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홍지연(Jiyoun Hong),이금숙(Keumosook Lee) 성신여자대학교 한국지리연구소 2009 應用地理 Vol.- No.28
The purpose of this study is to investigate the relationship between passenger travel demand and land use in Seoul. In particular, we attempt to examine the impacts of the structural changes in the socio-economic environment in Seoul since IMF at the end 1990’s on the passenger flow patterns. In order to examine the dynamic interrelationships between the passengers at the subway station and thirty six land use variables, we develop twelve models with various combinations of three years(2000, 2003, 2006) and four different data units. By applying multivariate regression analysis, we obtain twelve log-linear regression functions. In order to develop better regression model which explain more the passenger flows, we check the determinant coefficient R² and selected explanation variables at each model. In general, models using Gu as the regional unit for the land use variables give better explanation for the subway passenger demand. We examine also the changes in the satial distribution patterns of passenger flows and land use variables selected commonly in the models as the major passenger travel generators. Significant changes are detected both in the passenger flows and in the land sue patterns during this period. In particular, major central functions which are related with travel demand generation show the big increase in the Gangnam CBD area same as passenger travel demand, while they have decreased in the old CBD in the Gangbuk.
20세기 초 까르띠에의 아르데코 주얼리 디자인 특징 연구
홍지연 ( Jiyoun Hong ) 복식문화학회 2018 服飾文化硏究 Vol.26 No.5
At the beginning of the 20<sup>th</sup> century, Cartier developed Art Deco jewelry designs that have been used as design inspirations to this day. The purpose of this study is to analyze the characteristics of the Art Deco jewelry designs of Cartier in the early 20<sup>th</sup> century. Regarding the research method, this study explored the jewelry designs from 1904 to 1939 by extracting 288 analysis subjects from Cartier’s exhibitions, auction picture books, and foreign books, and analyzed the characteristics in terms of design motifs, colors and materials. The results of the study are as follows. Regarding the design motifs, 73% were geometric motifs, and 66% were a combination of circular shapes and polygons, the most frequent. In terms of colors, 69% were chromatic in color, and vivid colors were mostly used in the order of red (24%), - green (19%), and - blue (14%). Of the materials, 92% of the metals consisted of platinum, and gemstones were used in the order of diamonds (41%), - onyx (13%), - emeralds (11%), - rubies (9%), and - sapphires (8%). In the early 20<sup>th</sup> century, Cartier’s Art Deco jewelry designs featured abstract and geometric motifs, vivid colors and strong contrasts, platinum and precious gemstones. This study is meaningful in that it explores the competitiveness of Cartier’s designs and provides practical ideas to combine Art Deco style with contemporary jewelry designs successfully.
Hong Seong-Min,Lee Eun Yoo,Park Jinho,Kim Jiyoun,Kim Sun Yeou 한국응용약물학회 2023 Biomolecules & Therapeutics(구 응용약물학회지) Vol.31 No.5
Muscle atrophy is characterized by the loss of muscle function. Many efforts are being made to prevent muscle atrophy, and exercise is an important alternative. Methylglyoxal is a well-known causative agent of metabolic diseases and diabetic complications. This study aimed to evaluate whether methylglyoxal induces muscle atrophy and to evaluate the ameliorative effect of moderateintensity aerobic exercise in a methylglyoxal-induced muscle atrophy animal model. Each mouse was randomly divided into three groups: control, methylglyoxal-treated, and methylglyoxal-treated within aerobic exercise. In the exercise group, each mouse was trained on a treadmill for 2 weeks. On the last day, all groups were evaluated for several atrophic behaviors and skeletal muscles, including the soleus, plantaris, gastrocnemius, and extensor digitorum longus were analyzed. In the exercise group, muscle mass was restored, causing in attenuation of muscle atrophy. The gastrocnemius and extensor digitorum longus muscles showed improved fiber cross-sectional area and reduced myofibrils. Further, they produced regulated atrophy-related proteins (i.e., muscle atrophy F-box, muscle RING-finger protein-1, and myosin heavy chain), indicating that aerobic exercise stimulated their muscle sensitivity to reverse skeletal muscle atrophy. In conclusion, shortness of the gastrocnemius caused by methylglyoxal may induce the dynamic imbalance of skeletal muscle atrophy, thus methylglyoxal may be a key target for treating skeletal muscle atrophy. To this end, aerobic exercise may be a powerful tool for regulating methylglyoxal-induced skeletal muscle atrophy.
홍성조(Hong, Sungjo),이경주(Lee, Gyoungju),최지연(Choi, Jiyoun) 한국부동산학회 2018 不動産學報 Vol.72 No.-
공간계획의 수립을 위한 계획권역으로 기존에는 행정구역이 널리 활용되었다. 그러나 최근에는 주민들의 행태에 기반한 생활권을 계획권역의 단위로 활용하고자 하는 움직임이 대두되고 있다. 이에 본 연구는 합리적인 방법으로 도시의 생활권을 설정할 수 있는 방법론을 개발하는 것을 연구의 목적으로 한다. 이를 위하여 본 연구는 주민들의 이동행태에 기반한 생활권을 설정하고 하며, 이를 위하여 가구통행실태조사와 설문조사 자료를 활용하였다. 먼저 중생활권의 도출에 적합한 목적통행을 도출하고, 통행패턴에 근거한 R-mode 요인분석을 통하여 생활권을 설정하였다. 이후에 설문조사결과와의 비교를 통하여 방법론의 타당성을 검정하였다. 수원시를 대상으로 한 분석결과 14개의 중생활권이 도출되었으며, 도출된 생활권의 평균면적은 8,47,126㎡, 평균인구는 74,313명이다. 도출된 생활권을 설문을 통하여 도출된 인지적 생활권과 비교한 결과 대부분의 지역에서 높은 일치비율이 도출되었다. 1. CONTENTS (1) RESEARCH OBJECTIVES The purpose of this study is to develop a methodology to derive the mid-size neighborhood unit. Especially, this study attempts to develop a easy-to-use methodology. (2) RESEARCH METHOD This study used R-mode factor analysis to classified mid-size neighborhood unit. And the validity of methodology was verified by comparison with the cognitive neighborhood unit derived from the survey. (3) RESEARCH FINDING Suwon is made up of 14 mid-size neighborhood units. And the average area of these units is 8,47,126㎡ and the average population is 74,313. 2. RESULTS The analysis results are summarized as follows. First, as a result of R-mode factor analysis, 14 mid-size neighborhood units were derived. Second, these neighborhood units were similar to the cognitive neighborhood units derived from the survey. However, there was a difference in areas where large-scale development was made or areas where undeveloped areas were widely distributed.