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인터넷상 주민번호 이용을 대체하기 위한 아이핀 2.0 서비스 프레임워크
최광희(Kwang-Hee Choi),안종찬(Jong-Chan Ahn),이강신(Gang-Shin Lee),안승호(Seung-Ho Ahn) 한국정보보호학회 2010 情報保護學會誌 Vol.20 No.6
정부는 계속되는 대량 개인정보 침해사고로 인한 피해를 방지하고 인터넷상 무분별한 주민등록번호 사용을 최소화하기 위하여 2005년부터 아이핀을 개발하여 보급중이나 대부분의 웹사이트가 주민등록번호 기반으로 개발되어 아이핀 도입 및 활용이 미흡한 상황이다. 본 논문에서는 지금까지 아이핀 서비스가 활성화되지 못한 기술적 원인을 분석하고, 최근 편이성 대폭 개선된 아이핀 2.0의 주요 서비스와 향후 개선 방향을 소개함으로써 초창기 아이핀 서비스에 대한 오해를 개선하고자 한다.
오세두(Se-Doo Oh),안종찬(Jong-Chan Ahn),박순철(Soon-Cheol Park),정원욱(Won-Wook Jung),배동호(Dong-ho Bae),이영제(Young-Ze Lee) 한국트라이볼로지학회 2003 한국트라이볼로지학회 학술대회 Vol.37 No.-
In the present study, the residual stresses can have a significant on the life of structural engineering components. Residual stresses are created by the surface treatment such as shot peening or deep rolling. The objective of this experimental investigation is to study the influence of friction and wear characteristics due to residual stress under dry sliding condition. Friction and wear data were obtained with a specially designed tribometer. Test specimens were made of SUP9(leaf spring material) after they were created residual stress by shot peening treatment. Residual stress profiles were measured at surface by means of the X-ray diffraction. Sliding tests were carried out different contact pressure and same sliding velocity 0.035m/s(50rpm). Leaf spring assembly test used to strain gauge sticked on leaf spring specimen in order to measure interleaf friction of leaf spring. Therefore, we were obtained hysteresis curve. As the residual stresses of surfaces increased, coefficient of friction and wear volume are decreased, but the residual stresses of surfaces are high, and consequently wear volume do not decreased. Coefficient of friction obtained from leaf spring assembly test is lower than that obtained from sliding test. From the results, structural engineering components reduce coefficient of friction and resistant wear in order to have residual stresses themselves. Leaf spring;Shot peening;Residual stress;Interleaf friction force
Development of SNP Marker to Authenticate Different Species of Sea Buckthorn by Multiplex ARMS-PCR
Padmanaban Mohanan(모하난 파드마나반),Jong Chan Ahn(안종찬),Hong Tao Wang(왕홍도),Gokulanathan Anandapadmanaban(아난다파드마나반 고클라나탄),Hyun A Lee(이현아),Yu Jin Kim(김유진),Doek Chun Yang(양덕춘) 한국약용작물학회 2017 한국약용작물학회 학술대회논문집 Vol.2017 No.2