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이은호,Hyungyu Roh,Chi Woong Ra,Junsun Yoo,Sang-Jeong Lee,박노철 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.11
In this study, the sensitivity of the drop response according to changes in material properties was analyzed to determine the material properties that have a dominant influence on energy absorption performance. Parametric analyses were performed using a spent nuclear fuel (SNF) transport cask as an example, wherein the parameters were the material properties related to the stiffness of the steel (the elastic modulus, yield strength, and tangent modulus) that constitutes an impact limiter installed in the SNF transport cask. On the basis of the analysis results, the absorbed impact energy and transmitted energy were quantitatively calculated and the variations in the structural response were identified. In addition, changes in the structural safety of the SNF transport cask were investigated. The results of this study suggest that material properties must be considered to effectively design a structure that absorbs impact energy.
이은호,최선욱,김영철 ( Eun Ho Lee,Sun Wook Choi,Young Chol Kim ) 충북대학교 산업과학기술연구소 1996 산업과학기술연구 논문집 Vol.10 No.2
Abstract_Roman For the purpose of the good tracking to variable load demands of the thermal power plant, a decentralized multilevel control(DMC) scheme is presented. It is applied to the drum type boiler-turbine system which is simplified from Boryung T/
이환모(李煥模)의 『서전기의(書傳記疑)』에 보이는 해석의 다양성
이은호(LEE Eun Ho) 한림대학교 태동고전연구소 2021 泰東古典硏究 Vol.46 No.-
두실(斗室) 이환모(李煥模, 1735~1821)는 조선후기 영조, 정조, 순종 3대에 걸쳐 생존했으며, 충청남도 지역에 기거했던 처사(處士)였다. 『서전기의』는 이환모의 『서경』 독서기로서 그 속에는 경문의 해석, 주석의 동이(同異), 언해(諺解)의 독법 등에 관한 내용이 단편적으로 기록되어 있다. 특히 주자설과 채침설이 서로 어긋나는 부분에 대해서 언급한 부분이 많은데, 대부분 채침설을 비판하고 주자설을 지지하였지만, 일부 주자설의 과도함을 지적한 점은 주자의 해석을 무조건적으로 수용한 것이 아니었음을 잘 보여준다. 이는 18세기 조선문인들의 시야의 확장과 독해능력의 향상에서 비롯된 것인데, 기존의 『오경대전』뿐만 아니라 『주자어류』와 다양한 문집의 보급과 어류체(語類體)의 학습은 해석의 다양성을 열어주는 열쇠였다. 또한 관본 언해본의 언해와 주석의 불일치 혹은 독법의 오류 등을 지적한 점은 경해(經解)의 정확성은 물론 해석의 다양성을 추구하는 열린 학문의 자세를 견지한 것으로 평가된다. Dusil(斗室) Lee Hwanmo(李煥模, 1735~1821) was a scholar who lived in Chungcheongnam-do for the three generations of Yeongjo, Jeongjo, and Sunjong in the late Joseon Dynasty. He was an upright scholar who did not go to office. Seojeonkiyi(書傳記疑) is Lee Hwanmo s Shangshu Review. Seojeonkiyi is a fragmentary record of the interpretation of Shangshu, the same and different interpretations, and the way to read Eonhae(諺解, Korean annotation). In particular, there are many references to different parts of the Zhuxi(朱熹) s commentary and Caishen(蔡沈) s commentary. Most of them criticized Caishen s explanation and supported the Zhuxi s theory. However, Lee Hwan-mo also pointed out that Zhuxi s explanation was very excessive. Zhuxi s explanation was not unconditionally accepted. This resulted from the expansion of the vision of the 18th century Chosun scholars and the improvement of their reading comprehension ability. The dissemination and learning of various writings, such as Zhuzi-Yuilei was the key to opening the diversity of interpretation. He also pointed out the inconsistencies and errors between Eunhae and Caishen s commentary. He sought the accuracy and diversity of scripture interpretation. And he aimed for open science.
Hydrogen Peroxide로 유도된 산화성 간세포 손상에 대한 Propofol과 Etomidate의 효과
이은호 ( Eun Ho Lee ),신진우 ( Jin Woo Shin ),윤선경 ( Sun Kyung Yoon ),손효정 ( Hyo Jung Son ),이지연 ( Ji Yeon Lee ),구승우 ( Seung Woo Ku ),김종욱 ( Joung Uk Kim ),이유미 ( Yu Mi Lee ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.57 No.3
Background: The present investigation was undertaken to evaluate the protective effect of propofol and etomidate against hydrogen peroxide (H2O2) induced oxidative damage in human hepatic SNU761 cells by measuring lactate dehydrogenase (LDH). Methods: The cell line of human hepatocellular carcinoma was grown for 24 hours in dissociated cell culture. They were divided into eight groups: negative control (NC) group with no drug administration, positive control (PC) group with H2O2 250 μM and other groups pretreated with propofol (P; 1, 10, 50 μM) or etomidate (ET; 1, 10, 50 μM) followed H2O2 administration. After 7 hours, cell death was assessed by morphology under the light microscope and quantified by measuring the LDH in the culture media. Results: In the light microscopic findings, the intact cells were increased in all three propofol groups compared to group PC. H2O2-induced LDH production was also significantly suppressed in all three propofol groups compared to group PC (P<0.001). There were no significant differences in the microscopic findings and LDH production between the etomidate groups and group PC. Conclusions: These results suggest that the propofol has protective effect on the hepatocyte against H2O2-induced oxidative stress. (Korean J Anesthesiol 2009;57:331∼6)
이은호(Lee, Eun ho) 한림대학교 태동고전연구소 2018 泰東古典硏究 Vol.40 No.-
Chomok(趙穆)‘s 《Shangshuyiyi尙書疑義》 imitated the form of toegye’s 《seoseokyi書釋義》 and it added missing content in 《seoseokyi》. Especially, in 《Shangshuyiyi》 where the question about Caichen(蔡沈)’s explanation and his teacher’s 《seoseokyi》 is a very important part to understand the 《Shangshu尙 書》 of toege’s group. Lee deokhong(이덕홍) focused on the confucianism order centering on 《hongfan洪範》. His 《hongfanyuexingjiudao洪範月行九道》 shows the scientific approach to the universe and his concern about the relationship between the order of the universe and human virtue. In confucianism classic contradictory contradiction, he maintained a sincere academic attitude first of all to solve the skepticism of the scriptures in order to practice. chomok and leedeokhong inherited their teacher lee huang s shangshuxue directly. And they further developed leehuang s doctrine. 조목(趙穆)의 「상서의의(尙書疑義)」는 『서석의(書釋義)』의 형식을 그대로 준용하면서도 『서석의(書釋義)』와 중복되지 않게 내용을 부가하였는데, 특히 『서집전(書集傳)』의 채침주(蔡沈注)에 대한 의문뿐만 아니라 퇴계의『서석의』의 내용에 대해서 의문을 제기한 곳은 퇴계학파의 상서 설을 이해할 수 있는 중요한 지점이다. 이덕홍(李德弘)은 「홍범(洪範)」을 중심으로 하는 유가적 질서에 주목하였는데, 우주에 대한 과학적 접근이나, 우주의 질서와 인간의 덕행의 관계에 대한 고민은 그의 「홍범월행구도(洪範月行九道)」에 잘 나타나 있다. 경전 상호간의 모순을 고민하는 모습은 실천학문의 전제로서의 경전의 의구심을 먼저 해소하려는 진실한 학문적 태도를 견지하였다. 조목과 이덕홍은 스승인 퇴계 이황의 상서학을 직접 사승하면서 사설의 심화를 도모했다고 평가할 수 있다.