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순서화 로짓모형을 이용한 농협의 선호도 분석: 충남지역 주민을 대상으로
우재영 ( Jae Young Woo ) 한국농촌지도학회 2009 농촌지도와 개발 Vol.16 No.2
This study aims to analyse the consumer and regional dwellers preferences of nonghyup influenced by contributions of socio-economical using ordered logit model. The survey data were obtained from 225 adults in Chungnam province, cross sectional data in 2007. This paper especially estimates the impact of socio-economic characteristics, such as sex, occupation, school career, and emotional and subjective recognition of contributions of regional socio-economical and culture development, social welfare, It also examines the impact of recognition of cooperational level with local government`s policy, customer satisfaction ratings, degree of business ethics. The main results are as follows; the consumer and regional dwellers preferences of nonghyup is not affected by sex, occupation, school career. But the consumer and regional dwellers preferences of nonghyup is influenced by emotional and subjective recognition of contributions of regional socio-economical and culture development, social welfare, It also influenced by emotional and subjective recognition of policy cooperation level with local government, customer satisfaction ratings, degree of business ethics.
우재영(Jae Young Woo) 한국농촌지도학회 2013 농촌지도와 개발 Vol.20 No.2
본 연구는 경제?사회적 요인이 여성의 생활만족도에 미치는 영향과 한계효과에 대하여 복지패널 3차자료를 활용하여 순서화로짓(Odered Logit)분석을 실행하였다. 이를 위해 사회적?경제적 요인들이 주요 독립변수로 채택되었으며 표준화 계수를 기준으로 주요 연구결과를 요약하면, 사회생활요인인 여가생활만족도, 사회적 친분관계만족도, 가족간 논의를 통한 문제해결, 긍정적 생활태도 등이 여성생활만족도 향상에 긍정적 영향을 미치는 것으로 나타났다. 그러나 경제적 요인인 주택유무, 가처분소득수준 등은 사회생활요인에 비교하여 적은 영향을 미치는 것으로 나타났다. 한편 가족간 불화, 저소득 가정 해당 등은 생활만족도에 부정적 영향을 주는 것으로 나타났다. 따라서 정부는 여성의 생활만족도를 향상시킬 수 있는 시설이나 프로그램 개선에 더 많은 정책적 관심을 가져야 할 것이다. This study aims to analyze affecting factors on life satisfaction level of the women and partial effects using Ordered Logit Model. For this purpose, socio-economic factors are selected as major independent factors. And the data used was from the third ‘Korea Welfare Panel Study’. Analysis shows that social life factors such as the satisfaction of leisure activities, social relationships, family member communication, and positive attitude to life had positive effects with the life satisfaction level of the women. However, economic factors such as home ownership, disposable income had a lower positive impact compared to social life factors. While, satisfaction level of women is negatively related with family member discordance, and classified low-income families. On the basis of these results, government should pay more attention to improve facilities and software that could meet women`s needs of social life satisfaction.
수리모형실험을 이용한 경사형 낙차공의 만곡부 흐름특성분석
박무종,우재영,이정호,송영석,Park,Moojong,Woo,Jaeyoung,Lee,Joungho,Song,Youngseok 한국방재학회 2013 한국방재학회논문집 Vol.13 No.3
Hydraulic Structure are inevitably set up and operated in the river that flow characteristics are complex. When designing the water surface elevation and velocity by using 1-D Hydraulic Model, it will not be able to reflect the characteristics of Lateral Eddy and Superelevation due to centrifugal force. This study compared with result of 1-D Hydraulic Model and Hydraulic Model Experiments, Through the model experiment of Sloping Drop Structure installed on Curved-Channel. Hydraulic Model was constructed to baekseok bridge and Shinchun Bridge about 210 m interval located in Uijeongbu, Gyeonggi-do. Result of Hydraulic Modeling observed data and 1-D Hydraulic Modeling date are compared to design flood 100 year and 20 year. Result of experiments are depth ovserved data 35~48% low then 1-D Hydraulic Modeling date and velocity ovserved data 135~167% large then 1-D Hydraulic Modeling date. Research reaults expect to basic information for Curved-Channel Characteristics on Sloping Drop Structure. 하천 내에 불가피하게 설치 운영되는 수공구조물은 흐름특성이 복잡하여 단순히 1차원 수리모델에 의한 유속이나 수위를 이용하여 설계하는 경우에는 원심력에 의한 횡방향 특성이나 편수위를 반영할 수 없다. 본 연구에서는 만곡부에 설치된 경사형 낙차공에 대한 수리모형 실험을 통해서 낙차공의 수리특성을 파악하고 이를 수치모형과 1차원 설계에 의한 결과와 비교하였다. 경기도 의정부에 위치한 백석천의 신천교-백천교 210 m 구간에 대한 모형을 제작하고 100년 빈도와 20년 빈도 홍수량에 대하여 수리모형의 관측값과 1차원 모델인 HEC-RAS에 의한 계산값을 비교분석하였다. 실험결과 경사형 낙차공 구간에서 수심 관측 값은 계산 값보다 35~48% 작았으며, 유속 관측 값은 계산 값보다 135~167% 빠른 유속으로 원심력에 의해 좌안보다 우안이 수심이 높고, 유속은 크게 나타났다. 이러한 연구결과는 만곡부 하천에 수공구조물을 설치하는 경우 수리특성을 파악할 수 있는 기초정보로 유용하게 활용될 것이며 좌우안의 편수위 및 유속의 분석을 2차원이나 3차원 모형과 추가적으로 비교한다면 보다 유효한 결과가 도출될 것으로 기대된다.
Laser 반사측정법을 이용한 상악전치부의 후방견인시 저항중심의 수직적 위치에 관한 실험적연구
우재영,박영철 대한치과교정학회 1993 대한치과교정학회지 Vol.23 No.3
The delivery of optimal orthodontic treatment is greatly influenced by a clinician's ability to predict and control tooth movement achieved by applying known force systems to the dentition. It is important to determine the location of the center of resistance of a tooth or group of teeth to better understand the nature of their displacement characteristics under the various force levels. The purpose of this study was to define the location of the centers of resistance of various units of the upper anterior segment for lingually directed 100gm and 200gm force in a dry human skull. The units investigated were composed of four incisors and six anterior teeth. In addition, the effect of change in force magnitude on the location of the center of resistance of these units was investigated. The laser reflection technique was used to measure the initial displacements of the consolidated teeth under loading. The results were as follows : 1. The instantaneous center of resistance for the four anterior teeth was located vertically between level 4 and level 5―that is, at 37.4% apical to the cementoenamel junction level. 2. The instantaneous center of resistance for the six anterior teeth was located vertically just beneath level 5―that is, at 50.3% apical to the cementoenamel junction level. 3. Increasing force levels had little effect on the location of the center of resistance of a given unit. 4. The location of the instantaneous center of resistance shifted apically as the number of dental units consolidated increased.
유영규,우재영,김태경 연세대학교 대학원 1993 延世論叢 Vol.29 No.1
The purpose of this study was to observe the changes of the third molars by orthopantomograms. The subjects were consisted of 55 cases in upper second molar extraction, 54 cases in lower molar extraction. The obtained results were as follows : 1. Initial long axis of 3rd molar is closely related to long axis of 3rd molar after eruption. 2. The favorable eruption of lower third molar appeared in both groups with pre-extraction angle under 24 and pre-extraction angle above 25.