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원전일차측 환경에서 오스테나이트계 스테인리스강의 환경피로특성
이현배,김호섭,김태순,장창희,Lee, Hyeon Bae,Kim, Ho-Sub,Kim, Taesoon,Jang, Changheui 한국압력기기공학회 2017 한국압력기기공학회 논문집 Vol.13 No.2
Austenitic Stainless Steels (ASSs) are widely used as structural materials in the pressurized water reactors (PWRs) because of their superior mechanical properties and corrosion resistance. However, it is well known that ASSs are susceptible to the environmental assisted cracking (EAC) such as environmental assisted fatigue (EAF) during the long term operation. There have been extensive tests and researches to understand the extent and the mechanisms of environmental effects. In this paper, the world-wide EAF test results of ASSs are introduced including those of Korean test programs. The suggested EAF mechanisms of ASSs are also discussed. Finally, the areas of further research to resolve the issue of EAF are suggested.
『사분율(四分律)』에 나타난 신이현상(神異現狀)에 관한 연구(硏究) - 바라제목차와 건도부를 중심으로 -
이현배 ( Lee Hyeon-bae ) 동아시아불교문화학회 2018 동아시아불교문화 Vol.0 No.33
『사분율四分律』에서 지계(持戒)를 통한 청정수행은 비구의 필수항목이며 자신의 생명을 비롯한 타인의 생명과 존엄성의 가치를 소중하게 다루고 있다. 『율장』속에 신이(神異)와 신통(神通) 현상이 보편적으로 나타나고 있으며 특히 신족통(神足通)은 공간을 초월하고 변화무쌍한 모습으로 다른 사람들을 두려움에 떨게 하기에 충분하였다. 수행의 목적에 따라 신통의 용처도 다르게 사용되는 것을 볼 수 있으며 불법수행자와 외도 수행자를 가리지 않고 고루 신통이 구족되어 있는 것을 알 수 있다. 신통의 용도가 가장 적절하게 사용된 것은 중생구제나 교화의 방편으로 사용되었을 때이고 그것을 자신의 이익이나 다른 사람을 해치기 위한 수단으로 사용된 것을 통해 신통의 부작용과 경계할 부분을 분명하게 알 수 있다. In the four division vinaya, it preciously considers the values and dignities of others' lives including my life as saying that the pure practice by observing practice is essential for Bhikkhu. The Vinaya Pitaka manifests that the miracles and superpowers are prevalent and especially the unimpeded bodily action transcends the space in diverse forms as making people afraid enough. We can see that all of the buddhist practitioners and non-buddhist practitioners complete the miracles that are used according to the purpose of practice. When the use of the miracle was for saving or educationally transforming sentient beings as an expedient, we can say that it was used for good. However if it is for own profits or means to harm other people, we can think that it has also the side and negative effects of the miracle.
이현배(Hyun-Bae Lee),김용기(Yong-Ki Kim),이건모(Kun-Mo Lee) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
A recent Tilting train development operation for existing line high speed, already developed "Korean Tilting Train eXpress(bellow TTX)" and that doing demonstration of operation. And TTX are going to commercial service in 2012. They are preparing Environmental Declaration of Product(bellow EDP) for offering environmental impact of TTX to customer. EDP calculated environmental impact of target product's whole life cycle(raw material and manufacturing, distribution, use, end of life) more quantity for that improving environmental impact and then certification them, it is using for that estimate some part of existence of specific pollutants, GHGs, energy consumption and recycling ratio. In this study, 1) analyze the process of getting EDP, 2) satisfy common criteria and each criteria(plan) in the Product Category Rules(bellow PCRs) provided KEITI, 3) according to ISO 14044, implementation of LCA. 4) These results be shown Characterized Impact(bellow CI) about each life cycle stage and six impact categories(ARD, GWP, OD, AD, EU, POC).