• Proceedings of the KIEE Conference
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• 2009.04b
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• pp.277-278
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• 2009

본 논문에서는 스테핑모터의 정 역회전 시간에 따른 속도제어 구동드라이버를 제안하였다. 모터의 속도와 위치를 단순연산으로 처리하여 가격 절감 효과를 가지고 왔으며, 각상의 제어 펄스폭을 측정하여 구동드라이버의 특성을 분석하였다.

• 대한예방의학회:학술대회논문집
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• 1997.10b
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• pp.231-233
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• 1997

• Journal of Integrative Natural Science
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• v.5 no.1
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• pp.42-45
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• 2012

In this paper, when N is a compact Riemannian manifold, we discuss the nonexistence of conformal deformations on Riemannian warped product manifold $M=({\alpha},\;{\infty}){\times}_fN$ with prescribed scalar curvature functions.

• Honam Mathematical Journal
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• v.14 no.1
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• pp.37-44
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• 1992

• Proceedings of the Korean Nutrition Society Conference
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• 2003.05a
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• pp.120.2-120.2
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• 2003

• Proceedings of the Korean Radioactive Waste Society Conference
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• 2018.05a
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• pp.188-189
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• 2018

• Proceedings of the PSK Conference
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• 2001.10a
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• pp.227.2-228
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• 2001

• Proceedings of the PSK Conference
• /
• 2001.04a
• /
• pp.152.1-152.1
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• 2001

• Proceedings of the PSK Conference
• /
• 2001.04a
• /
• pp.153.2-153.2
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• 2001

• Journal of Integrative Natural Science
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• v.6 no.3
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• pp.170-175
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• 2013

Silicon nanowires were detached and obtained from silicon nanowire arrays on silicon substrate using a ultrasono-method. Silicon nanowire arrays on silicon substrate were prepared with an electroless metal assisted etching of p-type silicon. The etching solution was an aqueous HF solution containing silver nitrate. SEM observation shows that well-aligned nanowire arrays perpendicular to the surface of the silicon substrate were produced. After sonication of silicon nanowire array, an individual silicon nanowire was confirmed by FESEM. Optical characteristics of SiNWs were measured by FT-IR spectroscopy. The surface of SiNWs are terminated with hydrogen.