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골 결손을 동반한 장관골의 감염성 불유합의 치료(동종골 이식술과 ILIZAROV 술식의 증례보고)
양성범,조덕연,장광 대한골절학회 1992 대한골절학회지 Vol.5 No.2
Infected large defect of the long bone have had many obstacles in treatment. It is usually very difficult to obtain union and to correct coexisting infection, deformity, k leg length discrepancy. Allograft transplantation have been traditionally used to treat infected large defect of the long bone. And Ilizarov technique has recently gained popularity as a multifactorial approach to the management of infected large defect of the long bone. We performed allograft transplantation in 5 cases and Ilizarov technique in 6 cases with infected large defect of the long bone at National Medical Center from 1987 through 1991. The results were as follows; 1. In the five cases of allograft transplantation, the average size of the bone defect was 9.6cm (range from 6cm to 3cm) and the average length of leg length discrepancy was 2.4cm (range from Ocm to 4cm). 2. In the six cases of Ilizarov technique, the average size of the bone defect was 2.5cm (range from 0.5cm to 4.5cm) and the average length of leg length discrepancy was 3.7cm (range from Ocm to 7cm). 3. In the cases of allograft transplantation, the bone union was achieved in two cases. Two cases have been followed up for 19 and 26 months earh and they showed complete bone union in the proximal side of host-graft junction, but not complete union in the distal side. In one case, developed the osteolysis of the grafted bone due to the infection. After operation, the average length of leg length discrepancy was 1.4cm (range from 0cm to 2cm). 4. In the cases of Ilzarov technique, bone union was achieved in three cases. One case have been followed up for 15 months and showed incomplete bone union. In two cases, additional operation was performed due to the nonunion and the fracture between the junction of the proximal bone fragment and the transportated bone fragment in each. So we report our results of different two methods of treatment even if limited cases and experiences.
지각된 가치와 위험이 친환경농산물의 만족과 구매에 미치는 영향
양성범 한국유기농업학회 2015 韓國有機農業學會誌 Vol.23 No.4
The objective of this study is to estimate the relationship among perceived value, perceived risk, satisfaction, purchase intention for environmental-friendly agricultural products. For this, we separate consumer with two groups that one is the experienced, the other is the not-experienced. Four factors is respectively adopted in perceived value and risk with exploratory and confirmatory factor analysis. The results of this study show that emphasizing the value of environmental-friendly agricultural products is important to the not-experienced. And to decease the risk is more effective to the experienced for activating market.
양성범,이병훈,양승룡,Yang, Sung-Bum,Lee, Byeong-Hun,Yang, Seung-Ryong 한국유기농업학회 2013 韓國有機農業學會誌 Vol.21 No.2
The objective of this study is to investigate the commercializations and difficulties on the farm-food. For the activation of the farm-food, it is necessary to totally review the support of the government and prepare the supporting system like manual on the commercialization of farm-food that is helpful to the small farmers. It is also necessary to support small farms strategies customized for increase the sales and satisfaction on farm-food and build-up the promotion related to the green tour and/or farm experience. The results and finding of this study can be used to build-up the supporting system that reflects the rapid change of market and customer's preference. They can also be used to design rational policies that is helpful to the farm-food producers.
학교급식에서의 친환경농산물 사용 확대를 위한 지불의사분석
양성범 한국유기농업학회 2018 韓國有機農業學會誌 Vol.26 No.4
The objective of this study is to analyze the factors increased use of environmentalfriendly agricultural product in school food service. For this, I surveyed the perceptions on environmental-friendly agricultural product and willingness-to-pay for increasing use to 500 parents of elementary, middle and high school. As a result, the perception of environment and safety is the highest, but health and consumption is the lowest. The average of willingness-to-pay is about 12,136 Won per month. But 14.2 percent of the total respondents said that they did not have a willingness-to-pay, and 62.6 percent said that they would pay an additional 10,000 won or less. The factors affecting the willingness-to-pay were gender, income, health and consumption factors. Despite the low level of parents’ perception of the health and consumption factors for environmental-friendly agricultural products, health and consumption factors affect statistically significant on the willingness-to-pay compared to others. Most of the promotion and education of environmental-friendly agricultural products has focused on safety, but this study suggests that education on the health and correct consumption of environmental-friendly agricultural products is important.
충남 지역 학부모의 학교급식지원센터를 통한 학교급식 만족도에 대한 연구
양성범,Yang, Sung-Bum 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.3
This study aims to investigate the satisfactions with school food service for elementary and middle school parents. We surveyed parents about their concerns regarding food materials, the perception of free school food service, improvement of free school food service and satisfaction with the quality of school food service. The regions were classified into two categories according to the operation of a school food service center. The respondents with greater concern and cooperative purchase of food materials had higher satisfaction with the quality of school food service. It is interesting to note that school food service centers managed directly by the local government had higher satisfaction than those operated by private enterprises with respect to the quality of the school food service. The results of this study can contribute to the establishment of school food service and school food service center policies in the future.