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中国老年人闲暇活动的发展趋势:健康的生活方式和沉迷于闲暇活动为中心
김이태 부산대학교 중국연구소 2017 Journal of China Studies Vol.20 No.3
Nowadays, the aging phenomenon is rapidly expanding worldwide, and the importance of caring for and supporting the elderly is being magnified. Some problems about them, such as psychological issues, loneliness, social and economic isolation, cause social problems. The leisure activities that the elderly can do are limited due to health condition. However, according to the development of medical and a prolonged average life, the importance of leisure activity related to elderly’s quality of life is standing out and the level of one’s later years and life satisfaction are different. Also, some activities, like leisure activity, working, exercising and so on, can delay or prevent from aging and depression. Meanwhile, the market of Chinese tourists is the largest market in tourism business. Chinese tourists accounted for nearly 44.7% of inbound tourists 2014. Especially, the portion of preliminary aged people was rapidly growing from 2012 to 2014. So the number of Chinese elderly and preliminary aged tourists is expected to increase. So we need to know the trend of the elderly’s preference to preparation for the aged society. The purposes of this research were to (1) investigate the leisure activity and identify the relationship between each types of leisure activity and healthy lifestyle, and (2) investigate the moderating effect of flow on the relationship. Through the analysis, we would suggest the implication. Tested data has been collected from 130 Chinese elderly in China. The survey was conducted in China from 31, August to 29, November. The study executed regression analysis to investigate the influencing relationship among variables and hierarchical regression analysis to identify the moderating effect. The results indicated that (1) four factors of leisure activity, including tourism activities, sports activities, voluntary activities and appreciation activities, had significant effect on healthy lifestyle of Chinese elderly, however, social activity did not influence healthy lifestyle, and (2) there was a significant moderating effect on the relationship between three factors of leisure activities, including ‘voluntary activities’, ‘social activities’ and ‘appreciation activities’, and healthy lifestyle of Chinese elderly. Finally, the study could investigated the trend of Chinese elderly and preliminary aged people and suggested the development of tourism program for healthy life. Accordance with the results of this study, the tourism program may be consist of cultural heritage, traditional experience and unique sports.
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하수처리장 반류수의 바이오메디아 부착 미생물과 메탄 공급에 의한 탈질 특성
김이태 한국수처리학회 2019 한국수처리학회지 Vol.27 No.6
In this study, we investigated the possibility of treating rejected water containing high concentration of ammonia in sewage treatment plant using methane and biomedia attached biofilm. \ Methylobacter and Methylophilus appeared to perform autotrophic denitrification through oxidation of methane and methanol.and at the same time, the bacteria Pseudomonas, which are commonly present in activated sludge in sewage treatment plants, also co-existed. As a result of analyzing the effect on the removal of ammonia nitrogen according to the ratio of methane, the reduction rate of ammonia nitrogen was the most efficient when supplying methane at the rate of 20% of air. When rejected water from sewage treatment plant was treated as raw water without dilution, the average treatment efficiency was 60.7% (± 4.0). From this result, more than 60% of the denitrification effect was obtained by using biomedia attached microorganism and methane in rejected water generated in sewage treatment plant containing high concentration of ammonia nitrogen. And from this method, the characteristics of autotrophic denitrification in the aerobic region and heterotrophic denitrification in the anoxic region of the biomedia are simultaneously confirmed in one system.
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전통적 IPA와 수정된 IPA를 활용한 컨벤션 선택속성 개선방안
김이태,류예빈 한국호텔외식관광경영학회 2019 호텔경영학연구 Vol.28 No.1
Importance-Performance Analysis (IPA) was the method to compare importance and performance. Although the traditional IPA was commonly used to identify strategic priorities of a company due to its usefulness, its flaws were exposed. So a revised IPA correcting the traditional IPA’s faults was proposed. Therefore, this study used both methods to analyze IPA to propose an improvement plan for convention attendees’ importance and satisfaction. To collect data, we conducted surveys targeting attendees who participated in conventions. Traditional IPA and revised IPA were carried out with the data. It showed a different result according to method. At first, in the traditional IPA, among the eleven attributes, there were six variables inquadrant I, and three attributes in quadrant III, meaning the attributes were relatively concentrated. On the other hand, using Deng’s (2007) revised IPA, there were three attributes in quadrantⅠ, two attributes in quadrantⅡ, one attribute in quadrantⅢ and three attributes in quadrantⅣ.According to the meaning of each quadrant, we recognized the attributes to keep up the good work, to concentrate, to avoid low priorities and to reject overkill. According to the survey results, this research exposed that there were differences between the two methods and proposed improvements of convention satisfaction for attendees. 전통적 IPA는 간단하고 해석이 용이하다는 점에서 기업의 전략적 우선순위 식별에 자주 활용되었 으나, 그에 따른 문제점이 지적되면서 수정된 IPA가 제시되었다. 본 연구는 컨벤션 성공여부를 가름 하는 컨벤션 참가자의 만족도 평가를 통해 개선방안을 제시하기 위해 두 가지 IPA를 이용하여 참가 자가 인식하고 있는 중요도와 만족도를 비교・분석하였다. 분석을 실시하기 위해 2017년 부산에서 개최된 8건의 컨벤션 참가자들 상으로 설문조사를 실시하였으며, 총 412부의 유효표본을 이용하여 분석을 실시하였다. 그 결과는 다음과 같다. 첫째, 전통적 IPA를 이용하여 분석한 결과 11개의 속성 중 6개가 Ⅰ사분면에 위치하였으며, 3개의 속성이 Ⅲ사분면에 분포하였다. 그 결과 지속적으로 유지 해야 할 속성과 우선순위가 아닌 속성을 구분할 수 있었으나, 전통적 IPA에 해 지적되었던 Ⅰ, Ⅲ 사분면에 집중되는 것을 피하지 못했다. 둘째, 이러한 문제점을 해결하기 위해 Deng(2007)이 제시한 수정된 IPA를 실시하였다. 그 결과 Ⅰ사분면 3개, Ⅱ사분면 2개, Ⅲ사분면 1개, Ⅳ사분면 3개의 속성 이 분포되었다. 각 사분면 의미에 따라 유지 및 개선, 과잉노력 지양 속성을 파악할 수 있었다. 본 연구는 두 가지 분석방법을 통해 차이가 있음을 밝히며, 참가자의 만족을 향상시킬 수 있는 개선방안 을 제시하였다. IPA가 지니고 있는 문제점을 인지하고, 개선된 수정된 IPA를 활용하여야 하며, 이후 후속연구에서는 다양한 접근을 통해 타당한 연구방법의 논의가 필요하다.
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