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통합 프로세스 엔지니어링을 위한 해양 프로세스 기본 설계 방법론
황지현,노명일,차주환,이규열,Hwang, Ji-Hyun,Roh, Myung-Il,Cha, Ju-Hwan,Lee, Kyu-Yeul 대한조선학회 2010 大韓造船學會 論文集 Vol.47 No.2
In this study, an offshore process FEED(Front End Engineering Design) method is systematically established to perform integrated process engineering for topsides systems of LNG FPSO(Floating, Production, Storage, and Off-loading unit) based on the concepts and procedures for the process FEED of general offshore production plants. First, various activities of the general process FEED engineering are summarized, and then the offshore process FEED method, which is suitable for application to all types of offshore oil and gas production plants, is proposed. Second, an integrated process engineering environment is built based on the proposed FEED method. Finally, the integrated process engineering environment is applied to topsides systems of an LNG FPSO in order to verify the validity and applicability of the proposed FEED method. As a result, it is shown that the proposed FEED method can be applied to the process FEED engineering of FPSOs and moreover will be able to contribute to perform successful offshore projects in the future.
황지현(Ji Hyun Hwang),조민영(Min Yeong Cho),강서진(Seojin Kang),이예슬(Ye Seul Lee),김연주(Yeon Ju Kim),송민재(Min Jae Song),황요셉(Yo Seb Hwang),박선아(Sunah Park) 다문화건강학회 2020 다문화건강학회지 Vol.10 No.2
The purpose of this study was to investigate the knowledge and attitudes toward advance directives among nursing students. Methods: A cross-sectional survey was used to gather self-reported data from 146 nursing students attending one university located in Wonju, Gangwon-do. As a measurement tool, knowledge of advance directives and the Korean version of attitudes toward advance directives were used. The collected data were analyzed by t-test, ANOVA, and Person s correlation coefficients. Results: The knowledge of advance directives of nursing college students was different according to grade(F=3.19, p=.026) and the experience of ethics education(t=3.78, p<.001). The attitudes toward advance directives was different according to experience of ethics education(t=2.80, p=.006). There was a positive correlation between the knowledge and attitudes towards advance directives, and it was statistically significant(r=.34, p<.001). Conclusion: A systematic and diverse educational program is needed to improve the knowledge and attitudes towards advance directives among nursing students
철근콘크리트 모멘트 골조 저층형 학교건축물의 내진성능 평가
황지현(Hwang, Ji-Hyun),박태원(Park, Tae-Won),한주연(Han, Ju-Yeon) 한국산학기술학회 2013 한국산학기술학회논문지 Vol.14 No.9
대부분의 학교 건물은 내진설계기준이 적용되기 이전인 1988년 이전에 설계되었으며, 이후에 지어진 학교의 경우도 내진설계 적용대상에서 제외된 5층 이하의 건물로서 내진성능이 없을 것으로 판단된다. 건물의 특성상 많은 아이들이 밀집하여 있고, 재난 시 대피시설로 이용된다는 점에서 학교 건물의 내진성능보유는 특히 중요하다. 본 연구에서는 우리나라 학교건물의 대표적인 유형을 모델구조물로 선정하여 학교건축물에 대한 내진성능 평가를 수행하였다. 보유강도와 보유성능을 기초로 내진성능을 평가한 결과 모두 내진성능이 미흡한 것으로 나타났다. Many school buildings are not applied seismic code because of small size structures. But it must be designed to show enough structural performance when subject to earthquake due to the fact that most of school buildings are generally used as public shelters when the natural disasters. In this study, the seismic risk of the reinforced concrete school building structure which is the most common types of school structures was evaluated by using the seismic performance evaluation methods. As a result, model structures don't have enough seismic performance.
급배기 방식 개선에 따른 생물안전 밀폐시설의 Risk Assessment와 초기 건설비 저감에 대한 연구
황지현(Ji Hyun Hwang),홍진관(Jin Kwan Hong),주영덕(Young Duk Ju) 대한설비공학회 2013 설비공학 논문집 Vol.25 No.10
In general, entire supply air of the BSL3 laboratory should be vented to the outside for its biosafety and the air conditioning system should always be operating to maintain a room pressure difference. In this regard, annual energy consumption is approximately five or ten times greater than the magnitude of the office building. In addition, to adjust room pressure difference to the set value efficiently, the supply and exhaust duct system are installed in each room of the BSL3 lab. Thus, initial construction cost is extremely high. In this study, multizone simulation is performed to estimate maintaining the appropriate room pressure difference in the case of changing model A (each room supply and exhaust system) to model B (each zone supply and exhaust system) for verification of the BSL3 lab biosafety. Also, in the case of these two models, the multizone simulation for three kinds of biohazard scenario is performed as part of risk assessment. The analysis of initial construction cost of two models is conducted for comparison. According to the studies, initial construction cost of model B is less than about 22% of existing model A. Moreover, biosafety of the BSL3 lab is still maintaining in the case of the two models.
수단적 일상생활 능력의 잠재유형 분석을 통한 중고령 발달장애인의 특성 및 지원 요구 탐색
민자영(ja young min),김기룡(Ki Ryong Kim),황지현(Ju Hyun Hwang),주영하(Young-Ha Ju) 한국장애인복지학회 2024 한국장애인복지학 Vol.63 No.-
이 연구에서는 중고령 발달장애인의 수단적 일상생활 능력을 잠재유형으로 분류하고 중고령 발달장애인의 특성과 지원 요구를 탐색하고자 하였다. 이를 위해 2023년 ‘발달장애인 일과 삶 실태조사’의 데이터를 활용하여 잠재 프로파일 분석 방법으로 중고령(40세 이상) 발달장애인과 청장년(40세 미만) 발달장애인의 수단적 일상생활 능력에 대한 잠재유형을 분류하고 그 차이를 비교하였다. 연구 결과 중고령 발달장애인의 수단적 일상생활 능력 잠재유형은 ‘높은 일상생활 능력 유형(53.3%)’, ‘낮은 일상생활 능력 유형(46.7%)’으로 분류되었다. 둘째, 청장년 발달장애인 수단적 일상생활 능력 잠재유형은 ‘높은 일상생활 능력 유형(38.1%)’, ‘낮은 일상생활 능력 유형(33.1%)’, ‘중간 일상생활 능력 유형(28.8%)’으로 분류되었다. 중고령 발달장애인은 청장년 발달장애인보다 ‘낮은 일상생활 능력 유형’의 비율이 더 높게 나타났고 수단적 일상생활 능력이 낮은 일상생활 능력을 갖고 있는 중고령 발달장애인이 청장년 발달장애인보다 일상생활에서 더 많은 도움을 필요로 하고 있음을 시사하고 있다. 이와 같은 연구 결과를 바탕으로 중고령 발달장애인의 지원 방안을 제언하였다. This study was to classify the instrumental activies of daily living(IADL) skills of middle-aged and older people with developmental disabilities into latent types and explore the characteristics and support needs of middle-aged and older people with developmental disabilities. Data were collected from the 2023 ‘Survey on the Work and Life of Persons with Developmental Disabilities’ to analyze the latent profile to determine the latent types of IADL of middle-aged and older (over 40 years old) and young (under 40 years old) people with developmental disabilities. As a result of the study, the latent types of IADL of middle-aged and older people with developmental disabilities were classified into ‘high daily living ability type (53.3%)’ and ‘low daily living ability type (46.7%).’ Second, the latent types of IADL for young people with developmental disabilities are classified into ‘high daily living ability type (38.1%)’, ‘low daily living ability type (33.1%)’, and ‘medium daily living ability type (28.8%)’. Middle-aged and older people with developmental disabilities showed a higher rate of 'low daily living ability type' than young people with developmental disabilities, and middle-aged and older people with developmental disabilities who had low IADL showed more skills in daily life than young people with developmental disabilities. It suggests that you need help. Based on these research results, support measures for middle-aged and older people with developmental disabilities were proposed.