANSFER REACTIONS
  • 简介:TomoreindepthunderstandthedopingeffectsofoxygenonSiGealloys,boththemicro-structureandpropertiesofO-dopedSiGe(including:bulk,(001)surface,and(110)surface)arecalculatedbyDFT+Umethodinthepresentwork.Thecalculatedresultsareasfollows.(i)The(110)surfaceisthemainexposingsurfaceofSiGe,inwhichOimpuritypreferstooccupythesurfacevacancysites.(ii)ForOinterstitialdopingonSiGe(110)surface,theexistencesofenergystatescausedbyOdopinginthebandgapnotonlyenhancetheinfraredlightabsorption,butalsoimprovethebehaviorsofphoto-generatedcarriers.(iii)ThefindingaboutdecreasedsurfaceworkfunctionofO-dopedSiGe(110)surfacecanconfirmpreviousexperimentalobservations.(iv)Inallcases,Odoingmainlyinducestheelectronicstructuresnearthebandgaptovary,butisnotdirectlyinvolvedinthesevariations.Therefore,thesefindingsinthepresentworknotonlycanprovidefurtherexplanationandanalysisforthecorrespondingunderlyingmechanismforsomeoftheexperimentalfindingsreportedintheliterature,butalsoconducetothedevelopmentofμc-SiGe-basedsolarcellsinthefuture.

  • 标签: SIGE 计算结果 电子结构 掺杂 O型 锗硅合金
  • 简介:Study on IMF Emission in 30 MeV/ 40Ar Induced ReattionsStudyonIMFEmissionin30MeV/40ArInducedReattions¥ZhuYongtai;XuHus...

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  • 简介:Thebeamof35MeV/u~(40)ArwasdeliveredbyHIRFL(HeavyIonResearchFacilityatLanzhou).Atargetof674μg/cm~(2197)Auwasusedintheexperiment.Theexperimentwasmadeattheterminaloflargecylindeicalscatteringchamber,inwhichsixtelescopesareusedtomeasurechargedparticlesemittedintherearandmiddle

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  • 简介:Statistical Threefold nagmentation in 25 MeV/ 40Ar Induced ReactionsStatisticalThreefoldnagmentationin25MeV/40ArInduce...

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  • 简介:ChargedParticleEmissionin25MeV/40Ar+natAgReaction¥BengXingping;SongMingtaoandYinShuzhiHotnucleusisoneofthemostinte...

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

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  • 简介:Wereportthestudyofalowtemperatureclusterglassstatein5%Mn-dopedUGa3heavyfermioncompound.Thiscompoundtransformsfromaparamagneticstatetoaspin-clusterglassstate,whichisconfirmedbymeasuringthedcsusceptibilityandmagnetization.Theacsusceptibilityexhibitsafrequency-dependentpeakaroundTf,whichprovidesdirectevidenceoftheclusterglassstate.Byanalyzingthefield-dependentmagnetizationandfrequency-dependentacsusceptibilityindetail,wededucethatthiscompoundformsaspin-clusterglassstatebelowTf.

  • 标签: 玻璃态转变 自旋团簇 直流磁化率 交流磁化率 频率依赖性 化合物
  • 简介:StudyonDissipativeCollisionsin25MeV/40ArInducedReactions¥ZhuYongtai;XuHushan;LuJun;ZhangYuhu;FanEnjie;GuoZhongyan;?..

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  • 简介:本文介绍了一种测量范围为1mmHg—20mmHg,测量精度为0.1mmHg的低真空测量装置及其使用条件和方法。有效地代替了以水银为媒质的旋转式麦氏真空计。

  • 标签: 低真空 U型管 油压强计
  • 简介:TargetResiduesfromInteractionofUraniumwith20MeV/40ArIons¥QinZhi;LiWenxin;SunTongyu;ZhaoLin;ZhangXiang;YinXinming;?..

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  • 简介:送检地下水水型为HCO3^--SO4^2--Ca^2+-(Mg^2+)型,酸碱度为中性、水介质属氧化型(Eh=640my)、低矿化,样品水中各项水质分析项目为,K^++Na^+,Ca^2+,Mg^2+,Fe^3+,Cl^-,SO4^2-,HCO3^-,CO3^2-,NO3^-,OH^-;所对应分析值为0.670×10^-3,1.200×10^-3,0.400×10^-3,1.79×10^-3,0.036×10^-3,0.88×10^-3,2.074×10^-3,10^-5.863,0.035×10^-3,10^-7.07。

  • 标签: 地下水 Eh值 HCO3^- 应用 计算 析出
  • 简介:ProjectileFragmentationof30MeV/40AronTargetsof159TbandnatAg¥DaiGuangxi;FuYangbiao;HeZhiyong;DuanLimin;LiZuyu;ZhangBa?..

  • 标签: 40Ar FRAGMENT TARGET
  • 简介:ExperimentalMeasurementsofNeutronDistributionsin50MeV/18O+Be,CuandAuReactions¥LiGuisheng;ZhangTianmei;LiZongweiandSuYouwu?..

  • 标签: 18O