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明平根,成洛道,朴勝熙,鄭憲俊,吳仁敎 순천향대학교 1982 논문집 Vol.5 No.4
An investigation of the water quality for the streams of Daejon area in Chung-nam province, korea, was conducted from January to December 1981. By this analysis of water quality for the streams of Daejon area, annual mean values of BOD: 49.3㎎/l, COD: 33.4㎎/l, DO: 7.5㎎/l, SS: 39.1㎎/l were determined respectively and those values of parameters were comparatively high. The increasing order of the water pollution for the streams of Daejon area was as follows; confluence place Daewha-Dang (D)> Yudeung Stream (B)> Daejon Stream (A)> Gab Stream (C). Therefore, it suggest that the water pollution of the streams of Daejon area have greatly influenced upon the water quality of Kum River in Chungnam and Jon-buk province.
한국산 생약으로부터 항암물질의 개발(제 8보) - 포공령 추출물이 인체 피부흑색종세포에 미치는 세포독성작용 -
오인교,유은아,한두석,강길웅,백승화,Oh, In-Kio,Yoo, Eun-Ah,Han, Du-Seok,Kang, Kil-Ung,Baek, Seung-Hwa 한국생약학회 1998 생약학회지 Vol.29 No.3
In the present study, we have evaluated cytotoxic effects of Taraxaci herba extract on human skin melanoma cells. The light microscopic study showed morphological changes of the treated cells. Disruptions in cell organelles were determined by calorimetric methods: MTT (3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazoliumbromide), NR (Neutral red) and SRB (Sulforhodamine B protein) assay. These results suggest that Taraxaci herba retains a potential antitumor activity.
EBT로 처리된 음이온 교환수지에 의한 Fe(Ⅲ), Ca(Ⅱ), Mg(Ⅱ) 및 Ni(Ⅱ)이온의 흡착에 관한 연구
정창웅,오인교,양희태 순천향대학교 1982 논문집 Vol.5 No.4
The adsorption of Fe(Ⅲ), Ca(Ⅱ), Mg(Ⅱ) and Ni(Ⅱ) ions by chelating agent-treated resin was studied in aqueous media. The resin was prepared by the treated conventional anion exchange resin, Dowex l-X8 (50 to 100 mesh) with chelating agent containing sulfonic groups such as Eriochrome Black T(EBT). The stability of the resin was markedly influenced by the pH of the media. The optimum conditions for the adsorption of metal ions were determined in respect to the pH, shaking time and mixture solution of metal ions. Separations of Fe(Ⅲ) and Ca(Ⅱ) from multicomponent solutions of Fe(Ⅲ), Ca (Ⅱ) Mg(Ⅱ) and Ni(Ⅱ) are possible by adjusting the pH of these solutions. The total caoacities of the resins in Fe (Ⅲ) were found 3.99㎛ol/gr in the condition of pH 3.0 and in Ca 3.79㎛ol/gr in the condition of pH. 8.8.
백승화,김일광,오인교 圓光大學校 1981 論文集 Vol.15 No.1
Analysis of substance on the Ethrel(2-chloroethylphosphonic acid) sparyed tomatoes and natural growing tomatoes has been inverstigated. The measured results from this study were as followings; 1. Tomatoes are in buffer state of several organic acid. 2. At green state acidity and reducing sugar contents are increased gradually. 3. At after taken, the reducing sugar is increased rapidly. 4. The contents of vitamin C, glucose, protein in Ethrel sprayed tomatoes are not increased.
成洛道,鄭憲俊,吳仁敎 圓光大學校 基礎自然科學硏究所 1982 基礎科學硏究誌 Vol.1 No.1
The authors has made an investigation on the water pollution of Kum River in chungnam province area from January to December 1981 and discusses the results of the water quality for the water samples were taken from 5 stations along the Kum River basin that is, Caechung dam (Ⅰ), Meapo(Ⅱ), Yeungi(Ⅲ), Gongju(ⅳ) Bueyeu(ⅴ). It is confirmed, by the analysis of B.O.D., C.O.D., S.S. and coliform that the Kum rever water was relatively less polluted than the other. Therefore it may be suitable still as source of water system. The relationships between pollutants in the Kum River Basin are as follow; B.O.D.(㎎/ℓ)=1.30C.O.D.-0.05(㎎/ℓ)