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조영상,최호석 한국화학공학회 1990 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.28 No.3
분리탑에 대한 정상상태에서의 차수감소모델(reduced order model)을 개발하였다. 차수감소모델의 정확도를 확인하기 위해서 차수감소모델의 결과를 정밀모사결과(rigorous tray-by-tray model)와 비교해 보았으며, 그 결과 차수감소모델의 정확도를 확인할 수 있었고, 또한 상당한 계산시간의 감소를 확인할 수 있었다. Reduced order steady state models for separation columns are developed. The accuracy and efficiency of the reduced order models are also demonstrated by comparing the simulation results obtained by using the reduced order models with rigorous tray by tray calculations.
조영상,김가영,설혜윤,김은연,문일준 대한이비인후과학회 2021 Clinical and Experimental Otorhinolaryngology Vol.14 No.2
Objectives. The aim of this study was to investigate the current university admission rate and experiences of educational support among students with cochlear implants (CIs) in South Korea. Methods. A prospective online survey was conducted to examine the university admission process and academic support for students with CIs. Thirty individuals who took the college entrance exams at least 3 years after CI surgery were invited to participate, although two did not respond. The survey consisted of three topics (demographics, university admission process, and academic support) and 25 items regarding laws and policies related to university admission and support for students with hearing disabilities in Korea. Results. The university matriculation rate for students with CI was 85.7% (24/28), of whom 50% were admitted through the special admission process for students with disabilities. Most universities provided teaching and learning support and rental services for assistive devices for students with disabilities to help them better adapt to school life. However, only a small percentage of the students benefited from accommodation services, and 62.5% and 12.5% of the students received teaching and learning support and used assistive devices, respectively. Conclusion. To the best of our knowledge, this is the first study to investigate the university admission process and university disability services for students with CIs in South Korea. The results of this study will be helpful for young CI recipients and their parents as they prepare for university entrance.
조영상,Andrew Richards,Stuart Jones 한국교양교육학회 2019 교양교육연구 Vol.13 No.4
The purpose of this study is to investigate Korean university students’ perceptions of how the fourth industrial revolution (4IR) technology (e.g., Artificial Intelligence, Big Data, and Augmented Reality/ Virtual Reality) will contribute to current and future general English (GE) education at Korean universities in the era of 4IR. Data were collected from 177 university students who were taking GE classes at a Korean university at the time this study was conducted, and a survey questionnaire which includes multiple choice, Likert scale, and open-ended questions, was used as the main data collection method. Data were analyzed by following descriptive statistics and the general qualitative data analysis method. The findings of this study show that students perceive that some, but not all problems that current GE classes have could be fixed by the 4IR technology. In addition, they believe that the development of 4IR technology will drive a change of the future GE education, but some aspects of current GE classes (e.g., their mandatory status at university and learning in an offline context) and the roles of human agents (e.g., students’ ownership of their English learning and human teachers’ different roles to AI teachers’) should be valued in the future GE classes. Educational Implications of the findings and limitations of the study are also discussed.
Do Retail Regulations Protect Traditional Markets as Well as Independent Stores in Korea?
조영상,정락채,박종호 한국유통과학회 2014 유통과학연구 Vol.12 No.9
Purpose –This study is to measure the effects of retail legislations on small retailers and traditional markets. Research Design, Data, and Methodology - The authors have developed a questionnaire with five hypotheses on the basis of previous research results and six constructs: the improvement of sales volume, the number of customers, the improvement of store traffic, the increase of store staff, business expansion and retail regulation. Furthermore, the research has adopted a five-point Likert-scale technique. In order to increase research reliability as well as validity, the authors have adopted a few different research techniques such as exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Results - Although existing retail regulations might be better than nothing for now, the degree of retail constraints on large retailers should be strengthened. Furthermore, different legal methods to protect mom and pops are needed. Conclusions – In order to improve the effects of retail restrictions on large retailers, the research indicates that the central government should change a retail policy, that is, introduce new technical ways to keep mom and pops and conventional markets.
Korean Customer Attitudes Towards Retail Regulations
조영상,Lak-Chae Chung,Pom-Tong Yu 한국유통과학회 2016 유통과학연구 Vol.14 No.1
Purpose – This study is to identify how the retail regulations influence customer shopping behaviours and furthermore, whether the Store Closing Act really protects independent retailers as well as traditional markets in Korea. Research design, data, and methodology – By adopting frequency analysis and factor analysis method, the research achieved research objectives. Before a field survey, the authors pre-tested the questionnaire developed, based on similar previous articles, and finalized. Amongst the 353 questionnaires distributed, 332 were returned. It means the response rate is 94.5%. Furthermore, available questionnaires are 330. Results – Rather than stimulating customers to more frequently visit public markets, the regulation has provoked new customer shopping behaviours. In other words, some consumers tend to shop in big box retailers before or after a store closing day, whereas others are likely to stop shopping. What is important is that customers do not patronise small retailers and conventional markets, thanks to the Store Closing Act. Conclusions – In order to keep retailers and public markets independent, the researchers suggest that the government should introduce new techniques without impeding the growth of a retailing sector.