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알루미늄 거푸집 표면코팅재의 전용횟수에 따른 콘크리트의 품질변화
이일선 ( Il Sun Lee ),박병관 ( Byung Kwan Park ),백대현 ( Dae Hyun Baek ),박재순 ( Jae Soon Park ),한민철 ( Min Cheol Han ),한천구 ( Cheon Goo Han ) 한국건축시공학회 2009 한국건축시공학회 학술발표대회 논문집 Vol.9 No.1
This study is analyzed the effects of the number of use of aluminum form surface coating material on surface quality of concrete. The results can be summarized as follows. Surface roughness showed larger values with increase in the number of use. Values were larger in UP and AL compared to PE. While found to have bad influence on concrete surface quality, PA and W showed most excellent values for roughness. The number of surface pores increased with increasing number of use, and the number of pores on concrete surface was reduced by applying a remover. In terms of type of surface coating material, PA and W showed smallest number of pores in comparison to PE. In order to comprehensively improve surface quality of concrete, parallel use of PA coating material and remover is deemed most appropriate.
3성분계 시멘트의 단위수량 및 혼합방식에 따른 콘크리트의 기초특성
이일선 ( Il Sun Lee ),홍석민 ( Seak Min Hong ),백대현 ( Dae Hyun Baek ),김기훈 ( Ki Hoon Kim ),한민철 ( Min Cheol Han ),한천구 ( Cheon Goo Han ) 한국건축시공학회 2009 한국건축시공학회 학술발표대회 논문집 Vol.9 No.2
This study analyzes the mixing and basic characteristics of concrete according to the unit quantity and mixing method of ternary blended cement and the results of this study can be summarized as follows. In the case of the premixed cement (hereafter referred as POBF) of POBF135, it satisfies the target level of fluidity and air content in which it shows relatively small bleedings even though it represents the latest initial and final setting. Also, although the POBF135 represents small initial strength, it shows an increase in the strength according to the increase in aging. In addition, it shows the lowest temperature in the POBF135. As a result, it can be seen that the POBF135 indicates the most optimal mixing subject to considering the aspect of fluidity, compressive strength, and heat of hydration in general figures.
SimMan 시뮬레이션 학습 시나리오의 개발 및 학습 수행 평가
고일선(Ko Il-Sun),김희순(Kim Hee-Soon),김인숙(Kim In-Sook),김소선(Kim So-Sun),오의금(Oh Eui-Gum),김은정(Kim Eun-Jung),이주희(Lee Ju-Hee),강세원(Kang Se-Won) 기본간호학회 2010 기본간호학회지 Vol.17 No.3
Purpose: The purpose of this study was to develop a scenario and evaluate students' performance in simulation learning of care for patients with asthma in emergency units. Methods: Meetings of experts were used to develop a scenario based on actual patients and textbook material. An evaluation protocol was developed to evaluate the simulation learning. The scenario was used in 2006 with six groups of 26 senior nursing students who participated voluntarily. Results: The scenario was developed according to the nursing process for 15 minutes of simulation learning. The nursing students were able to demonstrate their knowledge and skills. The results showed a need to improve problem solving ability. In the self-evaluation, the students reported that simulation learning helped them to integrate their knowledge to practice and recognize their weaknesses and strengths. However, the scores for self-confidence about patient care after the simulation learning were low (4.8/10). Conclusion: The scenario in this study gave the students the experience of providing qualified and secure nursing care under conditions similar to reality. Further development of a variety of scenarios for simulation learning is needed.
과학 교수-학습 프로그램의 두뇌기반 분석을 위한 두뇌맞춤지수 산출식 개발
이일선 ( Il Sun Lee ),이준기 ( Jun Ki Lee ),권용주 ( Yong Ju Kwon ) 한국과학교육학회 2010 한국과학교육학회지 Vol.30 No.8
이 연구의 목적은 과학 교수-학습프로그램의 두뇌기반 분석을 위한 정성적ㆍ정량적 분석방법을 제시하는 것이다. 연구목적 달성을 위해, 첫 번째로 두뇌기반 분석을 위한 분석방법의 고안에는 중학교 과학 교수-학습프로그램 중 한 단원을 연구대상으로 선정하여 분석하였다. 제시된 분석방법의 유용성 검증에는 7차 및 2007 개정 교육과정의 초등학교 과학 교수-학습프로그램 중 네 단원을 연구대상으로 선정하여 검증하였다. 그 결과, 교수-학습 프로그램을 CORE Brain Map을 통해 정성적으로 컨설팅 할 수 있었다. 또한 네트워크 이론으로부터 정량적 분석을 위한 두뇌맞춤지수 산출식(BCI=L(o)/11(N(o)-1·(4)Σ(i=1) ι(i)w(i))을 유도하였다. 이를 통해 단원 및 교육과정에 따른 연구대상 교수-학습프로그램들 간의 정량적 차이를 확인할 수 있었다. 이 연구를 통해 개발된 두뇌기반 과학 교수-학습 프로그램의 정성적ㆍ정량적 분석방법은 두뇌기반 다양한 과학 교수-학습 프로그램의 분석 및 진단에 활용 가능할 것으로 전망된다. The purpose of this study was to develop the brain compatibility index equation for the brain-based analysis method of science teaching-learning program. To develop the index equation, one sample unit in middle school science programs was selected and analyzed by the brain-based analysis frame (CORE Brain Map). Then, the index equation was derived by the CORE Brain Map. In addition, four sample units in elementary science programs were selected to validate the brain compatibleness index equation. From the random network theory of Erdos and Renyi, this study derived the brain compatibility index equation; (BCI=L(o)/11(N(o)-1·(4)Σ(i=1) ι(i)w(i)) for quantitative analysis of science teaching-learning program. With this equation, this study could find the quantitative difference among the teaching-learning programs through the unit and curriculum. Brain-based analysis methods for the qualitative and quantitative analysis of science teaching-learning program, which was developed in this study is expected, to be a useful application to analyze and diagnose various science teaching-learning programs.