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이상순(S.S. Lee),서성삼(S.S. Seo),이승철(S.C. Lee),허윤(Y. Hur),정해영(H.Y. Jung) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.3
The computer program as a supplemental tool for a mechanics of materials course has been developed using visual C++. A unique feature of this computer program is that it is suitable for engineering students at the sophomore/junior level and for students who are totally new to the computer programing. Solutions to problems are given in both graphical and numerical forms. This program provides a learning environment where students can focus on understanding and solving various problems rather than typing cumbersome expressions and checking numerical errors.
N. megalosiphon에서 유래된 세포질적 웅성불임 향초의 특성
이승철,금완수,진정의,조명조,정윤화,이정덕,Lee, S.C.,Kum, W.S.,Jin, J.E.,Joh, M.J.,Jeong, Y.H.,Lee, J.D. The Korean Society of Tobacco Science 1982 한국연초학회지 Vol.4 No.1
Cytoplasmic male- sterile Hyangchio, derived from male- sterile Burley 21 containing N. megalosiphon cycloplasm, and male- fertile Hyangchio (Korean local aromatic variety) were evaluated in replicated pot trials in green-house. Male- sterile Hyangchio was comparable to the male- fertile Hyangchio for six agronomic traits and total alkaloids content. The only significant difference was that the male- sterile Hyangchio flowered 2.3 days later than the male- fertile Hyangchio. M ale- sterile Hyangchio has increased the yield than the male- fertile Hyangchio significantly in case of non- topped.