The sports and recreation industry is emerging in Taiwan. Few related studies have used it as a sample. This study has been designed to explore the notion of personality traits based on fitness center members in Taiwan. Because of its validity and wide use (Furnham, Moutafi, & Crump, 2003), the Five Factor Model (FFM) developed by McCrae and John (1992) is adopted in this study to assess the personality of fitness center members. The measurement scale of personality traits is cited from Saucier's (1994) Mini-Markers. The empirical findings reveal that those people with low tendency to experience negative emotions, i.e., neuroticism, and high tendency to experience positive emotions, i.e., extroversion, openness to experience, agreeableness, and conscientiousness, will join the fitness center. Sports and recreation industry managers can design strategy to satisfy their customer needs based on these findings.

In this paper, the microprism reflective structure is optimized by theoretical research and simulation calculations, and based on the current technology of V-shaped diamond blade manufacturing mode, an improved microprism retroreflective material is designed. By adjusting the intensity distribution and angle of the light cone, we can control the style of light cone which is formed by the reflected light for optimal reflective effect. The microprism reflective structure contains the positive unit and negative unit. The negative unit relative to the positive unit is rotated 60° for producing phase superposition to reduce the non-uniform of the material orientation. Cutting along a straight line by V-shaped diamond blade, the technology creates a plurality of higher-precision and smaller reflective elements and enhances the retroreflective performance. Meanwhile, the overall processing technology which reduces labor force greatly is beneficial to the cost control and highly practical during the fabrication process. Keywords: microprism retroreflective material, improvement and optimization

An incident shock tube technique has been used to measure the ignition delay time for propylene oxide-oxygen-nitrogen mixtures in the temperature range of 900 to 1250K. Ignition delay times of CO*(460.3nm) and AlO (470.5nm) were measured using pressure sensors under series of shock strength. The ignition time of AlO was linearly decreased as the induced shock wave strength was increased. The spectral intensities of AlO under corresponding to shock wave strength were evaluated by intensity CCD(ICCD) spectral system triggered by optic signal.