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오상도,조인숙 한국자료분석학회 2018 Journal of the Korean Data Analysis Society Vol.20 No.3
본 연구는 고령자연구패널조사 자료를 활용하여, 운동이 건강상태에 미치는 영향을 살펴보고, 운동 참여 결정에 영향을 미치는 요인들에 대해 조사한다. 45세 이상 중고령자를 중심으로 살펴본 결과, 주 4회 이상의 운동은 주관적으로 판단한 건강상태, 자신의 건강에 대한 만족도, 자신의 삶에 대한 만족도 및 인지도 검사 점수에 모두 긍정적인 영향을 미치는 것으로 나타났다. 이렇게 건강에 긍정적인 영향을 미치는 운동에 시간을 할애하는 결정에 있어서, 본 연구는 시간에 대한 기회비용 및 시간에 대한 선호가 중요한 결정요인임을 보여준다. 노동시장 참여로 시간에 대한 기회비용이 높은 개인일수록 운동에 참여할 가능성이 현저히 낮았다. 반면 시간에 대한 선호가 상대적으로 낮은 교육수준이 높은 개인은 운동에 참여할 가능성이 매우 높은 것으로 나타났다. 본 연구의 결과는 운동과 같은 건강관리 활동이 중고령자의 건강 상태 유지 및 회복에 긍정적인 영향을 미치지만, 이러한 건강관리 활동에 시간을 할애하는 결정에 있어 개인별로 큰 차이가 있음을 보여준다. 특히 시간에 대한 선호 및 기회비용이 중요한 영향을 미치는 것으로 나타났다. 본 연구는 중고령자를 중심으로 건강관리 행동이 건강에 미치는 영향, 건강관리 행동에 시간을 할애하는 결정에 있어 중요한 결정요인이 무엇인지를 살펴봄으로써, 보건의료정책 및 만성질환자의 자기관리 지원 정책 등에 중요한 시사점을 제공한다. Using the Korean longitudinal study of ageing (KLoSA), this study examines the effect of physical exercise on health. It also investigates the determinants of time allocation decision among work, leisure and physical exercise. This study shows that moderate physical exercise positively affects health status of individuals who are older than 45. Further, this study shows that opportunity cost of time and time preference are main determinants of time allocation decision on physical exercise. That is, individuals who are still in the labor market are less likely to do physical exercise due to higher opportunity cost of time. Individuals with higher education levels are more likely to do physical exercise due to their lower time preference. This study reports two major findings. First, self-management activities such as physical exercise positively affect health status. Second, there are significant variations in time spent on physical exercise across individuals. This study provides new insights on public health policy targeting elderly as well as self-management support policy for individuals with long-term conditions.
우에시마 사토시(上島智史) 한국해양대학교 국제해양문제연구소 2011 해양도시문화교섭학 Vol.- No.4
There has already been a lot of research done on the relationship between Tsushima and the Korean missions. Tsushima, the island we focus on in this paper, is part of Nagasaki Prefecture in Japan, located between Kyushu, one of Japan’s four main islands, and South Korea, As such, it is known as the “Border Island” being located about 150km from Kyushu’s biggest city, Fukuoka, and 50km form South Korea’s second biggest city, Pusan. In Tsushima, 89% of the land is mountainous, and only 3% is suitable for farming. Consequently, it has had to rely on trade with Korea from long ago. The So clan, who have continued to rule Tsushima since the Middle Ages, have always attached great importance to relations with Korea, and actively sent emissaries to Korea. In the early modern age, Tsusshima was incorporated into the territory governed by the Shogunate in Edo as Tsuhima province. However, Tsushima Province also functioned as a window of communication to Korea and the government of Edo periodically sent emissaries through Tsushima Province. Furthermore, Tsushima Province built a Japanese guesthouse in Busan, and continued to trade with Korea, in spite of the government’s ban on international trade. This research in mainly in the field of written history and about the composition, style and meaning, etc. of the Korean missions. There is little research into the position of the relevant objects, like the stone wall and the main street [Baba Suji] of Tsushima which the Korean missions marched along. When looking at the relationship between to Tsushima and Korea, it is natural to think there is a possibility that the Korean missions influenced the location of these objects in the construction of this castle town.
韓國と日本における非点源汚濁物質の流出特性の比較~ソヤ ン江流城と湖山池流城を對象として~
史承煥,城戶由能,細井 由彦,金凡徹,上島光雄,福井伸之 江原大學校 附設 環境硏究所 2000 環境硏究 Vol.17 No.-
The purpose of this study is to compare and identify the differences in storm and pollutant runoff characteristics of Korea and of Japan. In Japan. the pollutant load increases steadily over the year and shows a slight increase during rainy season like typhoon. In korea the loading of TP, TN and DOC increases extrernely during the rainy season from June to August and reaches 90%, 74% and 68% of its annual loading, respectively. The analysis of polluto-graphs shows that TN concentration during a storm event decreases in Korea. This means that the dissolved form of TN dominates over the particle form in Korea. Until the first 50% of the total volume of stormwater runoff, the ratio of pollutant runoff of the total pollutant is 35%~65% in Japan, however, it reaches to 60%~80% in Korea by Cumulative Curve analysis. Further the antecedent dry weather period affects the pollutant runoff in Japan, but such an effect is less in Korea. Finally, this study shows that several consideration points when the research result of Japan is applied in Korea.