a b s t r a c tThis paper analyzes the determinants of international tourist arrivals in China, especially for World Heritage Sites and various kinds of travel spots. Utilizing annual provincial panel data over the 2000-2005 period, the empirical results suggest that key determinants include the relative income, population in the original country, cost of travel, and tourism infrastructure. In addition, World Heritage Sites are also found to be significant in explaining the numbers of international tourists and have a greater touristenhancing effect. Other famous tourist sites rated 4A-and 3A-class are also attractive to foreign tourism. Moreover, cultural rather than natural sites attract more interest among foreign tourists, because China is internationally renowned for its long-standing historical and cultural assets. Finally, the importance of the determinants of the demand for tourism varies from country to country.

The use of a tourniquet during total knee arthroplasty was effective for reducing blood loss and avoiding excessive postoperative inflammation and muscle damage. The use of a tourniquet was related to slightly more postoperative pain but did not affect postoperative recovery.

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a b s t r a c tIt is commonly believed that being listed on the World Heritage List (WHL) results in attracting more tourists. However, this assumption has not been generally subject to rigorous econometric approach in the existing literature. To fill this gap, we assess the impact of the accreditation World Heritage status on the "Historic Centre of Macau" in 2005 on visitor numbers to the territory to identify the real effect of WHL on fostering tourism. In doing so, because of the policy restrictions on the mainland Chinese tourists, such tourists have been excluded from the analysis. The empirical results indicate that there is no significant effect of WHL on promoting tourism other than possibly a short-run tourism-enhancing impact. Notably, this effect is particularly relevant to Asian tourists. This paper discusses these results in the wider context of econometric analyses of tourism.

Plasma-sprayed hydroxyapatite coated (HAC) 50 and 200 microns thick on Ti-6Al-4V cylinders was transcortically implanted in the femora of canines to evaluate in detail the effect of coating thickness on the pushout shear strength and failure mode examined under scanning electron microscope after the periods of 4, 6, 8, and 12 weeks. The HAC coating exhibited higher shear strength at 50 microns than at 200 microns. Its failure mode was conclusively at or near the HAC-bone interface, and the slight attack of body fluid had not degraded the implant to the extent that failure occurred at the HAC-Ti alloy interface after 12 weeks of observation. For 200 microns-HAC, failure was found at the HAC-bond interface, inside the HAC lamellar splat layer and at the HAC-Ti alloy substrate interface, depending on the period of implantation. It was also deduced that the variation of failure mode of 200 microns-HAC with time could not be accounted for by the attack of body fluid alone; the degradation must be a synergetic adverse result of residual stress in the HAC and the attack of body fluid.

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Technical efficiency, SMEs, Subcontract, Switching, Metafrontier, D24, L23, L25, L26,