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박준택(Park June-Teak),이종수(Lee Joong-Su),윤병현(Yun Byung-Hyun),박용걸(Park Yong-Gul),이안호(Lee An-Ho),성택룡(Seong Taek-Ryong) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
LRT(Light Rail Transit System) is devided into steel-wheel train, LIM and rubber tired AGT(Automated Guide-way Transit System). The main features of LRT are low construction cost, low space, low noise, Environment-friendly, fastly, low maintenance cost. it"s a civil transit transfer system of new generation became popular advanced nation. In this study, the beginning designed manufactureing rubber tired AGT turnout and guide-way system for the field application. We hope reliability for the system shall home production of turnout and guide-way.
황광하(Hwang Kwang-Ha),박준택(Park June-Teak),이종수(Lee Joong-Su),박용걸(Park Yong-Gul),정우진(Jung Woo-Jin) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
In reference to conventional line speed-up and improvement railway, accurate assembly of turnout affects traveling quality of turnout area and running safety. Because of heavy weight and a large volume of the long sleepers and car limit, transport and construction of the P.C(prestress concrete) sleeper turnout is the most difficult process. the prerequisite for trouble-free transport of the factory pre-assembled major turnout components is achieved through division of long sleepers. So, in this paper we investigate structural safety of segmented sleeper which is adopted for the first time to improve performance of turnout and, new construction method.
조건부가치측정법을 이용한 도시기상정보서비스의 경제적 편익 분석
조영상 ( Young Sang Cho ),구윤모 ( Yoon Mo Koo ),이종수 ( Jong Su Lee ),이중우 ( Joong Woo Lee ) 한국환경경제학회, 한국자원경제학회 ( 구 한국환경경제학회 ) 2011 자원·환경경제연구 Vol.20 No.4
인구의 도시 집중화가 심화되고 도시지역에서의 국지성 폭우, 폭설, 폭염 등과 같은 이상 기상재해가 매해 증가하면서, 도시지역의 지리적 특성을 고려한 도시기상정보서비스에 대한 관심이 높아지고 있다. 도시기상정보서비스는 현재보다 더욱 세밀한 단위로 도시의 기상 현상을 관측하여 실시간으로 도시에 특화된 유용한 기상정보를 제공하는 첨단 과학기술 분야로, 도시민의 삶의 질 향상뿐만 아니라 도시내 산업 발전에도 기여할 것으로 예상되고 있다. 본 연구에서는 이러한 도시기상정보서비스의 경제적 가치를 해당 정보서비스의 수요자인 도시민을 대상으로 조건부가치평가 방법을 사용하여 분석하였다. 분석 결과, 수도권 가구들을 기준으로, 한 가구당 평균적으로 향후 5년 동안 연간 5,963원을 도시기상정보서비스에 지불할 의사가 있는 것으로 나타났으며, 가구주의 사회·경제학적 특성에 따라 지불의사액에 차이가 있는 것으로 나타났다. As the concentration of people in urban area become severe and abnormal meteorological disasters such as regional torrential rains, heavy snows, sweltering heat, and so on have been increasing, the interest on the urban meteorological information service, which considers the specific characteristics of metropolitan areas in weather forecasting, are also increasing. The urban meteorological information service is one of up-to-date technologies which observes urban weather in a more microscale perspective compared to the present weather forecasting system and provides useful meteorological information which is specialized for metropolises in real time. Therefore, urban meteorological information service is expected to contribute to the increase in quality of life for citizens and to the development of industry in urban areas. In this study, we estimate the economic benefit of the urban meteorological information service using contingent valuation method with survey data of the citizens who are expected to be the direct customers of this new information service. As a result, we conclude that the household is willing to pay 5,963 Korean won per year on average, during a period of five years, for receiving this meteorological information service, and this willingness-to-pay is varied by the socio-economic characteristics of head of the household.
Plasminogen kringle (angiostatin) 분획의 유효부분 분석
최영기,서원덕,이종수,신광순,김철중 충남대학교 수의과대학 동물의과학연구소 1998 動物醫科學硏究誌 Vol.6 No.-
In order to inhibit the growth of the malignant tumor, the development of various drugs against the malignant tumors has been archived. The combination of these drugs made the tumor therapy possible, but in many cases, secondary matastasis of the tumor to the other organs after its removal has been frequently reported. The angiostain, recently purified and cloned, not only promtes the angiogenesis of the tumor itself in the primary tumor but also inhibits the angiogenesis and metastasis of the secondary tumors. In this study, the nucleic acid sequences of the angiostatin was investigated. And the angiostain gene was expressed in a prokayotic expression system(E. coli) and a eukayotic expression system(Pichia pastoris). The angiostain gene was futher subcloned into 6 clones to characterize its biological activity. In the near future the biological activity and the biochemical property of the protein encoded by each clone will be elucidated.