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A NEXT GENERATION SODIUM-COOLED FAST REACTOR CONCEPT AND ITS R&D PROGRAM
Ichimiya, Masakazu,Mizuno, Tomoyasu,Kotake, Shoji Korean Nuclear Society 2007 Nuclear Engineering and Technology Vol.39 No.3
Critical issues in the development targets for the future fast reactor(FR) cycle system, including sodium-cooled FR were to ensure safety assurance, efficient utilization of resources, reduction of environmental burden, assurance of nuclear non-proliferation, and economic competitiveness. A promising design concept of sodium-cooled fast reactor JSFR is proposed aiming at fully satisfaction of the development targets for the next generation nuclear energy system. A roadmap toward JSFR commercialization is described, to be followed up in a new framework of the Fast reactor Cycle Technology development(FaCT) Project launched in 2006.
A NEXT GENERATION SODIUM-COOLED FAST REACTOR CONCEPT AND ITS R&D PROGRAM
MASAKAZU ICHIMIYA 한국원자력학회 2007 Nuclear Engineering and Technology Vol.39 No.3
Critical issues in the development targets for the future fast reactor (FR) cycle system, including sodium-cooled FR were to ensure safety assurance, efficient utilization of resources, reduction of environmental burden, assurance of nuclear non-proliferation, and economic competitiveness. A promising design concept of sodium-cooled fast reactor JSFR is proposed aiming at fully satisfaction of the development targets for the next generation nuclear energy system. A roadmap toward JSFR commercialization is described, to be followed up in a new framework of the Fast reactor Cycle Technology development (FaCT) Project launched in 2006.
Open Lead Detection Based on Logical Change Caused by AC Voltage Signal Stimulus
Akira Ono,Masahiro Ichimiya,Hiroyuki Yotsuyanagi,Masao Takagi,Masaki Hashizume 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
In this paper, we propose a new test method for detecting an open lead which occurs when an IC is mounted on a printed circuit board. In the method, an open lead is detected by observing output logical change of an open lead detector. Since the test method is a vectorless test one, test generation and test input application are not needed. Testability of the test method is examined by some experiments. The results show that open leads of SSIs and LSIs will be detected by the method.
The Influence of Diabetes Mellitus on Short-Term Outcomes of Patients with Bleeding Peptic Ulcers
Atsuhiko Murata,Shinya Matsuda,Kazuaki Kuwabara,Yukako Ichimiya,Yoshihisa Fujino,Tatsuhiko Kubo 연세대학교의과대학 2012 Yonsei medical journal Vol.53 No.4
Purpose: Little information is available on the influence of diabetes mellitus on the short-term clinical outcomes of patients with bleeding peptic ulcers. The aim of this study is to investigate whether diabetes mellitus influences the short-term clinical outcomes of patients with bleeding peptic ulcers using a Japanese national administrative database. Materials and Methods: A total of 4863 patients treated by endoscopic hemostasis on admission for bleeding peptic ulcers were referred to 586 participating hospitals in Japan. We collected their data to compare the risk-adjusted length of stay (LOS) and in-hospital mortality of patients with and without diabetes mellitus within 30 days. Patients were divided into two groups: patients with diabetes mellitus (n=434) and patients without diabetes mellitus (n=4429). Results: Mean LOS in patients with diabetes mellitus was significantly longer than those without diabetes mellitus (15.8 days vs. 12.5 days, p<0.001). Also, higher in-hospital mortality within 30 days was observed in patients with diabetes mellitus compared with those without diabetes mellitus (2.7% vs. 1.1%, p=0.004). Multiple linear regression analysis revealed that diabetes mellitus was significantly associated with an increase in risk-adjusted LOS. The standardized coefficient was 0.036 days (p=0.01). Furthermore, the analysis revealed that diabetes mellitus significantly increased the risk of in-hospital mortality within 30 days (odds ratio=2.285, 95% CI=1.161-4.497, p=0.017). Conclusion: This study demonstrated that presence of diabetes mellitus significantly influences the short-term clinical outcomes of patients with bleeding peptic ulcers.