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타이타니아 담지 활성촉매에 따른 요소 수용액의 암모니아 전환 효율 비교
이명식(Myung Sig Lee),박대원(Daewon Pak) 한국유화학회 2018 한국응용과학기술학회지 Vol.35 No.1
본 연구에서는 질소산화물 제거용 환원제로 사용하는 요소 수용액을 암모니아로 전환하는데 있어 SCR 상용촉매의 활용가능성을 확인하기위해 촉매조성에 따른 반응온도, 공간속도의 영향에 대한 연구를 수행하였다. 연구결과 SCR 촉매로 널리 사용되는 V₂O₅/TiO₂ 촉매는 TiO₂ 및 WO₃ -V₂O₅/TiO₂ 촉매에 비해 암모니아 생성이 우수함을 보였다. 활성금속을 담지하지 않은 TiO₂ 촉매는 V₂O₅ 혹은 WO₃ -V₂O₅를 담지 한 촉매에 비해 공간속도에 따른 암모니아 전환에 영향을 받지 않는 것으로 나타났으 며, 활성금속을 담지 한 촉매는 공간속도가 증가함에 따라 암모니아 생성 농도가 감소됨을 확인하였다. In this study, selective catalytic reductions (SCR) of NO commercial catalysts were used to investigate the effect of ammonia gasification from urea solution. The effects of catalytic chemical composition on the reaction temperature and space velocity were studied. V₂O₅/TiO₂ catalysts, which are widely used as SCR catalysts for removal of nitrogen oxides, have better ammonia formation compare to TiO₂ and WO₃ -V₂O₅/TiO₂ catalysts. The TiO₂ catalyst not supporting the active metal was not affected by the space velocity as compared with the catalyst supporting V₂O₅ or WO₃ -V₂O₅. The active metal supported catalysts decreased in the ammonia formation as the space velocity increased.
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KOSDIC 포맷의 응용수준별 활용모델 개발에 관한 연구
김성아(Kim SingAh),윤기병(Yoon K-Byung),이명식(Lee Myung-Sik),김성식(Kim Sung-Sig),임경일(Lim Kyoung-Il) 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
This study proposes a methodological framework for extending the KOSDIC format, which has been developed as a standard for construction drawing file exchange. The Ministry of Construction and Transportation, in cooperation with the KICT(Korea Institute of Construction Technology), has recently finished the development of the KOSDIC 1.0, and is now seeking for strategic application scenarios in order to disseminate the KOSDIC format throughout the field works as well as the government institutes. Through the investigation of similar research efforts and by applying recent advances in Information Technology area, we have formulated futuristic application scenarios of KOSDIC format. Among the suggested methods, this paper presents the proposal of KOSDIC-XML. The KOSDIC-XML is an XML based application framework which extends the KOSDIC format by integrating various web technologies. They include channel based XML technology, Web service framework, and distributed computing. The result of the research will be used for a theoretical framework KOSDIC-XML schema and its prototype applications at the next phase of this research.
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시니어 쉐어하우스 개인 및 공용공간 재구성에 대한 연구
김종훈(Kim, Jong-Hun),전권식(Chun, Kwon-sig),이명식(Lee, Myung-Sik) 대한건축학회 2022 대한건축학회 학술발표대회 논문집 Vol.42 No.1
The government recognized the need for a large number of housing supplies for the elderly and has tried various types of housing policies that can accommodate the elderly single-person households as the demand for housing for the elderly has increased. However, various problems are emerging in the residential environment for single-person elderly households. Therefore, this study aims to understand the current status of senior sharehouses located in Seoul. In this study, two senior sharehouses in Seoul were investigated and analyzed to compare the problems of private space and shared space. The study found that sharehouses located in Korea lack communication space.In order to revitalize the community, which is the purpose of the sharehouse, research on various spaces that can revitalize natural community spaces is needed.
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KOSDIC 포맷의 응용수준별 활용모델 개발 : KOSDIC-XML의 개발 제안을 중심으로 Proposing the Development of KOSDIC-XML
김성아,윤기병,이명식,김성식 대한건축학회 2004 대한건축학회논문집 Vol.20 No.4
This study proposes a methodological framework for extending the KOSDIC format, which has been developed as a standard for construction drawing file exchange. The Ministry of Construction and Transportation, in cooperation with the KICT(Korea Institute of Construction Technology), has recently finished the development of the KOSDIC 1.0, and is now seeking for strategic application scenarios in order to disseminate the KOSDIC format throughout the field works as well as the government institutes. The basic idea is that the KOSDIC format may not be well accepted in favor of legacy CAD systems unless otherwise clear benefits are experienced. Thus, we need first to define the next levels of KOSDIC development based on technical requirement and advances, second, to provide a progressive operation framework which extends the KOSDIC functionalities. Through the investigation of similar research efforts and by applying recent advances in Information Technology area, the authors have formulated futuristic application scenarios of KOSDIC format. Among the suggested methods, this paper presents the proposal of KOSDIC-XML. The KOSDIC-XML is an XML based application framework which extends the KOSDIC format by integrating various web technologies. They include channel based XML technology, Webservice framework, and distributed computing. The result of the research will be used for a theoretical framework KOSDIC-XML schema and its prorotype applications at the next phase of this research.
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