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A Study on the Computed Mortality Method in Life Analysis
오현승,이한교,조진형,Oh, Hyun-Seung,Rhee, Hahn-Kyou,Cho, Jin-Hyung Society of Korea Industrial and System Engineering 2009 한국산업경영시스템학회지 Vol.32 No.2
공공사업이나 자동화 생산시스템 등에 있어서 설비 자산이 차지하는 비중은 매우 크며 이러한 설비들의 경제적 설비 대체 분석을 위하여 설비에 대한 수명분석이 이루어져야 한다. 본 논문에서는 설비들의 폐기 자료가 불충분한 경우의 수명분석에서 Iowa형 생존곡선을 기초로 한 CM 방법을 제시하였다. 기존의 SPR 방법이 평균 수명만을 추정하는데 비하여 제시된 CM 방법은 설비의 수명분포를 추정함으로써 평균 수명뿐만 아니라 폐기 자료의 폐기곡선과 폐기율을 추정할 수 있어 설비 교체 분석 시 유용하게 사용될 수 있다.
오현승,김순구,배성욱,변상준,김신,이재호,황일선,권선영,이혜원 대한병리학회 2022 Journal of Pathology and Translational Medicine Vol.56 No.1
Background: Polo-like kinase 4 (PLK4) is a serine/threonine protein kinase located in the centriole of the chromosome during the cell cycle. PLK4 overexpression has been described in a variety of many common human epithelial tumors. Conversely, PLK4 acts as a haploinsufficient tumor suppressor in some situations, highlighting the importance of strict regulation of PLK4 expression, activity, and function. Meanwhile, the importance of chemoradiation resistance in rectal cancer is being emphasized more than ever. We aimed to analyze PLK4 expression and the tumor regression grade (TRG) in patients with rectal cancer, treated with chemoradiotherapy (CRT).Methods: A retrospective study was conducted on 102 patients with rectal cancer who received preoperative CRT. Immunohistochemistry for PLK4 in paraffin-embedded tissue was performed from the biopsy and surgical specimens. Results: We found significant association between high expression of PLK4 and poor response to neoadjuvant CRT (according to both Mandard and The Korean Society of Pathologists TRG systems) in the pre-CRT specimens. Other clinicopathologic parameters did not reveal any correlation with PLK4 expression. Conclusions: This study revealed an association between high expression of PLK4 in the pre-CRT specimens and TRG. Our results indicated that PLK4 could potentially be a new predictor for CRT effect in patients with rectal cancer.
잔존수명을 활용한 제조설비의 경제적 감가상각률 추정방안
오현승,조진형 한국산업경영시스템학회 2010 한국산업경영시스템학회지 Vol.33 No.3
Depreciation accounting has as its main objective, the recovery of the original cost of plant investment less net salvage, over the estimated useful life of that plant. Accuracy of the whole life technique in meeting this objective depends entirely on the
오현승,김혜정 미래영어영문학회 2014 영어영문학 Vol.19 No.3
The quality of childhood English teachers are emerging, and what the most important for the teachers in charge of classes is detailed and clear guidelines about how to use the detailed contents and compositions of textbooks, and teaching methods and teaching materials in order to realize educational process in the right direction. In accordance with such an idea, in the theoretical background, I looked into childhood and elementary school English teachers, teachers' manual and CD-ROM, the standards of evaluation of the teachers' manuals. In accordance with the purpose and the needs of these research, this study conducted analyses of teachers's guide for English teachers and electric writings(CD) in private childhood English educational institutions based on notes for compiling elementary school textbooks and qualification standards. Based on the results of such comparative analyses, it provided suggestions for guides for English teachers developed by private early childhood English educational institutions.
키워드 네트워크 분석을 활용한 PTSD(Post Traumatic Stress Disorder) 연구 동향 탐색
오현승,이동훈 한국재활심리학회 2018 재활심리연구 Vol.25 No.4
본 연구는 외상 후 스트레스 장애(PTSD)에 대한 미국의 연구동향을 분석하여 향후 국내 PTSD 연구에 기초자료를 제시하는데 목적이 있다. 이를 위해 키워드 네트워크 분석방법을 통해 2012년부터 2016년까지 5년 동안 미국 APA 산하의 Psychological Trauma: Theory, Research, Practice, and Policy와 Psychological Services’에 게재된 307편의 논문을 분석하였다. 먼저, 평정영역에 따라 발행된 논문들의 특성들에 대하여 빈도분석을 실시하였으며, 이에 대한 결과 및 차이점들을 제시하였다. 둘째, 연결정도중심성 분석을 실시한 결과 treatment outcome(치료성과), combat(전투), alcohol(알코올) 순으로 높은 연결정도중심성을 보였다. 셋째, 네트워크 커뮤니티 분석 실시결과 외상 및 대처 행동에 관한 군집군과 PTSD 증상에 대한 치료개입 및 성과에 관한 군집 군으로 분류할 수 있었다. 이러한 결과를 바탕으로 논의 및 시사점을 제시하였다.
인문 · 사회과학편 : 살풀이춤의 선(線)을 통한 태권도 위생품세 연구
오현승 한국체육학회 1994 한국체육학회지 Vol.33 No.2
The following results come from the study of the traditional Korean Sal-Pul Dance’s history, research on past data, and the dance’s movement structure.1. The movement of the Sal-Pul Dance and the Korean traditional dance have a disvinct curve line, therefore, Tae-Kwon-Do’s Pum-Sae movement must apply the beautiful movememt of Health Pum-Sae which also has the distinct curve line.2. Ki-Kong’s fundamental element, the right: body, the correct breathing, and the right mind, can be achieved by the combination of Sal-Pul Dance’s movement, Health Tae-Kwon-Do’s breathing, and the right mentality. Therefore, the positive effect of the Health Tae-Kwon-Do is the one to look forward to.3. The prevention and the cure of adult diseases could be aided by applying the Sal-Pul Dance and Tae-Kwon-Do’s Pum-Sae to Health Pum-Sae.
제한적 자료에 의한 유형고정자산의 경제적 내용년수 추정
오현승,조진형 한국경영과학회 1998 한국경영과학회 학술대회논문집 Vol.- No.1
In order to get the service lives of the tangible fixed asset s by Iowa Curve, we need the information about the retirement of the assets, that is, the vintage ones. But most countries don 't have the information about such ones. In this paper, as an application of Iowa Curve by the data of National Wealth Survey of Korea which don' t have the information of the retirement, we get the service lives of the assets.