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임우조,황재호,김윤곤 釜山水産大學校 1994 釜山水産大學 硏究報告 Vol.34 No.1
In this study, the steel pipe piping water(SSPW) and SPPW on weldment were tested by using of a cavitation erosion - corrosion test appartus with nozzle(water tunnel type) and were investigated under the marine environment of liquid. The main results obtained were as follows 1) The corrosion - erosion of weldment is more susceptible than that of base metal. 2) The weight loss rate of heat affected zone of weldment can be largely improved by the preheat, dry of base metal and electrode before welding. 3) The electrode potential becomes noble by the pre-heat, dry of base metal and electrode before welding, and the corrosion current density is decreased.
오덕철,김선균,주왕기,조동현,김우호,윤경민 江原大學校附設體力硏究所 1976 江原大學校附設體育科學硏究所論文集 Vol.- No.1
The water quality of the Hong-Cheon river was investigated during the winter season. The rate of contamination of the low tide was a little more than the high tide. But all values of the analyzed-items were similar to those in the clear water.
( Uh Jin KIM ),( Seunghun LEE ),( Myung Ho JEONG ),( Ju Han KIM ),( HyukJin PARK ),( Ji Eun KIM ),( Youngkeun AHN ),( Jong Hyun KIM ),( Shung Chull CHAE ),( Young Jo KIM ),( Seung Ho HUR ),( In Whan S 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: The correlation between obesity and metabolic syndrome (MetS) remains unclear. This study aims to investigate impact of obesity phenotype on clinical outcomes with ST-segment elevation myocardial infarction (STEMI). Methods: We analyzed in-hospital mortality and major adverse cardiac events (MACE) of 2,606 obese patients who underwent primary percutaneous coronary intervention (PCI) in the Korea Acute Myocardial Infarction Registry from November 2005 to October 2010. Patients were divided into two groups: unhealthy (any of the Mets components) obesity (BMI =25 kg/m2) and healthy (none of the Mets components) obesity. Results: The unhealthy obesity group was composed of 703 patients (27%) and healthy obesity group 1,903 patients (73%). Unhealthy obesity was more frequent in female (25.9% vs. 10.1%, P<0.001) and multi-vessel disease (53.1% vs. 47.6%, P=0.012). There were no signifi cant differences in other baseline characteristics, angiographic and procedural fi ndings, and prescribed medications between two groups. The overall incidence of complications after PCI (13.1% vs. 10.7%, P=0.097) and in-hospital mortality (1.9% vs. 1.6%, P=0.521) were similar in unhealthy obesity group compared with healthy obesity group. By the multivariate Cox regression analyses, the presence of Mets in obese patients was not an independent factor for predicting the adjusted MACE rate at one-month (HR 1.19, 95% CI 0.56-2.54, P=0.645), six-month (HR 1.48, 95% CI 0.94-2.32, P=0.088), and twelve-month (HR 1.10, 95% CI 0.75-1.61, P=0.622). Conclusions: Obesity phenotype is not an independent prognostic factor for patients with STEMI who undergoing primary PCI. The risk stratifi cation by presence or absence of Mets is not useful in these patients.
Proposal on application plan of smart learning in museum
Uh, Yoon Ho(어윤호),Choi, Jung Won(최정원),Kim, Young Ju(김영주),Kim, Kyung Hoon(김경훈) 한국전시산업융합연구원 2014 한국과학예술융합학회 Vol.18 No.-
A pattern of exhibition in museum is changed from static exhibition to interactive one by reason of science technology. In particular, the popularity of smart device which is one of field of ICT(Information communication and technology) has became important composition for mutual communion between spectator and exhibition. Although definition of smart learning is diverse, characters in common are learner-centered education, optimization of academic achievement from cooperation learning. In this respect, we examined the necessity of smart learning in museum and analysed application examples. Also, we proposed improved prototype by research of applied exhibition samples in Gwacheon National Science Museum. At the present, level of research of smart learning device in museum is not reached to stable stage, the necessity of adopt is required to maximize smart learning device in order to fulfill effective learning achievement. In the future, it is required more active and vibrant research, is able to help smart learning with combination of museum"s education and smart device.