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윤원숙 ( Yoon W. S. ),석웅 ( Seok W. ),이순영 ( Lee S. Y. ),황점숙 ( Hwang J. S. ),안은경 ( Ann E. G. ),최민선 ( Choi M. S. ),이종희 ( Lee J. H. ) 국군의무사령부 2016 대한군진의학학술지 Vol.47 No.1
Objectives: This study aims to provide epidemiological baseline data of ROK military women’s health status and to identify and prioritize their health problems. Methods: Internet based web survey was done with a 131-item-questionnaire. A total of 2068 subjects from army, navy, air-force, and marine-corps participated. To analyze the data, descriptive statistics was done utilizing SPSS Ver.20. Results: 62.2% of the participants perceived their health status positively. Most frequent health problems were anemia(28.2%), chronic rhinitis(25%), allergies(21.5), urinary tract infection, and hemorrhoids(11.6% each). Life satisfaction was 3.63±.77 at 5-point scale. 8.9% were depressed and 4.9% had suicide ideation. Average BMI was 21.7 and obesity rate was 9.0%. Current smoking rate was 2.9% and high-risk alcohol use rate was 2.5%. Most common obstetric issues were premenstrual syndrome(59.1%) and menstrual pain(46%). 55% of the participants answered ‘didn’t take pop smear test ever’ or ‘don’t know when the test was done’. 80% of the subjects didn’t perform breast-self-exam and 69.5% had never learned about it. Conclusions: Major issues and baseline data on military women’s health status were identified. The study results grant the necessity of policy development and further research for combat strength and readiness of military women.
이승엽(S. Y. Lee),최민선(M. S. Choi),최영도(Y. D. Choi),이영호(Y. H. Lee) 한국동력기계공학회 2007 한국동력기계공학회 학술대회 논문집 Vol.- No.-
The mixers are used in various industrial fields where it is necessary to mix two reactants in a short period of time. However, despite their widespread use, complex unsteady flow characteristics of industrial mixers has not been investigated systematically. This paper presents calculated results of the unsteady flow characteristics in a Industrial Mixer by CFD analysis. In this research, axial type impellers are used. The rotating speed of impellers is 1800 rpm. The results show that quite different flow patren if found between steady and unsteady calculation.
양창조(C. J. Yang),최민선(M. S. Choi),이영호(Y. H. Lee) 한국마린엔지니어링학회 2006 한국마린엔지니어링학회 학술대회 논문집 Vol.2006 No.-
In the present study the flow fields around pitching foils have been visualized by using a Schlieren method with a high speed camera in a wind tunnel at low Reynolds number regions. It has been observed that small vortices are shed discretely from the leading and trailing edge and that they stand in line on the integrated streakline of separation shear layer. By counting vortices in the VTR frames it was clarified that the number of vortex shedding from the leading and trailing edge during one pitching cycle strongly depends on the non-dimensional pitching rate.