• International Journal of Contents
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• v.4 no.4
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• pp.7-11
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• 2008

This paper embodies the agent based cinder monitoring system which supports PDA{Personal Digital Assistant). Monitoring system automatically manages data by using data managing agents such as a state managing agent, a location managing agent, a badness managing agent, a circumstances managing agent, etc, and uses a massive data processing agent to manage massive data. The development of agent based data monitoring system for the stable cinder reuse will be an epoch-making method to develop the process mechanized or manual-labored that widely spreads into the real-time automated process.

• Journal of the Korean Ceramic Society
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• v.15 no.4
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• pp.193-198
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• 1978

Test-bricks were prepared from an artifically graded Ham Kang sand and a commercial CaO and autoclaved for 6 hours at $16 kg/cm^2$ pressure $(203^{\circ}C)$. Bricks were tested for compressive strength, free lime, saluble silica and amount of water absorption. Physical properties of bricks were very much depended on the size distribution of sand particle and the amount of soluble silica in bricks.

• Proceedings of the KSR Conference
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• 2002.05a
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• pp.171-176
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• 2002

There are many railway structures which were designed without conidering aseismic capacity. In special, masonry structures constructed long time ago should be reviewed about their resistance to earthquake. In this paper, technique to evaluate the capacity of masonry railway bridge is tried to develop by means of FEM analysis. In general FEM analysis program, 3-D solid element is used for masonry structures and response spectrum analysis procedure is tried. In addition, 3-D solid element has material properties equivalent to mortar-brick composite body. Used FEM program is ABAQUS-CAE.

• Smart Structures and Systems
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• v.2 no.4
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• pp.329-337
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• 2006

This paper illustrates an analytical investigation of the vibration parameters of buildings on sliding seismic isolation bearings with elastic limiters of the relative displacement. The installation scheme of sliding bearings and elastic limiters for the separate unit of a 4 storey hospital building with brick walls is designed. The analysis of the vibrations of the hospital building is conducted for harmonic base excitation.

• Proceedings of the Korean Information Science Society Conference
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• 2003.10b
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• pp.457-459
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• 2003

인터넷의 발달로 인해 이제는 집에서 PC로만 해오던 게임을 언제 어디서든 인터넷만 가능하다면 게임을 즐길 수 가 있게 되었다. 이 게임은 웹의 편리함과 자바의 애플릿 기술을 이용하여 인터넷 온라인 게임을 설계 및 구현하였다. 웹 상에서 이루어진다는 편리함을 가지고 있지만, 시간과 장소의 제약이 크고, 동시에 여러 사람 이 함께 게임을 할 수 없다는 단점을 가지고 있다. 본 논문에서는 모듈기반의 벽돌깨기 게임을 개발 및 구현하였다. 시스템 분석 및 설계에서는 UML을 이용하였으며, 자바 애플릿으로 구현하여 웹 상에서도 이용 가능하였다.

• Journal of the Korean Professional Engineers Association
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• v.28 no.1
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• pp.119-125
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• 1995

To make the Leathen Bricks, We needed the hollouning Couchitions 1) During the water smoking, we must burn out the organic matenials completely by 600$^{\circ}$C 2) The optimum tempenatune to make the briks wan 1000$^{\circ}$C~1050$^{\circ}$C 3) The mixing ratio of the leathr dust was 6~8%

• Proceedings of the Korean Nuclear Society Conference
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• 1997.05b
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• pp.23-29
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• 1997

유한요소법을 이용하여 경수로형 핵연료집합체에서 냉각수 유동에 의한 수직 상승력으로부터 핵연료를 지지하는 판형 HDS의 강성도를 수치해석적으로 평가할 수 있는 방법을 제안하였다 I-DEAS code의 8 node brick element를 사용하고 판스프링들간의 간섭 부위에 접촉요소를 사용한 유한요소 모델링 및 해석기법으로 평가한 탄성강성도가 변형 에너지법에 근거하여 유도된 탄성강성도 평가식으로부터 얻은 결과와 잘 일치하고 있어서 제안된 유한요소 모델링 및 해석기법은 판형 HDS의 거동 분석에 유용하게 이용될 수 있다.

• Educational Technology International
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• v.9 no.1
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• pp.25-47
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• 2008

The purpose of this study is to investigate online school students' understanding of going to online school and their recognitions of the differences between online schools and brick and mortar schools/homeschool. A qualitative research was conducted with an 8^th grade teacher and sixteen 8^th grade students at an American online school. The findings of this study can be an important first step toward an in-depth understanding of online school learning environments.

• Journal of architectural history
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• v.15 no.3
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• pp.99-118
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• 2006

We have focused on the building appearance according to the change of conservation policy and urban fabric in Bukchon, Seoul. The Urban Hanok, urban traditional housing type, had been evolved in modern contort from 1920's to 1960's, that is to say, many buildings(Urban Hanok) in Bukchon area has built up with a lot and road at the same time. But the change of conservation policy has an effect on the urban fabric and building(wooden structure, RC and brick building). Thus many types of building in Bukchon has undergone a various change. The purpose of this paper is to define a change factor of Bukchon buildings. Thus we need to pay attention to policy and urban fabric. We reached the result as follows. First, the change of architecture regulations according to the several policies(an aesthetic area, an altitude area for sky line restriction and so on) brought into building deformation and eventually the historic scenery of Bukchon has been spoiled. Second, the change of policy had an effect on the change of roads and lots. Buildings on a widen road and a united lot was built newly. But new buildings built up with a concrete or brick structure was not in harmony with the historic scenery of Bukchon area. Third, a development method of a large lot with lack prudence(disregarded a scale and size of lot) did damage to Urban hanok and urban fabric. With the understanding on the relationship of buildings, a urban fabric and a policy in Bukchon, we can define the identity and correspond with the urgent request for a the conservation of historic urban scenery In addition we can suggest the policy and the design guidelines for the reservation and rehabilitation for Bukchon, Seoul.

• Culinary science and hospitality research
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• v.15 no.4
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• pp.172-186
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• 2009

This study investigates the relationship between the difference of the importance of physical environment by use behavior and customer satisfaction based on the customers who have visited domestic fine dining restaurants and tries to develop a marketing strategy to promote sales in fine dining restaurant business suffering from the global economic hard times. A survey was conducted to examine the customers who were older than 20 years old and have visited a fine dining restaurant, 'Wood & Brick' and 'Benigni', located at Sejongro Junction in Seoul for 61 days from May 1 to June 30, 2009. SPSS 14.0 statistical package was used to process data. Frequency analysis, reliability test, ANOVA, and multiple regression were executed. The result shows that the difference of the importance of physical environment by use behavior depends on the number of visits per month and the cost per capita. On the relationship between physical environment and customer satisfaction, cleanness, space arrangement, charm, and accessibility have positive effects on customer satisfaction.