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창업·취업교육이 대학생의 창업·취업의도 영향요인에 미치는 효과
김성우,강민형,Kim, Sungwoo,Kang, Minhyung 한국공학교육학회 2016 공학교육연구 Vol.19 No.4
This paper explores antecedents of entrepreneurial and job search intentions based on the theory of planned behavior. Additionally, it examines the impact of entrepreneurship and job search education on these antecedents of entrepreneurial and job search intentions. The research model has been validated by analyzing 1,432 responses from undergraduate students in South Korea. The results of analysis provide several findings: First, entrepreneurship attitude, entrepreneurship subjective norm, and entrepreneurship self efficacy showed significant positive effects on entrepreneurial intention, but their effects on job search intention were insignificant. Second, while job search attitude showed significant positive effects on both intentions, job search subjective norm showed a significant effect only on job search intention, and job search self efficacy showed a significant effect only on entrepreneurial intention. Third, entrepreneurship education increased all the antecedents of entrepreneurial intention, and reduced job search attitude. These results imply that entrepreneurship and job search education should be managed comprehensively, considering their cross-effects on the antecedents of entrepreneurial and job search intentions.
Impatience 특성을 고려한 군 긴급정비시스템 정비인력 최적할당 연구
김성우,Kim, Sungwoo 한국군사과학기술학회 2021 한국군사과학기술학회지 Vol.24 No.4
Impatience characteristics are an important factor to be considered in the defense field, which is sensitive to time, but there are not many cases applied. In addition, due to the difficulty of analysis that must consider various probabilistic factors (breakdown/maintenance distribution, impatience characteristics, etc.), military decision makers consider only simple data (number of occurrences per year, maintenance time, etc.) Therefore, in this study, a model capable of analyzing the performance of the emergency maintenance system for determining the appropriate size and organization of military and civilian maintenance personnel was presented in consideration of impatience characteristics and probabilistic factors. And through numerical analysis, the appropriate size of the military and civilian emergency maintenance teams was analyzed. This study is significant in that it can improve readiness of operational power and prevent waste of defense budget through efficient operation of the military's emergency maintenance system.
Down-Regulation of Aquaporin 4 in the Lithium-Treated Rat Brain
김성우(Sungwoo Kim),정용욱(Yong-Wook Jung) 대한해부학회 2007 Anatomy & Cell Biology Vol.40 No.4
리튬은 오래 전부터 양극성 정서장애를 치료하는 약제로 알려져 왔다. 그러나 최근에는 그 작용기전을 알 수 없으나 여러 실험을 통해서 리튬의 신경세포보호 작용이 알려지고 있다. 본 실험은 리튬의 전처치가 뇌부종을 일으키는 것으로 알려진 아쿠아포린4 단백질의 발현감소를 유도할 수 있는지를 알아보았다. 지속적인 리튬의 처치는 25일간 쥐 분말사료에 리튬을 40 mmol/dL 혹은 60 mmol/dL을 섞어 투여하였다. 혈장에서 리튬의 농도는 40+60 mmol/dL 투여군에서 0.60±0.1 mEq/L으로 임상적치료농도에 도달하였다. 리튬처리 후 뇌척수액과 뇌의 접촉면과 혈액-뇌장벽에서 농도에 따른 아쿠아포린4 발현의 감소가 관찰되었다. 따라서 리튬은 아쿠아포린4의 발현감소를 통하여 뇌부종을 치료 혹은 예방하는 약제로 사용가능하다는 것을 의미한다. Lithium has long been a primary drug used to treat bipolar mood disorder. Recently, in vivo and in vitro studies have demonstrated neuroprotective actions of lithium, even though therapeutic mechanisms of lithium remain obscure. The present study was undertaken to examine whether pretreatment with lithium can reduce the expression of aquaporin4 (AQP4) related to brain edema. Chronic lithium treatment was produced by pellet of standard diet containing 40 mmol/dL and/or 60 mmol/dL lithium chloride for 25 days. The serum concentrations of lithium were increased to 0.60±0.1 mEq/L in the 40 mM/dL and 60 mM/dL lithium treated rats which is therapeutic dose of clinical practice. After chronic lithium treatment, there was a dose-dependent down-regulation of AQP4 expression in the cerebrospinal fluid-brain interfaces and blood brain barrier. Down-regulation of AQP4 after chronic lithium treatment suggest that lithium may be used for the prevention or treatment of brain edema.
인공지능기술 활용 대화형 영어 학습 앱을 적용한 초등영어 말하기 수업 분석 : 학습자 몰입 및 수업에 대한 학생과 교사의 인식을 중심으로
김성우(Kim, Sungwoo),이삭(Lee, Sak) 한국초등영어교육학회 2020 초등영어교육 Vol.26 No.3
Developments in artificial intelligence such as natural language processing (NLP) and automatic speech recognition (ASR) are making it a viable option to incorporate AI-powered language learning applications into the classroom. Researchers and practitioners have started to experiment with a variety of speech technology for pedagogical use. However, little research has explored the benefits and limitations of applying the AI-based language applications to primary school English education settings. In this context, this research investigates students’ use of an artificial intelligence English conversational application with a specific focus on their engagement patterns. It also analyzes teachers’ and students’ perceptions of using the new technology in the classroom. Results suggest that the AI-enabled conversational application has potentials to enhance students’ engagement and extend their speaking time by boosting their curiosity, creating a sense of interacting with a human-like partner, and encouraging an active use of computer vision technology embedded in the application. To fully realize its pedagogical values, its limitations need to be addressed by improving the app features, tailoring its functionality to the students’ proficiency levels, and carefully integrating the application within the overall structure of the lesson.
자동차 에어컨 및 히터 사용 조건에 따른 배출가스 및 에너지소비효율에 관한 연구
김성우(Sungwoo Kim),이민호(Minho Lee),김기호(Kiho Kim),정충섭(Choongsub Jung) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
Eco-driving is the best of the ways to reduce fuel consumption as a driver"s effort because it has the merit that don"t need a initial facilities cost. So, many countries have been developing the ways of eco-drivng and conducting the campaign to promote eco-driving to their own citizen. In this paper, the fuel economy and the emission was measured to verify the effects reducing the blower strength of an air conditioner and a heater(HVAC) of a vehicle. The result showed that the way can decrease the rate of increase of fuel consumption and some emission caused by using HVAC.
직업훈련생의 진로정서조절, 결과기대, 진로통찰력에 대한 구조모형 분석
김성우 ( Sungwoo Kim ),안윤정 ( Yoonjung An ) 사단법인 아시아문화학술원 2021 인문사회 21 Vol.12 No.1
본 연구는 직업훈련생의 진로통찰력, 진로정서조절과 결과기대 간의 구조적인 관계를 분석하고자 하였다. 이를 위해 경기도 5개 직업훈련기관 훈련생 542명을 대상으로 설문지를 이용하여 자료를 수집하고 구조모형분석을 시행하였다. 연구 결과 첫째, 연령에 따라 진로정서조절의 진로주의집중 및 실천과 회피, 진로통찰력, 결과기대 등에 유의한 차이가 검증되었다. 둘째, 진로정서조절 하위변인과 진로통찰력, 결과기대 간에 상관관계가 확인되었다. 셋째, 진로정서조절 중 인지적 수용과 자기명료화가 진로통찰력에, 인지적 수용이 결과기대에 유의한 정적 영향을 보여주었다. 넷째 직업훈련생의 진로정서조절, 진로통찰력, 결과기대 간의 구조모형은 변인 간 구조관계를 예측하기에 적합한 것으로 드러났다. 본 연구를 통해 해당 직종의 직업훈련뿐만 아니라 관련 직업상담과 프로그램의 개입의 필요성을 제언했다. This study aimed to analyze the structural relationship among career emotion regulation (CER) and outcome expectation, career insight of vocational trainees. To this end, 542 trainees from five vocational training institutions located in Gyonggi-do collected data and conducted a structural model analysis using questionnaires. The results of this study are as follows: First, there were significant differences in the concentration and practice of career and avoidance in CER, career insight, and outcome expectation according to age. Second, the correlation among sub-variables of CER, career insight, outcome expectation was confirmed. Third, CER showed a significant positive effect on career insight and career expectation. Fourth, the fitness of the structural model between CER, career insight, and outcome expectation of vocational trainees was found to be suitable for predicting the structural relationship between variables.