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이하영(Lee, Ha-Yeong),윤성환(Yoon, Seong-Hwan),박철수(Park, Cheol-Soo) 대한건축학회 2015 대한건축학회논문집 Vol.31 No.11
Weather data are indispensable for building energy simulation. Most weather stations measure only global solar radiation and thus, the global radiation is usually divided into direct and diffuse radiation based on solar models. The solar models being currently used are expressed in regression equations. Several studies have reported that the difference between measured direct/diffuse solar radiation and calculated direct/diffuse solar radiation out of the solar models is not negligible. This study aims to quantify the impact of the direct and diffuse split solar models on energy performance simulation. For this study, three popular solar models were chosen based on the literature review. And, a number of office buildings were simulated while changing several inputs relevant to solar load (e.g. SHGC, window-to-wall ratio, etc.). The sampling cases were made using LHS (Latin Hypercube Sampling), one of Monte Carlo techniques, and an energy simulation tool, EnergyPlus, was used. There is a significant difference between the measured weather data and the values of calculated direct and diffuse solar radiation. However, the difference between energy prediction by the measured weather data and energy prediction by solar models is not significant for large buildings. For small buildings, the difference in energy prediction is not negligible.
이지연(Ji Yeon Lee),이하영(Ha Young Lee),전지혜(Ji Hye Jeon),유영국(Young Kuk Yu),박영성(Yeong Seong Park) 대전대학교 환경문제연구소 2016 환경문제연구소 논문집 Vol.20 No.-
정수슬러지를 탄화 및 활성처리하여 흡착제를 제조하였으며, 이를 이용한 황화수소 흡착특성을 고찰하였다. 제조된 흡착제에 대한 BET측정 및 SEM 등 물성분석을 실시하였으며, 황화수소를 대상으로 회분식의 흡착평형실험을 실시하였다. 실험변수로는 활성처리시 적용되는 약품종류 및 농도 등이 적용되었다. 실험결과, 정수슬러지는 탄화나 약품첨착과정을 통해 커다란 성능 향상이 이뤄짐을 알 수 있었다. H₂S adsorption characteristics of adsorbent made by drinking water treatment sludge were investigated. For analyses of the manufactured adsorbent, various methods such as scanning electron microscope(SEM), measurements of BET surface area and pore volume were adopted. As major adsorption characteristics, adsorption equilibrium capacity was measured using a batch type experimental apparatus for operating variables such as chemical reagent types and concentrations. The experimental result showed that the H₂S adsorption equilibrium capacity of adsorbent made by drinking water treatment sludge much more increases with an impregnation of chemical reagents and carbonization for the sludge.
오배자 추출물의 Acetylcholinesterase 저해 및 항산화 활성 평가
배종섭 ( Jong Sup Bae ),이현식 ( Hyun Shik Lee ),이하영 ( Ha Yeong Lee ),유병혁 ( Byung Hyuk Yoo ),김태완 ( Tae Wan Kim ),김용한 ( Yong Han Kim ),김태훈 ( Tae Hoon Kim ) 한국식품저장유통학회(구 한국농산물저장유통학회) 2012 한국식품저장유통학회지 Vol.19 No.5
Antioxidant capacity and acetylcholinesterase (AChE) inhibitory activity of the aqueous methanolic extract of Rhus javanica were investigated in vitro. The antioxidant properties was measured by radical scavenging assays using DPPH and ABTS+ radicals. The AChE inhibitory efficacy of R. javanica was tested by Ellman`s assay and the total phenolic content was determined using a spectrophotometric method. All tested samples showed a dose-dependent AChE inhibitory and radical scavenging activities. In particularly, ethyl acetate (EtOAc)-soluble portion from the methanolic extract of R. javanica showed significantly higher inhibitory activity than other organic solvent soluble-portions in an AChE and radical scavenging assay systems. These results suggest that R. javanica may be possess potential benefits which might be useful in development of antioxidant and anti-alzheimer`s disease ingredient.
고등교육기관에 재학 중인 발달장애인의 평생교육 프로그램의 참여 실태 및 지원요구 - 문화예술영역을 중심으로 -
박정민 ( Park Jung-min ),김재현 ( Kim Jae-hyun ),홍서린 ( Hong Seo-lin ),신예이 ( Sin Ye-i ),이하영 ( Lee Ha-yeong ),박경옥 ( Park Kyoung-ock ) 대구대학교 한국특수교육문제연구소 2018 특수교육저널 : 이론과 실천 Vol.19 No.3
이 연구는 발달장애인의 평생교육 프로그램 중 문화예술영역을 중심으로 참여실태 및 지원요구에 대해 알아보고자 하였다. 평생교육의 문화예술프로그램은 체력증진 및 여가선용을 위한 스포츠 활동 과 문화예술을 향유하고 문화예술 행위와 기능을 숙련시키는 과정으로 운영되는 프로그램이다. 기관 2곳의 발달장애인 15명을 대상으로 평생교육 중 문화예술 참여실태 및 지원요구에 대해 면담을 실시하였다. 면담은 모두 전사되었으며 지속적 비교방법을 통해 분석되었다. 평생교육 문화예술 프로그램 참여 실태 조사 결과 모든 학생이 평생교육 프로그램에 참여하였다. 프로그램 유형으로는 문화예술 숙련 프로그램이 가장 많았으며, 프로그램 참여 기간은 주 1회 또는 3회, 1회에 1~2시간, 프로그램 참여 동기는 대다수 부모의 권유를 통한 참여였다. 고등교육 기관에 재학 중인 발달장애인의 평생교육 프로그램 참여 요구 조사 결과, 문화예술 숙련프로그램을 가장 많이 선호하였다. 또한 일반인들과 함께 참여하고자 하였으며, 각 분야의 전문가에게 배우길 희망하였다. 자신의 주거환경 인근장소를 선호하였고, 프로그램 참여 기간은 주 3회 3시간 이상 배우고자 하였다. 프로그램 제공은 선생님 또는 학부모의 정보제공으로 인한 프로그램 참여하기를 희망하였다. 연구결과를 토대로 발달장애인의 평생교육 프로그램 중 문화예술영역 프로그램의 실태를 밝히고 활성화하는 방안에 대해 논의하였다. The study focused on the cultural and artistic domain of the lifelong education programs of the people with developmental disabilities and sought to find out about their participation and support needs. It interviewed 15 people who were handicapped by development of two organizations on the status of participation in cultural arts and support during the lifetime of education. All interviews were transferred and analyzed through continuous comparison. According to the survey, all students participated in the lifelong education program. As for the program type, there were many cultural and artistic programs. The program participation period was one to two hours per week, or three times a week, and the motivation for program participation was through the recommendation of most parents. According to a survey of the demands of people with developmental disabilities who are currently in higher education institutions to participate in lifelong education programs, they preferred cultural and artistic proficiency programs the most, wanted to join the public, wanted to learn from experts in different fields, preferred a place near his residential environment, wanted to learn 3 hours or more three times a week, was hoped to participate in the program because of information provided by teachers or parents. Based on the results of the study, we discussed ways to identify and activate the life education programs of the disabled.