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工业控制机的现状与未来 被引量:3
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作者 龚炳铮 《自动化博览》 2004年第3期8-9,共2页
论述了工业控制机国内外发展现状、关键技术、市场分析。
关键词 工业控制机 系统总线 主机模板 存储器板 人机接口板
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Li^+-templated complexation of cylindrical macrotricyclic host with naphthalene diimide:Cation-controlled switchable complexation processes 被引量:2
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作者 ZENG Fei SU YongSheng CHEN ChuanFeng 《Science China Chemistry》 SCIE EI CAS 2012年第10期2069-2074,共6页
Anthracene-based cylindrical macrotricyclic polyether (1) containing two dibenzo-30-crown-10 cavities has been proved to be an efficient host for the templated complexation with N,N'-dipropyl-1,4,5,8-naphthalenete... Anthracene-based cylindrical macrotricyclic polyether (1) containing two dibenzo-30-crown-10 cavities has been proved to be an efficient host for the templated complexation with N,N'-dipropyl-1,4,5,8-naphthalenetetracarboxylic diimide in the presence of lithium ions in both solution and solid state. Host 1 could also form 1:1 complex with the bispyridinium salt with two β-hydroxyethyl groups in solution and in the solid state. Moreover, it was also found that the switchable complexation processes between the macrotricyclic host and two different kinds of guests could be chemically controlled by the addition and removal of lithium ions. 展开更多
关键词 cylindrical macrotricyclic polyether naphthalene imide host-guest chemistry Li -template molecular switch
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