병원 외주부 디자인에 따른 병실모듈 연구

이현진 ( Lee¸ Hyunjin ),박원배 ( Park¸ Wonbae ) 한국의료복지건축학회 2021 의료·복지 건축 Vol.27 No.3

Purpose: It is important to plan the ward module at a time when the size of beds, the floor area, and the construction budget are all set prior to the hospital design. In this context this study aims (1) to derive various factors affecting the ward module, and (2) to analyze the appropriate room module according to the type. Methods: Design factors related to hospital modules are derived through precedential studies, and the types of ward elevation are classified by reviewing the drawings of 18 case hospitals. And the detailed dimensions and area of the derived elements are analyzed. Results: The X-axis modules of the ward are switched to long span structural columns of 9.9 m, 12.6 m and 13.2 m, but the ward modules still represent 6.6 m. The Y-axis module of the ward shows a dimension of 9 to 9.9m in the process of changing a multi-person room into a four-person room. Type A of curtain wall with columns located on the wall of the room and type B of curtain wall located in the center of the room are analyzed due to their variations. The square window type, which forms the elevation of the square window by exposing the columns to the elevation, and the outframe type, which protrudes from the structural columns and beams, have elevation designs limited. There are, however, no obstacles to the interior space of the hospital room, so the wall composition and furniture arrangement are expected to be free. The ward area of Curtain Wall Type A, which can secure an effective area of 5.9m*5.0m, are 52.1㎡. The Curtain Wall Type A, Square window type, and the outframe type are 49.8㎡. Implications: As part of the hospital standard module plan for economical and reasonable hospital building planning, a type was proposed in this study in conjunction with the external design. It is hoped that it be a base for standard module research linked together to the Central Treatment department, Outpatient department and underground parking lot.

미생물 유래 항당뇨 소재 및 발효식품 개발 현황

이현진,차인태,서명지,Lee, Hyunjin,Cha, In-Tae,Seo, Myung-Ji 한국식품영양과학회 2014 식품산업과 영양 Vol.19 No.2

The effects of ascorbic acid on the morphology and cell proliferation of three-dimensional stem cell spheroids

이현진,여성일,박준범,Lee, Hyunjin,Yeo, Seong-Il,Park, Jun-Beom The Korean Dental Association 2017 대한치과의사협회지 Vol.55 No.9

Purpose: The effects of various concentrations of ascorbic acid on stem cell spheroids derived from intraoral areas are not known yet. Thus, the purpose of this study is to evaluate the effects of different concentrations of ascorbic acid on the morphology and cellular viability of stem cell spheroids derived from the gingival tissues. Materials and Methods: Stem cells were plated onto silicon elastomer-based concave microwells and grown in the presence of ascorbic acid at concentrations ranging from 0.003% to 0.3%. The morphology of the cells was viewed under an inverted microscope at day 1, 2, 3 and 5. Qualitative live/dead assay and quantitative cellular viability using Cell Counting Kit-8 were performed on day 2 and day 5. Results: Gingiva-derived stem cells formed spheroids irrespective of ascorbic acid concentration in silicon elastomer-based concave microwells. Increase in the diameter of spheroid were seen with higher concentrations of ascorbic acid. Higher cellular viability was seen in higher concentrations of ascorbic acid. Conclusion: Within the experimental setting, the application of ascorbic acid on stem-cell spheroids produced an increase in the size and higher viability with higher dosage. It can be suggested ascorbic acid be applied with stem cell spheroids for tissue engineering purposes.

생협복지의 의미와 실천

이현진,김흥주,Lee Hyunjin,Kim Heungju 부경대학교 인문사회과학연구소 2015 인문사회과학연구 Vol.16 No.2

이 연구는 생협복지를 실천하는 구체적인 사례를 분석하면서, 국가와 시장이 아닌 사회적 경제 조직이 사회서비스를 제공할 수 있는 가능성과 그 효용성을 논의하였다. 생협복지는 지역의 다양한 조직과 연계하고 주민들의 적극적인 참여를 바탕으로 다양한 생활 서비스를 제공함으로써 공적 영역과 시장 영역의 복지제도가 놓치고 있는 일상의 사회적 돌봄을 실천하는 것을 의미한다. 이 연구는 단일 사례로서 서울 마포의 울림두레생협 복지활동을 분석대상으로 하였다. 사례는 지역 속에서 주민과 함께 성장하고 다양한 돌봄 사업을 하는 지역생협으로서의 특성을 가장 잘 보여주었다. 사례분석 결과 생협의 복지활동에는 세 가지 특징이 있었다. 첫째, 주민참여와 자치활동으로 복지 민주주의의 가능성이 높아졌다, 울림두레생협은 조합원들의 참 여와 민주적 의사결정을 최고의 가치로 여기고 있었고, 이를 실현하기 위한 다양한 제도적 장치를 가지고 있었다. 둘째, 상호부조와 연대를 통해 사회적 돌봄의 관계망 을 넓혀가고 있었다. 이로써 공공복지나 시장복지에서 해결하기 어려운 돌봄 사각지대를 해소하고 있었다. 셋째, 다양한 지역복지 커뮤니티가 구성되고, 이들의 활동으로 지역사회가 변화하고 있었다. 일공동체를 통해 지역 생산과 소비가 선순환하는 구조를 만들고, 지역주민이 함께하는 사업체와의 연대를 통해 사회적 경제를 실현하고 있었다. 그러나 생협복지의 확산과 지속에는 여전히 많은 문제가 있었다. 이에 대해 이 연구에서는 세 가지 발전전략을 제시하였다. 첫째, 맞춤화 전략으로써 조합원 및 지역주민의 다양한 특성을 반영하여 복지를 증진할 수 있도록 생애주기별 맞춤형 복지 실천을 제안하였다. 둘째, 전문화 전략으로써 조합원과 생협조직을 연결할 수 있는 조합원 활동가를 양성할 것과, 생협의 전문적 활동을 보완해줄 수 있는 조합원 전문 가를 양성할 것을 제안하였다. 셋째, 보다 폭넓은 지역사회복지실현을 위해 지역사회 전반에 존재하는 다양한 자원을 동원하고 연대하는 전략을 제안하였다. This study discussed a possibility that social service could be provided by social enterprise, not nation nor market, and its effectiveness, with analyzing a specific case of consumer cooperative welfare practice. Consumer cooperative welfare means the practice of everyday social care which a welfare system in public realm and market realm fails to notice, by providing various living services on the basis of connection with various organizations and residents' active participation. This study analyzed the welfare activities of WoollimDure Consumer Cooperative in Mapo, Seoul, as a single case. The case most clearly showed the characteristics of regional consumer cooperative that grew with residents inside the region and carried out various care projects. According to the results of case analysis, there were 3 characteristics in the welfare activities of consumer cooperative. First, a possibility of welfare democracy increased owing to residents' participation and self-help activities. WoollimDure Consumer Cooperative regarded members' participation and democratic decision-making as the highest value, and had various institutional arrangements so as to realize that. Second, social care networks were being expanded through mutual aid and solidarity. This removed the blind spot of care, with which the problem was difficult to solve in public welfare and market welfare. Third, various regional welfare communities were formed. And owing to their activities, regional communities were changing. Through work community, a virtuous circle of regional production and consumption was formed. And through solidarity with business that local residents join, social economy was being realized. However, there are still many problems spreading and sustaining consumer cooperative welfare. This study presents 3 development strategies against those. First, the practice of customized welfare according to life cycle was suggested so that welfare could be promoted by reflecting members and residents' various characteristics, as individualization strategy. Second, we suggested training an active member who can connect member to consumer cooperative organization, and training a specialist member who can complement the specialized activities of consumer cooperative, as specialization strategy. Third, we suggested a strategy of solidarity and mobilization of various resources that exist in the community at large in order to realize wider range of community welfare.

태양열 발전에 대한 IEA의 활동 및 전망

이현진,김종규,강용혁,Lee, Hyunjin,Kim, Jongkyu,Kang, YongHeack 한국교통대학교 융복합기술연구소 2012 융ㆍ복합기술연구소 논문집 Vol.2 No.1

1) 국제에너지위원회 IEA 산하 SolarPACES(Solar Thermal Power and Chemistry Energy System)는 태양열발전 및 화학 관련한 기술 개발 및 보급을 목표로 한국을 포함하여 현재 20개국이 활동 중이다. 2011년 우리나라는 집행위원회뿐만 아니라 6개 기술 분야 중에 태양열발전, 태양열화학, 태양열집광기술 및 적용 3개 분야에 참여하고 있다. 2) 2011년 기준으로 약 1.2GW 용량의 태양열 발전소가 전 세계에 설치되었고, 스페인 582MW, 미국 507MW로 대부분을 차지한다. 현재 미국 8GW, 스페인 4.46GW, 중국 2.5GW를 포함하여 전체 약 17GW 용량 발전소들이 건설 또는 계획 중에 있다. 3) 국제에너지위원회 IEA는 태양열 발전소는 태양광에 비해 약 1/3정도의 발전 용량을 갖겠지만, 열저장을 이용한 높은 가동시간을 바탕으로 2050년에는 태양광이나 바이오매스와 비슷한 수준으로 전기를 공급하여 전 세계 전기의 11.3% 정도에 이를 것으로 예측하고 있다. Concentrated Solar Power (CSP) is a renewable energy to generate electricity by using solar thermal energy as a heat source to drive turbines or engines for thermodynamic cycles. This paper introduces ongoing projects in SolarPACES(Solar Power and Chemical Energy systems) under the REWP(Renewable Energy Working Party) in the IEA(International Energy Agency). Then, the current status of international CSP markets and domestic activities is summarized. Finally, the CSP outlook by IEA and the key technological challenges to be overcome for its realization are presented.

스마트폰 센서를 이용하여 행동을 인식하기 위한 계층적인 심층 신뢰 신경망

이현진(Hyunjin Lee) 한국멀티미디어학회 2017 멀티미디어학회논문지 Vol.20 No.8

현재 기상 정보의 이동 평균을 사용한 태양광 발전량 예측

이현진(Hyunjin Lee) 한국멀티미디어학회 2016 멀티미디어학회논문지 Vol.19 No.8

Recently, solar power generation shows the significant growth in the renewable energy field. Using the short-term prediction, it is possible to control the electric power demand and the power generation plan of the auxiliary device. However, a short-term prediction can be used when you know the weather forecast. If it is not possible to use the weather forecast information because of disconnection of network at the island and the mountains or for security reasons, the accuracy of prediction is not good. Therefore, in this paper, we proposed a system capable of short-term prediction of solar power generation amount by using only the weather information that has been collected by oneself. We used temperature, humidity and insolation as weather information. We have applied a moving average to each information because they had a characteristic of time series. It was composed of min, max and average of each information, differences of mutual information and gradient of it. An artificial neural network, SVM and RBF Network model was used for the prediction algorithm and they were combined by Ensemble method. The results of this suggest that using a moving average during pre-processing and ensemble prediction models will maximize prediction accuracy.

스마트 도구 기반 일본어 음성수업 설계 및 실천연구: Padlet과 Notion을 활용한 실시간 원격수업 사례

이현진 ( Hyunjin Lee ) 사단법인 아시아문화학술원 2021 인문사회 21 Vol.12 No.4

본 연구의 목적은 스마트 도구를 활용한 원격 일본어 음성수업을 설계, 실시하여 학습자의 자율학습 및 상호작용을 지원하는 일본어 음성교육의 방법론을 제시하는 것이다. 먼저 원격교육과 상호작용, 학습자의 자율성에 관한 이론적 연구를 진행하였고, 스마트 도구 기반 음성수업을 설계하였다. 다음으로 A대학에서 실천연구를 진행하였고, 본 수업에 대한 학습자 인식을 알아보기 위해 질문지 조사를 실시하였다. 그 결과, 첫째, 학습자들은 음성수업의 ‘자기모니터 활동’과 ‘Padlet 게시 활동’에 대해 높은 만족도를 보였다. 둘째, 학습자들은 자신의 발음에 자신을 갖게 되었고, 발음을 의식하게 되었으며, 발음학습에 동기 부여를 받았다. 마지막으로 학습자의 자율기술 응답을 바탕으로 음성교육 설계의 개선점을 도출하였다. 본 연구는 포스트 코로나 19시대의 효과적인 원격교육을 위해 원격 음성수업을 설계하고 그 실천과정을 공유했다는 데 의의가 있다. This study aims to design and implement a remote Japanese pronunciation class utilizing smart educational tools to present a methodology of Japanese pronunciation teaching that supports learners’ autonomous learning and interaction. First, a theoretical study was conducted on distance education, interaction, learners’ self-monitoring, and pronunciation class was designed. Next, a practice study was conducted at A university, and a questionnaire survey was conducted. As a result, first, learners had high satisfaction with the ‘self-monitoring activity’ and ‘Padlet posting activity’ of the class. Second, they gained confidence in their pronunciation, became conscious of their pronunciation and became motivated in pronunciation learning. Lastly, this study drew out improvements in designing pronunciation education based on learners’ responses. The significance of this study is that it designed a distance pronunciation class for effective distance education and shared the process of its practice.

다차원 데이터에 대한 심층 군집 네트워크의 성능향상 방법

이현진(Hyunjin Lee) 한국멀티미디어학회 2018 멀티미디어학회논문지 Vol.21 No.8

적응적 정규화, 프루닝 및 BIC를 이용한 신경망 최적화 방법

이현진(Hyunjin Lee),박혜영(Hyeyoung Park) 한국멀티미디어학회 2003 멀티미디어학회논문지 Vol.6 No.1