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시뮬라크르에 의한 건축사진의 변화에 대한 연구 - 보드리야르의 이론을 중심으로 -
이남선(Lee, Nam-Sun),이경선(Lee, Kyung-Sun) 대한건축학회 2022 대한건축학회 학술발표대회 논문집 Vol.42 No.2
Photography is perceived as objective, but it is only an idea created by the tool. Therefore, it is impossible to objectively recognize architecture through architectural photography. Not all of these non-objective views appear uniformly. Also, the reasons are very different. his thesis is a study on how architectural photography changes into a non-objective image through Baudrillards simulacre.
이남선(Lee, Nam-Sun),이경선(Lee, Kyung Sun) 대한건축학회 2019 대한건축학회 학술발표대회 논문집 Vol.39 No.2
Architectural photography plays important roles among others in the architecture archive. Thanks to the computer and internet technology in the 21st century, the photographs are now stored in digital formats. The technology also changes the traditional concept of the archive of architectures. This study examines the digital archive of architectures and explores the photography technique, its application, and case studies. For instance, these techniques are gigapixel images, time-lapse, spherical panoramic photography, 3D mapping, etc. The digital technology enables convergence with other technology to deepen the understanding of architecture. It also provides a broad perspective from various angles beyond the conventional 2D records.
직무과부하에 따른 스트레스가 직무탈진감 및 이직의도에 미치는 영향
이남선 ( Nam Seon Lee ),최민영 ( Min Young Choi ),엄기현 ( Ki Hyun Um ),김상만 ( Sang Man Kim ) 경희대학교 경영연구원 2013 의료경영학연구 Vol.7 No.4
This study focuses on the effect of job stress on burnout and turnover within the realm of individuals` work environment. The study also examines how workplace dynamics as communication within the organization, delegation of authority, and a meritocracy-based rewards system affect and mold this relationship. In general, employees exhibit higher levels of stress and anxiety, impacting their performance within the workplace. Additionally, employees often display increased levels of stress and higher emotional demands when faced with obstacles such as role ambiguity, role conflict, and others. The result of the empirical analysis through the structural equation model is summarized as follows: Job stress due to emotional demands was a major factor in predicting an employee`s decreased levels of output and productivity. Additionally, their sense of “burnout”-or burnout factor- was the biggest cause of career and job turnover increase. Lastly, despite an employee`s level of work engagement, there is still a strong correlation between less fluent communication and role delegation in the workplace, and burnout on the job. Furthermore, we found that the level of compensation does not necessarily affect an employee`s decision or willingness to end their relationship at a particular company or organization.
건축사진의 탈개인화와 구성주의에 대한 연구 - Iwan Baan의 사진을 통한 건축사진의 사회적 관점 -
이남선(Lee, Nam-Sun),이경선(Lee, Kyung-Sun) 대한건축학회 2022 대한건축학회 학술발표대회 논문집 Vol.42 No.2
It is very difficult to understand architecture through photography. This is because the multifaceted form of architecture and the selective form of photography are combined. Nevertheless, due to the limitations of the media, various photos were not needed. However, architectural photographs since 2000 have a different form than before due to the development of various media and media. The development of Internet media overcoming spatial limitations has made it possible to process more photos. In this process, architectural photography evolved into a pluralistic and constructivist form. This paper aims to study the pluralistic perspective and constructivist changes in modern architectural photography.
조현국,임병관,이남선,문병연 대한시과학회 2011 대한시과학회지 Vol.13 No.3
목적: 안경렌즈에서 광학중심점을 벗어난 위치에 따른 굴절력의 분포를 조사하였다. 방법: 시중에서 유통되고 있는 +1.50D, ±2.00D, -3.00D인 구면렌즈에 대해 광학중심점으로부터 0-25 mm만큼 떨어진 지점의 굴절력을 측정하고, 국제규격과 비교하였다. 결과: 렌즈의 광학중심점으로부터 멀어질수록 렌즈의 굴절력은 증가되어 오차가 커졌고, 원주굴절력의 발생빈도도 증가하였다. (-)렌즈의 경우 20 mm 이상에서는 대부분이 허용오차를 초과하였다. (+)렌즈는 모두가 허용오차 이내에 포함이 되었다. 결론: 국내외 시장에서 국산제품들이 더 높은 경쟁력을 확보하기 위해서는 엄정한 공정관리와 품질관리가 필요할 것이다. Purpose: In this study, the distribution in refractive powers on lenses was investigated. Methods: We used +1.50D, ±2.00D and -3.00D spherical lenses which were distributed in Korea. Refractive powers at 0~25 mm from optical center were measured, and then, their optical uniformity were surveyed according to international standards. Results: Refractive power, power error and frequency measured cylindrical power were increased respectively as optical point was far from optical center. In the case of (-) lenses, most of powers which were measured at 20~25 mm from optical center exceeded the tolerance. There were no cases exceeding tolerance for (+) lenses. Conclusions: The hard process control and precision quality control will be essential to secure a higher competitiveness of Korean products in the domestic and foreign marketplace.
지윤선,이남선,길기정,유지현 대한본초학회 2019 大韓本草學會誌 Vol.34 No.1
Objectives : This study aimed to analyze contents of chlorogenic acid among major ingredients and determine the optimal solvent for the antioxidant activity from Solidago virga-aurea var. gigantea(SV) aerial part. Methods : Mature aerial part of extracted SV at the first crop on June 2018 was used. SV was mixed with each at the ethanol concentrate rates of water, 10, 30, 50, 70, and 100% and extracted them for three times for eight hours at 70℃. The contents of chlorogenic acid and seven kinds of antioxidant activities were measured in SV extracts. Results : The highest the contents of chlorogenic acid was from 10% ethanol extracts showed. Total polyphenol and flavonoids of SV extracts were 126.16 mg/g and 105.84 mg/g, respectively. Scavenging activities of DPPH, ABTS, and hydroxyl radical significantly increased in a dose-dependent in SV extracts, while it was almost similar with control at the concentration of 500 g/mL. Fe2+ chelating activity significantly increase in a dose-dependent in SV extract, it was lower than control. Nitrite scavenging activity increased, dose-dependent in the sequence of pH 1.2> pH 3.0 > pH 6.0 in SV extracts, while it was almost similar with control at the concentration of 500 g/mL, pH 1.2, and pH 3.0. Conclusions : Thus, this study found that higher contents of chlorogenic acid and excellent antioxidant activity were contained in 10% ethanol extracts in mature aerial part of SV. It is expected to be used as basic data as natural antioxidant materials.