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工業敎育大學의 實驗實習施設 共同活用 및 運營에 關한 硏究
尹錫天,牟相榮,權五憲,千炳善,周赫鍾,李永臣,金健中,羅聲雄,洪錫雨,吳德成,盧泰天 충남대학교 공업교육연구소 1983 論文集 Vol.6 No.2(A)
The College of Engineering was specialized to have a sole function for supplying technical high school teachers in 1977 and referred to as the College of Industrial Education according to the Government's policy. The economic impact mainly due to the oil-crises caused a severe problem to this college, namely discrepancy of supply to demand scale. Accordingly the number of student enrollment was to be fluctuated from 479 in 1979 through 800 in 1979 and 900 in 1980 to 430 in 1981. And the engineering departments have been attached to this Engineering Education College since 1981. These circumstanses met singnificant inefficiency in facility operation. This program aims at providing an overall relocation of the college facilities and preparing the practical system to make the joint-operation possible taking into account circulation, academic stream, budget, maintenance, etc. However this study could not get optimal spacing but some trade-off, considering the current situation.
Inter-rater Agreement for the Clinical Dysphagia Scale
Se Woong Chun,Byung-Mo Oh,,Seung Ah Lee,정일영,Jaewon Beom,Tai Ryoon Han 대한재활의학회 2011 Annals of Rehabilitation Medicine Vol.35 No.4
Objective To investigate the inter-rater agreement for the clinical dysphagia scale (CDS). Method Sixty-seven subjects scheduled to participate in a video-fl uoroscopic swallowing study (VFSS) were preexamined by two raters independently within a 24-hour interval. Each item and the total score were compared between the raters. In addition, we investigated whether subtraction of items showing low agreement or modifi cation of rating methods could enhance inter-rater agreement without signifi cant compromise of validity. Results Inter-rater agreement was excellent for the total score (intraclass correlation coefficient (ICC): 0.886). Four items (lip sealing, chewing and mastication, laryngeal elevation, and reflex coughing) did not show excellent agreement (ICC: 0.696, 0.377, 0.446, and κ: 0.723, respectively). However, subtraction of each item either compromised validity, or did not improve agreement. When redefi ning ‘history of aspiration’ and ‘lesion location’ items, the inter-rater agreement (ICC: 0.912, 0.888, respectively) and correlation with new videofluoroscopic dysphagia score (PCC: 0.576, 0.577, respectively) were enhanced. The CDS showed better agreement and validity in stroke patients compared to non-stroke patients (ICC: 0.917 vs 0.835, PCC: 0.663 vs 0.414). Conclusion The clinical dysphagia scale is a reliable bedside swallowing test. We can improve inter-rater agreement and validity by refining the ‘history of aspiration’ and ‘lesion location’ item.
Jae Woong Kim,Beom Seon Jang,Yong Tai Kim,Kwang San Chun 대한조선학회 2013 International Journal of Naval Architecture and Oc Vol.5 No.3
The use of I-Core sandwich panel has increased in cruise ship deck structure since it can provide similar bending strength with conventional stiffened plate while keeping lighter weight and lower web height. However, due to its thin plate thickness, i.e. about 4~6 mm at most, it is assembled by high power CO2 laser welding to minimize the welding deformation. This research proposes a volumetric heat source model for T-joint of the I-Core sandwich panel and a method to use shell element model for a thermal elasto-plastic analysis to predict welding deformation. This paper, Part I, focuses on the heat source model. A circular cone type heat source model is newly suggested in heat transfer analysis to realize similar melting zone with that observed in experiment. An additional suggestion is made to consider negative defocus, which is commonly applied in T-joint laser welding since it can provide deeper penetration than zero defocus. The proposed heat source is also verified through 3D thermal elasto-plastic analysis to compare welding deformation with experimental results. A parametric study for different welding speeds, defocus values, and welding powers is performed to investigate the effect on the melting zone and welding deformation. In Part II, focuses on the proposed method to employ shell element model to predict welding deformation in thermal elasto-plastic analysis instead of solid element model.
Regional Spinal Cord Blood Flow on Cord Traction : An Experimental Cat Model
Jo, Tai Hoon,Baik, Min Woo,Kang, Sae ki,Kang, Joon Ki,Park, Chun Kun,Huh, Choon Woong,Song, Jin Un CATHOLIC MEDICAL CENTER 1983 Bulletin of the Clinical Research Institute Vol.11 No.1
The tethered syndrome is a clinical entity manifested by progressive motor and sensory changes in the legs, incontinence, back or leg pain and scoliosis. In order to elucidate the pathophysiology involved in the tethering effect of the cord, regional spinal cord blood flow (rSCBF) and somatosensory evoked potential (SEP) were measured in tethered cord animals. Studies in experimental tethered cord models indicate marked reduction of rSCBF, and suppressed SEP at the adjacent area of traction (L_1) L_1 under traction with greater weight (5 or 10 gm). It is assumed that prolonged and progressive neuronal dysfunction may lead to structural damage of neurons caused by impairment of blood flow. Untethering procedures in tethered cord may improve blood flow and probably facilitate the repair mechanism of injured neurons.
Kim, Jae Woong,Jang, Beom Seon,Kim, Yong Tai,Chun, Kwang San The Society of Naval Architects of Korea 2013 International Journal of Naval Architecture and Oc Vol.5 No.3
The use of I-Core sandwich panel has increased in cruise ship deck structure since it can provide similar bending strength with conventional stiffened plate while keeping lighter weight and lower web height. However, due to its thin plate thickness, i.e. about 4~6 mm at most, it is assembled by high power $CO_2$ laser welding to minimize the welding deformation. This research proposes a volumetric heat source model for T-joint of the I-Core sandwich panel and a method to use shell element model for a thermal elasto-plastic analysis to predict welding deformation. This paper, Part I, focuses on the heat source model. A circular cone type heat source model is newly suggested in heat transfer analysis to realize similar melting zone with that observed in experiment. An additional suggestion is made to consider negative defocus, which is commonly applied in T-joint laser welding since it can provide deeper penetration than zero defocus. The proposed heat source is also verified through 3D thermal elasto-plastic analysis to compare welding deformation with experimental results. A parametric study for different welding speeds, defocus values, and welding powers is performed to investigate the effect on the melting zone and welding deformation. In Part II, focuses on the proposed method to employ shell element model to predict welding deformation in thermal elasto-plastic analysis instead of solid element model.