学科分类
/ 1
4 个结果
  • 简介:Usingbi-spinorfieldswewritethepseudo-scalarandbi-spinorfieldsthatarecharacterizedbythefieldfunctionsofcoordinatesofseveralparticles,namelymulti-particlefields.Byapplyingthequantizationproceduretothesemulti-particlefields,hadroniccreationandannihilationoperatorshavebeenobtained.

  • 标签: MULTI-PARTICLE FIELD OPERATORS
  • 简介:Thebeamof35MeV/u~(40)ArwasdeliveredbyHIRFL(HeavyIonResearchFacilityatLanzhou).Atargetof674μg/cm~(2197)Auwasusedintheexperiment.Theexperimentwasmadeattheterminaloflargecylindeicalscatteringchamber,inwhichsixtelescopesareusedtomeasurechargedparticlesemittedintherearandmiddle

  • 标签:
  • 简介:采用环境氢脆技术及现代材料微观分析技术,研究了Fe-35Ni-15Cr实验合金在室温至900℃的力学性能及热充氢后在室温及750℃的力学性能,分析了温度对材料微观组织的影响,为优化其化学成分、热处理工艺等提供技术依据。

  • 标签: 力学性能 微观组织 合金 温度 现代材料 热处理工艺
  • 简介:Inrecentyears,heavyionbeamshavebeenrecognizedasaneffectiveandefficientphysicalmutagenduetotheircapacitytoinducemutationswithhighfrequencyandbroadspectrum.Nowadays,itisnotsodifficulttoproducevariousmutantsinplants.However,tominetheresponsiblemutatedgeneshasbeenanimportantchallenge.Formutationisolation,map-basedcloningisoneofthemajortraditionalwaystoisolatethemutantgenesthatcontroltraitsofinterestinforwardgeneticsstudies.However,theprocessofmap-basedcloningisusuallycomplicatedandtime-consuming.

  • 标签: