• Proceedings of the KIEE Conference
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• 2001.07c
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• pp.1573-1575
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• 2001

삼상 교류에 의한 플라즈마 발생 장치 중구리튜브 전극을 이용한 아크 글라이딩 식의 비이행형 플라즈마 발생장치는 전극구조가 간단하고 교체가 용이 할 뿐 아니라, 전극과 노즐의 형상을 유해 가스 처리에 충분한 엔탈피를 가지도록 설계될 수 있으므로, DC형과 더불어 차세대 환경정화용 핵심장치로 관심을 모으고 있다. 본 연구에서는 교류형의 특성상 어쩔 수 없이 발생하는 열플라즈마의 플리커를 제어하기 위해 글라이딩 아크의 움직임과 플라즈마 플래임의 움직임을 분석하여 열 플라즈마의 안정화 조건을 정립하고자 하였다. 또한 본 논문에서는 여러 가지 조건에서 수행된 플라즈마에 관련된 수치해석과 플라즈마 발생기의 동작시험의 결과를 바탕으로 삼상교류 열플라즈마를 안정시킬 수 있는 기본적인 조건의 범위를 제시하였으며 이에 대한 토의를 기술하였다.

• Proceedings of the KIEE Conference
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• 2007.07a
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• pp.1484-1485
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• 2007

글라이딩 아크 플라즈마의 화학적 반응성을 이용하여 대표적 휘발성 유기 화합물인 벤젠의 분해를 위한 연구를 수행하였다. 실험에는 벤젠과 공기의 mixture gas를 사용하였다. 글라이딩 아크 플라즈마에 공급되는 전력을 변화시키며 각 regime의 방전 특성을 아크주의 방전 특성을 나타낸 O. Mayr의 식에 따라 살펴보았으며 플라즈마와의 반응전.후의 mixture gas내 포함되어 있는 벤젠 peak area의 크기를 GC(Gas Chromatography)를 통해 분석하였다.

• Journal of Korean Elementary Science Education
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• v.43 no.3
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• pp.446-459
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• 2024

This study aims to examine the development and learning process of the argumentative abilities in elementary school students with regards to learning science. Toward this end, the SSI argumentation education program was implemented in conjunction with the science curriculum for sixth-grade students across 10 months. In this process, the scoring criteria in terms of formal and content aspects were developed and used to assess their argumentative text analysis and expression abilities. The results were as follows: First, the type of SSI influenced their ability to analyze argumentative texts. However, their formal and content aspects improved as learning progressed. Second, with regards to the formal aspect associated with the ability to express argumentative texts, reasons were initially most frequently cited. Over time, incorporating evidence to support these reasons and the use of rebuttal also increased. Third, in terms of content aspect, the level of use of all elements increased as learning progressed; however, level of acknowledgments and rebuttal elements exhibited a relatively slower progress. In summary, ability of the students to analyze and express argumentative texts improved as they increasingly gained experience in learning about argumentation. The study deduced that elementary school students can develop their argumentative abilities through appropriate learning support, such as teacher feedback, along with implementation of the SSI argumentation education program over an extended period. Based on these results, the study proposes the development of SSI materials and incorporation of SSI argumentative writing in the science curriculum.

• Journal of the Economic Geographical Society of Korea
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• v.10 no.1
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• pp.64-80
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• 2007

This article shows how the university can contribute to regional development through its public services. To that end, this article firstly tried to examine the functions and activities of the universities in civic engagement. Secondly the actual contents and various programs of the Chonnam National University located in Kwangju, South Korea are analyzed as a case study. It is seen that Chonnam National University is emphasizing the civic engagements in terms of continuing educations, openings of the facilities, and volunteers services or social works of the students. But the more active connections between university and its community are still needed for the enhanced responsibility of the faculty about public services and for the enduring civic engagements.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.28 no.4
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• pp.101-125
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• 2017

Useful information and knowledge are rapidly produced and spread, and if they are not conserved and managed, they may disappear in a moment, and it is time to make archives for them. In this study, focusing on social media postings of twelve public agencies in Daegu metropolitan city, the current practices were investigated, the types of the contents were defined and the characteristics of the type of contents and platforms. NVivo was used to collect social media postings. Therefore, this study confirmed that social media records need to be archived and distilled implication for archiving social media records.

• KLA journal
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• v.10 no.8
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• pp.7-10
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• 1969

이 글은 1969.9.11. 한국외국어대학 도서관에서 개최된 전국 대학 도서관대회에서 발표된 논문임.

• 한국디지털정책학회:학술대회논문집
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• 2006.12a
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• pp.367-375
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• 2006

• LP가스
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• s.96
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• pp.62-75
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• 2005

전세계적으로 신연료개발에 열을 올리고 있는 가운데 (일)프로판산업신문에 LP가스합성 기술 및 경제성 분석에 대한 글이 소개되어 이를 게재한다.

• KLA journal
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• v.39 no.6 s.313
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• pp.30-44
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• 1998

이 글은 DDC 제21판의 올바른 이해를 돕기 위해 기획된 것으로, 이번 호에서는 제3보조표인 문학 형식 구분표에 대해 구체적으로 분석해 보고자 한다.

• Journal of the Korean hospital association
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• v.19 no.11 s.179
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• pp.37-41
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• 1990

이 글은 한양대 행정대학원 석사학위논문의 요약이다.