• Korean Journal of Exercise Nutrition
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• v.13 no.1
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• pp.45-50
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• 2009

This study evaluated the effects of D-ribose supplementation on exercise time in a hypoxic chamber. Eight healthy young males participated in experiments under all four different conditions; placebo+normoxic, placebo+hypoxic, ribose+normoxic, and ribose+hypoxic. Subjects took 1 g per 10 kg body weight of ribose dissolved in drinking water 30 minutes before and immediately before running. We observed the run-to-exhaustion time, the maximum heart rate, and the changing pattern of the heart rate during exercise. The longest running time was achieved when subjects ran under normoxic condition with ribose supplementation. The shortest running time occurred when subjects ran under hypoxic conditions without ribose supplementation. We measured MDA and GPx to determine any changes in oxidative stresses or antioxidative systems. MDA was affected by the environmental conditions and the running time. The activity of GPx showed a significant difference only with the different environmental conditions of exercise. The results of this study indicate that ribose can be considered a possible ergogenic during exercise in specific conditions, but more detailed and well-controlled studies are needed to make a definitive conclusion.

• Proceedings of the Korean Society of Crop Science Conference
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• 2007.11a
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• pp.231.1-231.1
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• 2007

• Optical Science and Technology
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• v.14 no.4
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• pp.6-13
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• 2010

• Proceedings of the Korean Society of Computer Information Conference
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• 2016.07a
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• pp.179-180
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• 2016

본 연구의 목적은 중학교 정보 교과에서 3D 프린터를 활용하는 방안을 제시하는 것이다. 연구는 문헌조사를 중심으로 이루어 졌다. 먼저, 3D 프린터에 관한 효과성과 각 과목별 활용사례에 관한 선행 연구를 분석하였다. 다음으로 중학교 정보 교과 교육 과정을 분석하였다. 이를 통해 중학교 정보 교과 영역 중 '문제해결과 프로그래밍' 영역이 3D 프린터를 활용하기에 가장 적합하다고 판단되어 해당 영역에서 3D 프린터를 활용할 수 있는 두 가지 방안을 제시하였다. 첫째는 3D 프린터를 프로그래밍의 도구로 활용하는 것이고, 둘째는 3D 모델링과 프린팅 자체를 통해 학습하는 것이다.

• Journal of the Korean Society of Clothing and Textiles
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• v.29 no.7 s.144
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• pp.1008-1017
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• 2005

When we develop 2D pattern from replica of human body with small pieces, it is inevitable to have some replica pieces overlapped or departed. In this study, the optimized method of 2D pattern development from the 3D replica pieces was investigated using dress-form. Among six arrangement methods, anchoring two vertexes of a replica to neighboring vertexes of a next replica induces the optimized 2D pattern by evenly distributing stress across the 3D replica pieces. Anchoring neighboring vertexes resulted in automatic widening k overlapping (W & O) the interspaces among replicas of dress-form, thereby stress was distributed more evenly than any other method. W&O arrangement method was verified to be the best by examining the 3D space distribution images between body surface and twelve experimental garments.

• 한국정보디스플레이학회:학술대회논문집
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• 2009.10a
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• pp.703-706
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• 2009

The external electrode fluorescent lamp(EEFL) has recently been applied to backlight of LCD TV as a new light source. The dependence of the electro-optic characteristics of the EEFL used in direct-lit backlights on the glass thickness was examined in detail, and the ultraviolet(UV)-light efficiency was estimated. It was found that the lamp efficiency became larger as the glass thickness decreased if other conditions were the same.

• Bulletin of the Korean Chemical Society
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• v.30 no.3
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• pp.713-715
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• 2009

• Food Industry And Nutrition
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• v.14 no.1
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• pp.12-20
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• 2009

• Proceedings of the Korean Vacuum Society Conference
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• 2009.02a
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• pp.139.1-139.1
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• 2009

• Proceedings of the Korean Institute of Landscape Architecture Conference
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• 2020.10a
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• pp.58-58
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• 2020