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  1. No Access

    Article

    Simultaneous Determination of Phenolic Xenoestrogens by Solid-Phase Extraction and High-Performance Liquid Chromatography with Fluorescence Detection

    A highly sensitive and selective method for simultaneous determination of some hydroxyl group-containing endocrine disruptors, including bisphenol A (BPA), bisphenol B (BPB), bisphenol E (BPE), bisphenol F (BP...

    Yen Sun, Mitsuhiro Wada, Naotaka Kuroda, Kuni Hirayama… in Analytical Sciences (2001)

  2. No Access

    Chapter

    Pulse Tube with Axial Curvature

    Experiments are.made to compare the performance of coiled pulse tubes with those of straight ones having similar cross sections, lengths and operating conditions. The performance degradation of coiled pulse tu...

    Yuan Zhou, Wen-xiu Zhu, Yen Sun in Advances in Cryogenic Engineering (1988)