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RISS 인기검색어
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- 저자 : 이경철(Young-Kwon Jin) (검색결과 5 건)
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자궁경부 조직 진단을 기준으로 Surepath$^{TM}$ 액상세포검사와 고식적 직접도말 자궁경부 세포검사법의 비교
이경철,정찬권,정은선,최영진,박종섭,이교영,이아원,Lee, Kyung-Chul,Jung, Chan-Kwon,Jung, Eun-Sun,Choi, Yeong-Jin,Park, Jong-Sup,Lee, Kyo-Young,Lee, Ah-Won 대한세포병리학회 2007 대한세포병리학회지 Vol.18 No.1
This study was performed to compare Surepath$^{TM}$ liquid-based smear and a conventional cervicovaginal smear with reference to a histological diagnosis. A hybrid capture test (HCII) was also performed and analyzed. We collected matched cases for cervicovaginal cytology-histology: 207 cases for conventional cytology (CC) and 199 cases for liquid-based cytology (LBC). HCII was performed in 254 patients. When a cytological diagnosis of ASCUS or above (ASCUS+) is classified as positive and a histological diagnosis of LSIL+ is classified as positive, the sensitivity and specificity for LBC was 91.7% and 75.9%, respectively and the sensitivity and specificity for CC was 62.6% and 96.1%, respectively. When a cytological and histological diagnosis of LSIL+ is classified as positive, the sensitivity and specificity for LBC was 77.5 and 96.6%, respectively and the sensitivity and specificity for CC was 49.7% and 100%, respectively. When a histological diagnosis of LSIL+ is classified as positive, the sensitivity and specificity for HCII was 78.9% and 78.1%, respectively. The concordance ratio between the cytological and histological diagnosis was 80.4% (kappa=76.0) for LBC and 56.5% (kappa=55.1) for CC. LBC is more sensitive and less specific then CC, as a cytological cutoff level of ASCUS, but more sensitive and equally specific, as a cytological cutoff level LSIL or HSIL. LBC is more reliable with a high concordance ratio between the cytological and histological diagnosis.
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양현덕(Hyun-Deok Yang),정덕영(Duck-Young Jeong),이경철(Kyung-Cheol Lee),진영권(Young-Kwon Jin) 한국항공우주연구원 2007 항공우주기술 Vol.6 No.1
항공기용 복합재 구조물의 제작에 대한 품질관리는 자재의 입고에서부터 제품의 제작과정에 이르는 모든 단계에서의 검사, 시험 및 모니터링을 포함한다. 이러한 품질관리 활동은 설계의 목적에 적합하게 이루어졌는지 확인하기 위한 것이다. 품질에 영향을 미치는 인자들은 자재, 입고검사, 보관 및 시효관리, 작업환경의 관리, 시험, 검사 및 기록의 관리 등이 있다. 본 연구에서는 항공기 복합재 구조물에서 파괴시험을 통한 공정의 적합성 입증방법과 품질관리방법을 고찰하였으며 이를 바탕으로 복잡한 복합재 구조물에 대한 비파괴검사방법의 신뢰성을 확보하고 복합재의 설계요구조건을 확인할 수 있는 기법을 제시하였다. The quality control of composite structure includes inspection, testing and monitoring in all processes from receiving inspection to part fabrication. The purpose of these activities is to ensure that the design objectives are consistently achieved. The quality factors include material, receiving inspection, storage and shelf-life control, environmental control, testing, inspection and record control. This paper presents the process verification method using destructive test and quality control method in composite structure of aircraft. And it is believed that the destructive test will be basis to obtain a reliability of non-destructive test in complex composite structure and to ensure the design requirements in composite part.
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김유광(You-Gwang Kim),박근영(Guen-Young Park),이경철(Young-Kwon Jin) 한국항공우주연구원 2008 항공우주기술 Vol.7 No.1
민간항공분야의 품질은 제품 및 공공의 안전을 유지하기 위해서 매우 중요하며, 항공기 설계와 생산 및 운항에 있어서도 엄격한 인증제도를 법적으로 규정하고 있다. 본 연구에서는 미국 FAA의 항공산업체의 품질시스템 평가프로그램인 ACSEP의 전반적인 검토를 통하여 항공기 및 항공부품에 대한 품질시스템 요구조건을 제시하고, 항공분야품질시스템 평가에 대한 정책을 확인하였다. Quality for civil aviation is very important to maintain the safety of aircraft and public, and strict quality requirements are prescribed in aviation regulations to ensure that each article produced conforms to the type design and is a condition for safe operation. In this study, the quality system requirements for aircraft and parts will be reviewed a concept of FAA's ACSEP(Aircraft Certification System Evaluation Program) and policy for aviation quality system evaluation in comparison with AS9100 for aviation quality management system.
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