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이원노 ( W. R. Lee ),김명식 ( M. S. Kim ),유건 ( G. Yu ),이중근 ( J. K. Lee ),최규완 ( K. W. Choi ) 대한내과학회 1972 대한내과학회지 Vol.15 No.1
Tabes dorsalis (progressive locomotor ataxia) is characterized pathologically by degenerative changes in the posterior roots, in the posterior funiculi of the spinal cord and in the brain stem, and clinically by lancinating pains, progressive ataxia, loss
이원열(W.Y. Lee),허성진(S.J. Huh),송재금(J.K. Song),손우정(W.J. Son),이완직(W.J. Lee),한기준(K.J. Han),석정봉(J.B. Suk) 한국정보과학회 1992 한국정보과학회 학술발표논문집 Vol.19 No.2
멀티미디어를 지원하는 고속 LAN 프로토콜의 속도에 상응하는 고속의 Logical Link Control 프로토콜이 필수적이며 이러한 고속 LLC 프로토콜은 멀티미디어의 고속 전송뿐만 아니라 고속 근간망 환경에서도 효율적인 연동 방법을 제공하여 준다[4]. 본 논문에서는, 이러한 고속 LLC의 개발을 위하여 IEEE 802.2 위원회에서 제안한 LLC Type 4 동작(Operation)의 연결 관리 성분을 구현 하였다.
[論文] 유리纖維 强化 플라스틱 切削에서의 工具磨滅特性
이원평(W.P.Lee),윤종학(J.K.Yoon),강명순(M.S.Kang) 한국자동차공학회 1987 오토저널 Vol.9 No.5
This paper is a study on the effect of the cutting speed on the tool wear in turning of the glass fiber reinforced plastics.<br/> The wear behavior of cutting tool is studied by means of turning, changing the cutting speed and feed in the wide range. Moreover, the theoretical model applicable to the cutting speed of wide range is analysed.<br/> The main results obtained are as follows:<br/> The relation between the tool wear and the cutting speed is divided into three range in case of the constant cutting distance.<br/> 1) At the low cutting speed, the tool wear is independent of the cutting speed, but dependent mainly on the contact length between tool and glass fiber (1st range).<br/> 2) At the high cutting speed, the tool wear is independent of the contact length, and dependent on the cutting speed only (2nd range). The tool wear increases in proportion to the cutting speed.<br/> 3) At the higher cutting speed than the speed in the 2nd range, the tool wear is independent both of the cutting speed and the contact length (3rd range).<br/> 4) In the 3rd range, tool flank wear is constant and is observed that only the wear of cutting edge increases.