http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
유영승,이화중,김대영,유리,Yoo, Young-Seung,Lee, Hwa-Jung,Kim, Dae-Young,Yu, Ri 대한방사선치료학회 2007 대한방사선치료학회지 Vol.19 No.1
Purpose: The aim of this study was the clinical implementation of IGRT using KV CBCT for setup correction in radiation therapy. Materials and Methods: We selected 9 patients (3 patient for each region; head, body, pelvis)and acquired 135 CBCT images with CLINAC iX (Varian medical system, USA). During the scan, the required time was measured. We analyzed the result in 3 direction; vertical, longitudinal, lateral. Results: The mean setup errors at the couch position of vertical, lateral, and longitudinal direction were 0.07, 0.12, and 0.1 cm in the head region, 0.3, 0.26, and 0.22 cm in the body region, 0.21, 0.18, and 0.15 cm in the pelvis region respectively. The mean time required for CBCT was $6{\sim}7$ minute. Conclusion: The CBCT on the LINAC provides the capacity for soft tissue imaging in the treatment position and real time monitoring during treatment delivery. With presented workflow, the setup correction within reasonable time for more accurate radiation therapy is possible. And it's image can be very useful for adaptive radiation therapy(ART) in the future with improved image quality.
유영승(Youngseung Yu),이경돈(Kyoungdon Yi),김승학(Seunghak Kim),한상원(Sangwon Han) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The weight reduction of suspension components has been a major concern of auto makers to make high efficiency vehicles. Recently, a cored ductile iron casting has been used to achieve high strength lightweight suspension components. In this paper, development procedures of hollow steering knuckle by cored ductile iron casting are discussed. To meet market needs, an integrated approach to optimizing structural casting designs was developed. The developed hollow steering knuckle cal achieve a 5% weight reduction and high strength over a solid knuckle