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소년원학교 재원생들의 불면증상과 수면환경 - 서울소년원을 중심으로 -
이민재 한국소년정책학회 2019 少年保護硏究 Vol.32 No.1
. Although the importance of sleep in terms of quality of life and health is well known, many inmates suffer from sleep difficulties in Seoul juvenile training school. So this cross-sectional study was conducted to investigate the prevalance and severity of insomnia. Considering the age and educational level of the subjects, relatively simple questionnaire proposed by the Korean Sleep Research Society was conducted to 191 detainees in November 19, 2018. With the results this research tried to suggest the alternative to the situation of Seoul juvenile training school in terms of sleep hygiene and environmental improvement which are the most important treatment for sleep disorder.
효모세포의 자외선조해효과에 대한 각종 파장 광선의 작용
이민재,이광웅 한국미생물학회 1968 미생물학회지 Vol.6 No.4
Action of various wavelengths of visible light on ultraviolet-radiation damage to haploid yeast cells, Saccharomyces cerevisiae 23971, was studied. The results were obtained on the basis of the survival and respiration rates by pre- and post-illuminations of various wavelengths before and after U.V.-irradiations on the yeast cells. Among the wavelengths tested, 635 $m{\mu}$, 429 $m{\mu}$ and white light which caused increase of respiration in pre-treatment alone, induced less resistance to the U. V.-damage than in the control, in both pre- and U.V.-treatment. On the contrary, such wavelengths as 574 $m{\mu}$and 530 $m{\mu}$, showing a weak effect on respiration in pre-treatment increased the susceptability to U.V.-radiation. Photoinactivation was generally obtained by both pre- and post- illuminations along with U.V.-treatment. At 635 $m{\mu}$ the PI rate was the lowest and also a low PI rate was shown at 429 $m{\mu}$. But 429 $m{\mu}$, in the post-treatment of the yeast cells pre-treated by the white light and the darkness respectively, showed the highest PI rate. In both pre- and post- treatment of 574, 530 and 473 $m{\mu}$,the PI rates were high to the same degree. Post-treatments of the wavelengths on U.V.-treated yeasts incubated rather under the white light than the darkness induced lower PI rate. It is assumed that there are great differences in action even of the same wavelength, depending upon the various combination of pre- and post-treatments, and that, moreover, the action of various wavelengths of visible light on U.V.-damage on the cells are concerned with the doses and dose rates of U.V. and visible lights. These observations led to an interpretation that each wavelength of visible light might exert distinctively different effects oil U. V.-damage, mainly causing the inhibition or stimulation of enzymes in the yeast cells.
외식기업의 CSR에 따른 지속가능경영이 조직성과에 미치는 영향
이민재,김주호 관광경영학회 2019 관광경영연구 Vol.89 No.-
The purpose of this study is to investigate the effect of CSR activities on food service industry job satisfaction and turnover intention by using food service industry CSR activities with 350 out of 400 (effective sample rate: 87.5%) As a result of the analysis, it was found that factor reduction of ISO 26000 was executed from the same factor of human rights and labor practices, and it was derived as six factors, and the relationship between CSR activities and sustainability management was partially influenced. Among the CSR activities, three factors of labor / human rights practices, fair operating practices, and participation in community development were found to have a significant effect on sustainability management. All of the hypotheses were adopted. The implication of this study is that ISO 26000 is identified as a social responsibility activity.