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RADIANCE 프로그램에 의한 다용도 멀티미디어실의 조명설계 및 평가
송규동,고영주 대한건축학회 2004 대한건축학회논문집 Vol.20 No.10
Multimedia rooms for various visual tasks require accurate design and control scenarios in artificial lighting during the early stages of design processes Then, various design and control schemes have to be evaluated in terms of quantitative and qualitative aspects illuminance levels for various visual tasks must be evaluated in terms of quantitative aspects and luminance distributions under various lighting schemes must be evaluated in terms of qualitative aspects In this study, the RADIANCE program was used to evaluate the illuminance and luminance distributions in an actual multimedia lecture room to suggest a procedure for designing and controlling the artificial lighting for multi-purpose rooms In this study, three main criteria for evaluating the luminous environment of the multipurpose room included illuminance level, VCP(Visual Comfort Proability) and UGR(Unified Glare Rating)
사이버 공간의 공동체와 분화 : 대학생PC통신 사용자를 중심으로
김철규,나은영,마동훈 한국사회문화학회 2000 사회와 문화 Vol.12 No.-
Community has been an important topic for social scientists, especially in regards to the processes of modernization and urbanization. Recently, in the context of the so-called "information revolution." on-line communities have gartered increasing interest. Despite wide and casual usage of the term "on-line community" in mass-media, little work has been done to conceptualize on-line communites and how they mimic and/or diverge from their more conventional (off-line) counterparts. This study hopes to fill this intellectual gap by re-examining the concept of community in the existing literature and by interpreting primary data collected through a survey of on-line interaction among college students. The existing literature indicates that communities in the 'real world' are not as spatially bound and homogeneous as the ideal-typical notion implies. Furthermore, our primary data shows that space and homogeneity even less significant for on-line communities, where interaction and subjective definition by participants are primary in community formation. Spatial locations(such as rural and urban)and off-line variables(such as gender or income)are not significant in the formation and types of on-line communities. This leads us to cautiously predict that on-line interaction may help construct a civil society based on solidarity other than traditional networks(such as school and regional ties).
도시노후지역에서 이해 관계자의 특성에 따른 정비방식의 효과성 분석과 적용가능성에 관한 연구
정동섭,배웅규,양윤재 대한건축학회 2005 대한건축학회논문집 Vol.21 No.3
The purpose of this study is to suggest the alternative methods of the improvement of residential environment, focusing on the Incumbent Upgrading, through the participation of the interested parties in a site. One of the critical issues in the improvement of the residential area is re-dwelling of the tenant. However, there has not been considered it in the design process. At the results of those kinds of residential developments, there have resulted in side-effects, disharmonious of either urban landscape or urban grain, the lack of Infra-structure, and even effected on a negative influence in terms of social aspects such as free-rider, unequal distribution of development profit, and so on. Consequently, this study focused on the design solution for the improvement of a residential area considering the grain, the tenant, and defined the effectiveness of the alternatives by comparing it with existing design approaches in the aspects of physical factors.
김동섭,신정철,고명규,최준규,장세진 한양대학교 의과대학 1998 한양의대 학술지 Vol.18 No.1
The congential fibrosis syndorme is rare congenital disorder which is characterized by blepharoptosis, varying degrees of limitation of eye movement, especially in vertical gaze, and abnormal head position. These clinical findings result from the fibrous replacement of normal contractile extraocular muscle tissue. The authors report one sporadic case of congential fibrosis syndrome. The 14 year-old-girl showed bilateral ptosis, fixed ocular misalignment in downward gaze, limited ductions and versions, and characteristic chin up position. The surgical management attempted to achieve functional readjustment of the ocular alignment and lid position and to correct cosmetically unacceptable abnormal head position. Result of histopathologic examination obtained at surgery shows replacement of the extraocular muscles, conjuctiva and Tenon's capsule by collagen and dense fibrous tissue. The surgical outcome is considered satisfactory when compared with preoperative status although the limitation of vertical eye movement remains unchanged after surgery.
Comb 형 전극구조를 갖는 AC 플라즈마 디스플레이 패널의 전기, 광학적 특성
임성규,장호정,김동수,이순석 단국대학교 1999 論文集 Vol.34 No.-
The electrical and optical characteristics of comb type AC-PDP fabricated by the screen printing method were measured. The charge-voltage (Q-V), capacitance-voltage(C-V) and current-voltage (I-V) characteristics were also measured. The Q-V curve showed the firing voltage and transferred conduction charges and wall charges. The capacitance charge due to the charge of applied voltage was also observed from the C-V curve and it was shown that the air gap could not be considered 100% shorted during the discharge. It can be concluded that the increase of the discharge space by the comb type electrode structure reduces the firing voltage and the internal physical characteristics of the AC PDP cell can be understood by measuring various electrical characteristics.
송아지 Adenosine Deaminase의 여러가지 성질에 Polyethylene Glycol의 공유적 결합이 미치는 효과
김동규,김은진,장태식 인제대학교 1990 仁濟論叢 Vol.6 No.1
Methoxypolyethylene glycol of 5,000 dalton were covalently atteched to calf adenosine deaminase using cyanuric chloride as the coupling agent. The modified enzyme demonstrates altered catalytic properties such as shifts ill the pH and temperature optima, an decrease in the Michaelis-Menten constant and lowered Vmax in comparison with the native enzyme. The electroporetic mobility of PEG-ADA is greatly decreased in comparison to the unmodified enzyme.
정동화,최은순,박상규 麗水水産大學校産業技術硏究所 1992 産業基術硏究所 論文集 Vol.1 No.-
Enhancement of performance of engine depends upon how perfectly combustion is effected, and air swirl is a factor contributing to this aim. In this paper, the variation of induction air swirl according to intake port shapes is studied by steady flow test. As a result of the steady flow test, using various shapes of intake port the following points are clarified. 1. Air swirl in actual engine cylinder can be fully estimated by steady flow test. 2. A valve position can have a substantial effect upon swirl. 3. The change of port inlet area has an effect on the variation of air swirl.