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이영철,홍준표,이학주 대한금속재료학회(대한금속학회) 1988 대한금속·재료학회지 Vol.26 No.8
Solidification analysis of shaped castings and prediction of shrinkage cavity formation by the finite difference method were demonstrated with several examples. Several actual castings of aluminum alloy in sand mold wore experimented and the results were compared with those obtained by computer simulation. The two prediction parameters, temperature gradient and critical fraction solid for fluid flow, and an auxiliary parameter shrinkage potential, were adopted for predicting the formation of shrinkage cavity or porosity in aluminum alloy castings. It was found that a quantitative design of shaped castings can be made by the computer aided solidification analysis.
'캠벨얼리' 포도의 화수(花穗) 생장과 과실품질에 미치는 GA<sub>3</sub>의 영향
이영철,문병우,남기웅,문영지,Lee, Y.C.,Moon, B.W.,Nam, K.W.,Moon, Y.J. 국립한국농수산대학교 교육개발센터 2013 현장농업연구지 = Journal of practical agricultural resear Vol.15 No.1
This study has been conducted to investigate the effect of GA<sub>3</sub> solution dipping treatment after 1 days full bloom on spike growth and fruit quality at harvest of 'Campbell Early' grapevine. The fruit cluster growth(weight, length, width) and fruit stalk(diameter, length) at harvest were increased significantly by GA<sub>3</sub> 10 mg·L<sup>-1</sup> solution dipping treatment compared to control and another concentration. The berry growth (berry No, weight, length, diameter) at harvest showed no difference by treatment GA<sub>3</sub> concentration different. Spike weight was increased by GA<sub>3</sub> 5, 10, 20, mg·L<sup>-1</sup> treatment compared to control, but no difference GA<sub>3</sub> 40 mg·L<sup>-1</sup> treatment. The degree of compact berry, bloom, skin color and SSC at harvest by GA<sub>3</sub> solution dipping treatment were not significantly different from those of control. but increased seedlessness induction by GA<sub>3</sub> 10 mg·L<sup>-1</sup> treatment. The occurrence percent of berry cracking by GA<sub>3</sub> 5, 10, 20, 40 mg·L<sup>-1</sup> treatment significantly decreased. The bitter rot of berry harvest showed no difference by treatment GA<sub>3</sub> concentration different. Total spike length was increased by GA<sub>3</sub> 5, 10 mg·L<sup>-1</sup> treatment compared to control and GA<sub>3</sub> 20, 40 mg·L<sup>-1</sup> treatment. The spike length of 1st from 15th to position increased by GA<sub>3</sub> 10 mg·L<sup>-1</sup> treatment.
이영철,Lee, Yeong-Cheol 대한건축사협회 1996 建築士 Vol.1996 No.7
본지 6월호(통권 326)에 게재된 회원작품 '봉천동 아파트(설계:손기찬)'는 기존의 획일화된 공동주택 설계에서 탈피하여 새로운 시도를 한 작품으로 평가되고 있따. 이에 본지에서는 이 작품을 재조명해 보면서 우리네 공동주택문화의 문제점과 개선방향을 새롭게 모색해 보고자 한다.