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윤자민(Jamin Yoon),권규현(Gyu Hyun Kwon) 한국HCI학회 2019 한국HCI학회 학술대회 Vol.2019 No.2
본 논문은 스마트 블록(Smart Block)의 활용 시 블록간 위치의 형태에 따른 형식화를 통해 인터렉션 요소로 사용하기 위한 새로운 접근방식을 제안한다. 이를 위해 스마트블록에서 고려되어야 하는 인터렉션을 파악한 후 기호학을 기반으로 유닛 인터랙션을 범주화하여 인터랙션을 형식화 한다. 본 연구에서는 스마트 블록위치의 형태에 따른 정의를 새로 내리고 기호화하여 블록을 어떻게 배치하느냐에 따라 새로운 의미를 도출한다. 추가적으로 예시를 통해 블록들의 배치에 의한 의미를 도출하는 과정을 설명한다. 스마트 블록을 활용하여 블록 간 위치에 따른 형식화를 쉽게 할 수 있는 새로운 접근 방식을 제안한다.
A systematic approach towards accident analysis and prevention
Jamin Koo,Seunghyok Kim,Hyosuk Kim,Young-Hun Kim,En Sup Yoon 한국화학공학회 2009 Korean Journal of Chemical Engineering Vol.26 No.6
A systematic approach towards accident analysis and prevention has been developed. It relies on system theory as an incident causation model, and adopts a hybrid model for identifying elements of the safety management system. PDCA (Plan-Do-Check-Act) process, commonly practiced in business for quality control, has been applied to defining components of the system. Using the experts’ judgment, accident data and their reported causes are correlated to the defined components, with RBI (risk-based inspection) defined consequence scores as weighting factors. The application of this approach allows users such as governments and companies to identify and prioritize among causes of accidents and near-misses in the petrochemical industry. A case study using the accident data of Yeosu petrochemical complex from 1990 to 2004 has been applied to illustrate insights readily obtainable by using the developed analysis technique. The results suggest comprehensive identification and ranking of accident causes for effective prevention of accidents in the future.
Type conversion of n-type silicon nanowires to p-type by diffusion of gold ions
Koo, Jamin,Lee, Myeongwon,Kang, Jeongmin,Yoon, Changjoon,Kim, Kwangeun,Jeon, Youngin,Kim, Sangsig Institute of Physics 2010 Semiconductor science and technology Vol.25 No.4
<P>The simple type conversion of n-type silicon nanowires (SiNWs) to p-type by the diffusion of Au ions is demonstrated in this study. An Au thin film with a thickness of 10 nm was thermally deposited on an n-type SiNW and a rapid thermal annealing process was performed subsequently to diffuse the Au ions into the SiNW. The electrical characteristics of a back-gate field-effect transistor with a channel composed of the Au-diffused SiNW show that the Au-diffused SiNW acts as a p-type one. The type conversion phenomenon of the SiNW caused by the diffusion of Au ions is discussed in detail in this paper.</P>
구자민(Jamin Koo),이명원(Myeongwon Lee),강정민(Jeongmin Kang),윤창준(Changjoon Yoon),김광은(Kwangeun Kim),김상식(Sangsig Kim) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
n형 특성을 가진 실리콘 나노선을 금확산을 이용하여 p형 특성을 가진 상태의 나노선으로 변환하였다. Back-gate 형태로 제작된 n형의 실리콘 나노선 전계 효과 트랜지스터를 제작한 후, 채널로 사용되는 나노선 위에 금을 열증착방법을 이용하여 증착했다. 이후, 급속열처리공정을 통해 실리콘 나노선에 금이온을 확산시켰다. 나노선의 특성 변환을 확인하기 위하여 전계 효과 트랜지스터의 특성곡선을 통해 그 변화를 관찰하였다.
@@@@@Double-stranded RNA Induction as a Potential Dynamic Biomarker for DNA-demethylating Agents
Minjeong KANG,Kharbash RAISA,Jamin BYUN,Jaemin JEON,Ali AHSAN,Doyeong KU,Jimin YOON,Yongsuk KU,Jooyeon SOHN,Seungjae LEE,Dongyeop SHIN,Youngil KOH,Sungsoo YOON,Junshik HONG,Yoosik KIM 한국생물공학회 2023 한국생물공학회 학술대회 Vol.2023 No.4
Development of chemical accident database: Considerations, accident trend analysis and suggestions
Namjin Jang,윤인섭,Jamin Koo,신동일,Moon Shik Jo,Yi Yoon 한국화학공학회 2012 Korean Journal of Chemical Engineering Vol.29 No.1
Traditionally, regulations, standards, codes and management systems were established after major accidents such as Seveso Directive by Seveso accident, Italy, in 1976, etc. Also, several chemical material and process accident databases were developed and implicated in the world. In this paper, we introduce a set of recently developed databases,such as eMARS (EC), HSEES (USA) and PEC-SAFER (Japan), and describe current development of a chemical accident tracking system in Korea. Especially, we intensively focused on general classification codes, simplified and effective database structure, user friendly interface and intuitional searching methods. Additionally, the chemical accident trends were analyzed by using third grade of accident casualties and property’s loss. Finally, suggestions for applicability improvement of database are proposed. To improve the management and operability of hazardous materials and chemical processes, the systemic approaches are essential using accident database. The developed database and suggested issues in this study can perform an important function in the chemical industries.