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CO2 배출량 제약과 배출권거래제를 고려한 설비계획 방법론 개발에 관한 연구
金洋逸(Kim Yangil),鄭求亨(Chung Koohyung),韓錫萬(Han Seokman),金發鎬(Kim Balho) 대한전기학회 2007 전기학회논문지 Vol.56 No.3
WASP which is used to plan generation expansion has disadvantages that can't manage environmental factors and regional supply-demand planning. But with the effectuation of the United Nations Framework Convention on Climate Change (UNFCCC) and Kyoto Protocol, it is expected that reducing greenhouse gases affects power system in its long-term generation expansion planning. Therefore national countermeasures is needed. This paper formulates a mathematical model considering CO2 emission constraints and Emission Trading that will be enforced. This model is based on the MEFISET (Model for Economic Feasibility of Interstate Electrical Ties) which was made by Korea Energy Economics Institute and Hong-ik university and manages generation expansion planning. And this mathematical model is verified by studying a case system.
Monthly & regional utilization factor of PV Plants in 2009, Korea
김양일(Kim, Yangil),양성배(Yang, Sungbae),류성호(Ryu, Sungho),오석환(Oh, Seokhwan) 한국신재생에너지학회 2010 한국신재생에너지학회 학술대회논문집 Vol.2010 No.06
KPX(Korea Power Exchange) has been supervising FIT(Feed-in-tariff) for renewable energy power plants and supported 289MW photovoltaic power plants with Electric Power Industry Basis Fund in 2009. In this paper, we'll analyze utilization factor of these PV power plants in 2009 and for the latest 3 years and finally utilization factor of other renewable energy power plants in 2009.
김양일(Kim, Yangil),류성호(Ryu, Seongho),신중선(Shin, Jungsun),오석환(Oh, Seokwhan) 한국신재생에너지학회 2011 한국신재생에너지학회 학술대회논문집 Vol.2011 No.05
2010년말 기준으로 약 3,200MW의 신재생에너지 발전소가 전력시장에 참여하여 전력거래를 실시하고 있다. 이 논문을 통해 2010년 1년간 운전한 신재생에너지 발전소들의 발전실적을 월별, 지역별 등으로 분석해 보고, 또한 과거 발전 실적과 비교 분석해 보고자 한다.
이현주,이은영,김광,이상만,선우양일 東亞大學校附設遺傳工學硏究所 1997 遺傳工學硏究 Vol.- No.4
We investigated the kinetic study of alkaline hydrolysis of chitin directed toward the hydrolysis of the acetamide group and the reactions of chitin. The degree of deacetylation in the chitin was increased as the alkaline concentration during reaction time at 25℃, and the rate equation was linear relationships to support the speculation that the deacetylation of chitin in the homogeneous alkli chitin solution would be a pseudo-first-order reaction to be proportional to the concentration of the acetamide group formed by alkaline hydrolysis. We used the method intermittently washed the intermediate product in water two or more during the alkali treatment and obtained chitin having a deacetylation of up to 100%, without serious degradation of the molecular chain. The results were calculated by the IR spectra analysis and the titration of the solutions with 0.1N HCI. The values of the rate constants for the deacetylation of chitin were investigated at the different temperature, the activation energy was evaluated from the slope of the straight line of the Arrhenius plot (log k - 1 /T). It was found to be 12.34 kcal/mol.
카드뮴이 백서의 배양섬유모세포에 미치는 세포독성에 관한 연구
유태환,반승일,김형주,김양일,정연태 원광대학교 환경과학연구소 1992 環境科學硏究誌 Vol.1 No.1
Present study was carried out to investigate the cytotoxicity of cadmium on cultured rat fibroblasts. The colorimetric assays of neutral red(NR) and tetrazolium MTT, the measurements of total contents of protein, the rated of DNA synthesis, light and electron microscopic studies were performed on the fibroblasts cultured in the media containing various concentrations of cadmium. The results are as follows : 1. The NR and MTT values were increased dose-dependent of cadmium. 2. The MR_90, MR_50, MTT_90 and MTT_50 values of cadmium were 0.2μM, 19.5μM, 1.0μM and 60.0μM, respectively. 3. The total contents of protein at concentrations of cadmium, 0.2μM, 24.5μM were 90% and 50% of the control, respectively. The aspects which decrease the total contents of protein agreed to NR uptake ability. 4. The rates of DNA synthesis at concentrations of cadmium, 5.0μM, 70.0μM were 90% and 50% of the control, and those were 65%, 60% at concentration of NR_50, MTT_50 values, respectively. 5. In light microscopic study, cadmium induced dose-dependent reduction of cell number and decrease in cell size, and election microscopy of cultured fibroblasts treated with cadmium showed dilatation of cisternae of granular endoplasmic reticulum. 6. Cadmium induced the toxic effects on the lysosome and mitochondria at lower concentration than does which didn't affect the rated of DNA synthesis.From the above results, it suggests that the cytotoxic target of cadmium may be cell organelles such as granular endoplasmic reticulum.