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박병호,유지현,김학,윤여진 한국기업교육학회 2006 기업교육과인재연구 Vol.8 No.1
Self-regulated learning, which emphasize learner's own regulation skills during their learning process, has been recognized as an important concept in enterprise e-Learning. This recognition has led to several studies to prove the effects of self-regulated learning strategies in e-Learning environment. However, most of those studies have focused on proposing the conceptual framework and examining correlation among some variables. So, this study aims to identify e-Learning support strategies and to develop the Learning-Blog as a powerful tool for the effective self-regulated learning in enterprise. The process of this study were summarized as follows. First, seven components in three distinctive phases of self-regulated learning included the forethought(pre-study), the performance(study) and the evaluation(post-study) phases were selected. Second, the support strategies of e-Learning and the development principles of Learning-Blog were specified. And then, Learning-Blog has developed as a virtual learning space using semantic web technologies. Learning-Blog can make learners set their learning goals, monitor their and other learners' learning paths, and evaluate their performance. To be sure, this study has some limitations, and considerable work needs to be done. At the very least, the researchers and developers hope this article is able to provide impetus for strengthening the application of new technologies into this field. 학습자의 자기주도성을 강조하는 자기조절학습 이론은 효과적인 기업 e-Learning 환경을 구축하기 위한 주요 이론으로 각광 받아 왔다. 그 결과, 다양한 관점의 연구들이 진행되었으나, 대부분 이론적 개념에 대한 논의나 학습자의 특성 및 학습 환경의 변인 간의 상관관계를 분석하는 연구들이 주류를 이루어 왔다. 따라서 본 연구에서는 기업 e-Learning의 현실에 부합한 효과적인 자기조절학습 지원 전략을 도출하고, 이를 구현하는 시스템으로 '학습블로그'를 개발하게 되었다. 연구의 절차는 다음과 같다. 첫째, 선행연구를 토대로 자기조절학습의 단계별 구성 요소를 규명하였다. 둘째, 단계별 구성 요소에 따라 효과적인e-Learning 지원 전략과 학습블로그 개발원리를 도출하였다. 셋째, 지원전략과 개발원리의 내용적 타당성을 검토한 뒤 이에 근거한 학습블로그의 기능을 정의하고 구축하였다. 학습블로그 개발의 의의는, 무엇보다도 기존의 단일 과정 수강 중심의 소극적인 '운영'의 개념을, 학습의 전 과정으로 확장된 적극적인 '운영'으로 해석하고 그 지원 전략과 시스템을 도출하였다는 점이다. 또, 시맨틱 웹 기술을 이용하여 학습자의 관점에서 학습 내용을 재해석하고, 그 결과 새롭게 창출된 지식을 공유할 수 있는 토대를 마련하였다.
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박병호,Park, Byung-Ho 한국정보교육학회 2004 정보교육학회논문지 Vol.8 No.2
With changing to the new information technology society, education has also been urged to utilize the Information Ccmmunication Technology(ICT). Thanks to the recent efforts by the government, a large number of schools has been equipped with advanced educational technologies. While there has been a lot of studies on how to use ICT more effectively, relatively few is the studies about the activating factors of ICT utilization. More than often than not, those studies have been conducted about the survey of current situations of ICT utilization and have never had implemented based on the theory of diffusion of innovation. As a result, the current study surveyed the previous studies about encouraging and resistance factors of ICT utilization in light of the theory of diffusion of innovation and environmental encouraging factors by Ely. Then, the efforts were made to present suggestions to encourage the utilization of ICT in schools.
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Sensitive Detection of Ozone using Single-Walled Carbon Nanotube Aerogels
박병호,김나리,엄문광,오영석 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.1
Ozone pollution, mainly formed from exhaust gas of motor vehicles in the presence of sunlight, is a major health issue in many urban areas. Here, single-walled carbon nanotube (SWCNT) aerogels are used for the detection of sub-ppm level ozone pollution, taking advantages of their high surface area. The aerogels were fabricated from semiconducting enriched nanotubes that exhibit chemical gating effect by adsorbed gas molecules. Also, selective destruction of residual metallic nanotube network was carried out by applying direct current (DC) through the nanotube aerogels, confirmed by Raman spectroscopy. The electrical breakdown of the residual metallic SWCNT network improved sensitivity of the devices. The prepared SWCNT aerogel based gas sensors showed high sensitivity, fast response, and reasonable recovery performance to ozone gas even at room temperature.
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