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Juxtacortical Chondrosarcoma : 증례보고 Report of A case
최경식 최신의학사 1971 最新醫學 Vol.14 No.11
A case of more unusual juxtacortical chondrosarcoma involving the shaft of ulna is presented with a brief review of the literature. The Juxtacortical chondrosarcoma was first descriebed by Llchtenstein in 1955. Since that time, about 20 cases has been reported.
최경식 韓國海洋大學校 附設 海洋科學技術硏究所 1995 硏究論文集 Vol.4 No.-
Regarding the development of offshore natural gas field near Sakhalin Island which is an ice-infested area, this study aims to estimate the dynamic ice load for construction of offshore structures operating in this region. In this paper the design ice load and dynamic responses of a slender Arctic structure upon continuous ice movement are studied. Crushing after a certain elastic deformation is assumed as a primary failure mechanism at the contact zone between semi-infinite level ice edge and the face of structure. Dynamic interaction forces are calculated using a modified Korzhavin's equation and a two-dimensional ice-structure interaction model is adopted. To verify the numerical model, dynamic analysis is performed for one of the Baltic Sea channel markers whose response patterns were previously observed.
열처리 조건이 PET Filament의 물성에 미치는 영향
崔景植 慶一大學校 1999 論文集 Vol.16 No.2
By using ceramic heater, a sample of drawn poly(ethylene terephthalate)(PET) filaments were subjected to different conditions of annealing, i.e, different annealing temperatures and annealing tensions. As annealing tensions. As annealing temperature and annealing tension is increased, tenacity of annealed sample is increased, but elongation at break is decreased.