Journal of the Korean Institute of Landscape Architecture
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v.48
no.3
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pp.54-65
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2020
This study examines history, usage, and spatial change of Cheoldo Park and its significance in the park planning in the Japanese colonial period focusing on the concept of a sports park. Cheoldo Park was verified as the first newly planned park built during the Japanese colonial period and continuously appeared in the official planning documents with different names and areas as a new planned park. This suggest that changes of Cheoldo Park reveal the important conceptual transition in the park planning. Activities in the park were understood by analyzing news paper articles and pictures, while spatial changes of the park were analyzed through maps and aerial photos. Changes in a park planning process were examined through analyzing the planning documents and maps. Cheoldo Park was opened in 1915 as a supporting facility of the Yongsan rail company residence complex. As Cheoldo Park became one of the urban parks of Gyeongseong in 1925, it had functioned as one of the main sports complexes of Gyeongseong. Although a sports park was suggested as a new type of urban park in the 1930's park plan, the programmatic aspect of a sports park was not distinctly defined yet. Cheoldo Park was not regarded as a sports park in the 1930's park plan. As a sports park was distinguished from other types of urban parks pro grammatically in the 1930s, the city tried to transform Cheoldo Park into a sports park. In the park plan of 1940, with major spatial expansion, Cheoldo Park became Ichon Park to be a main large park and sports park of Gyeongseong. Cheoldo Park contributed to the establishing a new direction of modern park planning, shifting from planning focus on quantitative improvement to qualitative improvement of urban parks. It also provided a realistic model to implement the park plans to overcome various limitations of the Japanese colonial period.
Journal of the Korean Institute of Landscape Architecture
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v.46
no.1
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pp.127-142
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2018
Ttukseom was once a suburban area that had a government horse ranch for national use and a naenogpo (area of royal farm land). During the Japanese colonial period, a pleasure ground was built at Ttukseom, and after independence, it has been used as a park through the process of urbanization. This study examines the creation of the Ttukseom Pleasure Ground and the process through which the pleasure ground were transformed to a park. This study also explores its landscape and cultural aspects. In the 1930s, Gyeongseonggwedo (京城軌道), a private railway company, built a pleasure ground at Ttukseom to attract passengers, according to the business model of Japanese railway companies, in which recreational areas were developed near railway routes. Mass media portrayed this area as a "rural landscape" in contrast to the city. The Ttukseom Pleasure Ground emerged as a popular summer resort for Gyeongseong citizens. At the same time, it was managed by Gyeongseongbu (京城府). The city of Seoul began to manage the Ttukseom Pleasure Ground following independence, and development plans for Ttukseom as a pleasure ground or a park were continuously drafted but never implemented. Even after Korea's independence, the operation and use of the pleasure ground did not change significantly from the colonial era. In the late 1980s, the Ttukseom Pleasure Ground became the Ttukseom Han River Citizen's Park, and the sandy beach of the Han River was removed. Nonetheless, the previous facilities and major activities such as an open-air swimming pool, camp ground, and areas for boat recreation remained as major park programs. When the urbanization of Ttukseom was completed, its idyllic image disappeared and it became a park instead of a pleasure ground. Since parks expand their programs, it can be concluded that by providing those kinds of programs, the Ttukseom Pleasure Ground transformed to a park.
Journal of the Korean Society for Library and Information Science
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v.54
no.2
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pp.5-28
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2020
This study was conducted to discuss concrete ways to contribute to the sustainability of the planet by actively applying and using digital and IT resources in libraries. To this end, a survey was conducted for librarians of public libraries, and the results were as follows. First, librarians' awareness of the seriousness of environmental problems and the degree of eco-friendly activities were very high, but their awareness of library green IT and familiarity with eco-related terms were very low. Nevertheless, there was a high degree of agreement on the importance of applying green IT to libraries. Second, the areas evaluated as having the highest contribution to eco-friendliness and greening of the library were found in the equipment and product operation area, followed by the service area and the network and system area. Third, how do you think library green IT will have a social impact? The highest opinion was given that it could increase the awareness of the library's social responsibility as a social infrastructure. In conclusion, it seems that the library's green IT can contribute to improving library perception by making the public perceived as an institution that has a social responsibility as a social infrastructure.
The purpose of this study is to examine the influence of LOHAS images of Japanese restaurants on customers' menu selection and satisfaction to provide useful information on proposing detailed marketing directions by deriving the importance and satisfaction factors of LOHAS images and to suggest practical and effective measures for using LOHAS images to improve menus at Japanese restaurants. The results of the study are as follows. First, as a result of examining hypothesis 1, "LOHAS images will influence essential factors," it was found that healthy ingredient, family-oriented, eco-friendly, sustainability, and energy-saving factors were influential. With greater family-oriented, sustainability, healthy ingredient, and eco-friendly factors in LOHAS image, interests in essential factors increased. Second, family-oriented, energy-saving, social-oriented, and sustainability factors in LOHAS image had a significantly positive impact on the environmental factors of menu. Third, eco-friendly, sustainability, family-oriented, energy-saving, healthy preparation, and healthy ingredient factors in LOHAS image had a significantly positive impact on customer satisfaction. Fourth, essential factors in the selection attributes of Japanese restaurant menu had a significantly positive impact on customer satisfaction. Fifth, environmental factors in Japanese restaurants had a significantly positive impact on customer satisfaction. The significance and limitation of this study are: first, Japanese restaurants would be able to build a better image with customers by providing menu items that are family-oriented, sustainable, and energy-saving. Second, it would be necessary to study how LOHAS factors influence customers' general purchase decisions and psychological factors.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.9
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pp.94-101
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2016
With increasing global concerns for environmental impacts, efforts have been made to encourage a modal shift from road freight to an eco-friendly transport system such as rail freight. In Korea, the government has set master plans for a green transport system but has not taken any substantial action to promote rail freight transport. In developing policies and actions to promote rail freight, quantitative studies on environmental impacts among transportation means are essential. This study examined the air pollutant emissions and greenhouse gas (GHG) emissions per unit freight transported by road and rail, respectively. To improve the accuracy, we analyzed emission data and freight transport mileage of rail freight considering diesel locomotives and electric locomotives separately. The results show that unit air pollutant emissions (except SO2) from road freight are about 7~15 times more than those from rail freight. In addition, the GHG emission unit of road freight is about 4 times higher than that of rail freight.
Yea, Geu Guwen;Yun, Dae Hee;Yun, Do Kyun;Choi, Yongkyu
Journal of the Korean Geotechnical Society
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v.35
no.8
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pp.31-42
/
2019
A total of 73 pile design data for prebored PHC piles was analyzed to study the current design method. Based on the design data, a ratio of skin friction to total capacity from the pile design data was about 20~53%. Such low ratio of skin friction to total capacity tends to underestimate skin friction. Considering this tendency, the current design method should be improved. Also, an average design efficiency of PHC pile capacity was 70% and an average design efficiency for bearing capacity of soil or weathered rock was 80%, which shows slightly higher value than the former. This is probably due to the fact that the allowable bearing capacity is estimated to be equal to or slightly higher than the design load. Hence, the allowable bearing capacity should be estimated to be higher than the long-term allowable compressive force of the PHC pile. In the current design method, skin friction is calculated to be about 2.2 times lower than end bearing. The current design method for prebored PHC piles applied foreign design methods without any verification of applicability to the domestic soil or rock condition. Therefore, the current design method for prebored PHC piles should be improved.
The aim of this study was to investigate the influence of self efficacy, emotional labor, and social support on job center workers' psychological burnout. The data in the study were collected from 132 workers who work for job center in Busan, Ulsan, Gimhae, and Jinhae, and Self-Estimate Inventory, Emotional Labor Scale, Social Support Scale, and Maslach Burnout Inventory were used. Correlation analysis and multiple regression analysis were applied for data processing. The results of the study are as follows. First, the study found a correlation between job center workers' self efficacy and psychological burnout, with higher self efficacy being less burnout. This shows that self efficacy has an meaningful influence on job center workers' psychological burnout. Second, it also found a correlation between job center workers' emotional labor and psychological burnout, with higher emotional labor being more burnout. However, multiple regression analysis indicates that frequency of emotional display, attentiveness to required display rule, and emotional dissonance which are sub-factors of emotional labor have a negative influence on psychological burnout. Third, it found a correlation between job center workers' social support and psychological burnout, with higher social support being less burnout. Among sub-factors of social support, material support and evaluative support have a meaningful influence on psychological burnout statistically. Fourth, it showed that self efficacy has a high influence on psychological burnout. This research suggests to provide basic materials which are a great help to study job center worker's psychological burnout, and proposes to arrange various program for developing human resources of job center as a public employment organization.
Visual perception information acquired through human eyes contains much information on how to view visual stimuli using eye tracking technology, it is possible to acquire and analyze consumer visual information as quantitative data. These measurements can be used to measure emotions that customers feel unconsciously, and they can be directly collected by numerically quantifying the character's search response through eye tracking. In this study, we traced the character's area of interest (AOI) and found that the average of fixation duration, count, average of visit duration, count, and finally the time to first fixation was analyzed. As a result of analysis, it was found that there were many cognitive processing processes on the face than the character's body, and the visual attention was high. The visual attention of attraction factor has also been able to verify that attraction is being presented as an important factor in determining preferences for characters. Based on the results of this study, further studies of more characters will be conducted and quantitative interpretation methods can be used as basic data for character development and factors to be considered in determining character design.
Lee, Wonje;Kim, Chae Min;Yun, Do Kyun;Choi, Yongkyu
Journal of the Korean Geotechnical Society
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v.35
no.9
/
pp.29-36
/
2019
Axial compressive failure loads ($P_n$) of diameter 500 mm and diameter 600 mm A type PHC pile were calculated as 7.7 MN and 10.6 MN, respectively. In the static pile load tests, the maximum axial compressive loads of the above 2 kinds of A type pile were measured as 6.9 MN and 8.8 MN respectively, therefore these measured maximum loads were at the level of 90% and 83% of $P_n$ respectively. Long-term allowable axial compressive loads ($P_a$) of the above 2 kinds of A type pile were 1.7 MN and 2.3 MN respectively. From the bi-directional pile load test data on the prebored PHC piles, it was confirmed that the allowable axial compressive bearing resistance was estimated as 131% of the long-term allowable compressive load of the PHC pile and showed higher than the allowable bearing capacity calculated by the current design method. Therefore, it has been verified that the PHC pile can be used up to the maximum long-term allowable compressive load, and it is suggested that the ultimate pile capacity formula used in the current design for prebored PHC piles should be improved to accommodate the actual capacity.
Lee, Jin Young;Dong, Jaekyung;Chung, Yuseong;Kim, Mi-Ryung;Kang, Jae Seon
Journal of Life Science
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v.29
no.10
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pp.1086-1095
/
2019
This research was performed to develop a new material consisting of a mixture of Red Allium cepa (RA) Cucurbita moschata duch (CM), and Angelica gigas Nakai (AG). RA and CM have low storage stability because of their high moisture content. Therefore, their major components were extracted and used for the research after a content analysis. In order to overcome these limitations, the quercetin from RA, ${\beta}-carotene$ from CM, and decursin/decursinol angelate (D/DA) from AG were separately extracted, and the biochemical activity of each extract and mixture was compared. RA was bioconverted by the Bacillus subtillis KJ-3 (BS3) after ethanol extraction. After bioconversion, the quercetin content of RA was increased by 128.9%. ${\beta}-carotene$ was detected in the CM ethanol extract and its content was very low concentrations at 0.2 mg/g. The AG ethanol extract (1 mg) contained 0.4146 mg and 0.3659 mg of D/DA, respectively. The purity of the D/DA was found to be about 78%. The flavonoid and polyphenol content of each extract and their mixtures (mixture 1 (RA:CM:AG = 5:2:3), mixture 2 (RA:CM: AG = 3:5:2), and mixture 3 (RA:CM:AG = 3:2:5)) were measured. In addition, the cell survival rate, anti-inflammatory activity, and antioxidant ability were also evaluated. In all the results, the antioxidant activity of mixture 3 was most effective. Therefore, these findings provide basic data for future food development using a 3:2:5 mixture of RA, CM, and AG.
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