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메조포러스 알루미나를 이용한 AlN 분말 제조 및 특성분석
김은비,이윤주,신동근,권우택,김수룡,강미숙,김영희,Kim, Eun Bee,Lee, Yoon Joo,Shin, Dong Geun,Kwon, Woo Teck,Kim, Soo Ryong,Kang, Mi Sook,Kim, Young Hee 한국세라믹학회 2014 한국세라믹학회지 Vol.51 No.6
Aluminum nitride was synthesized using a carbothermal method from mesoporous alumina having a high surface area (> $1,000m^2/g$) as an aluminum source and CNTs (carbon nano tubes) as a carbon source. In this case the mesoporous alumina was used as the starting material instead of ${\alpha}-Al_2O_3$ with the expectation that the mesopores in mesoporous alumina act as channels for N2 gas and elimination of CO generated as by-product. It is also expected that the synthetic temperature should be lower compared to the use of ${\alpha}-Al_2O_3$ as a starting material due to its high surface area. The crystallinity of the produced aluminum nitride was studied by XRD and FT-IR, and the microstructure was investigated by FE-SEM. Also the purity of the aluminum nitride was analyzed through N/O determinator and ICP analysis.
슬랙스 원형에 따른 착의평가의 피복인간공학적 연구 : 제1보 Ⅰ
김혜경,문영애,이영숙,한은경,김미경,이윤주,박순지 한국의류학회 1997 한국의류학회지 Vol.21 No.2
The purpose of this study was to investigate the wearing condition according to different basic slacks' patterns and to provide fundamental data on structuring slacks' pattern using the multi-dimensional measuring method. 3 different kinds of basic slacks' patterns (A, B, C) were used and cross-sectional measurements of 6 parts were analysed. The results were as follows; 1) It revealed that the girth of waist, hip and thigh effected the degree of ease amounts. 2) Moire' pattern shape fully supported that the considerable body parts affected the change of ease amounts. 3) Basic pattern A was usually expected to be suitable for standard-sized or unmarried women who had not experienced body-type change. 4) Basic pattern B and C were suitable for large-sized or married women whose body-type had changed. Therefore the crotch length and depth, gredient of center back line has to be set up accurately.