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  • 简介:Theuseofmoreandmoreelectronproductsrequiresinteriorwoodproductstohavetheperformanceofelectromagneticshielding.Oneofthewaystorealizeitistointroducethechemicalplatingwhichhasalreadybeendevelopedinelectronindustryintowoodprocessing.Thepaperclarifiesthemechanismofelectrolesscopperandgoldplatinganditsapplicationtowood.Itemphasizesthedevelopmentandtechnologyofelectrolesscopperandgoldplatingonwood.Meanwhile,itpointsoutthatitishighlyfeasibletotakethistechnologyintoeffect.

  • 标签: 木材 材质改进 化学镀铜 无电钴金镀 电磁屏蔽
  • 简介:Underartificially-simulatedcomplexsalt-alkalistress,thelevelsofactiveoxygenmetabolisminrootswerestudiedusingthree-year-oldcuttingseedlingsofSpiraea×bumalda'GoldMound'andSpiraea×bumalda'GoldFlame'.Thepresentstudyaimedatexploringtheantioxidantcapacityinrootsofspiraeasandrevealingtheiradaptabilitytosalt-alkalistress.Resultsindicatethattheoxygenfreeradicalscontents,electrolyteleakageratesandMDAcontentsinrootsofSpiraea×bumalda'GoldMound'andSpiraea×bumalda'GoldFlame'showanincreasingtendencywiththeincreasesofthesalinityandpHvalue,whereastheactivitiesofsuperoxidedismutase(SOD),peroxidase(POD)andcatalase(CAT)allincreasedfirstlyandthendecreased.Withtheincreaseinintensityofsalt-alkalistress,theCATactivityinrootsofSpiraea×bumalda'GoldFlame'ishigherandtheincreasingextentsintheoxygenfreeradicalscontents,electrolyteleakageratesaswellasMDAcontentsarelowercomparedwithSpiraea×bumalda'GoldMound',indicatingthatSpiraea×bumalda'GoldFlame'hasastrongerantioxidantcapacity.

  • 标签: 珍珠绣线菊 活性氧代谢 珍珠花 碱胁迫 黄金 火焰
  • 简介:Thispaperwastoinvestigatebasicpropertiesofmicro/nanofibrilsfrompoplarwithahighpressurehomogenizer.Theirbasicpropertiesweretestedbylaserparticlesizeanalyzer,scanningelectronmicroscopy(SEM)andX-raydiffractometer(XRD).Thetestresultsshowedthatifthefiberslurrymovedfrom20to40circulationsthroughthehomogenizer,for10%ofthemicro/nanofibrils,theparticlesizewasreducedfrom1.2μmto160nmanditssurfaceareaperunitvolumewasincreasedfrom1.63×104...

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