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김혜림,김신,이홍림,Kim, Hye-Lim,Kim, Shin,Lee, Hong-Lim 한국세라믹학회 2002 한국세라믹학회지 Vol.39 No.6
Perovskite 구조를 나타내는 L $a_{0.6}$B $a_{0.4}$I $n_{1-y}$ $M_{y}$ $O_{3{\delta}}$(M=G $a^{3+}$ , S $c^{3+}$ , Y $b^{3+}$ )계 조성의 생성상과 proton 전도성을 관찰하였다. G $a^{3+}$ 이온이 25at% 첨가된 조성은 입방정 단일상을 나타낸 반면 50at% 첨가된 조성에서는 입방정상과 이차상이 함께 생성되었다. S $c^{3+}$ 이온 및 Y $b^{3+}$ 이온이 25at%와 50at%씩 첨가된 조성은 모두 입방정 단일상을 나타내었다. 양이온을 25at% 첨가한 조성에 대해 wet $N_2$ 분위기(P $h_{H_2O}$=6.1hPa)에서 전도도를 측정한 결과, S $c^{3+}$ 이온 및 Y $b^{3+}$ 이온이 첨가된 조성은 proton 전도를 나타내었다. Phase formation and proton conduction of L $a_{0.6}$B $a_{0.4}$I $n_{1-y}$ $M_{y}$ $O_{3-{\delta}}$(M=G $a^{3+}$, S $c^{3+}$, Y $b^{3+}$) system were studied. A cubic perovskite structure with a single phase was formed in all of the compositions of this work except for the composition off=G $a^{3+}$ with y=0.5, viz,L $a_{0.6}$B $a_{0.4}$I $n_{1-y}$G $a_{0.5}$ $O_{3-{\delta}}$ For the compositions of M=S $c^{3+}$and Y $b^{3+}$with y=0.25, proton conduction occurred in wet $N_2$ atmosphere(P $h_{H_2O}$=6.1hPa).X>/=6.1hPa).Pa).
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김혜림 ( Hye Lim Kim ),최영진 ( Young Jin Choi ),곽춘종 ( Choon Jong Kwak ),김기석 ( Ki Seog Kim ) 한국경영공학회 2014 한국경영공학회지 Vol.19 No.4
This paper aims at improvement in core competencies of food service providers by using Quality Function Deployment and Fuzzy Set Theory. This research identified customer requirements through customer surveys and monitoring customer feedback and determined service characteristics by expert interviews for the quality function deployment. In addition, the fuzzy set theory was applied to transforming vague and subjective customer requirements into clear and objective numerical values. The top management and managers of food service providers can identify the priorities for improvement in service characteristics, on which they can focus.
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유형별 도시공원 접근성이 주택 가격에 미치는 영향 : 산지형 도시공원과 평지형 도시공원을 중심으로
김혜림(Kim, Hye-Lim),홍성조(Hong, Sungjo) 한국주거환경학회 2021 주거환경(한국주거환경학회논문집) Vol.19 No.2
도시에서 공원과 같은 오픈스페이스의 중요성이 증가하고 있다. 이에 따라 공원 접근성은 주택의 가격에 정의 영향을 미치는 것으로 잘 알려져 있다. 그러나 공원의 유형과 주택가격의 관계를 분석한 연구는 찾기 어렵다. 이에 본 연구는 도시공원을 산지형 공원과 평지형 공원으로 구분하고, 유형별 공원 접근성이 주택가격에 미치는 영향을 분석하였다. 연구의 공간적 범위는 청주시이며, 시간적 범위는 2018년이다. 주택가격을 종속변수로 하는 헤도닉 모형을 연구방법으로 이용하였다. 연구의 결과를 요약하면 다음과 같다. 첫째, 산지형 공원 접근성과 평지형 공원 접근성은 모두 주택 가격에 유의미한 양의 영향을 미친다. 둘째, 산지형 공원 접근성이 주택 가격에 미치는 영향이 평지형 공원 접근성에 비해 크다. 셋째, 공원의 면적은 주택가격에 유의한 영향이 없었다. The importance of open spaces such as parks in cities is increasing. Accordingly, it is well known that accessibility to parks has a positive effect on housing prices. However, it is difficult to find a study analyzing the relationship between the type of park and the housing price. Therefore, this study classified urban parks into mountainous parks and flat parks, and analyzed the effect of park accessibility by type on housing prices. The spatial scope of the study is Cheongju, and the temporal scope is 2018. A hedonic model with house price as a dependent variable was used as a research method. The summary of the results of the study is as follows. First, both accessibility to mountain parks and flat parks have a significant positive impact on housing prices. Second, the effect of accessibility to mountainous parks on housing prices is greater than accessibility to flat parks. Third, the area of the parks had no significant effect on the housing price.
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김혜림(Kim, Hye Lim),문태헌(Moon, Tae Heon),강성원(Kang, Seong Won) 한국주거환경학회 2022 주거환경(한국주거환경학회논문집) Vol.20 No.2
Starting in September 2007, 10 Innovation Cities were created across the country. Although there are positive evaluations of them in terms of enhancing balanced national development and vitality of the local cities, there are also criticisms on living or business environment. It is necessary to monitor the phenomena occurring in the Innovation City and find the customized revitalization strategies. This study analyzed the floating population and self-sufficiency of Gyeongnam Innovation City. The floating population between surrounding regions and Innovation City was analyzed by dividing it into the whole country, Gyeongnam, and Jinju. As a result, there was a large amount of inflow from the Seoul metropolitan area and the large cities in the Dongnam area. In Gyeongnam, the outflow was higher than the inflow. In Jinju, to which Gyeongnam Innovation City belongs, accounted for more than 80% of inflow and outflow. The amount of inflow and outflow in Jinju was large in Eup, Myeon, and Dong adjacent to Gyeongnam Innovation City. In addition, it was found that there were more inflows and outflows in the afternoon than in the morning and on weekend than on weekdays. The job-housing ratio was 0.789, the internal employment ratio was 0.836, and the self-sufficiency index was 2.245, indicating high self-sufficiency. As the number of jobs increased due to the creation of the innovation city, the number of economically active population and the number of jobs were balanced. However, in order to further increase the rate of relocation with families, it is necessary to reinforce support measures such as the creation of higher level of education and better living environment, and economic support.
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