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좌좌목상화 ( Sasaki Michitaka ),김광수 ( Kwang So ),이유 ( Yu Yi ) 한국산학경영학회 2008 산학경영연구 Vol.21 No.2
최근 미국발 서브프라임 문제로 세계 각국의 경제가 공황이라고 불릴 정도로 악화되어가고 있다. 특히, 한국은 몇 년 전부터 일본의 "잃어버린 10년"과 빗대어 이야기 되어졌다. 본고에서는 일본의 경우 어떤 원인과 당시의 상황을 알아보고 한국의 경우 어떤 차이와 유사점이 있는지를 살펴본 후, 일본의 사례를 통해 한국이 취할 교훈을 알아보려고 하였다. As we know, since Japan`s robust economy-which lasted from the mid-1980s to early 1990s (the so-called Bubble Economy)-collapsed in 1991, the country has been enduring a prolonged stagnation period. and experiencing a long wave of economic, financial and political reform. People negatively refer to this period as "the Lost 10 years," suggesting the decade has been spent in vain, with Japanhaving done nothing constructive for its future. On the contrary, many Korean used to say "the Lost 10 years," We review the background and situation of Japan`s and Korea`s. Then, Korea have to remember what`s the reason in Japan.
Nonlinear analysis on concrete-filled rectangular tubular composite columns
Lu, Xilin,Yu, Yong,Kiyoshi, Tanaka,Satoshi, Sasaki Techno-Press 2000 Structural Engineering and Mechanics, An Int'l Jou Vol.10 No.6
A 3D nonlinear finite element computation model is presented in order to analyze the concrete filled rectangular tubular (CFRT) composite structures. The concrete material model is based on a hypo-elastic orthotropic approach while the elasto-plastic hardening model is employed for steel element. The comparisons between experimental and analytical results show that the proposed model is a relatively simple and effective one. The analytical results show that the capacity of inner concrete of CFRT column mainly depends on the two diagonal zones, and the confining effect of CFRT section is mainly concentrated on the corner zones. At the ultimate state, the side concrete along the section cracks seriously, and the corner concrete softens with the increase of compressive strains until failure.
Experimental study on the seismic behavior in the connection between CFRT column and steel beam
Lu, Xilin,Yu, Yong,Kiyoshi, Tanaka,Satoshi, Sasaki Techno-Press 2000 Structural Engineering and Mechanics, An Int'l Jou Vol.9 No.4
The structural behavior of connections between concrete-filled rectangular tubular column (CFRT column) and steel beam has been studied in this paper through sub-assemblage loading tests. It is found that the sub-assemblages exhibit ductile restoring force characteristics under seismic loading. A formula for the prediction of the yield strength of each member in the connection is proposed by using the yield line theory under the assumption of a simple stress transfer mechanism. It is shown that the proposed formula can produce a reasonable prediction while providing a basis for further investigation.
Real-time Measurement of Multi-point Strain by Fiber Bragg Gratings using Optical Frequency Sweeping
Yukitaka Shinoda,Yu Sasaki,Kenichi Nagai,Izumi Ogura,Takashi Higo 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
This paper is described how FBG and OFDR can be combined to cover a greater number of locations by using FBGs with identical characteristics in combination with FBGs with different reflection wavelengths. We report on our basic experiments on multi-point strain measurements with a real-time measurement system. It is shown that this system can determine the reflection wavelengths from multiple FBGs with the same reflection wavelength simultaneously every 4 seconds.
Takahashi, Keitaro,Ueno, Nobuhiro,Sasaki, Takahiro,Kobayashi, Yu,Sugiyama, Yuya,Murakami, Yuki,Kunogi, Takehito,Ando, Katsuyoshi,Kashima, Shin,Moriichi, Kentaro,Tanabe, Hiroki,Kamikokura, Yuki,Yuzawa, The Korean Gastric Cancer Association 2021 Journal of gastric cancer Vol.21 No.1
Gastric adenocarcinoma of the fundic gland mucosa type (GA-FGM) was proposed as a new variant of gastric adenocarcinoma of the fundic gland type (GA-FG). However, at present, the influence of Helicobacter pylori and the speed of progression and degree of malignancy in GA-FGM remain unclear. Herein, we report the first case of intramucosal GA-FGM that was endoscopically observed before and after H. pylori eradication over 15 years. The lesion showed the same tumor size with no submucosal invasion and a low MIB-1 labeling index 15 years after its detection using endoscopy. The endoscopic morphology changed from 0-IIa before H. pylori eradication to 0-IIa+IIc and then 0-I after H. pylori eradication. These findings suggest that the unaltered tumor size reflects low-grade malignancy and slow growth, and that the endoscopic morphology is influenced by H. pylori eradication.
근거 중심 Kampo medicine 임상진료지침의 현황
사사키 유이,황정운,김경한,박유리,심호종,박동선,전윤정,김지환,장보형,신용철,고성규,Sasaki, Yui,Huang, Ching Wen,Kim, Kyeong Han,Park, Yu Lee,Shim, Ho Jong,Park, Dong Sun,Jeon, Yoon Jeong,Kim, Ji-Hwan,Jang, Bo-Hyoung,Shin, Yong-Cheol,Ko, 대한예방한의학회 2016 대한예방한의학회지 Vol.20 No.1
Objectives : In 2007, a survey of how Kampo was regarded in Japanese clinical practice guidelines (CPGs) was first conducted by the Special Committee for Evidence Based Medicine (EBM), namely the Japan Society for Oriental Medicine (JSOM). A manual for CPG development was also published in 2007 by the Japan Council for Quality Health Care, and the revised edition came out in 2014. The purpose this study is to review the current state in CPGs applied to Kampo after 2007, while focusing on how Kampo products being regarded evidence based branch of medicine by CPG developers. Methods : Sources include the Kampo CPGs website of Japan Society for Oriental Medicine (JSOM) and MINDS (Medical Information Network Distribution Service) website of Japan Council for Quality Health Care. Results : Among the 784 CPGs existing by the end of 2015, 91 CPGs were considered containing descriptions of Kampo. Furthermore, 28 type A Kampo CPG (KCPG) which had quality of evidence and strength of recommendation with references were found. Also, most of type A KCPGs relied on the MINDS Handbook for Clinical Practice Guideline Development that was published in 2007. Conclusions : The number of KCPGs are increasing yearly. However, there is still not much Kampo evidence found in CPGs in Japan. Overall, it could be said that we need to not only make evidence vertically but preach it horizontally well.