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李源明(Lee, Won-Myung) 백산학회 2009 白山學報 Vol.- No.83
This article studies A study of security of Nockdundoe(鹿屯島; down area of the Duman-River) and Lee-il(李鎰) of North commander(咸慶北道兵馬節度使) in the middle age of Chosun Dynasty. Take care of this study, First of all, writer took a system of military affairs and reform of military administration of the middle of Chosun-Dynasty. Accordingly this, we are capable of Limites of the Jin-guan System(鎭管體制; defence of 鎭管) and effective Campaign of defence(制勝方略) in the Jurchen area. And in the 16 century, Accordingly military service and reform bills of military adminstration of lee-li(李珥) and You-sung roung(柳成龍) we have confirmed inconsistency and limitation of defence system of Chosun Dynasty. Second of all, writer took Jurchen campaign of North commander of military Lee il(李鎰) and Nocdundoe(down area of the Duman-River). Third of all, took Life of Lee-il(李鎰) General of military and his activities the early days of Japanese invasions in 1592. Specially this 2, 3 chapter, writer took campaigns and activities Lee-il(李鎰) of North commander of military and Lee-il(李鎰) of General the early days of Japanese invasions in 1592. Accordingly this studies, writer requested truly-valuation of Lee-il(李鎰) of General the early days of Japanese invasions in 1592, and careful judge a person by true materials.
고층 건축물 마감공사를 위한 건설용 리프트 계획 및 관리 통합형 양중모델
이명도(Lee, Myung-Do),원명균(Won, Myeong-Kyun),이웅균(Lee, Ung-Kyun),조훈희(Cho, Hun-Hee),강경인(Kang, Kyung-In) 대한건축학회 2014 大韓建築學會論文集 : 構造系 Vol.30 No.5
The objective of this study is to propose an integrated lifting model of planning and operation for finishing works in tall building construction. The model consists of five components: lifting schedule chart, lifting load leveling, lifting equipment planning, lifting TACT and lifting table. The model was designed to provide a more practical lifting planning and operating method for construction managers as well as to cope with unexpected schedule delays. To validate the proposed model, a case study was performed in building a construction project; questionnaires were distributed in order to evaluate its effectiveness compared with the original method. A case study showed the following results. (1) The model is estimated to provide more practical lifting planning alternatives compared with the original method to construction managers. (2) The model can be a valuable management tool in terms of the lifting operation of construction lift. (3) The model can be provide an effective method to cope with unexpected situations through the integration of lifting planning and operation. Therefore, It is expected that the proposed model can be employed as practical means to the planning and operation of construction lift at construction sites.
동적 패턴 생성기를 이용한 마이크로 광 조형 시스템에서 수지 유동 해석 및 자유표면 형성에 관한 연구
원명호(M. H. Won),최재원(J. W. Choi),하영명(Y. M. Ha),이석희(S. H. Lee),김호찬(H. C. Kim) 한국정밀공학회 2005 한국정밀공학회 학술발표대회 논문집 Vol.2005 No.10월
A Stereolithography technology is based on stacking of sliced layer from STL file that is converted from 3-dimensional CAD data. A microstereolithography technology is evolved from conventional stereolithography to fabricate microstructures. In this technology, we have to consider influence of resin flow to make refresh surface. To generate new resin surface, stage has to be moved downward deeply and upward to desired position. At this time, resin flow affects to refresh surface of resin. And resin viscosity is the key factor in simulation of resin flow. By setting optimal refresh time for resin surface, total fabrication time is reduced and there is no damage to fabricated layers. In this research, we simulate resin flow using CFD software and derive optimal stage moving time and dwelling time.
서원명,배용한,허해준,곽철순,이석건,이종원,윤용철,Suh, Won-Myung,Bae, Yong-Han,Heo, Hae-Jun,Kwak, Cheul-Soon,Lee, Suk-Gun,Lee, Jong-Won,Yoon, Yong-Cheol 한국농공학회 2009 한국농공학회논문집 Vol.51 No.6
This study was conducted in the process that the basic plan of the formation of the thermal energy complex in the Iwon reclaimed land of Taean was being made. Targeting for the large-sized greenhouse to be made in this area, it examined the cooling and heating load and the amount of ventilation, and also analyzed the economic efficiency of heating. The research results are as per the below: The minimum ambient temperature of this area was measured on January 7, 2001, which was $-18.7^{\circ}C$, and the maximum ambient temperature of this area was measured on July 24, 1994, which was $36.7^{\circ}C$. The maximum heating load was 39,011 MJ/h, but the date when the maximum heating load was not consistent with the date when the minimum temperature was measured. The maximum cooling load was 88,562MJ/h, It was approximately 2.3 times of the maximum heating load, which was measured at 14:00 hours on September 4, 2000. The maximum amount of ventilation heat was 138,639MJ/h. Assuming the rate of solar heat use as 10%, 20%, 50%, and 100%, the total sum of cost-benefit would be ₩-193,450,000, ₩-634,930,000, ₩-3,372,960,000, and ₩-9,850,420,000, respectively 20 years later. The break-even point of the geothermal heat pump would be about 4 years for 10% use, about 3 years for 20% or 50% use, and approximately 6 years for 100% use. It was found that 50% use would be most advantageous. In case two systems are combined, the break-even point will be 10 years, 8 years, and 11 years respectively.
여말선초 韓.中 문명교류의 성격 : 세종조 유교적 理想國家 구현과 崔萬理 상소
이원명(Lee. Won-Myung) 서울여자대학교 인문과학연구소 2010 인문논총 Vol.19 No.-
This article studies the character of interchange of Sino-Korean civilization in the late Koryo dynasty and early Chosun dynasty - Confucian ideal nation embodiment and Jiphyunjun(集賢殿) in the Sejong(世宗)'s reign - Take care of this study, First of all, in the , meaning of 事大(Submission) and 交隣(friendship with neighboring countries). This was official a foreign policy and rational wisdom with living in those days'. It gets for develop of 朝貢(tribute) and 冊封(Installation), are capable diplomatic trade official and a kind promise as a pledge for coexist in the rulers. And Chinese character in the East-Asia culture.civilization can be found key. Second of all, in the writer can be found change of the 元明 and Chosun-Ming diplomatic links in the 14, 5 century, ached all over the Chosun-Ming diplomatic links and Investiture(表箋; a memorial to the throne) in the late Koryo dynasty and early Chosun dynasty. Investiture(表箋) is end-all anther demands of 事大(Submission) in those days'. and end-all, find out install of Jiphyunjun(集賢殿). And true meaning of so-called 甲子上疏(Gab ja Sang So) of 崔萬理(Chi, man-lie) is a realistic plan and reasonable proposal. this is character of the interchange of civilization Sino - Korean, figure of the Sino-centralism in the medieval culture.
기원명,이영규,이창우,유세훈,Ki, Won-Myoung,Lee, Young-Kyu,Lee, Chang-Woo,Yoo, Se-Hoon 한국마이크로전자및패키징학회 2011 마이크로전자 및 패키징학회지 Vol.18 No.3
Nano-composite solders have been studied to improve the properties of Pb-free solder joints. The nanoparticles in the composite solders were carbon nanotubes(CNTs), metals (Ag, Ni, Cr, etc.), ceramics (SiC, $ZrO_2$, $TiB_2$, etc.). To fabricate the nano-composite solders, mechanical mixing methods and in-situ fabrication method has been used for well-dispersed nano phase. The characteristic properties of the nano-composite solders were high creep resistance, low undercooling, low IMC growth rate and fine microstructures. More researches on the nano-composite solders are required to improve the processibility and the reliability of the nano-composite solder joints.