C.-l. Chang

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Foreign body aspiration (FBA) into the tracheobronchial tree is a frequent and serious cause of respiratory problems in children. Chest X-ray (CXR) is often inaccurate in diagnosing FBA when the object is radiolucent. Three-dimensional computed tomography (CT) is a noninvasive technique that can detect the narrowing of the airway resulting from the presence(More)
Betel nut chewing is associated with oral cavity cancer in Taiwan. OC3 is an oral carcinoma cell line that was established from cells collected from a long-term betel nut chewer who does not smoke. After we found that microRNA-17-5p (miR-17-5p) is induced in OC3 cells, we used this cell line to examine the biological role(s) of this microRNA in response to(More)
Laminar flow control (LFC) is one of the key enabling technologies for quiet and efficient supersonic aircraft. Recent work at Arizona State University has led to the development of a novel concept for passive LFC on crossflow dominated flow configurations. It employs distributed leading-edge roughness to limit the growth of naturally dominant instabilities(More)
Combining the classical fluid mechanics and the theory of electromagnetism, present study based on a computational study has successfully investigated the flow pattern of a magnetic fluid in an annular space under the influence of an axial magnetic field. A magnetic fluid is filled into the three-dimensional annular space subjected to a condition where the(More)
This paper investigates the volatility size effects for firm performance in the Taiwan tourism industry, especially the impacts arising from the tourism policy reform that allowed mainland Chinese tourists to travel to Taiwan. Four conditional univariate GARCH models are used to estimate the volatility in the stock indexes for large and small firms in(More)
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