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柳志喆 忠州大學校 1987 한국교통대학교 논문집 Vol.21 No.-
Modern production planning is heavily dependent of forcasts of demend or activity. The purpose of this study is to develope on efficient modeling procedure using the merits of exponentional smoothing. In exponential smoothing, we control the smoothing characteristic by adding a factor, the smoothing constant called alpha(α),which directs more empassis to recent demends. Although the exponential smoothing can be applied to anytime series forcasting technique,it is inferior to other techniques by comparision in forcasting. In this paper, we have a suggested two exponential models by computer programming. The first is simple exponential smoothing, the second is Winter's method. As a result, the result show that Winter's method is superior to simple exponential smoothing in forcasting ability and fitting for past of time series.
류지철,김영균,권정남,Ryu, Ji-Cheol,Kim, Young-Kyun,Kwon, Jung-Nam 대한한방내과학회 2004 大韓韓方內科學會誌 Vol.25 No.3
After a gastrectomy, various forms of postgastrectomy syndrome may happen, such as dumping syndrome, reflux $^{\wedge}esophagitis$, afferent loop syndrome, marginal ulcer, anemia, etc. These can cause some problems in the quality of life for post-gastrectomy patients. This oriental medicine treatment was designed to improve digestion and relieve symptoms, correct imbalance and prevent relapse in each case. This study suggests a level of efficacy of oriental medicine(Samryungbaekchul-san, Bobi-tang) in treating postgastrectomy syndrome.
류지철,Ryu, Ji-Cheol 대한석유협회 1996 석유와 에너지 Vol.1996 No.8
이 자료는 지난 7월 5일 한전 소강당에서 열린 한국에너지협의회ㆍ에너지경제연구원 공동 세미나에서 발표된 내용을 옮긴 것이다. <편집자 주>