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비생물학적 영역에서 사용되는 진화 개념에 대한 교사와 학생들의 인식
한혜리 ( Hye Lee Han ),이미숙 ( Mi Sook Lee ),주희영 ( Hee Young Ju ),이길재 ( Kil Jae Lee ) 한국교원대학교 과학교육연구소 2012 청람과학교육연구논총 Vol.18 No.1
The purpose of this study was to analyze the differences of evolution concepts used in non-biological fields. The high school students and teachers were also asked about how they understand the evolution concepts used in non-biological field through questionnaires and interview. The results are as follows: First, the study shows that both teachers and students regard evolution as changes in the course of process and also as something that takes place through variation and selection. However, the teachers and students think that the non-biological evolution takes place in comparatively shorter time, and it has certain fixed directions. Also, it is thought that evolution is caused by artificial selection and acquired traits are delivered to the next generations. Second, the evolution concepts were mainly used to indicate development or advance. It is also interpreted to evolve by needs step by step towards the intended goal by the whole group. Therefore, if the students are given a lecture that tells them clear differences between biological and non-biological evolution concepts, it will help students understand the concepts of evolution in biology better.
내외부온도 변화에 따른 스터드 건식벽체의 표면온도 측정 분석
한혜심(Hye-Sim Han),장철용(Cheol-Yong Jang),이진숙(Jin-Sook Lee) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
Dry wall using steel stud has the advantage of possibility to install various building, so it used to many buildings inside and outside of the country very rapidly. But, the use of steel studs in wall system cause thermal problems such as thermal performance and pattern staing on walls. Therefore, the purpose of this study is to measure thermal performance of dry wall which uses steel stud transformed one by using measurement equipment to decrease heat bridge of steel stud and ensure heat performance as dry wall. The test was conducted by setting those stud on the chamber and heating them. As the results of test and photograping by using TVS, there was temperature gap of each stud, and surface temperature of each section was appeared differently due to shape of stud delaying thermal bridge.
한혜심(Hye-Sim Han),장철용(Cheol-Yong Jang),이진숙(Jin-Sook Lee) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
Recently, many problem occurred from poor air quality because of VOCs, HCHO, and Rn that cause sick house syndrome. To reduce this problem, it is important that harmful chemical materials have to be emitted into outdoor quickly. So air environment could be more comfortable. But it is careful problem in energy saving due to change of heat and humidity indoor. In this paper, ventilation rating in apartment will be investigated and energy saving rate will be analyzed and compared considering the ventilation rating in a apartment with Building Energy Rating System's evaluation tool.
건축물 에너지효율등급 인증제도 인센티브 개선방안에 관한 연구
한혜심(Han Hye-Sim),장철용(Jang Cheol-Yong),이진숙(Lee Jin-Sook) 대한건축학회 2011 대한건축학회논문집 Vol.27 No.5
Recently, Government’s Energy-saving policy in Korea as ‘Green Growth’ is very remarkable effort. By intensive policies, the private is encouraged to participate in policy. Especially, it is very important in the field of architecture and we have to work for construction of law system. The purpose of this study is to prepare obligation of the Building Energy Efficiency Rating System according to government’s energy conservation policy and to prepare incentives improvement for enabling. Through previous research, we investigate incentive situation relating to building energy efficiency rating system and survey to make infrastructure for obligation of the building energy efficiency rating system. Nowaday incentive system’s coverage and object are too narrow. So it is required that incentive system improve according to expansion of the applicable standards, coverage, object and other details.
기존건물의 시뮬레이션 및 실측 데이터를 활용한 냉방에너지 절감방안 연구
이나은(Lee, Na-Eun),한혜심(Han, Hye-Sim),안병립(Ahn, Byung-Lip),정학근(Jeong, Hak-Geun),장철용(Jang, Cheol-Yong) 대한건축학회 2013 대한건축학회논문집 Vol.29 No.4
Despite of government’s continued support for building sector, Korea lacks practical technology for building energy management. To achieve this, first of all the system that measures and manages actual building energy is necessary. But, in the case of existing buildings, only a few buildings are equipped with these systems. In this study, First, meters were installed inside a building to measure and manage existing building’s energy consumption. Second, improvement measures that can reduce energy consumption were identified by analyzing the measured data. Finally, it is suggested the ways to save energy of building. The result of this study, the case applied blinds and daylight control has energy savings up to 7.8% and keeps down electric charges about 76 million won.
군병원 간호장교의 근거기반실무 지식, 태도, 수행정도와 영향요인
김혜원 ( Kim Hye-won ),김윤미 ( Kim Youn-mi ),한혜리 ( Han Hye-lee ),김혜현 ( Kim Hye-hyun ),나정순 ( Na Jung-soon ) 국군간호사관학교 군진간호연구소 2016 군진간호연구 Vol.34 No.2
Purpose : The purpose of this study is to grasp the knowledge, attitude, practice use and related factors on evidence-based nursing practice and related factors among nursing officers at armed forces hospitals. Methods : The study was a cross-sectional survey design. Through convenient sampling, 176 nursing officers were recruited from five military hospitals. The data were collected by using the self-reported structured EBP questionnaire(EBPQ). The data were analyzed using t-test, ANOVA, and linear-multiple regression. Results : The overall mean score for EBPQ was 4.24±0.72 out of maximum score of 7. The mean scores for the knowledge, attitude, and practice use of EBP were 3.64±1.08, 4.72±1.10, and 4.38±1.12, respectively. Experience of participation in a research was statistically significant predictors of nursing officers` EBP perception. Multiple regression analysis showed that service periods (β=.244, p=.043) and participating in a research experience(β=.250, p=.001) & explained 18.7% of evidence based decision making(p<.001). Conclusion : The findings showed that nursing officers with experience of participation in a research are more likely to use and value the best available evidence for practice. The study suggests needs not only for further exploration but also for developing educational plans provided by each institute to assist nurses with the process of EBP and the associated skills.
다중 영향 및 환경정의를 고려한 지역 환경보건수준 평가 사례연구
박충희(Choong-hee Park),한혜지(Hye-ji Han),이영미(Young-mee Lee),유시은(Si-eun Yoo),정다영(Da-young Jung),추연희(Yeon-hee Chu) 한국환경보건학회 2020 한국환경보건학회지 Vol.46 No.1
Objectives: Based on the concept of environmental justice, we developed an evaluation model for setting and adopting the direction of environmental health policy using environmental health indicators and statistics from the local governments of Seoul, including environmentally susceptible populations. Methods: We selected a total of 20 variables based on data officially released from national and local governments. After the classification of these variables into the five components of environmental pressure, environmental status, environmental disease, sensitive population, and socioeconomic status, a basic model was constructed to calculate the relative scores of the local governments. Results: The cumulative impact scores for assessment of environmental health status were similar to those of the environmental pressure and status components. The highest five cumulative impact scores fell between 114 and 147. Local government A reported the highest scores and had high environmental pressure, environmental status and socioeconomic status. In addition, the evaluation of the other four local governments indicated that they exhibited above average scores for environmental pressure and environmental status, two did so for environmental disease, and four for sensitive population. Conclusion: We constructed a model to evaluate the environmental health status of the local governments of Seoul based on cumulative impact scores under the concept of environmental justice. As an approach for studying environmentally vulnerable areas through relative ranking, this model was feasible for policy-setting. In addition, this approach would be an analytically useful tool for decision-makers.
더블 로이유리 적용 복층창의 구성에 따른 단열성능 평가
이나은(Na-Eun Lee),장철용(Cheol-Yong Jang),안병립(Byung-Lip Ahn),김치훈(Chi-Hoon Kim),한혜심(Hye-Sim Han),이승복(Seung-Bok Leigh) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
As the exterior of building has been considered one of the important parts, the use of glass that is suitable to express various appearances gets raised. However, windows posses insulating quality which is 6~7 times lower than walls. Lately, highly efficient windows are required as the needs for reduction of energy consumption come to the force. Therefore, Nowadays more people use cooling systems in summer, more the use of Low-e glazing is increasing. Because ir is good to block Solar Radiant Energy which can cause much of heat loss while cooling system is working. Accordingly, in this study, after making sample in order to let the Double Low-e glazing applied to windows, we evaluated thermal performance with TVS and U-value measurement chamber.