• The Mathematical Education
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• v.53 no.1
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• pp.111-129
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• 2014

${\ll}$Xiang Ming Suan Fa${\gg}$ written by Ahn Ji-Jae, a scholar of Yuan Dynasty, is a very important mathematics text in development of mathematics in Joseon Dynasty. Also, ${\ll}$Xiang Ming Suan Fa${\gg}$ in possession of Keimeung university was designated as a Korean National Treasure on February 25, 2011. In this paper, we analyzed the structure and contents of ${\ll}$Xiang Ming Suan Fa${\gg}$. Also, we studied the influences of ${\ll}$Xiang Ming Suan Fa${\gg}$ on Joseon Dynasty's mathematics according to the comparing with mathematics books such as ${\ll}$Mook Sa Jib San Bub> and ${\ll}$San Hak Yib Moon${\gg}$.

• Proceedings of the Korean Magnestics Society Conference
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• 2008.12a
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• pp.40-40
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• 2008

• Journal of the Korean Applied Science and Technology
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• v.12 no.1
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• pp.13-18
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• 1995

• 한국도로학회:학술대회논문집
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• 2010.09a
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• pp.359-363
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• 2010

• 한국도로학회:학술대회논문집
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• 2003.10a
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• pp.327-332
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• 2003

• Proceedings of the KIEE Conference
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• 1997.07c
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• pp.969-971
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• 1997

This paper proposes the OOP design for development of the service restoration system in DAS. It utilizes the Booch Method and has features of high reusability expansion and manatenance capability.

• 한국신재생에너지학회:학술대회논문집
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• 2005.11a
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• pp.567-567
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• 2005

• Proceedings of the Plant Resources Society of Korea Conference
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• 2020.08a
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• pp.108-108
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• 2020

• Proceedings of the KIEE Conference
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• 2009.07a
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• pp.2174_2175
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• 2009

This Paper present about loop impedance characteristic based on korea internal electrical environment. Analysis parameters were touch voltage, electrical shock current and human body resistance. Result, For protect of electrical shock must measuring of loop impedance. And current capacity & loop impedance are must important parameters.

• 한국정보디스플레이학회:학술대회논문집
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• 2005.07a
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• pp.125-128
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• 2005

The visual perception tests were conducted to determine limits of luminance of a LCD TV from a viewpoint of glare. The results showed that people, who watch TV in their living room, perceive glare above $410\;cd/m^2$ at full window and $590\;cd/m^2$ at 1/25 window.