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  • 简介:AdmirablepersistenceIdon’thavemuchknowledgeaboutprintmaking.ForChineseprintmaking,Ievenknowmuchless.WhatIcangetinmymemoryaboutprintmakingareonly

  • 标签: 摘要 编辑部 编辑工作 读者
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  • 简介:Thenitrousoxidedisposalunit,inwhichShenmaNylonChemicalsCompanyinHenanprovincehasinvestedmorethan68millionRMB,waspre-commissionedinNovember2007torealizethedetoxificationofallgasesgeneratedbythe

  • 标签: 脂肪酸 能量消耗 排放物 生产技术
  • 简介:Two-photonphotopolymerization(TPP)withfemtosecondlaserisapromisingmethodtofabricatethree-dimensional(3D)photoniccrystals(PCs).BasedontheTPPprinciple,themicro-fabricationsystemhasbeenbuilt.The3DwoodpilePCswithrodspaceof2000nmarefabricatedeasilyanddifferentdefectsareintroducedinordertoformthecross-waveguideandthemicro-laserstructurePCs.Simulationresultsoftheopticalfieldintensitydistributionsusingfinite-differencetimedomain(FDTD)methodaregiven,whichsupportthedesignsandimplementationofthePCoftwotypesintheory.

  • 标签: 光子 光聚作用 TPP 光学
  • 简介:Inthepresentwork,verticallyalignedZnOnanorodarrayswithtunablesizearesuccessfullysynthesizedonnonseededITOglasssubstratesbyasimpleelectrodepositionmethod.Theeffectofgrowthconditionsonthephase,morphology,andorientationoftheproductsarestudiedindetailbyX-raydiffraction(XRD),scanningelectronmicroscopy(SEM),andtransmissionelectronmicroscopy(TEM).Itisobservedthattheas-preparednanostructuresexhibitapreferredorientationalongcaxis,andthesizeanddensityoftheZnOnanorodcanbecontrolledbychangingtheconcentrationofZnCl2.Fieldemissionpropertiesoftheas-synthesizedsampleswithdifferentdiametersarealsostudied,andtheresultsshowthatthenanorodarrayswithasmallerdiameterandappropriateroddensityexhibitbetteremissionproperties.TheZnOnanorodarraysshowapotentialapplicationinfieldemitters.

  • 标签: 氧化锌纳米棒 场发射性能 玻璃基板 ZnO ITO 电沉积方法