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참관기 / "2003년 E3에서 한국 높아진 위상 실감했다"
서정원,Seo, Jeong-Won 한국데이터베이스진흥원 2003 디지털콘텐츠 Vol.6 No.-
지난 5월 13일부터 16일까지 LA에서 E3가 개최됐다. E3(Electronic Entertainment Expo)는 미국 IDSA(Interactive Digital Software Assosiation) 협회가 매년 LA에서 개최하는 E3는 세계에서 가장 큰 인터렉티브 게임업계의 트레이드 쇼이다. 미국 게임사들에게 가장 중요한 마케팅 이벤트인 E3에서는 게임사들 대부분이 주요 발표를 하며 이곳에서 발표된 게임들의 87%가 게임매출의 반이상을 차지하는 크리스마스, 연말연시를 겨냥해 출시된다.
Characteistics of Charge Traps and Poling Behavior of Poly (Vinylidene Fluoride)
서정원,류균상,이호성,Seo Jeong Won,Ryoo Kun Sang,Lee Hoo Sung Korean Chemical Society 1985 Bulletin of the Korean Chemical Society Vol.6 No.4
Transient charging and discharging currents as well as space charge limited currents have been measured in biaxially stretched poly(vinylidene fluoride) film under various poling fields and temperatures. At low temperatures and short poling times, the I-V characteristics showed shallow trap behavior. When the current values extrapolated to the infinite time, the I-V characteristics indicate that the distribution of the trap energy levels is uniform or very broad. The abnormal suppression of current at higher poling voltages and the high discharge rate observed also in the same voltage range are attributed to the morphological changes due to dipole reorientation.
다목적 쌍발 헬리콥터용 터보축 엔진의 성능해석 및 기본설계
서정원,윤건식,Seo, Jeong-Won,Yun, Geon-Sik 대한기계학회 2002 大韓機械學會論文集B Vol.26 No.1
In this study, the procedures for the preliminary design of the turbo-shaft engine for the light multi-purpose helicopter are established. The engine specifications are determined through the performance analysis on the on-design and off-design conditions by the use of simulation program. In addition, the effect of humidity on the engine performance is examined by considering the change of the gas properties and characteristic maps due to moisture contents. The calculation results show that the engine power is reduced by the existence of moisture in working fluid.
서정원(Seo Jung-won),권성태(Kwon Sung-tae),김정국(Kim Jeong-Guk) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
Bogie frame of the electric car is an important structural member for the support of vehicle loading. In general, more than 25 years" durability is necessary. A lot of study has been carried out for the prediction of the structural integrity of the bogie frame in experimental and theoretical domains. The objective of this paper is to estimate the structural integrity of the bogie frame of an electric car, which is under the running test. F.E. analysis of bogie frame was performed to find locations for attaching strain gage and to estimate static stress. Dynamic stress were measured by using strain gage in order to evaluate the structural integrity of the bogie frame.
소비자 유형에 따른 막걸리 소비 행태 분석 -광주광역시 주류 소비자를 중심으로-
서정원 ( Jeong Won Seo ),조규대 ( Gue Dae Cho ),김인석 ( In Seck Kim ) 한국식품유통학회 2015 食品流通硏究 Vol.32 No.2
The Makgeolli industry had expanded rapidly since the late 2008 in response to significant increase of exports as well as various government supports. However, the expansion of Makgeolli industry has slowed down in recent years due to the various reasons. It is essential for Makgeolli industry to correctly examine consumer purchasing behavior in order to restore its increasing market share in the alcohol market. This study classified Makgeolli consumers based on the patterns of lifestyle and analyzed purchasing behavior using survey data. Empirical results showed that the perceptions, places to drink, choice attributes of Makgeolli are statistically significantly different depending on the lifestyle of consumers. The findings of this study would provide empirical basis to develop proper market segmentation strategies in the Makgeolli industry to expand its market.
서정원(Seo Jeong Won),채종훈(Chai Jong Hun) 한국지역개발학회 2018 韓國地域開發學會誌 Vol.30 No.3
This paper analyzes the relationship between public institution integrity (corruption) and farm income value using data from 131 local government between 2010 and 2014. Using measure of public institution integrity, Integrity Index reported annually by ACRC(Anti-Corruption & Civil Rights Commission). STATA 12.0 version was used for statistical analysis. Research result, Integrity has been shown to have a negative(-) impact on farm income. However, the impacts are different depending on the industrial status of agriculture in local governments. Region with high industrial status of agriculture in the local governments(Agro-industiral region), we show that there are statistically significant and bigger correlations between integrity and farm income The empirical result suggests that a 1 unit increase in integrity index increases the farm income by about 13.1%. On the other hand, areas with high industrial status of agriculture in the local governments(Urbanization region), integrity has been shown to have a negative(-) impact on farm income.