• Title/Summary/Keyword: 중기(中氣)

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Factors Affecting Retirement Satisfaction of the Elderly: Comparing young-old and middle-old elders (노인의 은퇴만족에 영향을 미치는 요인: 전기·중기노인 비교)

  • Lim, Jeungsuk
    • 한국노년학
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    • v.39 no.4
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    • pp.861-881
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    • 2019
  • The purposes of this study are to examine the factors affecting retirement satisfaction, focusing on health, social activity and social security anticipation, and to compare the results between young-old and middle-old. A total of 860 retired people who live alone or live with their spouses were selected from 6th Korean Longitudinal Study of Aging, and binomial logistic regression analysis was used to analyze 416 young-old(aged from 65 to 74) and 444 middle-old(aged from 75 to 83). The results are as follows. First, there was no significant difference in retirement satisfaction between young-old and middle-old. Second, when factors affecting retirement satisfaction was examined, young-olds showed hgher retirement satisfaction with higher perception of health condition and mental health condition, and showed lower retirement satisfaction with higher expectation of long-term care insurance. Middle-old was likely to show higher retirement satisfaction when they had better perspective on physical and mental health condition. The results of the study show that health condition of elderly is an important contributing factor in determining retirement satisfaction of the elderly. Based on the results of the study, political and practical suggestions were proposed to improve retirement satisfaction.

Taxonomic Study of Parholaspid Mites (Acari, Mesostigmata) in Korea (한국산 창응애과(진드기아강, 중기문목)의 분류학적 연구)

  • 이원구;이소영
    • Animal Systematics, Evolution and Diversity
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    • v.16 no.1
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    • pp.105-112
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    • 2000
  • Mesostigmatid mites were collected from forest soils in Korea from December 1998 to October 1999. Eleven species were recognized including a new species, Neparholaspis bisunensis n. sp., and three new records, Holaspina communis (Ishikawa, 1966), Holaspina multidentatus (Ishikawa, 1980) and Holaspulus montanus Ishikawa, 1995.

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석탄가스화 복합발전 플랜트에서의 폐열회수보일러 설계에 따른 증기터빈 시스템 성능변화

  • 이진욱;김대규;조병화
    • Proceedings of the Korea Society for Energy Engineering kosee Conference
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    • 1993.11a
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    • pp.13-21
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    • 1993
  • 석탄가스화 복합발전 플랜트의 부속공정인 중기터빈 시스템에 대한 공정 전산해석을 상용 공정해석 소프트웨어인 ASPEN 코드를 이용하여 수행하였다. 폐열회수보일러에서 생성되는 고압증기 조건을 2400psig로 채택하였으며, 폐열회수보일러의 열교환기 배열 및 생성증기의 조건에 따른 증기터빈 시스템의 성능변화를 고찰하였다. 페열회수보일러에서의 열교환기 배열, 생성중기 조건 및 공급수 예열 방법에 따라 증기터빈 시스템의 성능이 변화하게 되므로 이의 정확한 이해를 통하여 증기터빈 시스템의 최적화를 도모할 수 있다.

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