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简介:Aconductionchannelmodelispropsedtoexplainthehighconductivitypropertyofnc-Si:H.Detailedenergybanddiagramisdevelopedbasedontheanalysisandcalculation,andtheconductivityofthenc-Si:Hwasthenanalysedonthebasisofenergybandtheory.Itisassumedthattheconductivityofthenc-Si:Hstemsfromtwoparts:theconductanceoftheinterface,wherethetransportmechanismisidentifiedasathermal-assistedtunnelingprocess,andtheconductancealongthechannelaroundthegrain,whichmainlydeterminedthehighconductivityofthenc-Si:H.Theconductivityofnc-Si:Hiscalculatedandcomparedwiththeexperimentdata.Thetheoryisinagreementwiththeexperiment.
简介:摘要:微机网络控制系统作为机车的“大脑”,在整车控制中起到了非常重要的作用。本文介绍了针对装用D180-16高速柴油机的交流传动内燃机车研发设计的微机网络控制系统,使机车各个系统之间达到了很高的匹配性,最大限度的发挥了D180柴油机的性能。