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항공서비스 이용고객의 지각된 관계투자, 전환비용, 그리고 충성도간의 관계
정경은(Chung Kyung-Eun) 한국상품학회 2007 商品學硏究 Vol.25 No.3
본 연구는 항공서비스 이용고객이 지각하는 관계투자와 전환비용이 충성도에 미치는 영향을 실증하는데 목적이 있다. 사회교환이론에서 제시되고 있는 상호호혜성 원리에 기초하여 항공사가 제공하는 정보제공, 상용고객 우대 프로그램, 대인간 커뮤니케이션과 같은 고객관계관리 활동이 지각된 고객관계투자에 미치는 영향을 분석함과 동시에 이러한 지각된 관계투자가 충성도에 미치는 영향을 실증하였다. 또한 지각된 관계투자와 충성도간의 관계에 있어서 전환비용의 조절효과를 살펴보았다. 항공서비스를 이용한 247명의 고객을 대상으로 개별면접방식을 통한 설문조사가 실시되었으며, 수집된 자료에 기초하여 다음과 같은 분석결과가 도출되었다. 분석결과, 정보제공, 상용고객 우대 프로그램, 대인간 커뮤니케이션과 같은 고객관계관리 활동은 지각된 관계투자에 유의하게 영향을 미치는 것으로 밝혀졌다. 또한 지각된 관계투자는 충성도를 유의하게 증가시켰으며, 특히 이러한 관계는 전환비용이 높을수록 강도가 유의하게 증가되고 있는 것으로 나타났다. 끝으로, 이러한 결과의 이론적 및 실무적 시사점이 논의되고 연구의 한계점과 미래의 연구방향이 제시되었다. Investigating airline company-customer relationships, this research has three distinct intended contributions: (1) It shows that different relationship marketing activities have a impact on customers" perceived investment of airline company; (2) it demonstrates that perceived relationship investment affects customer loyalty; and (3) it reveals that the effect of perceived relationship investment on customer loyalty is contingent on switching cost. Using a data collected from 247 respondents through personal interviews, research model is tested. Results show that customer relationships marketing activities such as providing information using a direct mail or e-mail, preferential treatment or rewards, and interpersonal communication have a positive impact on perceived investment. Perceived relationship investment positively affects customer loyalty and switching cost moderated the effect of perceived relationship investment on customer loyalty. Finally, managerial implications and limitations of these findings are discussed.
전력설비 감시용 무선센서네트워크 Front-End Node 구동프로그램에 관한 연구
정경열(Kyung-yul Chung),박창대(Chang-dae Park),임병주(Byung-ju Lim),한정은(Jeong-eun Han),이후락(Hoo-rock Lee),최대석(Dae-seok Choi),류길수(Keel-soo Rhyu) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.4
In the corona discharge detection system for electric power equipments, we propose suitable control method for the application of efficient wireless sensor networks. It is the POSIX standard lightweight thread which is each TCP and RF transceiver function for minimize load on the system. In addition, we have applied for mutual exclusion technique to the program, the data transmission rates increase and the prevent collisions between the data communication. The program consists of a clustered END nodes and the FRONT-END node that lab test was performed.
선택적 UV필터를 이용한 전력기기고장 예측용 코로나방전 진단시스템 개발
정경열(Kyung-yul Chung),박창대(Chang-dae Park),임병주(Byung-ju Lim),한정은(Jeong-eun Han),김권태(Kwun-tae Kim),최대석(Dae-seok Choi),심상용(Sang-yong Sim),김용환(Yong-hwan Kim),김용식(Yong-sik Kim) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.10
In this paper, we propose electric corona discharge diagnosis system based on the selective UV optics to find discharging location and the electric facility degradation. And we have verify the system by lab tests and field tests and present the results.
정경은 ( Kyung Eun Jung ),정지민 ( Ji Min Chung ),박종욱 ( Jong Wook Park ),진원우 ( Won Woo Jin ),김명화 ( Myung Hwa Kim ),신용우 ( Yong Woo Cinn ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.7
Trichorrhexis nodosa is the most common hair shaft anomaly in which there is a chemical or physical traumatic injury, characterized by the development of node-like swelling, fragility of the shaft and paint brush effect on the side of the fracture. We report two cases of trichorrhexis nodosa in 15-year-old girl and 16-year-old-boy, occurring as results of repetitive hot-comb straightener and excessive scratching. Scanning electroscopic findings are typical to trichorrhexis nodosa. (Korean J Dermatol 2008;46(7):958~961)
코로나방전 영상검출을 위한 시스템 성능 최적화 기술에 관한 연구
정경열(Kyung-yul Chung),박창대(Chang-dae Park),임병주(Byung-ju Lim),한정은(Jeong-eun Han),김권태(Kwun-tae Kim),최대석(Dae-seok Choi),심상용(Sang-yong Sim),김용환(Yong-hwan Kim),김용식(Yong-sik Kim) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.10
In this paper, We are research for optimization of the composite corona discharge image diagnose system for degradation diagnosis of electric facility. The technologies to the optimization are composite chromakey, video capture buffering and lightweight video codec and minimize delay for user interface keystrokes.
중심원심성 윤상 홍반 양상을 보인 전신성 환상 육아종 1예
정경은 ( Kyung Eun Jung ),남궁선 ( Sun Nam Koong ),정지민 ( Ji Min Chung ),박종욱 ( Jong Wook Park ),박병철 ( Byung Cheol Park ),김명화 ( Myung Hwa Kim ),신용우 ( Yong Woo Cinn ) 대한피부과학회 2009 대한피부과학회지 Vol.47 No.6
Granuloma annulare (GA) is usually a benign, self-limiting, granulomatous, chronic dermatosis of an unknown cause, characterized by skin colored papules that often have an annular configuration. Generalized granuloma annulare (GGA) is an uncommon variant of GA, and this is characterized by disseminated papules on the trunk and limbs. We report here on an interesting case of GGA that clinically presented as erythema annulare centrifugum. (Korean J Dermatol 2009;47(6):746∼748)
정경열(Kyung-Yul Chung),이후락(Hoo-Rock Lee),한정은(Jeong-Eun Han),김상열(Sang-Yeol Kim) 한국마린엔지니어링학회 2009 한국마린엔지니어링학회 학술대회 논문집 Vol.2009 No.-
In this study, corona discharge may occurs in power transmission lines and power devices and it could deteriorate that. In the earth, it is solar-blind bandwidth exist. So, It can possible to detecting the corona discharge in day-time through the 230㎚-280㎚ wave length. In this point, we did researching the solar-blind bandwidth camera through the image processing technology.
일부 시판 깔라만시 함유 음료가 치아표면에 미치는 영향
김은경 ( Eun-kyoung Kim ),박해령 ( Hae-ryoung Park ),정경이 ( Kyung-yi Chung ),최충호 ( Choong-ho Choi ),정성숙 ( Seong-soog Jeong ) 대한예방치과·구강보건학회 2020 大韓口腔保健學會誌 Vol.44 No.1
Objectives: The aim of this study was to investigate the effects of some commercial calamansicontaining beverages on the sound surface of bovine teeth as well as the dental erosion inhibitory effects of calcium. Methods: The pH and titratable acidity of six kinds of commercially available calamansi beverages were determined. Further, 3% calcium was added to the calamansi beverage Oranssi in the experimental group to confirm its dental erosion inhibitory effect. Jeju Samdasoo was used in the negative control group and Coca-Cola in the positive control group. After immersing the sound teeth specimens for 10 min, surface microhardness was measured using the Vickers hardness number (VHN), and surface changes in specimens were observed under a scanning electron microscope. Results: The average pH of the commercial calamansi beverages was 2.54±0.22. After 10 min of treatment with each experimental beverage, the surface hardness difference (ΔVHN) was highest in the Coca-Cola group (―49.05±12.59), followed by the Oranssi calamansi group (―43.77± 13.70), 3% calcium-added Oranssi calamansi group (―2.71±12.58), and Samdasoo group (14.03± 20.79). There was no significant difference between the bottled water and calcium-added Oranssi calamansi groups or between the Coca-Cola and Oranssi calamansi groups (P>0.05). However, there was a significant difference in the surface hardness between the bottled water and Coca-Cola groups (P<0.05). On scanning electron microscopy, the Samdasoo group showed a smooth surface without any loss, but Coca-Cola and Oranssi calamansi groups showed a rough surface due to erosion. However, although fine cracks and porosities were seen in the calcium-added Oranssi calamansi group, surfaces in the group were much smoother than those in the Oranssi calamansi group. Conclusions: Calamansi beverages of low pH may cause corrosion of the tooth surface, and the addition of calcium to the calamansi beverages inhibits demineralization of the tooth surface. Therefore, it is necessary to consider the risk of dental erosion when drinking calamansi beverages of low pH.
객실승무원의 직무교육이 직무가치와 직업만족에 미치는 영향
석은주(Eun Ju Seok),정경일(Kyung Il Chung) 한국관광연구학회 2015 관광연구저널 Vol.29 No.1
In developed countries, the service industry comprises a large portion of the total industrial structure. The qualification and role of flight attendants are emphasized as a typical measure of an airline`s quality of international services. Thus, training and education of the flight attendants are regarded highly as an essential factor to improve general services and distinguish one`s services from other competitors`. This study focused on verifying relationships among the flight attendants` training programs, their work value, and job satisfaction in the work place. The data for empirical analysis were collected from ``K`` Airline``s flight attendants who joined the company since 2000. 450 questionnaires were distributed in March 2013. 423 were returned and 385 questionnaires were used for empirical analysis. The data were analyzed with frequency analysis, exploratory factor analysis, correlation analysis and multiple regression analysis using SPSS 19.0. As a result of empirical research, it was found that several factors of training programs had significant influence on the work value, and the work value had influence on the job satisfaction. With the result of this study, it is expected to find the factors that influence work value and job satisfaction by introducing and understanding the training program for newly employed flight attendants, thereby giving guidelines for strategic development of a job- training program and enhancement of job satisfaction for more effective personnel management of flight attendants.