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이관재,박기욱,정영훈,정인균,정광욱,전지홍,이지민,임경재,Lee, Gwan Jae,Park, Ki Wook,Jung, Young Hun,Jung, In Kyun,Jung, Kwang Wook,Jeon, Ji Hong,Lee, Ji Min,Lim, Kyoung Jae 한국농공학회 2013 한국농공학회논문집 Vol.55 No.4
Annual average precipitation of Korea is 1,277 mm and around 2/3 of annual precipitation and 74 % of available water resources occurred during monsoon period. In recent years, many agricultural reservoirs have been heightened to increase flood control capacity, reduce flooding damage at downstream areas, and provide sustainable environmental flow during drought period. Thus in this study, the flood control effects of heightening of reservoir banks were simulated with HEC-ResSim and HEC-RAS models. These modes were applied to Bonghak reservoir and it was found that flood control effects were 3~4.5 % with 7 -m heightening. Also, with proper operation (1 m lower of full water level) of reservoir right before the monsoon period, flooding at downstream could be prevented even with design storm of 80 -year recurrence interval. As shown in this study, heightening of agricultural reservoir provides positive effects in flood control and flood damage reduction.
이관재,이철로,안행근,김진수,정태훈,김윤석,류미이,고영호 한국물리학회 2017 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.70 No.11
We report the influences of a Si-doped graded-superlattice (SiGSL) on the structural, optical, and electrical properties of InGaN/GaN light-emitting diodes (LEDs). For comparison, LEDs fabricated on an undoped graded superlattice (unGSL-LED) and conventional LEDs without the superlattice (C-LED) were prepared. The dependences of the carrier behaviors on the surface inhomogeneity and the defect/dislocation distribution were investigated by using fluorescence microscopy images, wherein the dark features corresponding to the defects/threading dislocations for the unGSL-LED and the SiGSL-LED were significantly reduced compared to that for the C-LED. The photoluminescence intensities of the unGSL-LED and the SiGSL-LED were 1.15 and 1.24 times stronger than that of the C-LED, respectively. The output powers of the unGSL-LED and the SiGSL-LED at an injection current of 20 mA were measured to be 1.32 and 1.41 times higher than that of the C-LED, respectively. Moreover, the electrostatic discharge characteristics of the LED sample using the SiGSL structure were drastically improved.
화장품 판매원의 속성이 재구매의도에 미치는 영향 - 고객공감의 매개효과 중심으로 -
이관재,심혜은,정락채 대한경영정보학회 2021 경영과 정보연구 Vol.40 No.2
본 연구는 화장품 판매원 속성(전문성, 고객지향성, 윤리성)이 고객공감 (인지적공감, 정서적공감)의 매 개역할을 통하여 재구매의도에 미치는 영향을 규명하기 위한 논문이다. 연구의 목적을 달성하기 위하여 개 념적 연구모형을 제안하고 가설을 설정하였디. 직접적인 효과의 가설검증을 위해 구조방정식모형(SEM)과 매개효과 가설을 검증하기 위하여 PROCESS Macro Model 4를 이용하였다. 연구 결과는 첫째, 화장품 판매원의 속성 중에서 고객지향성과 윤리성은 고객공감과의 관계에서 중요한 요인이라는 사실을 확인하였으나, 화장품 판매원의 전문성은 고객의 인지적인 공감 측면에서 많은 영향을 주지 않았다. 둘째, 고객고감의 인지적공감 및 정서적공감 요인은 재구매의도에 영향을 미친다는 결과를 얻었다. 마지막으로, 고객공감이 화장품 판매원 속성과 재구매의도 사이에 매개역할을 하는지의 영향 관계 를 분석한 결과 정서적공감 요인은 판매원의 세 가지 속성과 재구매의도 사이에서 모두 부분 매개역할을 하였다. 또한, 인지적공감 요인에 대한 판매원의 속성 중 고객지향성은 부분매개를 하였으나, 전문성과 윤 리성에 대한 인지적공감의 매개역할은 거의 없었다. 본 연구에서 화장품 판매원의 판매 행위에서 판매경로와 무관하게 고객과의 소통에서 정서적공감 요인 이 제품과 서비스 구매에 매우 중요하다는 사실을 발견하였으며, 화장품 판매원은 고객과 소통에서 정서적 공감 요인이 인지적공감 보다 훨씬 중요하다고 할 수 있다. This study is ton the intention of repurchase through cognitive and emotional empathy with customers. In previous studies, there are very few empirical studies of the attributes of cosmetic salespersons. To this end, it this paper theorized and examined the effects of the cosmetic salespersons' attributes with the role of mediating variables (cognitive & emotional empathy) that influence consumers’ repurchasing intents to cosmetics. This research utilized the SOR theory as a basic theoretical foundation. This study was conducted on a sample of 271 active cosmetics users in S. Korea. The statistical analysis was conducted using the PROCESS Macro Model 4 and SEM. The findings of the study reveal that the direct effects of both salespersons' attributes on customer empathy and the customer empathy on repurchasing intention except H1-1 were significant. Another important finding of this study indicates that the indirect effects of customer empathy between salespersons' attributes and repurchasing intention except H5-1 and H5-3 were proven significant. The major implication of this study is understanding the mediating role of emotional empathy. This means to prove that, regardless of the routes of cosmetic salespersons in their sales activities, the communication with customers, or the emotional empathy, has enormous effect on the purchase of salespersons' products and their services. The implication of this work to both researchers and practitioners is discussed to examine the effect of cosmetic salespersons' attributes (professionality, customer orientation, ethicality).