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Kim, Shin-Hyun,Park, Hyo Sung,Choi, Jae Hoon,Shim, Jae Won,Yang, Seung-Man WILEY-VCH Verlag 2010 Advanced materials Vol.22 No.9
<B>Graphic Abstract</B> <P>The cover shows a schematic illustration of patterned colloidal photonic crystals with different bandgap positions. When an unknown light source impinges on the patterned photonic crystals, the light information can be identified from the reflection intensity profile of the constituent photonic crystals. The two optical microscopy images and background image display integrated photonic crystals with 20 different bandgaps spanning the entire visible range, and the SEM image shows the cross-section of the photonic crystal stripes, as reported by Shin-Hyun Kim, Seung-Man Yang, and co-workers on p. 946. <img src='wiley_img_2010/09359648-2010-22-9-ADMA201090022-content.gif' alt='wiley_img_2010/09359648-2010-22-9-ADMA201090022-content'> </P>
신재철,김용우,이창원,김선훈 충남대학교 산업기술연구소 2002 산업기술연구논문집 Vol.17 No.1
The ordinary conforming solid axisymmetric elements have excessive flexural stiffness that stems from the fact that the elements adapt to flexure by deforming in shear deformation mode. In this paper, the behaviors of conforming isoparametric 8-node quadrilateral solid axisymmetric element are improved by adding nonconforming displacement mode and adapting selective reduced integration method.
지역사회 거주 저소득층 노인의 우울증상 유병률과 관련인자
신희영,이훈,신일선,김재민,김성완,양수진,윤진상 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.5
Objectives : This study aimed to investigate the prevalence and correlates of depressive symptoms in community-dwelling low income elderly. Methods : A community survey of 1,351 low income residents aged 65 or over was conducted in Buk district of Gwangju, Korea. Depressive symptom was evaluated by the Korean Form of the Geriatric Depression Scale (KGDS). Their Sociodemographic factors, the precence of chronic physical illness, and cognitive functions were investigated. Results : The prevalence rate of depressive symptoms was 69.8%. In multiple logistic regression, chronic physical illness (Odds Ratio : 2.68, 95% Confidence Interval : 1.98-3.63), low education (Odds Ratio : 1.84, 95% Confidence Interval : 1.39-2.43), and cognitive impairment (Odds Ratio : 1.61, 95% Confidence Interval : 1.20-2.16) were independently associated with depressive symptoms. Conclusion : Depressive symptoms in community-dwelling low income elderly were very common, particularly related to current chronic physical illnesses. The results of this study can be useful for the development of community-based prevention and management programs for depression. Of elderleg.
신재철,정원석,한성호,김선훈 忠南大學校 産業技術硏究所 2002 산업기술연구논문집 Vol.17 No.1
In this paper reliability analysis using stochastic finite element method is formulated, and with its result reliability analysis is accomplished. A displacement and member force of frame structure is acquired in SFEMP(Stochastic Finite Element Method Program) using perturbation method, and then DMCSP(Direct Monte Carlo Simulation Program) is used to verify and compare previous results. With the previous two results, approximate reliability analyses of the MFOSM(Mean First Order Second Moment), AFOSM(Advanced First Order Second Moment), and MCS(Monte Carlo Simulation) including a relatively simple limit state function have accomplished and base of a safety estimate could be acquired. Finally, When the reliability analysis of a complicated structure using stochastic finite element method is accomplished, time is efficiently reduced, and the safety of a structure can be easily evaluated. Hence SFEMP may be considered an efficient tool for evaluating the structural safety and reliability of frame structure.