The purpose of this study is to understand the experiences of older adults living in the public welfare housing for the elderly and to examine what kind of this housing is as the housing alternative. Through the Robert Stake's intrinsic case study, it explored how older residents experienced this place, and how the relationships between residents, office workers, and community had been in the process, and what kind of issues were there. Various kinds of data, such as resident surveys, participant observations, interviews with 76 elderly residents and 4 office workers, and related newspaper articles, were analyzed using the thematic analysis method and methods suggested by Stake(1995). The results are presented as follows. First, it looked at who lived here and explored what was happening in this place where people of various backgrounds were gathered. Second, four types of life could be seen centering on the social relationship and daily life of older adults. Third, this study examined how the various ways of life were related to the main reasons for moving in here, and summarized how the residents perceived this place. The fourth and the fifth examined the relationships and dynamics among older residents, with office workers, and with the community, focusing on the two issues most commonly mentioned by residents. The results of this study show that, as a living organism, the interaction between the systems affects not only the culture of the housing, but also the lives of older adults. In particular, it can be seen how the perceptions of the practitioners are affecting the lives of the elderly. Based on the results of the study, further considerations were discussed.
One of the most important current features of food related industry is the growth of food delivery service. Another notable food related culture is, with the advent of Youtube, the popularity of Mukbang, which refers to content that records eating. Based on these background, this study intended to focus on two things. First, we tried to see the impact of Youtube Mukbang and the sentiments of Mukbang comments on the number of related food deliveries. Next, we tried to set up the predictive modeling of chicken delivery order with machine learning method. We used Youtube Mukbang comments data as well as weather related data as main independent variables. The dependent variable used in this study is the number of delivery order of fried chicken. The period of data used in this study is from June 3, 2015 to September 30, 2019, and a total of 1,580 data were used. For the predictive modeling, we used machine learning methods such as linear regression, ridge, lasso, random forest, and gradient boost. We found that the sentiment of Youtube Mukbang and comments have impacts on the number of delivery orders. The prediction model with Mukban data we set up in this study had better performances than the existing models without Mukbang data. We also tried to suggest managerial implications to the food delivery service industry.
Objectives: This study aimed to examine the safety, effects on proliferation of hair papilla cells, and anti-inflammatory and antioxidant mechanisms of Artemisia sieversiana Ehrh. ex Willd. (AS) extract. Methods: Safety tests through purity testing, acute toxicity tests, and repeated toxicity tests were performed using AS extract (ASE) which had been dried for over two years. Cell culture and proliferation tests were conducted; VEGF (vascular endothelial growth factor), bFGF (basic fibroblast growth factor), and EGF (epidermal growth factor) and protein expression analyses were performed for mechanistic evaluation; and inhibitory effects of ASE on the RNA expression of testosterone, 5𝛼-reductase, and aromatase was assessed. The anti-inflammatory and antioxidant efficacy of ASE was confirmed by measuring the levels of nitric oxide, inflammatory mediators (TNF-𝛼 and PGE2), inflammatory cytokines (IL-1𝛽, IL-6, and IL-8), and chemokine MCP-1. Results: The safety of ASE was confirmed. The mechanism of cell proliferation in human hair follicle dermal papilla cells involved the promotion of VEGF, bFGF, and EGF expression. ASE decreased mRNA expression of testosterone, 5𝛼-reductase, and aromatase-1 in a concentration-dependent manner. PGE2 and TNF-𝛼 production by inflammatory mediators was also significantly decreased in a concentration-dependent manner, and inflammatory cytokine and chemokine expression was inhibited. Conclusions: ASE is suggested to promote papillary cell growth at the cellular level, to suppress expression of various enzymes involved in hair cycle and cell death, and to inhibit hair loss through anti-androgen, anti-inflammatory, and antioxidant effects.
Kim, Jae-Hyun;Kim, Seok-Jung;Han, Jin-Tae;Lee, Seokhyung
Journal of the Korean Geotechnical Society
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v.37
no.11
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pp.37-49
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2021
Micropiles are widely used in construction field to enhance bearing capacity and reduce settlement of existing foundation. It has various benefits such as low construction expense, simple installation process, and small construction equipment. Recently, new microple equipped with the base expansion structure at the end has been developed to improve the foundation bearing capacity. The improvement of load capacity can be conceptually achieved by expanding the base expansion structure when a load is applied to the micropile. However, the expansion mechanism of the base expansion structure and the improvement of load capacity of the micropile were not yet experimentally validated. Therefore, in this study, a series of centrifuge model tests was performed to evaluate the effect of the base expansion structure on the improvement of load capacity. Two types of soil, sand and weathered rock, were prepared and the loading tests were performed using the real micropile with the base expansion structure. During the tests, the earth pressures surrounding the base expansion structure were monitored. As a result, when a load of 30 kN was applied to the micropile, the increase in the ratio of the horizontal to vertical pressure increment (∆σh/∆σ𝜈) ranged from 0.4 to 0.58 in sand and ∆σh/∆σ𝜈 = 0.19 in weathered rock, respectively. Therefore, it can be concluded that the increase in the horizontal earth pressure adjacent to the base expansion structure will improve the bearing capacity of the micropile.
Journal of Korean Library and Information Science Society
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v.53
no.3
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pp.47-72
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2022
This study identified the current status and degree of awareness of specialized libraries through a survey of public library employees in relation to specialized library projects supported and promoted by the Ministry of Culture, Sports and Tourism and local governments and sought policy directions to revitalize specialized libraries in the future. As a result of the analysis, local (region) was the most common specialized topic, but there were many places that selected topics according to the interest of policymakers. In the case of the data, less than 5% of the total books are specialized, and specialized subject-related programs account for more than 20% of the total library programs, providing an average of three to four programs, and operating personnel generally do not deploy dedicated librarians. When specialized topics meet regional characteristics, when there are separate buildings or specialized rooms, there are two to three dedicated librarians, at least 15% of specialized books, and more than five to six programs, the user's awareness and satisfaction were higher. In order to revitalize specialized libraries, it is necessary to secure additional books, organize differentiated programs, arrange exclusive librarians, provide subject-specialized education through the Korea Library Association and regional representative libraries, develop and distribute specialized and target service manuals, and secure a sufficient budget.
Different from 'Seyokwiryang' (歲易爲良 : fallowing as the best method) which was an agricultural technique of ancient China, fertilization of rice fields was already practiced in the end of Koryo age in Korea. 'Bunjongbeob'(糞種法 : fertilizer applicating method on seed) or 'Bunkwabeob' (糞科法 : fertilizer applicating method on each plant) was practiced before green manure of bean crops and 'Bunjeonbeob'(糞田法 : fertilizer practicing method on fields) were done. In the 15th century 'Dojeonbunjeonbeob'(稻田糞田法 : fertilizer applicating method on paddy) in 'Jikseol' was divided the materials to be used into the soil brought from another place, trees, grasses, and the manure. Also, it discribed the fertilization between first plowing and the second, and proper fertilization for particular soil conditions. In case of transplanting techniques, the fertilization practices were specified into nursery and rice fields, and restoration of organic matter was systemized by plowing for cultivation in the reclaimed areas. In the 17th century, through 'Jikseolbo'($\ulcorner$直說補$\lrcorner$), the habitual practice of Kyungsang province was systemized and 'Bunyangsool'(糞壤術 : technique of fertilization) of 'Jodoangkicheo' (早稻秧基處 : rearing fields of early-ripening rice) was completed. Specific things was the manufacturing and utilizing techniques of 'Bunhoe'(糞灰 : mixture of manure and ash), 'Yohoe'(尿灰 : mixture of urine and ash), and additional fertilizers. In the 18 to 19th century, the materials of fertilization were greatly enlarged to recover the waste lands and to support the reinforcement of soil fertility for increasing the system of two cropping a year. Also, 'Jeobunbeob'(貯糞法 : method of manure storage) and additional fertilization were emphasized, and use of wagons for it was emphasized to improve the theory of fertilization and working efficiency. As mentioned above, limitation of fertilizing materials was conquered by 'Dojeonbunyang'(稻田糞壤 : techniques of practicing fertilizers in paddy) and the system of additional fertilization was established. The fertilization methods were improved with 'Jeobunbeob' due to the theory and recognition necessary for high rates of fertilizers.
Journal of Family Resource Management and Policy Review
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v.26
no.4
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pp.39-52
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2022
The purpose of this study was to examine the workday leisure time of dual-income fathers and mothers with preschool children. Data were gathered from the Statistics Korea Life Time Surveys from 2004(y1) and 2019(y2) (n=2,697). Life time was composed of three types(inevitable time, compulsory time, and leisure time) and leisure time was categorized into 11 activities(voluntarism, participation, social relationships, religion, rituals, culture and tourism, sports, game and play, media, rest, and others) to investigate gender differences and time effects. The major results were as follows: First, both working fathers and mothers with preschool children spent less inevitable time, more compulsory time, and less leisure time, than other adult group. Second, fathers spent more time on 10 leisure activities except religion in y1, and on all activities than mothers in y2. In y2, less time on three activities(social relationships, rituals, and media) for both fathers and mothers, less time on religion for mothers only, more time on two activities(participation, game and play) for both groups were spent than y1. Third, in the regression analysis of fathers' and mothers' leisure time on three leisure activities(sports, game and play, and media) with a distinct pattern from leisure time for adult group between y1 and y2, socioeconomic variables and lifetime variables showed different effects by gender and waves. Based on the results, family policy and programs to improve the work-life balances of working fathers and mothers discussed.
Journal of Korea Entertainment Industry Association
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v.13
no.8
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pp.243-253
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2019
Geyonggi-geommu have developed based on the long history of Korean sword dance. Han Sung-joon, the great master of modern music and dance of Korea during the Japanese colonial period, collected and reconstructed folk dances that had disappeared or were cut off due to the policy to obliterate Korean culture through Chosun Music Dance Research Society. Since then, it has been passed down to Kang Sun-young and Kim Geun-hee that has designated as the Intangible Cultural Property No. 53. of Geyonggi-do in 2011. This study focuses on highlighting the uniqueness of Geyonggi-geommu for proper modeling and transmission of Geyonggi-geommu with historical significance so as to understand and preserve the Intangible Cultural Heritage. This study examines the transmission system of Geyonggi-geommu, followed by Kang Sun-young and Kim Geun-hee, originated by the master Han Sung-Joon of Geyonggi-geommu. Geyonggi-geommu has its uniqueness of using the pure Korean dance terminology established by the holder Kim Geun-hee at the time of designation of intangible cultural properties in Gyeonggi-do. The unique features of Geyonggi-geommu are performed and transmitted in two forms, Daemu(Group dance) and Holchum(Solo dance) which are not currently found in other regions. This is meaningful to passed down according to the original form of Geommu(Sword dance). In particular, the Holchum(Solo dance) is a form of artistic dance, showing the beauty of the sword dance during the Chosun Dynasty. In short, Gyeonggi-geommu can be described as an artistic dance with a soft and strong temperament considering its unique features.
Journal of Korea Entertainment Industry Association
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v.13
no.4
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pp.39-51
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2019
This study was tested on Ratafia Champagne Trouillard 1947 of old fortified wine and analyzed differences from existing wines. Old fortified wine in Champagne, France and blanding is Pinot Noir, Chardonnay and Pinot Meunier. Alcohol level is 18% and test date is Feb. 15-21, 2019(six days of decanting period/15 p.m. on the last tasting day). Tester is composed of one FICB grand commander one KOV Finland commander. The wine opening was tested for two blades after wire removal and the decanting time was applied to the calculation formula of 2019(this year)-1947(vintage year)/12=6 days set in this study. Aroma smelled like cherries, fruits, soy sauce and licorice and bouquet was identified in five stages. The first stage was presented with the smell of pot, the second stage was light coffee, the third stage smell of fruit and flowers, the fourth stage smell of wild honey and the fifth stage smell of refined brandy. Then, the test was analyzed in seven stages. This study has the following implications: First, the new concept of old wine was applied to fortified wine. Specific computational formulas for the decanting period were derived. The decanting presented five steps of aromas and bouquet. Wine testing has been expanded from the previous five to seven levels. A new taste of Champagne old fortified wine was analyzed.
Journal of Korea Entertainment Industry Association
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v.13
no.2
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pp.207-217
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2019
The purpose of this study is to examine the physical and psychological effects of lifelong physical activity and the role of leader capacity, to provide practical basic data on intangible benefits and to suggest ways to activate the value of lifelong physical education. This study was conducted from September 1, 2018 to September 30, 2018, with a total of 206 questionnaires centering on men and women participating in sports in Jeollanam do. The two-step approach proposed by Anderson & Gerbing (1988) was used to examine the structural relationships between physical benefits, social benefits, mental benefits, self efficacy benefits, leisure cultural benefits, physical effects, mental effects, Respectively. The conclusions of this study are summarized as follows. First, physical and leisure cultural benefits have a positive(+) direct effect on leader capacity. Second, self-efficacy benefits, physical benefits, and leisure cultural benefits have positive direct effects on physical effects. Third, self-efficacy and leisure culture benefits have a direct positive effect on mental effects. Fourth, leadership competence plays a mediating role in the relationship between leisure cultural benefits and physical effects. In addition, it has a mediating role in the relationship between leisure cultural benefits and mental effects. In order to maximize the quantitative expansion and qualitative improvement of living sports and to enhance intangible value of participants in sports for all, the private capital investment such as the training of competent leaders, the development of various programs, and the investment support in the public sector, We hope that the role of the new welfare service delivery system shared with welfare will be provided.
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