• East Asian mathematical journal
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• v.35 no.4
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• pp.451-465
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• 2019

Textbooks are official materials so that these are the most frequently used teaching materials in school. The teacher constructs the lesson based on the contents of the textbook to achieve the learning goal. Thus, textbooks play an important role because the quality of the contents in textbooks affects the cognitive level of students. This study investigates the cognitive domain based on Bloom's Taxonomy of Educational Objectives(knowledge, understanding, application, analysis, synthesis and evaluation) of 'Values and Expression' in the mathematics textbook of the first grade of middle school reflecting the 2015 revised mathematics curriculum. We also looked at cognitive levels based on Bloom's Taxonomy of Educational Objectives. As a result, it was found that understanding was dominant in 'Values and Expression'. Also, although the problem of requiring a higher level of cognition is increasing as the unit finishes, there are still a high percentage of low level of problems.

• 대한예방의학회:학술대회논문집
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• 2005.10a
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• pp.440-440
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• 2005

• Proceedings of the Zoological Society Korea Conference
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• 1998.10b
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• pp.292.2-292
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• 1998

No Abstract, See Full Text

• Proceedings of the Korea Multimedia Society Conference
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• 2001.06a
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• pp.471-476
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• 2001

본 논문에서는 Y. Watanabe et al.에 의해 제안된 서명부가문서를 이용한 부정자 추적기법을 분석하여 PKI(Public Key Infrastructure)기반에서 구현 가능하도록 프로토콜을 재구성하고, 그 안전성을 분석한다. 그리고 변형된 Signcryption을 이용한 프로토콜을 제안하여 기존의 유사 프로토콜과 비교·분석하여 제안된 프로토콜이 더욱 효율적임을 보인다.

• Bulletin of the Korean Mathematical Society
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• v.50 no.3
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• pp.787-799
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• 2013

In this paper, we compute the sectional curvatures and the scalar curvature of the Siegel-Jacobi space $\mathb{H}_1{\times}\mathb{C}$ of degree 1 and index 1 explicitly.

• Electronics and Telecommunications Trends
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• v.20 no.5 s.95
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• pp.84-92
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• 2005

실리콘 포토닉스 기술은 차세대 실리콘 기술로서 optoelectronic integrated circuit을 위한 실리콘 기반 광기술에 대한 것이다. 본 고에서는 이러한 실리콘 포토닉스 기술을 이용한 단일 집적화에 있어서 응용과 문제점 및 연구개발 동향에 대해 알아본다. 특히, 세부 기술들에 대한 현재의 기술적 수준을 단일 집적화 측면에서 검토하였으며, 가장 큰 문제점으로 인식되는 실리콘 발광원의 국내외 기술 현황을 살펴보았다.

• Proceedings of the Korean Society of Medical Physics Conference
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• 2006.08a
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• pp.100-100
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• 2006

• Proceedings of the Korean Society of Medical Physics Conference
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• 2006.08a
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• pp.118-118
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• 2006

• Proceedings of the PSK Conference
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• 2000.04a
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• pp.114.3-115
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• 2000

• Journal of radiological science and technology
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• v.17 no.1
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• pp.65-70
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• 1994