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宋原基,黃勇 전북대학교 의과학연구소 1984 全北醫大論文集 Vol.8 No.1
An analytical reviews of the clinical records of 173 patients who had been adimitted to the department of general surgery of Jeon-bug national university hospital for 6 years from June. 1976 to June, 1982, was made to get the following results. 1) Of the 173 patients, 150 patients (86.7%) were benign disease and 23 patients (13.3%) were malignant patients. The average age was 49.8 years old. 2) To ratio of male and female was 1 to 1.4 in all patients, 1 to 1.3 in benign patients, and 1 to 1 in malignant patients. 3) The duration from the onset of the symptoms to admission was between 1 month to 1 year 12 24.3% by summer and autumn. 4) The duration from the onset of the symptoms to admission was between 1 month to 1 year in 24.3%, and over 10 years in 10.4%. 5) The most frequently presenting symptom was abdominal pain(85.5%), and jaundice(18.6%), fever and chillness (14.8%) were next in order. 6) Laboratory findings were elevation of alkaline phosphatase (67.6%), SGOT, and total bilirnbin on liver function test, and leukocytosis(56%) and anemia(22.5%) of CBC. 7) On chest and plain abdominal roentgenogram, elevation of right hemidiaphragon and pleural reaction were shown in 54.9% and paralytic ileus in 77.5%, respectively. 8) On oral cholecystogram and intra-venous cholangiogram, gallbladder was non-visualized in 36.9%, and stones in biliary tract in 26.2%. 9) The stones were located in the gallbladder(38,5%), common bile duct (33.7%), and both gallbladders and common bile duct (17.3%). 10) The number of stones was over 5 in 49.9% of calculous patients, and single in 23.1%. 11) The incidence of the associated disease was 13%. 12) The operative procedures were adopted according to the type of disease. 13) The indication for exploration of BCD were stones in CBS and its dilatation etc. 14) The post-operative complications were wound infection, sepsis, and pneumonia etc. 15) The post-operative mortality rate was 4%. The causes of death were sepsis, hemorrhagic shock, and renal failure.
Coincidence Effect를 고려한 하이브리드카 GFRP 플로어 충돌구조
송원기(Wonki Song) 한국자동차공학회 2017 한국자동차공학회 부문종합 학술대회 Vol.2017 No.5
Nowaday CFRP is high cost and bad performance transmission loss. A new point of view in weight-material composit is proposed by continuous GFRP, which is overcome transmission loss performance and durable rr crash test of hev vehicle (FMVSS301).
송원기(Wonki Song) 한국자동차공학회 2014 한국자동차공학회 부문종합 학술대회 Vol.2014 No.5
A new point of view in drain plug is proposed by open & closed mechanism, which is a new method based on defelecion of beam due to water weight. As a result of the application one way plug, prevent inflow emission & corrosion steel due to drain water.
대형 상용차량에 사용되는 판스프링의 이력특성 구현을 위한 모델링
문원기(Won Ki Moon),신유인(Yoo In Shin),김치형(Chi Hyoung Kim),송철기(Chul Ki Song) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Multi-leaf springs are widely used for a major suspension component in many heavy vehicles. The modeling technique of multi-leaf springs is one of the most difficult problems in suspension modeling as the elements have complicated nonlinear characteristics such as a hysteresis behavior due to the friction. In this paper, hysteresis characteristics with the static and dynamic test are modeled and are simulated with three links and joints in ADAMS. Simulation results showed good agreements with test results. Using this methodology, therefore, it is expected that dynamic characteristics of suspension system with multi-leaf spring can be more accurately evaluated in vehicle dynamics.