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이공훈,함주현,최종인 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.4
This study purpose for figuring out the influence on household life satisfaction of Golf participation of Married women. The target of this study is 350 married women who participate in playing golf, The survey tool was inspection sheet, The autonomous variable is social population(ages, incomes, school career) and extent of Golf participation (participation career, frequency of weekly participation, daily playing hour) and suboridinate varibles was Household life satisfactions, The result was Household life satisfactions. The result was followed by arranging the data. The date was collected by using spess 10.0 setting up technical statistics and one way-ANOVA. The result follows ; like these: First, There wasn't any difference between the ages of married women and Household life satisfaction(p>.05). Second, The household life satisfaction depended on their ducational careers(p<.001). Third, The household life satisfaction depended on their incomes(p<.001). Forth, The household life satisfaction depended on their golf participation careers(p<.05). Fifth, The household life satisfaction depended on the extent of weekly using golf field(p<.001). Sixth, The household Life satisfaction depended on ther daily hours at golf field(p<.05). From these results we concluded that the household life satisfaction was higher when their school careers incomes and intensity of participations.
최진호,이주성,공성호,김영채,배성렬 한양대학교 에너지·환경기술연구소 1997 에너지·環境技術論文集 Vol.3 No.-
세계적으로도 '92년 리우 환경회담 이후 점차적으로 환경에 대한 규제가 엄격해지고 있고, 선진국에서는 recycling과 연계되어 모든 분야의 과학발전이 이루어지고 있다. 더구나 최근 EC의 유럽회의에서 가까운 시기에 역내에서 사용되는 포장용기의 90%이상을 재생사용토록 의무화하는 새로운 리사이클링 규정안을 통과시켰으며 국내에서도 쓰레기 종량제가 전국적으로 실시되어 폐플라스틱의 수거, 처리 방안이 문제시 되고 있다. 이러한 상황에서 적절한 대비책으로 폐플라스틱의 수급현황, 자원화전망 그리고 개발중인 여러 가지의 처리 방안을 제시하였다. 그리고 지금까지는 아무리 우수한 기술이 있어도 경제성이 없으면 상업화가 이루어지지 않았으나, 향후의 리사이클 방향은 조금씩 바뀔 것으로 생각되며 이는 우선 플라스틱의 발생 및 사용량의 절약에서 시작하여 재생이용을 추진하고 최종적으로 소각에 의한 열이용의 순서로 이루어져야 할 것이다.
김용수,이주성,김영채,공성호,배성렬 한양대학교 에너지·환경기술연구소 1997 에너지·環境技術論文集 Vol.3 No.-
자동차 산업의 부산물로 발생되는 각종 폐고무류와 폐타이어 그리고 일반 제화공업이나 공산품의 제조공정에서 필연적으로 발생되는 합성 천연고무 폐기물은 국내에서만도 년간 16만톤이 발생되는 것으로 추정되고 있어 이로 인한 환경 및 사회적인 문제가 이미 심각한 상황에 도달해 있는 실정이다. 이러한 상황은 자동차 산업의 선진국인 미국의 경우에서 뿐만아니라 국토가 비좁은 구주의 경우도 폐타이어등 폐고무류에 의한 문제가 사회적으로 점차 심각하게 대두되고 있어 이의 처리에 대한 당위성은 이미 오래전부터 제기되어 왔다. 따라서 국내에서만도 년간 1200만개 이상 발생되는 폐타이어로 인한 환경문제를 해결하고 아울러 이를 에너지로 또는 유용한 자원으로 재환원하여 사용함으로써 국가에 크게 이바지할 수 있는 기술에 대한 실용화 연구는 꼭 필요하다.
최용식,이공주 成均館大學校 科學技術硏究所 1987 論文集 Vol.38 No.1
K analysis for the crack emanating from a circular hole very important, because the hole behaves as a major stress concentrator. in recent years, the finite element K analysis has been largely used to solve many problems in fracture to which is difficult to apply some numerical method such as boundary collocation method for the complicate-geometry of structures and various loading conditions. In this research, the value of stress intensity factor K_I for the crack emanating from a circular hole in the finite plate subjected to uniaxial tension is obtained by using MSC/NASTRAN, general purpose program. The solution to be obtained by this method was compared with Newman's Collocation solution and the accuracy was under 10%, also the usefulness and limit of this method were discussed.
Kong, Hyun-Gi,Lee, Hyoung-Ju,Bae, Ju-Young,Kim, Nam-Hee,Moon, Byung-Ju,Lee, Seon-Woo The Korean Society of Plant Pathology 2010 Plant Pathology Journal Vol.26 No.3
Spatial and temporal distribution of Bacillus licheniformis N1 was investigated over time on the leaves, petioles and crowns of the strawberry plants. Bacterial population on the strawberry plants was quantified over time by selective plating. Bacterial population of N1 containing a plasmid pWH43G carrying green fluorescent protein (GFP) declined relatively faster on the plant surface as compared to the Strain N1 itself. However, this result was found to be enough to utilize the strain to visualize bacterial colonization on the plant surface. When B. licheniformis N1 was treated together with Silwet L-77 at 0.03%, the bacterial population on plant surface persisted for up to 7 days. B. licheniformis N1 (pWH43G) containing Silwet L-77 was applied on the strawberry plants and the GFP expressing bacteria were visualized by confocal laser scanning microscopy. Bacterial persistence was also investigated in a growth chamber and in a plastic house after N1 bioformulation treatment on the strawberry plant. The Strain N1 colonized three different tissues well and persisted over 3 to 5 days on the strawberry plants. They formed bacterial aggregates on plant surfaces for at least 3 days, resulting in a biofilm to resist fluctuating plant surface environment. However, the bacterial persistence dramatically declined after 7 days in all tested tissues in a plastic house. This study suggest that B. licheniformis N1 colonizes the strawberry plant surface and persists for a long time in a controlled growth chamber, while it can not persist over 7 days on the plant surface in a plastic house.
Lee, Cheon-An,Jin, Sung-Hun,Kwon, Hyuck-In,Cho, Il-Whan,Kong, Ji-Hye,Lee, Chang-Ju,Lee, Myung-Won,Kyung, Jae-Woo,Lee, Jong-Duk,Park, Byung-Gook The Korean Infomation Display Society 2004 Journal of information display Vol.5 No.1
A high voltage NMOSFET is proposed to drive top emission organic light emitting device (OLED) used in the organic electroluminescent (EL) display on the single crystal silicon substrate. The high voltage NMOSFET can be fabricated by utilizing a simple layout technique with a standard CMOS logic process. It is clearly shown that the maximum supply voltage ($V_{DD}$) required for the pixel-driving transistor could reach 45 V through analytic and experimental methods. The high voltage NMOSFET was fabricated by using a standard 1.5 ${\mu}m$, 5 V CMOS logic process. From the measurements, we confirmed that the high voltage NMOSFET could sustain the excellent saturation characteristic up to 50 V without breakdown phenomena.
Inclusion-Induced Bilayer Deformation:An Effect of Surface Tension
Kong-Ju-Bock Lee,Tran Cong Phong 한국물리학회 2003 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.43 No.51
Hydrophobic interactions between an inclusion, such as a protein, and a lipid bilayer play an important role in conformational changes of the inclusion and the bilayer. We analyze a deformation energy related to a hydrophobic mismatch by using a continuum theory in which compression, tension, and bending energies are considered. Dierently from previous works in which the eect of surface tension was usually neglected, we concentrate on the eect of the tension on the membrane deformation. We solve the Euler-Lagrange equation of a local deformation prole by using modied boundary conditions and a nite-dierence approximation. With well-known information for three kinds of lipid bilayers, we numerically calculate the deformation energies with and without the surface tension. We nd that the contribution of the surface tension to the deformation energy cannot always be neglected, implying a strong dependence on the lipid composition. The surface tension plays a negligible role in the dimyristoyl phosphatidylcholine (DMPC) bilayer; however, it does not in the glycerolmonooleate(GMO) bilayer which has a longer hydrophobic length and relatively weaker compression and bending rigidities than the DMPC bilayer.