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  1. No Access

    Chapter and Conference Paper

    Fast Measurement Method of Non-contact Measurement for Oil Pipe with Screw Thread

    This paper proposes a non-contact fast thread measurement method for petroleum pipe tools based on binocular stereo vision measurement technology and 3D morphology splicing technology. The structure of the mea...

    Gengpei Zhang, Fenfen Liu, **anggui Ming… in Recent Developments in Intelligent Computi… (2021)

  2. No Access

    Article

    Study of polycrystalline ZnTe (ZnTe:Cu) thin films for photovoltaic cells

    In our work, polycrystalline ZnTe and ZnTe:Cu thin films were deposited by vacuum co-evaporation technology. The conductivity–temperature relationship was measured. And the properties of films were studied by ...

    Wenwu Wang, Gengpei **a, Jiagui Zheng… in Journal of Materials Science: Materials in… (2007)