• The Korea Swine Journal
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• v.18 no.12 s.208
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• pp.164-168
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• 1996

• 한국문헌정보학회 학술발표논집
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• 2005.10a
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• pp.145-166
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• 2005

• 혁신정책Brief
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• s.15
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• pp.1-28
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• 2006

• Monthly Duck's Village
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• s.146
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• pp.36-38
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• 2015

• The Journal of the Korea Contents Association
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• v.10 no.2
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• pp.402-411
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• 2010

The aims of this study were to investigate the level of activity in the elderly residing in city and rural area and to determine the contributing factors to quality of life (QOL). Subjects were 537 who were older than 60 years of age. QOL was assessed by the SF-36, and the level of activity was assessed by the Korean Activity Checklist. QOL in the elderly residing in city was higher than that in the elderly residing in rural area, and the level of activity was also higher in the elderly residing in city in instrumental activities of daily living, low and high level of physical activity, and social activity compared with the elderly residing in rural area. There was a significant correlation between the level of activity and QOL. The contributing factors to QOL were QOL lower level scores, the Korean Activity Checklist scores, health status, and occupation in the elderly residing in city, whereas the contributing factors to QOL were QOL lower level scores, the Korean Activity Checklist scores, health status, age, and level of education in the elderly residing in rural area. From the findings of this study, the environment in that the elderly can enjoy meaningful activity should be constructed and various programs should be developed.

• The Journal of the Korea Contents Association
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• v.16 no.2
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• pp.729-739
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• 2016

The primary objective of implementing the study was to further investigate any pronounced financial components affecting the level of cash retention for the Korean chaebol firms. The research was framed to test for two hypotheses on the cash savings with utilizing the chaebol firms during the post-era of the global financial turmoil (from 2009 to 2013). In the first hypothesis test, any significant explanatory variables relative to the cash holdings, were identified in each corresponding category of the conditional quantile regression (CQR) model, while multilogistic regression analysis was performed to discriminate relevant financial factors in each pair of classes consisting of the chaebol firms. Concerning the results, liquidity, agency costs, and cash conversion cycle were found to be statistically significant in the majority of classified categories in the former test and liquidy, firm size, and dividend yield, also showed discriminating powers in each pair of categorical for the firms in the latter test.

• Informatization Policy
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• v.28 no.2
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• pp.81-97
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• 2021

This study examines the factors that influence the mobile social participation of elderly disabled people compared to that of young adults with disabilities. The analysis was conducted using Heckman's two-stage model. The first stage of the research focused on the populations who have mobile devices, while the second stage focused on factors that influence mobile social participation. The results of the study are as follows: for elderly people with disabilities, mobile social participation is associated with living alone, PC usage ability, mobile usage ability, internet usage ability, and attitude towards digital use. Based on the results of this research, this study presents a plan to support the mobile social participation of elderly people with disabilities.

• Journal of Veterinary Clinics
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• v.30 no.6
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• pp.409-414
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• 2013

In the present study, we investigated and compared the cardiopulmonary and oxidative stress effects of dogs undergoing open and thoracoscopic lung lobectomy. Ten healthy dogs, 5-8 years old, weighing 9-12 kg were used. The animals were randomly assigned to one of two groups according to the type of surgical procedure; open (group 1, n=5) or thoracoscopic lung lobectomy (group 2, n=5). Cardiopulmonary parameters, superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) concentrations were measured. There were statistically significant changes in arterial blood gases values in both groups. Total anesthesia and surgical times were significantly shorter in thoracoscopic lobectomy group compared with open surgery group. Increases in plasma SOD and CAT levels, and decreases in GPx levels were observed in both groups after surgery. Significant difference in GPx levels was found when the groups were compared. The GPx level was significantly lower in the thoracoscopic lobectomy group compared with the open surgery group.

• Journal of Korean Society of Transportation
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• v.27 no.2
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• pp.7-14
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• 2009

While much attention has been given to pedestrian environments recently, methods to evaluate their service level have not been fully developed yet. Although many kinds of pedestrian environment-related surveys and field studies are conducted, data are not systematically collected and accumulated due to the lack of consistent evaluation tools and methods. In this regard, it is necessary to develop reasonable evaluation methods for pedestrian environments. This paper suggests technical indices to evaluate pedestrian environments for a city. These indices provide useful ways to determine priorities to enhance pedestrian streets and also provide ways to compare cross sectional and time series changes of pedestrian environments. These indices therefore can be used as criteria for pedestrian environment planning and policy.

• Journal of the Korean School Mathematics Society
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• v.15 no.2
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• pp.239-258
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• 2012

The present study examined the differences of system and problems of descriptive assessment at the national, district level, and school's levels between Korea and U.S.A. (focused on NCTM perspective). As results, both Korea and U.S.A. showed that their goals for descriptive assessment at the national level pointed out the importance of assessment of process rather than result. In addition, States of U.S.A. demonstrated concrete rubrics and examples to help many school teachers to use easily, while many Districts of Education in Korea presented implementation rate in school in order to give a official direction to teachers.