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이강주 ( Kang Ju Lee ),이나경 ( Na Gyung Lee ),주현정 ( Hyun Jeong Ju ),박선화 ( Sun Hwa Park ),임차영 ( Cha Young Lim ),오효원 ( Hyo Won Oh ),이흥수 ( Heung Soo Lee ) 대한예방치과·구강보건학회 2013 大韓口腔保健學會誌 Vol.37 No.4
Objectives: This study investigated the busyness of dentists and analyzed factors related to busyness in these professionals. Methods: The subjects were 243 practicing dentists. Surveys were carried out via mail. Busyness was measured by using the Mumma scale. The data were analyzed using the Kruskal-Wallis test. Results: The dentists` busyness index was 1.91. Of the participants, 40% of practicing dentists wanted more patients, 30.8% did not overwork but did not want more patients, and 27.1% overworked and did not want more patients. The busyness index was significantly related to the number of dental hygienists and dentists. However, it did not differ with respect to the number of assistant nurses. Conclusions: The busyness index should be considered when developing relevant human resource plans.
이강주(Kang-Ju Lee),구성영(Seoung-Young Koo),김동욱(Dong-Wook Kim) 전력전자학회 2009 전력전자학술대회 논문집 Vol.2009 No.1
본 논문은 현대중공업에서 추진하고 있는 1.65MW급 풍력터빈에 적용된 이중여자 권선형 유도발전기 제어를 위한 핵심장치인 전력변환 장치 기술개발에 대해 기술한다. 1.65MW DFIG 제어를 위해 Back-to-back IGBT Converter를 설계하고, 방열을 위해 수냉식 구조를 갖는 전력스택을 채택하였으며, 풍력터빈에 의해 발전된 전력을 계통에 연계하기 위한 제반 기술과 Grid-code에 대응하기 위한 제어알고리즘등이 반영된다.
이강주(Lee, Gahng-Ju) 대한건축학회 2016 대한건축학회논문집 Vol.32 No.1
This research is an alternative attempt about commercialization all the places in cities. The proposal indicated by deducting not only theoretical approach but also design production, and the research is progressed with three steps to accomplish those. First step is theoretical study that becomes conceptual foundation of design. This paper refers to ‘Éléments de rythmanalyse’ by Henri Lefebvre. Early he awakened the harsh reality to naïve architects and urban planners by ‘La production de l’espace(1974)’, additionally he raised presentation of problems about our field in his posthumous work ‘Éléments de rythmanalyse’. He was an extraordinary philosopher who deeply thought about relationship between people and space. Second step is extractions of the planning tools that actually can be apply to the design process. This step is for preparing elements to transform theoretical and abstract concepts into practical structure of architecture and people’s activity. For this, we contemplated Lefebvre’s practical analyses and then set up detailed methods categorizing two parts; activity program and physical tools. Final step is implementation of the design for public underground space. In order to arrange this step, primarily we obtained required basic data through site survey and reviewing materials that related with plans. Also, we suggested the public underground space which composed with ‘Central Boulevard & Meeting Street’, ‘History Plaza & Archive’, ‘People’s Round & Art Hall’, ‘Communion Hall’, and ‘Great Vacant’ by applying detailed methods that constructed from previous steps.