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로컬푸드 매장의 서비스품질이 고객만족과 재방문의도에 미치는 영향
한진,한상혁,장동헌 한국농촌계획학회 2016 농촌계획 Vol.22 No.1
This study identified the impact of the service quality of local food stores on customer satisfaction and revisiting intention of the customers as the interest into local foods is increasing. The main outcomes are as follows: First, many of the respondents said that they use the local food stores based on the trust in the origin of the products and good quality. Second, reliability and validity were suitable for factor analysis and the correlation had a positive (+) directivity. Third, reliability, assurance, empathy and tangibles were analyzed to have a positive (+) impact among the 5 aspects of service quality except for responsiveness. Fourth, customer satisfaction had a positive (+) impact on the intention to revisit the local food stores, and reliability, assurance and empathy had a positive (+) impact on revisiting intention at the statistical significance level except for responsiveness and tangibles among the 5 service quality aspects. Therefore, it is thought to be required to keep having interests into service quality to gain a competitive edge as a sustainable management system since the service quality of local food stores has impacts on customer satisfaction and intention to revisit.
한진,유태경,임상혁 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.52 No.-
Uniform silica particles were synthesized by synergistic combination of sodium 4-styrene sulfonate(NaSS) anionic surfactant and organic amine base catalyst such as ethylenediamine (EDA) ordiethylenetriamine (DETA). The EDA and DETA organic amine base catalysts could promote the growthreaction rate so that they produced larger silica particles compared to the NH4OH base catalyst becausethe organic amines provide more basic micro-environment near the surface of the silica particle due tomultiple amine groups in a single molecule. Accordingly, the size of the silica particle was 450 12 nm(NH4OH), 725 21 nm (EDA), and 942 130 nm (DETA) in similar pH conditions.
브레이크 디스크의 산질화처리가 부식지연 및 제동특성에 미치는 영향에 관한 연구
한진,김광윤,이학인,이정주,Han, Jin,Kim, Gwang Yun,Lee, Hack Ean,Lee, JeongJoo 한국자동차안전학회 2015 자동차안전학회지 Vol.7 No.2
Ferritic Nitro Carburizing (FNC) cast iron brake discs is known to improve corrosion resistance and brake creep groan noise as well as prevent corrosion-induced pulsation. But, it is necessary to treat honing machining on braking surface to avoid grinding noise during braking.
Synthesis of monodisperse micro-sized polystyrene particles by dispersion polymerization
한진,임상혁 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.0
Monodisperse micro-sized particles of polymer have attracted much interest in broad industries such as display, medical and engineering thanks to their considerable applications. Many researchers have been focused on producing highly monodisperse polymer particles. Also, various methods including soap-free emulsion polymerization and non-aqueous or aqueous dispersion polymerization were developed for preparing polymer particles. Particles between hundreds nano-size to tens micro-size can be synthesized by dispersion polymerization, a type of precipitation polymerization. In dispersion polymerization, regular particles can be obtained due to the addition of stabilizer. Monodisperse particles can self-assemble and distinctive characteristics appear owing to the maximum surface area. It will be applied to wide fields. Here, we synthesize monodisperse polystyrene microspheres by dispersion polymerization.