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Preparing nanometer carbon composite material for use as catalyst carrier for fixed bed reactor, involves dissolving nickel nitrate in polyamic acid solution or dimethyl acetamide solution to obtain solution. 专利
申请日期: 2010-01-01, 公开日期: 2010-05-05
作者:  QIU J XIAO N ZHAO Z ZHOU Y
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/24
Inner Pi shaped air wedge dynamic and static pressure compound air bearing for rotor, has inner surface dynamic Pi shaped air wedge slots and inner surface static tangential nozzle distributed at intervals. 专利
申请日期: 2010-01-01, 公开日期: 2010-04-07
作者:  LIU Y QIU H WANG X YANG Y ZHAO G
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/24


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