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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.
양성범 한국유기농업학회 2016 韓國有機農業學會誌 Vol.24 No.3
The objective of this study is to analyze the DEA efficiency of the environmentfriendly agricultural districts and zones. There are political inefficiency in districts and zones with 45.3% and 85.0%. It mainly results from scale efficiency than pure technical efficiency. There are 10 efficient zones, while 34 decreasing return to scale ones. Meanwhile, districts mostly have increasing return to scale with 97.9%. The results of this study is meaningful to re-construct the project based on the environment-friendly agricultural production.
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.
광역친환경농업단지 조성사업의 성과 및 생산자 인식 분석
양성범,김호,Yang, Sung-Bum,Kim, Ho 한국유기농업학회 2015 韓國有機農業學會誌 Vol.23 No.1
The objective of this study is to analyze the performance and farmer's awareness on the large-scale environment-friendly agricultural districts (LEAD). For this, we survey 393 farmers who cultivate in the 14 LEAD. Most of farmers aware a necessity of LEAD project. They have a higher awareness and practical use on the 'production facilities and equipments for environment-friendly agricultural materials' and 'resource recovery center of crop-animal farming'. The spread and consciousness on the environment-friendly agriculture increase before LEAD project. Also the environment-friendly agricultural areas and incomes slightly increase. The results of this study show that the LEAD project need a modification in to response to change of agricultural issues and customer's needs.