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연구논문 : 회귀분석에 의한 TOC 농도 추정 -오수천 유역을 대상으로-
박진환 ( Jinh Wan Park ),문명진 ( Myung Jin Moon ),한성욱 ( Sung Wook Han ),이형진 ( Hyung Jin Lee ),정수정 ( Soo Jung Jung ),황경섭 ( Kyung Sup Hwang ),김갑순 ( Kap Soon Kim ) 한국환경영향평가학회 2014 환경영향평가 Vol.23 No.3
The objective of this study is to evaluate and analyze Osu stream watershed water environment system. The data were collected from January 2009 to December 2011 including water temperature, pH, DO, EC, BOD, COD, TOC, SS, T-N, T-P and discharge. The data were used for principle component analysis and factor analysis. The results are as followes. The primary factors obtained from both the principal component analysis and the factor analysis were BOD, COD, TOC, SS and T-P. Once principal component analysis and factor analysis have been performed with the collected data and then the results will be applied to both simple regression model and multiple regression model. The regression model was developed into case 1 using concentrations of water quality parameters and case 2 using delivery loads. The value of the coefficient of determination on case 1 fell between 0.629 and 0.866; this was lower than case 2 value which fell between 0.946 and 0.998. Therefore, case 2 model would be a reliable choice. The coefficient of determination between the estimated figure using data which was developed to the regression model in 2012 and the actual measurement value was over 0.6, overall. It can be safely deduced that the correlation value between the two findings was high. The same model can be applied to get TOC concentrations in future.
The Significance of Serum CA125 Levels as Tumor Marker of Ovarian Neoplasm
Park, Choong-hak,Park, Jin-wan,Oh, Hyun-yang 단국대학교 1996 論文集 Vol.30 No.-
1994년 9월부터 1996년 1월까지 난소종양을 주소로 단국대학교병원 산부인과에 입원하여 치료받은 38명의 환자를 대상으로 난소의 양성종양과 악성종양(난소암)을 감별진단함에 있어 수술전에 측정한 종양표지물질혈청 CA 125 농도의 임상적 유용성을 분석한 결과 유용성의 가치가 있으나 다른 진단방법들과 병행하여 더욱 신중을 기함이 타당하다고 사료된다.