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- 저자 : ( Moon Gi Seok ) (검색결과 227 건)
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문창기,박상준,조민구,김영중,김소연,김윤권,정준오,안석진,김은실,서승오,김지훈,최원제,이윤영,박형기,최규영,김현근 대한감염학회 2006 감염과 화학요법 Vol.38 No.6
Background: The purpose of this study was to document the incidence and clinical characteristics of patients with tuberculosis (TB) in combat and auxiliary police, living in a group, in Korea where the incidence rate of active TB in a general population is higher than in Western countries. Materials and Methods:We retrospectively reviewed the medical records of all tuberculosis patients diagnosed at National Police Hospital from January 2002 through December 2004. Results:In 2002-2004, a total of 156 cases of tuberculosis were identified with the mean (Standard deviation) age of 20.6 (±1.0) years. Of these, 134 (85.9%) patients were registered as new cases, 11 (7.1%) as relapse, 2 (1.3%) as failure, 5 (3.1%) as treatment-after-default cases whereas 4 (2.6 %) patients were not included in any categories. Average annual new TB rate and smear-positive TB rate were 86.5/10^(5) and 17.4/10^(5) person-years, respectively. In 12 of 31 smear-positive cases, time from onset of symptoms to diagnosis was more than 30 days. Two multidrug-resistance TB cases were identified and two suspected outbreak episodes of TB had occurred during 3 years. Conclusion:There was no statistically significant difference in the incidence rate of new cases of TB between the general population aged 20 to 29 years and combat and auxiliary police in Korea. 배경 : 국내 결핵의 발생은 감소 추세에 있으나 여전히 후진국형 발생양상을 보이고 있다. 특히 집단생활을 하는 젊은이들에서 발생하는 결핵의 유행이 간헐적으로 알려지고 있어 우려를 낳고 있다. 이에 저자들은 최근 전경대원의 결핵 발병 양상에 대해 알아보고자 본 연구를 시행하였다. 재료 및 방법 : 2002년 1월부터 2004년 12월까지 3년간 경찰병원에서 결핵 진료를 받은 전경대원의 의무기록을 후향적으로 분석하여 연도별 결핵 신환발생률, 도말양성결핵 신환율, 진단 지연, 집단발병, 다제내성결핵을 조사하였다. 결과 : 연도별 결핵 신환자 수(10만명당 발생추정치)는 2002년 50명(83.6명), 2003년 42명(83.7명), 2004년 42명(93.5명)이었고 도말양성 폐결핵 신환자 수는 2002년 10명(16.7명), 2003년 11명(21.9명), 2004년 6명(13.4명)이었다. 3년간 도말양성 폐결핵 환자는 31명이 있었고 그 중 12명은 호흡기 증상 발생 30일이 지나서 진단을 받았다. 다제내성 결핵은 2명이 있었으며 결핵의 집단발병이 의심되는 사례는 2차례 있었다. 결론 : 전경대원과 20-29세 연령군 일반인의 결핵 신환발생률, 도말양성 폐결핵 발생률의 통계적으로 유의한 차이는 없었다.
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곽재균,조은기,김행훈,윤문섭,석순종,김창영 한국국제농업개발학회 2004 韓國國際農業開發學會誌 Vol.16 No.2
1. Uzbekistan은 전통적인 농업국가로서 농업이 경제의 축이며 농촌인구가 60%,농업부문 종사자가 전 산업에서 차지하는 비율이 44%이고 농업생산이 GNP에서 차지하는 비중이 33%로서 비교적 높은 편이다. 2. 이 나라의 농업은 강우량이 적고 건조한 기후조건 때문에 주로 관개에 의존하고 있으며 안공수로와 저수지의 건설로 관개가능 면적은 430만㏊ 이고 충분한 수량만 확보된다면 700만㏊ 까지 경작이 가능하다. 농업생산은 목화, 밀, 벼, 포도, 채소, 멜론재배가 주종을 이루고 있으며 특히 일조시수가 3,000시간으로 매우 길고 일사량도 많아 목화, 고품질의 포도와 멜론 생산이 유명하다. 3. 축산업도 농업에서 중요한 부문으로 주로 유목에 의존하고 있으며 염소, 고기소, 젖소, 면양이 주된 가축이고 양잠업도 중요한 위치를 차지하고 있다. 4. Uzbekistan은 맥류, 목화, 포도, 사과, 양파 등의 원산지 일 뿐만 아니라 박과 작물의 2차원산지로서 유전적 다양성이 풍부하고 특히 멜론은 많은 재래종 품종들이 분화되어 재배되고 있다. 5. Uzbekistan는 1995년 한·우즈벡 농업기술협력 가능성 조사 이후 1996년부터 양국간 유전자원 공동연구가 활발히 추진되고 있다 금후 인근 중앙아시아 각국과의 유전자원 또는 농업관련 공동연구를 수행함에 있어 우즈베키스탄을 전진기지로 활용하는 방안이 적극 모색되어야 할 것으로 사료된다. The Republic of Uzbekistan is located in the central part of the middle Asia. The area of the Republic makes up 447.4 thousands ㎢ and about 60% of the country is semi-desert or desert with only 4.5 million hectares of the area cropped. The average temperature in July on the plains' territory varies from 26℃ in the North to 30℃ in the South, and the average temperature in January falls to as low as 0℃ in the South and to -8℃ in the North. Precipitation primarily occurs during the winter-spring period. Annual precipitation amounts to 80-200 ㎜ on the plains, 300-400 ㎜ in the foothills area and 600-800 ㎜ on the eastern and south-eastern slopes of the mountain ridges. Natural pastures occupy 50.1% of the total area of Uzbekistan, and 9.7%(4.3 Min. ha) of irrigated lands. Irrigated land is mainly cultivated for cotton, spiked cereals, rice and potato. Cotton plants occupy 36.5% of the cultivated areas and grain crops 39.5%. Given the abundance of solar radiation and heat, the major factor limiting the use of agroclimatic and land resources is a deficit of water. Agriculture in Uzbekistan was and still is the largest sector in Uzbekistan's economy. Agriculture and it's related industries account for approximately 33% of GDP, and 55% of the hard currency revenues of the country is related to Agriculture. Approximately 60% of the population resides in rural areas, and 44% of the work force is engaged in agricultural production. Uzbekistan is the world's fifth largest cotton producer and the second largest exporter. Cotton has been center to the economy because it accounts for about 50% of the country's export earnings. At the same time, however, cotton production has depended on vast amounts of irrigation, and this has had a possibly significant irreversible negative impact on the Aral Sea. The development strategy in the agricultural sector in the country is targeted at ensuring food and environmental security, while increasing the efficiency and export-potential of domestic production. According to the macroeconomic forecast, the agrarian sector will maintain its leading role in the economy (at 25% of GDP). To meet the strategic development goals by 2010, annual growth in agricultural output must be at least 5-6%.
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An HLA-Based Distributed Cosimulation Framework in Mixed-Signal System-on-Chip Design
Seok, Moon Gi,Kim, Tag Gon,Choi, Chang Beom,Park, Daejin IEEE 2017 IEEE transactions on very large scale integration Vol.25 No.2
<P>In mixed-signal system-on-chip (SoC) design, distributed cosimulation is one of the practical approaches for unifying various abstracted hardware models using different description languages. Conventional ad hoc distributed cosimulation solutions do not have formal theoretical backgrounds of simulator integration into their solutions. In this brief, we propose a general cosimulation framework based on the high-level architecture (HLA) and newly defined programming language interface for interoperation (PLI-I) as a formal simulator interface. Based on the PLI-I and HLA, we propose formal integration and interoperation procedures. To reduce integration costs, the procedures have been developed into a common library and then merged with modeldependent signal-event converter to handle differently abstracted in/out signals. During the interoperation, to resolve the different time-advance mechanisms of the digital and analog simulators, the adapter executes an advanced HLA-based synchronization based on the presimulation concepts. The case study shows the reduced design effort in integrating and validating the heterogeneous models and simulators using the proposed framework in mixed-signal SoC design.</P>
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An HLA-Based Formal Co-Simulation Approach for Rapid Prototyping of Heterogeneous Mixed-Signal SoCs
SEOK, Moon Gi,KIM, Tag Gon,PARK, Daejin 'Institute of Electronics, Information and Communi 2017 IEICE transactions on fundamentals of electronics, Vol.ea100 No.7
<P>The rapid prototyping of a mixed-signal system-on-chip (SoC) has been enabled by reusing predesigned intellectual properties (IPs) and by integrating newly designed IP into the top design of SoC. The IPs have been designed on various hardware description levels, which leads to challenges in simulations that evaluate the prototyping. One traditional solution is to convert these heterogeneous IP models into equivalent models, that are described in a single description language. This conversion approach often requires manual rewriting of existing IPs, and this results in description loss during the model projection due to the absence of automatic conversion tools. The other solutions are co-simulation/emulation approaches that are based on the coupling of multiple simulators/emulators through connection modules. The conventional methods do not have formal theoretical backgrounds and an explicit interface for integrating the simulator into their solutions. In this paper, we propose a general co-simulation approach based on the high-level architecture (HLA) and a newly-defined programming language interface for interoperation (PLI-I) between heterogeneous IPs as a formal simulator interface. Based on the proposed PLI-I and HLA, we introduce formal procedures of integration and interoperation. To reduce integration costs, we split these procedures into two parts: a reusable common library and an additional model-dependent signal-to event (SE) converter to handle differently abstracted in/out signals between the coupled IPs. During the interoperation, to resolve the different time advance mechanisms and increase computation concurrency between digital and analog simulators, the proposed co-simulation approach performs an advanced HLA-based synchronization using the pre-simulation concepts. The case study shows the validation of interoperation behaviors between the heterogeneous IPs in mixed-signal SoC design, the reduced design effort in integrating, and the synchronization speedup using the proposed approach. key words: system-level verification, system-on-chip design, mixed-signal design, simulator interoperation, HLA/RTI</P>
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문석기(Moon, Seok Gi),김우범(Kim, Woo Bum) 한국구조물진단유지관리학회 2010 한국구조물진단학회 학술발표회논문집 Vol.2010 No.2
According to the KBC 2006, The soil are classified SA~SE 5 kinds to consider the Impact on local soil conditions, geological conditions and terrain, the ground surface and the underground to motion. Putting the point of superstructure at fixed state, response spectrum was analysed by kind of soil. Unlike the general structure, the case of a major substation in the power structure need to analyze exact safety and high reliability about seismic loads. In this paper, seismic analysis of buildings in the substation soil - structure interaction to consider the impact of existing analysis and compared.
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문석기(Moon, Seok-Gi),김우범(Kim, Woo-Bum) 한국구조물진단유지관리학회 2009 한국구조물진단학회 학술발표회논문집 Vol.2009 No.2
According to the KBC2006, The Soil are classified SA~SD 5 kinds to consider the impact on local soil conditions, geological conditions and terrain, the ground surface and the underground to motion.Putting the point of superstructure at fixed state, response spectrum was analysed by kind of soil.Unlike the general structure, nuclear structure need to analyze exact stability and high reliability about seismic loads. In this paper, accoding to shear wave velocity of soil, influence of SSI(Structure Soil Interaction) in the substation was analyzed and compared.
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문기봉 ( Gi Bong Moon ),유영민 ( Young Min You ),윤현석 ( Hyun Seok Yun ),서영호 ( Young Ho Suh ),서용석 ( Yong Seok Seo ),백용 ( Yong Baek ) 대한지질공학회 2014 지질공학 Vol.24 No.3
낙석은 형상, 체적 및 중량 등 그 규모를 예측하기 어렵고 비탈면의 높이 및 경사 등 기하학적 형상 등에 따라 불규칙적인 거동을 보인다. 본 연구에서는 해안도로를 따라 낙석이 빈번하게 발생하는 울릉도의 비탈면을 대상으로 현장조사를 수행하여 낙석의 유형을 분류하고 규모를 산정하였다. 또한 시뮬레이션 기법을 적용하여 도로에 영향을 미치는 낙석의 거동을 분석하였다. 연구지역에 분포하는 집괴암과 조면암질암은 각각 탈락형과 박리형의 낙석 유형를 보이며, 낙석의 규모는 조면암질암이 집괴암에 비해 상대적으로 2~3배 크게 분포하는 것으로 나타났다. 시뮬레이션을 이용한 낙석의 거동을 분석한 결과, 도로에 작용하는 충격 에너지가 표준 낙석방지울타리의 흡수 가능 운동에너지의 범위를 초과하여 고강도특수망을 적용할 경우 안정성이 확보되는 것으로 나타났다. It is difficult to predict the magnitude of a rockfall with respect to the shape, volume, and weight of the rock mass, as a rockfall exhibits erratic behavior that depends on the slope geometry, such as the height and dip of the slope. In this study, a field survey was conducted on the slopes of Ulleung-Do, South Korea, where rockfalls frequently occur along coastal roads, to classify the mode of rockfalls and estimate their magnitude. This study also analyzed the effects of rockfall behavior on roads by applying a simulation technique. Agglomerate and trachytic rocks distributed across the study area produce rockfalls in a differential weathering rockfall mode and a toppling rockfall mode. In terms of rockfall weight, trachytic rockfalls were 2-3 times heavier than agglomerate rockfalls. An analysis of rockfall behavior from the simulation indicates that the impact energy on the road exceeded the absorbing energy of a standard rockfall protection fence; however, the rockfall was secured when a ring-net was applied.
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