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신유식,이윤환,서종수,전영흥,정효민,정한식 경상대학교 해양산업연구소 2002 해양산업연구소보 Vol.15 No.-
The purpose of this research is to obtain the characteristics of heat transfer or heat exchange under the vacuum pressure. The general heat transfer or heat exchange can be changed with the experimental environment. In this report, the exothermic calorie and endothermic calorie were measured under the vacuum chamber. These two kinds of calories show the evaporative and condensing sides, respectively, and these calories were measured by using the parameter with flow rate.
이길영,지윤식,한천규 대전대학교 산업기술연구소 2000 산업기술연구소 論文集 Vol.11 No.1
In this study, we discussed littroal movement and sedimentation of Keum-river estuary and estmated of deposition capacity. Keum-river estuary sea wall was constructed in 1988 Jan. and the sluice gate was completely closed in 1995 May. At the present, Kun-Jang new port. South and North jetty, Semankume sea wall and Kun-Jang industry estate are developing the Kume-river estuary around. At this developing and construction of Keum-river estaury, in many element of hydrauli - ocean waves, tide, tidal prism and depth of water - have changed. Tide analysis used statistics-analysis and harmonic-analysis from 1984 to 1997. Depth of water analysis used bathymetric chart from 1985 to 1997. Therefore we must correctly decise hydraulic element that is use simulation numerical test and hydraulic model. We analyze ocean waves, tide, tidal prism and depth of water change and modeling bed-load movement simulation; K-Cytengel, suspending-load deposition simulation; DIMOS-IV. Through the K-Cytengel and DIMOS-IV simulation estemated the sedimentation capacity and propose suitable answering such as dredging, water injection and remove of estuary sea wall.
하지 분절 각도에 따른 수의 등척성 수축(MVIC)시 근전도 비교
김정자,이민형,김연정,채원식,한윤수,권선옥 한국운동역학회 2005 한국운동역학회지 Vol.15 No.1
J. J. KIM, M. H. LEE, Y. J. KIM, W. S. CHAE, Y. S. HAN, O. KWON. Comparison of the maximum EMG levels recorded in maximum effort isometric contractions at five different knee flexion angles. Korean Journal of Sport Biomechanics, Vol. 15, No. 1, pp. 197-206, 2005. The purpose of this study was to quantify the maximum EMG levels and determine if there are differences in these EMG levels with respect to different knee flexion angles. Eight university students with no known musculoskeletal disorders were recruited as the participants. The maximum voluntary isometric knee extensions and flexions were taken from each participant sat on the isokinetic exercise machine (Cybex 340) at five different knee flexion angles (10?30?50?70? 90?. After surface electrodes were attached to rectus femoris, vastus medialis, vastus laterlis, biceps femoris, and semitendinosus, maximum EMG levels at five different knee flexion angles were measured. The results showed that there was no significant difference in maximum EMG levels among five different knee flexion angles. Although there was no significant difference in EMG levels and were some variations among different knee flexion angles, the EMG signals of quadriceps in extension and biceps femoris in flexion were the greatest at 30? It seems that different joint angles or relative locations of body segments might affect the magnitude of EMG levels. Because the maximum EMG levels could change with a different knee flexion angle, an attempt should be made to more accurately measure these values. If then, %MVIC measure provides more reliable data and is most appropriate for EMG normalization.
뮈텔 주교의 《서울 대목구 지도서》(Directorium Missionis de Seoul, 1923) 연구
한윤식(HAN, Youn-Sik) 한국교회사연구소 2011 敎會史硏究 Vol.0 No.37
In 1923, Mutel, Bishop of Vicariate Apostolic of Seoul, published Directorium Missionis de Seoul to suggest specific ministerial action plans for his priests to follow. It is an important directory for us to understand the way Bishop Mutel did his ministry in Vicariate Apostolic of Seoul and to draw a concrete picture of his various ministerial activities as bishop. It is also an important document to help understand the ministerial works of his priests and the spiritual life of the faithful there in 1920’s. Despite its importance, however, little effort has been made in studying it systematically. In order to provide some supplementary study on this directory, thus, I try to introduce the process of it being designed and published. The second step is to take a look at the emphasized points that Bishop Mutel made in promulgating it. It is followed by the study on the main points and specifics in order of contents. The study on the norms of the directory has its importance in two ways; first, it remains as a directory not only in Vicariate Apostolic of Seoul, but also it has become main norms in the entire Church in Korea since 1924. Secondly, a significant amount of its contents was included and developed in Directorium commune Missionis Coreae(Common Directory of Korean Catholic Church), which was published in 1932 and regarded as Korean Catholic ministerial directory that has had a consistent impact on the faithful since then. It is, thus, my understanding that Directorium Missionis de Seoul deserves a significant consideration and study in that it helps us understand the priestly ministry and spiritual life of the faithful in Vicariate Apostolic of Seoul in late 1920’s as well as in the entire Korean Catholic Church in twentieth century.
( Youn Hee Cho ),( Bong Min Ko ),( Shin Hee Kim ),( Yu Sik Myung ),( Jong Hyo Choi ),( Jae Pil Han ),( Su Jin Hong ),( Seong Ran Jeon ),( Hyun Gun Kim ),( Jin Oh Kim ),( Moon Sung Lee ) 대한장연구학회 2014 Intestinal Research Vol.12 No.2
Background/Aims: Colorectal cancer (CRC) develops from colonic adenomas. Type 2 diabetes mellitus (DM) is associatedwith a higher risk of CRC and metformin decreases CRC risk. However, it is not certain if metformin affects the developmentof colorectal polyps and adenomas. This study aimed to elucidate if metforminaffects the incidence of colonic polyps and adenomasin patients with type 2 DM. Methods: Of 12,186 patients with type 2 DM, 3,775 underwent colonoscopy between May2001 and March 2013. This study enrolled 3,105 of these patients, and divided them in two groups: 912 patients with metforminuse and 2,193 patients without metformin use. Patient clinical characteristics, polyp and adenoma detection rate in the twogroups were analyzed retrospectively. Results: The Colorectal polyp detection rate was lower in the metformin group than inthe non-meformin group (39.4% vs. 62.4%, P <0.01). Colorectal adenoma detection rate was significantly lower in the metformingroup than in the non-metformin group (15.2% vs. 20.5%, P <0.01). Fewer advanced adenomas were detected in the metformingroup than in the non-metformin group (12.2% vs. 22%, P <0.01). Multivariate analysis identified age, sex, Body mass index andmetformin use as factors associated with polyp incidence, whereas only metforminwas independently associated with decreasedadenoma incidence (Odd ratio=0.738, 95% CI=0.554-0.983, P =0.03). Conclusions: In patients with type 2 DM, metforminreduced the incidence of adenomas that may transform into CRC. Therefore, metformin may be useful for the preventionof CRC in patients with type 2 DM. (Intest Res 2014;12:139-145)
South Korean Compeititiveness in the Defense Industry Using the Diamond Model
( Han Hee Kim ),( Youn Sik Choi ),( Hyung Rok Jung ),( Dong Uk Kim ) 국방대학교 안보문제연구소 2014 The Korean Journal of Security Affairs Vol.19 No.1
The purpose of this paper is to evaluate the competitiveness of the defense industry of Korea and suggest a possible policy to promote it. Based on Michael diamond model, we computed the index of the defense industry and evaluated the nationwide competitiveness of South Korea. Throughout this process, we developed low rank factors and measurement indicators for determining competitiveness and also drew out the relative importance of low rank factors and the absolute importance of the measurement indicator by means of a series of surveys. The results from the calculation of national competitiveness through our model show that the competitiveness of the Korean defense industry stays at the level of 34 percent of the USA, 57 percent of the UK, and 70 percent of France. As to factor conditions, it has relatively lower and below the average competitiveness; for factor conditions: capital (10 percent of the USA) and research and development (19 percent of the USA); for demand condition: domestic market (30 percent of the USA) and economic environment (41 percent of the USA); and for business competition, structure, and competition (11 percent of the UK). However, for the area of related and supporting industries, it has above the average or a similar level of competitiveness with high-tech industry factor (76 percent of the UK) and government support factor (46 of the USA); also for the area of firm strategy, structure, and rivalry, economic environment (51 percent of the USA). We further analyzed internal strength and weakness as well as external opportunity and threat for the defense industry and suggest some strategies for improving the competitiveness of the defense industry.