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이철형,문명상,최원태,이정웅,선두훈,김의순,최보열 대한골절학회 2001 대한골절학회지 Vol.14 No.2
Purpose : To evaluate the results of operative treatment for tibial condyle fracture of the proximal tibia. Material and Methods: From March 1995 to June 1999, 15 patients with more than one year follow-up periods were treated by operative method at Sun General Hospital. 10 of them were treated by open reduction and internal fixation(plate & screw for 8, screw & K-wire for 2) and 5 of them by closed reduction and Ilizarov fixation. Preoperative prognostic factors were considered as the fracture type of Schatzker classification, associated injury, and closed or open fracture. Functional outcome was evaluated results by Blokker`s criteria. Results: According to Schatzker classification, type III were 4 cases, type IV were 6 cases, and type V were 5 cases. At last follow up, average range of motion was 115° (Internal fixation was 110°, External fixation was 130°) The results was according to Blokker`s criteria, 11 cases(73%) had satisfactory acceptable results, among 4 cases(27%) of non-acceptable criteria. Conclusion: For treatment of tibia condyle complicated communited fracture, we are able to consider that rigid internal fixation with anatomical reduction and external fixation for early range of motion.
초고층 건축물 연결송수관 설비의 효과적 활용에 관한 실험 연구
김응진,김흥열,김학중,Kim,Eung-Jin,Kim,Hyung-Yel,Kim,Hak-Joong 한국방재학회 2013 한국방재학회논문집 Vol.13 No.6
최근 해외뿐만 아니라 국내에서도 건축물이 초고층화 되고 있으며 다양한 복합건물의 건축이 진행되고 있다. 초고층 건축물은 물리적 특성상 공간의 수직적 분포로 인하여 화재발생 시 화재확산의 위험이 크고 이에 따른 소방 활동상에 어려움을 동반하게 된다. 연결송수관 설비에서 정전되거나 펌프고장이 발생한 다면 소방차로부터 급수된 소화용수는 정지된 펌프의 임펠러를 통과하는데 장애가 발생 수 있을 것으로 예상된다. 본 연구에서는 소화활동설비 중 연결송수관설비를 화재 시 소방대원이 효과적으로 활용하기 위하여 실험을 통하여 기존 연결송수관시스템의 문제점을 확인하고 개선사항을 제안하였다. 실험 결과 중간가압펌프를 통과한 경우와 바이패스배관을 통과한 경우 유량 및 방사압력에 현격한 차이가 발생함을 확인하였고, 이러한 결과를 토대로 중간가압펌프 정지 시를 대비하여 중간가압펌프 토출측에 직접 연결되는 바이패스 배관을 추가로 설치하여야함을 제안하였다. Recently, the building has been higher and more complicated. High-rise buildings are more dangerous when fire occurs because of fast fire spreading through vertical space. This makes difficulty for fire fighter`s moving when they suppress fire. The pump impeller will be obstacle when fire water is supplied from fire department connection, if the power is failure or the pump is breakdown. This study identifies the defect of fire department connection system and compensates that. It is verified the difference of flow rate and pressure in the case through pump impeller and in the case through bypass piping by test. Based on the result of this study, it suggest that the installation of bypass piping at the discharge side of pressurization pump have to be prepared in case of pressurization pump stopping.
다중 트랜스퓨터상의 확률적추론에 의한 필기체 숫자 인식 시스템
김상균,김항준,이종국,이형렬 경북대학교 전자기술연구소 1993 電子技術硏究誌 Vol.14 No.1
In order that off-line handwritten digit recognition system may be put to practical use, recognition speed as well as recognition rate must be considered. In this paper, we proposed an algorithm for off-line handwritten digit recognition an the basis of probabilistic reasoning and implemented it on Multitransputer in parallel. The whole processing scheme includes, thinning, future extration, unique information extraction and recognition We construct star-networked processors and allocate four processors for each processing task for parallel processing. In our experiment, recognition rate of 92% was obtained and recognition speed for each digit was 4695x64μsec and 1542x64 μsec in sequential processing and parallel processing, respectively.
한국인 정신분열병 환자의 안구추적운동 이상과 COMT 유전자의 Val108/158Met 다형성의 연합 연구
장호준,문현일,이연정,김임렬,이인상,서한길,김기훈,신태민,박병래,신형두,한선호,한상우,우성일,Jang, Ho Joon,Moon, Hyun-Il,Lee, Yeon Jung,Kim, Im-Yel,Lee, In-Sang,Seo, Han-Gil,Kim, Ki-Hoon,Shin, Tae-Min,Park, Byung-Lae,Shin, Hyung Doo,Han, Sun 대한생물정신의학회 2008 생물정신의학 Vol.15 No.4
Objectives : We investigated the association of Val108/158Met polymorphism on catechol-O-methyl transferase(COMT) gene with smooth pursuit eye movement(SPEM) abnormality in Korean schizophrenia patients. Methods : We measured SPEM in 217 Korean schizophrenia patients(male 116, female 101) and divided them into two groups, one was a good SPEM function group and the other was a poor SPEM function group. Then we analyzed Val108/158Met polymorphism on COMT gene. We compared the differences of genotype and allele distributions of the polymorphism on COMT gene between the two groups. Results : The natural logarithm value of signal/noise ratio(Ln S/N ratio) of the good SPEM function group was $4.39{\pm}0.33$(mean${\pm}$s.d.) and that of poor SPEM function group was $3.17{\pm}0.71$. There were no statistically significant differences of age and male/female ratio between the two groups. There were no significant differences of genotype or allele distributions of the Val108/158Met polymorphism on COMT gene between the two schizophrenic groups. Conclusions : The results suggest that Val108/158Met polymorphism on COMT gene is not related to SPEM function abnormality in schizophrenia.