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김선홍(Kim Sun-Hong),조용석(Jo Yong-Seok),김동기(Kim Dong-Ki),박병은(Park Byung-Eun) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper is about the examination and selection of the special method applied to the railway tunnel which will lie under the road. Moreover, the road was constructed on the weak ground. Eventually, we select DSM, considering geological condition, stability during construction of the railway tunnel, and economic efficiency. The 3D-analysis, performed with PENTAGON-3D and MIDAS CIVIL-3D, shows that allowable standards are all satisfied. In the design of the railroad tunnel under the road at low depth, this paper will give useful data for the selection of the tunneling method.
김선홍(Sun-hong Kim),김동기(Dong-Ki Kim),남명식(Myong-sik Nam),조형제(Hyeong-je Jo),김종원(Jong-won Kim) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
Safety requirment or guidance have been developing for a long time in the UIC, Germany, France, and Japan etc. Also, In Korea, the Ministry Construction & Transportation make an progress about this issue, document, called "railroad tunnel safety standards 6th draft", was developed. In this paper, we"ll show standard of other country and compare with Korea draft. next, we"ll show some kind of railroad safety facility and installations and explain a relationship of safety issue and standards.
감염된 인공 슬관절 전치환술의 2단계 재치환술 (가압 멸균한 대퇴골 치환물 및 폴리에틸렌 삽입물을 이용한 방법)
김선홍 ( Sun Hong Kim ),한혁수 ( Hyuk Soo Han ),김도훈 ( Do Hoon Kim ),강승백 ( Seung Baik Kang ) 대한슬관절학회 2010 대한슬관절학회지 Vol.22 No.2
Purpose: We wanted to evaluate the results of treating infected total knee arthroplasty with an autoclaved femoral component and polyethylene liner. Materials and Methods: From March 2003 to March 2008, 25 knees were diagnosed as infected total knee arthroplasty (TKA) and they underwent two-stage re-implantation. These knees were treated with debridement, reinsertion of the removed femoral component and a polyethylene liner, which were autoclaved, and antibiotic cement was used as an articulating spacer during the interim period to allow maintenance of motion and function. The range of motion and the Hospital for Special Surgery (HSS) score, the Knee Society Knee Score and the Function Score were evaluated. Results: The mean follow up period was 52 months. There was one recurrence of infection. Prior to revision, the average range of motion was 83˚ and the average HSS score was 60 points. At final follow-up, the average range of motion was 110˚ and the average HSS score was 86 points. The knee score and function score showed an increase from a mean of 46 and 31 points preoperatively to a mean of 82 and 50 points postoperatively. The complications during reimplantation were one medial collateral ligament rupture, one lateral condyle fracture and one femoral distal metaphyseal fracture. Conclusion: The articulating spacer using an autoclaved femoral component and polyethylene can improve knee function and motion in two stage revision TKA.
김선홍(Sun Hong Kim),김근전(Geun Jeon Kim),신현일(Hyun Il Shin),선동일(Dong Il Sun) 대한두경부종양학회 2021 대한두경부 종양학회지 Vol.37 No.2
Lymphoepithelial carcinoma is an extremely rare malignant tumor, especially those localized at the head and neck region. The histological prototype of lymphoepithelial carcinoma is undifferentiated nasopharyngeal carcinoma. Herein, we report a case of a tumor localized in the left submandibular gland in a 20-year-old male. The tumor mass was surgically excised with the submandibular gland, and the specimen was pathologically confirmed to be lymphoepithelial carcinoma.
마이크로스트립 라인에서 유한요소법을 이용한 전도노이즈 흡수체의 성능해석
김선태(Sun-Tae Kim),김선홍(Sun Hong Kim),김성수(Sung-Soo Kim) 한국자기학회 2007 韓國磁氣學會誌 Vol.17 No.6
Conduction noise attenuation by composite sheets of high magnetic and dielectric loss has been analyzed by using electromagnetic field simulator which employs finite element method. The simulation model consists of microstrip line with planar input/output ports and noise absorbers (magnetic composite sheets containing iron flake particles as absorbent fillers). Reflection and transmission parameters (S₁₁ and S₂₁) and power loss are calculated as a function of frequency with variation of sheet size and thickness. The simulated value is in good agreement with measured one and it is demonstrated that the proposed simulation technique can be effectively used in the design and characterization of noise absorbing materials in the RF transmission lines.