Journal of the Korean Crystal Growth and Crystal Technology
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v.29
no.3
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pp.132-139
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2019
EPS (expanded polystyrene) is one of the most used building materials for insulation that is favored by its excellent heat insulation, economical efficiency and lightweight characteristics. However, EPS is vulnerable to the fire and producing large amount of toxic gases in case of fire. Therefore, ultra-lightweight geopolymer which can replace EPS is fabricated by using IGCC (integrated gasification combined cycle) fused slag and Si sludge as raw materials and the possibility of replacement on ultra-lightweight geopolymer for EPS as an insulation building material was evaluated in this study. Ultra-lightweight geopolymer can be fabricated with the pulverized IGCC fused slag having low carbon content and density, compressive strength, thermal conductivity were $0.064g/cm^3$, 0.04 MPa, and 0.072 W/mK, respectively. The thermal conductivity of ultra-lightweight geopolymer is 1.5~2.0 times higher than that of EPS suggested in the KS M 3808; however, the thermal conductivity value of geopolymer is meaningful and competitive to that of EPS in the market. Therefore, ultralightweight geopolymer can be applicable to the building material for thermal insulation purpose and have an enough possibility to replace EPS in the future because it is not only much safer than EPS in case of fire but also it can be fabricate by using waste materials from the industry.
The expansion of the performing arts market to include new genres of art that combine art and cutting-edge media technology has surpassed the limitations of traditional theatre art elements such as stage, costumes, lighting, sound, and props, allowing free expression of space-time and visual art. It is growing into a wide area with unlimited potential in the performing arts sector. In response to these changes and the demands of the time, there is an increasing demand for multi-talents who can plan and produce arts and technology-converged contents that will contribute to the development of the performing arts industry. As a result, university departments related to theatre art across the country feel that it is urgent to develop curricula that will enhance students' competency by incorporating the latest media technologies such as virtual reality, holography, and interactive motion sensors into the existing performance art visualization process. In this study, the author will examine the process of developing courses in technology-incorporated theatre art (design) through case studies of media technology-converged performances from the past 10 years. Based on the traditional concept of theatre art, the attempt to fuse stage art with media technology will be a cornerstone of attempts to foster a group of talented artists who transcend the limits of creative visual expression and creative value.
Purpose: The purpose of this study is to investigate a satisfaction survey of untact education and platforms that can be used for untact education to provide recommendations on future development of Education of Persons Conducting Clinical Trials. Methods: Online survey was distributed among students who have taken Untact Education of Persons Conducting Clinical Trials. The result was separated according to topic and descriptive statistics was used for analysis. The satisfaction survey used 10-point scale. Results: Of the 1,720 students who received the survey, 1,347 (78.3%) responded to the lecture satisfaction survey. The satisfaction level for broadcasting program (Kakao TV), an untact educational platform for the education of clinical trial workers at Kyung Hee University Medical Center, was relatively high with 8.09±1.99 points. Average score respondents recommending Kyung Hee University Untact Education of Persons Conducting Clinical Trials was 8.03±1.83 and customer recommendation score (Net Promotor Score) was 27.1%. Satisfaction level of the preferred training time was divided into weekday-morning (8-11 AM) (8.16±1.75), weekday-afternoon (12-4 PM) (7.73±2.07), weekday-evening (5-9 PM) (7.78±2.22), and weekend-morning (9-11 AM) real-time untact education (8.48±1.76) and analyzed. There was a noticeable difference between weekend-morning and weekday-afternoon (p<0.0001) and weekend-morning and weekday-evening (p=0.0001) real-time untact education. When asked about conducting education after COVID-19 pandemic ends, 79.2% (1,012 of 1,279) of the respondents answered that they prefer real-time untact education while 20.8 % (266 of 1,279) preferred face-to-face education. Conclusion: Online education, without time and space constraint, is expected to be the mainstream market in Korea for Education of Persons Conducting Clinical. Kyung Hee University Untact Education of Persons Conducting Clinical has achieved above average satisfaction using Kakao TV. Kyung Hee University Real-time Untact Education of Persons Conducting Clinical Net Promotor Score is 27.1%, which is above industry average, communication with trainees should be considered to improve Net Promotor Score.
Journal of the Korea Academia-Industrial cooperation Society
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v.22
no.3
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pp.697-706
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2021
The purpose of this study is to find out whether the many start-up support programs provided by a college can actually help students start a business, and to discuss what role colleges should have as facilitators of student entrepreneurship. To this end, a qualitative study was conducted with seven students who wished to start a business by utilizing start-up education and support programs provided by College Y. As a result of the study, the participants first mentioned parallel and administrative inefficiency in entrepreneurship and the entrepreneurship programs. Second, the implications for the role of colleges in fostering start-up content are systematic planning and guidance for start-up programs operated by the college, concise administrative procedures, mentoring in various start-up items, and securing a test market. It can be said that the concept of a common office in which students can work together is necessary. The study is significant in that it can help to establish a start-up support plan by suggesting what role colleges should play in relation to entrepreneurship, but its limitation is that its scope includes only one specific major.
This paper evaluates the new food policy adopted by the European Union to enhance the food safety after the mad cow crisis occurred in 1990's. Newly introduced rules at the EU level are characterized by two features. Firstly, an important part of them have the form of Regulation which is a binding legislative to all member countries. Secondly, most of them are horizontally applied to the whole food industry, irrespective of their kinds of performance, hygiene or labelling. According to theoretical studies on this topic, any food safety regulation for solving adverse selection problem or reducing negative externality in food consumption should be fine-tuning depending on the concrete demand and costs conditions of the food sector concerned. In this theoretical perspective, the food safety laws introduced at EU level after mad cow crisis have been over-regulated for improving social welfare. The true motivation for the transfer of the policy competence on food safety to the Union level is political rather than economic. Our analysis with a political economic perspective shows that how the EU food regulations have been embraced not only by the governments of member countries, but also by diverse interest groups like food processor & distributors, consumers and agro-livestock groups, and that they have been used as protectionist purpose specially against non-member developing countries. Taking into account the fact that the basic aim to form the Union is to establish a single market to enhance economic efficiency at the Union level, the EU is required to adopt some policy actions to reduce negative effects of too restrictive food safety regulations.
Sports events are not copyrighted and sports organizer's profit from sports events is not subject to intellectual property law in our legislation. Most other countries, except for France, do not also recognize sports organizer's profit as an intellectual property right. For this reason, legal grounds protecting sports organizer's profit must be found from current law such as tort law or Unfair Competition and Trade Secret Protection Act. It is irrefutable that these laws play a significant role in protecting sports organizer's profit by imposing restrictions on taking unfair advantage of others' efforts or investment. Nevertheless, protecting sports organizer's profit through such laws has its limits because sports events and relevant information outside the protection category of intellectual property law are considered as public domain. Therefore, introduction of sports organizer's intellectual property right through legislation will serve to faithfully protect sports organizer's profit. Even countries where spectator sports industry is fully in force actively discuss the issue of introducing sports organizer's intellectual property right. Intellectual property law, like other laws, is keenly subject to international trends due to market globalization and sensitively responds to the trends. I believe that further discussions are highly required about the introduction of sports organizer's intellectual property right that properly reflects international trends.
Recently, as retro restaurants began to appear nationwide, including Seoul, consumers are aware of the importance and use them according to the important factors of Servicescape and the use of SNS. The purpose of this study was to investigate the effect of Retro Restaurant's Servicescape and Customer Satisfaction, and the effect of SNS Trust in their relationship. Convenience sampling was used for customers with experience of using Retro Restaurant, which was recently created mainly in Seoul. The survey period lasted about one month from July 1, 2020, and the final 289 copies were used for analysis. The SPSS 21.0 statistical package program was used to verify the hypothesis. As a result of analysis, among the Servicescape factors of Hypothesis 1, attractiveness (β=.442, p<.001) and human service (β=.516, p<.001) had a significant effect on customer satisfaction. In the moderating effect of Servicescape and SNS Trust of Retro Restaurant in Hypothesis 2, attractiveness⁎SNS trust had a significant positive (+) influence. Accessibility⁎SNS trust had a significant negative (-) influence. Lastly, in the fierce food service industry environment, it aims to achieve a competitive advantage in the food service market through a differentiated servicescape such as Retro Restaurant. Through the SNS marketing strategy, the loyalty and re-visiting of customers visiting the restaurant is checked, and it is intended to be provided as useful data for establishing a customer-oriented marketing strategy.
This study analyzes the effects of companion animals on humans based on folk tales of righteous dogs in Hongseong. By targeting the theses and Hongseong righteous dog tales for this purpose, analyses of Ethnography and FGI(Focus Group Interview) were used among Qualitative Research Methods. According to research analysis, the impact of companion animals on humans was analyzed as emotional, economic, and cultural and environmental effects. In the case of emotional impact, the effect of companion animals on social sentiment is analyzed to have a positive effect in various classes, ranging from children and adolescents to the elderly and the socially vulnerable. On the economic aspect, SWOT analysis was attempted in connection with the rapid expansion of the companion animals industry, as represented by the Petconomy market, and analysis was attempted by focusing on cultural campaigns and tales that appeared in various cultural and environmental influences. The results of these studies suggest that this study is one that adds depth to the fact that it is the first attempt to analyze the culture and technology of companion animals, that it triggers the contribution of community development by analyzing the symbiotic relationship between companion animals and humans through the specific region, and that pets will have an emotional positive impact on human life in the era of the Fourth Industrial Revolution, when individualism will be maximized.
The purpose of this study is to examine the current operation condition of fashion start-up companies and the characteristics of their founders in Fashion Creative Studio that is one of government programs supporting fashion start-up of rising fashion designer's brands in Korea and one of supporting facilities. For this purpose, this study surveyed 32 fashion start-up companies founders in Busan Fashion Creative Studio and analyzed the data based on the survey. The results are as follows. First of all, 82% of the founders have experience to start their business in 20s and 60% of founders with not more than 3 to 5 years of work experience related to fashion challenge to start a business. Secondly, major distribution channels of the fashion start-up companies are mainly on-line open-market consisting of 36% and SNS is up to 80% as the main promotion method. In addition, exports to China account for 71% of all exports. Lastly, 33% of businesses consider viral marketing by influencer and 50% of them make plan to export their items to East Asia. It is of research significance that this study can suggest the successful direction of establishing and operating fashion start-up companies through making good use of Fashion Creative Studio, the supporting program including facility.
Journal of the Korean Recycled Construction Resources Institute
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v.8
no.4
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pp.520-527
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2020
Hwangtoh is the rich resource that accounts for about 15.0% of the domestic soil, and can be used as the admixture of concrete with Pozzolan characteristics if activated by rapidly freezing after burning with high temperature. In this study, the mortar curbs containing active hwangtoh were produced, based on the mixture for the mortar curbs sold on the market. The substitution rate of active hwangtoh were considered 10.0% and 25.0%, and the test items were selected to compressive and flexural strength tests, freezing/thawing resistance tests, accelerated carbonation tests, and accelerated chloride diffusion tests. In the results of the mechanical performance, it was showed that the highest strength was evaluated in OPC mixture, and the increase in strength was small by the increase of age, which was believed to be due to the fact that most of the strength in each mixture was created in three days of steam curing. The results of the freezing/thawing tests for 28 aged days showed the reduction rate of compressive strength was 85.0% or higher for all specimen, meeting the criteria presented. The accelerated carbonation tests were carried out on the specimen at 28 days of age, and the results showed that the mortar with active hwangtoh had lower carbonation resistance performance than mortar with OPC. The passed charge of each mixture was assessed in accordance with ASTM C 1202 on 28 and 91 aged days. The OPC mixture had "Low" rate and the mortar with active hwangtoh had "Moderate" rate. So it was thought that the mortar with active hwangtoh had appropriate resistance performance for chloride attack.
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