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      • Synthesis of Tungsten Diselenide based on Self-Limiting Layer Synthesis

        Kyunam Park(박규남),Youngjun Kim(김영준),Jusang Park(박주상),Hyungjun Kim(김형준) 대한전자공학회 2017 대한전자공학회 학술대회 Vol.2017 No.6

        A process for the self-limited layer synthesis (SLS) of WSe₂ on SiO₂ substrates has been developed that provides systematic layer number controllability with micrometer-scale (>90 %) and wafer-scale (~8 cm) uniformity suitable electronic and optoelectronic device applications. This was confirmed by the fabrication and testing of a WSe2 back-gated field effect transistor (FET) using Pd (30 nm) as the contact metal, which exhibited p-type behavior with an on/off ratio of ~106 and a field-effect hole mobility of 2.2 cm2/Vs value, which was higher than has been reported for WSe2-based FETs produced by conventional chemical vapor deposition. On the basis of these results, it is proposed that the SLS method is universally applicable to a range of device applications.

      • KCI등재

        발달장애 아동부모의 사설특수체육교육기관 선택 시 브랜드 태도와 구매의도에 관한 연구

        박규남(Park Kyunam),양성지(Yang Sungjee) 학습자중심교과교육학회 2020 학습자중심교과교육연구 Vol.20 No.24

        본 연구는 발달장애 아동부모의 사설특수체육교육기관 선택 시 브랜드 태도와 구매의도를 분석하여, 직접 수요자인 부모의 욕구를 파악하여 기관 운영에 있어 실질적인 방안에 대한 자료제공에 목적이 있다. 연구대상은 발달·지체장애 아동부모로 현재 특수체육교육기관을 통해 교육을 진행하고 있는 아동의 부모이며, 구조화 시킨 조사도구를 사용하여 기관 원장을 통해 수렴하였다. 자료처리는 SPSS 21.0프로그램을 사용하여, 빈도분석(Frequency Analysis), 탐색적 요인분석(exploratory factor analysis), 신뢰계수(Cronbach’s ɑ), 상관관계분석(Correlation analysis), 다중회귀분석(Multiple analysis), 공선성 진단을 실시하였다. 연구결과는 브랜드태도가 구매(선택)의도에 모두 유의한 정(+)상관이 있는 것으로 나타났으며, 브랜드태도가 구매(선택)의도에서 부모의 연령, 가정조건 모두 양(+)의 유의한 영향이 나타났다. 하지만, 직업특성에서는 주부에서 유의한 영향이 나타나지 않았고 다른 직업특성에서는 모두 양(+)의 유의한 영향이 나타난 것으로 확인되었다. In this study, we analyze the brand attitude and purchasing intentions of parents of children with developmental disabilities when selecting a private special physical education institution, grasp the desires of parents who are direct consumers, and implement practical measures in institution management. There is a purpose in providing materials for. The subject of the study was the parents of children with developmental and physical disabilities who are educating through current special physical education institutions, and converged through the director using structured research tools. Data processing uses SPSS 21.0 program, frequency analysis (Frequency analysis), exploratory factor analysis (exploratory factor analysis), confidence factor (Cronbach sɑ), correlation analysis (Correlation analysis), multiple regression analysis (Stepwise) Regression analysis), co-linearity diagnosis was performed. Research results show that brand attitude has a significant positive (+) correlation with both purchase (selection) intent, and that brand attitude is the purchase (selection) intent of parents age and all conditions of the household (+). ) Has a significant effect. However, it was confirmed that the occupational characteristics did not show a significant effect on housewives, and that all other occupational characteristics showed a positive and significant effect.

      • KCI등재

        대학부속병원 응급실을 내원한 고령환자에서의 균혈증의 임상양상

        박승현,오동렬,이원재,박규남,이기중,황주일,김세경 대한응급의학회 1994 대한응급의학회지 Vol.5 No.2

        Bacteremia is an important clinical problem in the elderly and is a major factor contributing to the high morbidity and mortality attributable to infectious diseases in the geriatric population. In order to examine these issues in the elderly, we reviewed the clinical course and factors involved in the outcome of 54 episodes of bacteremia in patients over 65 years of age. The emergency department charts, hospital records and microbiology reports of 54 patients with a positive blood culture result during the period January 1991 to December 1992 were reviewed. Place of residence before hospital admission, source of bloodstream infection, and microorganism were analyzed. Antimicrobial therapy was defined as appropriate if initial therapy included one agent to which the isolate was sensitive. The following factors affecting mortality were analyzed: age, sex, underlying diseases, clinical parameters on admission, source of infection, microorganism isolated, and appropriate versus inappropriate antibiotic therapy. Most patients were female (61 percent), febrile (85 percent), tachypneic (98 percent), and had a neutrophilic response (65 percent). Gram-negative organisms accounted for 61 percent of isolates, with Escherichia coli (41 percent); 33 percent were gram-positive organisms, with Staphylococcus aureus (13 percent) the most common. The overall mortality was 28 percent; mortality was greatest in patients whose source of bacteremia was respiratory tract infection (67 percent). Several factors were associated with increased mortality: inappropriate therapy, age greater than 75 years old, S. aureus infection, respiratory tract infection, and the severity of underlying diseases. The data suggest that initial empiric antimicrobial therapy in the elderly be broad in scope and include coverage for S. aureus.

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