Kuo-Hui Chang

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Three major epidemics of Newcastle disease (ND) occurred in Taiwan over the past three decades (in 1969, 1984, and 1995). In order to gain a better understanding of the relationships between past ND epizootics in Taiwan, 36 ND viruses (NDVs) isolated between 1969 and 1996 were characterized antigenically and genotypically. The antigenicity of these viruses(More)
BACKGROUND/PURPOSE Electrocautery procedures generate malodorous smoke. This study quantified five volatile organic compounds detected in the smoke produced during breast surgery, and elucidated the factors that affect their chemical production. METHODS All samplers were assembled in an acrylic chamber with a Tygon tube attached to the tip of a diathermy(More)
The role of the liquid-crystal layer in the phase-shifting shearing interferometer that was proposed by Griffin [Opt. Lett. 26, 140 (2001)] is analyzed. An extra voltage-dependent phase difference is produced when the phase retarder is oriented at an angle from the optical axis of the laser beam such that the interferogram will not repeat itself after a 2pi(More)
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