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김정구,전미나,한정수,김미예,Jungung Park,Joshua Y. Kim 한국마케팅학회 2012 ASIA MARKETING JOURNAL Vol.14 No.3
The success story of E-mart fascinated many academics and practitioners alike. Though E-mart began as a nameless discount store in Chang-dong, Seoul in 1993, it has transformed itself into a leading distribution company and one of the most powerful brands in Korea. Surprisingly, it achieved the great success against the two crises it met: the national economic crisis and the invasion of the global giant Walmart. The main objective of this case study is to formally examine how E-mart overcame the two crises. More specifically, this case study highlights the ways with which E-mart turned those difficulties into opportunities for growth. In our examination of the E-mart case, we could clearly see E-mart's competence and spirit that allowed it to turn crises into advantageous opportunities. E-mart attracted the customers who wanted value-oriented consumption by its positioning as the “Lowest price discount store", when consumer sentiment was frozen under the economic crisis. Furthermore, when a large-scale foreign discount store like Walmart entered the Korea market, E-mart built its core competencies as the ‘Korean style discount store’. These ingenious positioning and efforts resulted in E-mart taking over their archrival, Walmart, and forced the global Goliath to exit the Korean market. The case of E-mart's effective crisis management teaches many important lessons and a few core lessons that apply to many companies. One such lesson is the importance of positioning which enabled E-mart to turn crises into opportunities. Granted, the strategy of positioning as the ‘Korean style discount store', or ’Lowest price discount store' was possible due to overall support with cost reduction, development and management of their own system, an apprentice educate system, etc. based on an excellent selection of location of the store and efficient distribution systems. Still, the positioning strategy of E-mart was truly ground breaking in distancing itself from its competitors. The lessons from E-mart will help those companies currently in a stagnant situation or a crisis to turn their obstacles into great success.
김정구,신일성,금동화,Kim, Jung-Gu,Shin, Il-Seong,Kum, Dong-Hwa 한국재료학회 1999 한국재료학회지 Vol.9 No.7
마그네슘은 20여년간 자동차 산업에서 휠소재로 사용되어 왔다. 마그네슘 휠은 무게가 알루미늄 휠보다 25% 가벼워서 주행성이 우수하다. 이 연구의 목적은 사형주조 및 영구금형주조 공정에 의한 AZ91D 합금제 췰을 개발하는 것이다 보호개스$(SF_6+CO_2)$를 사용하는 비플럭스 용해기술을 적용하여 용탕의 산화와 불순물의 유입을 배제하였다 마그네슘 용탕은 가압식 펌프시스템을 사용하여 가열된 파이프를 통하여 모울드에 자동으로 공급된다. 열처리 및 인고트의 조성에 따른 AZ91B 합금제 휠의 기계적 특성을 조사하였다. Magnesium has been used as wheel materials in the automotive industry for more than 20 years. The magnesium wheels, which are lighter by 25% than aluminum wheels, provide easy controllability providing excellent road holding by the reduction of weight. The purpose of this work is to develop cast AZ91D alloy wheel by sand cast and permanent mold cast. The fluxless melting with the protective gas $(SF_6+CO_2)$ was Performed to eliminate oxidation of melt and impurity. The transfer of molten magnesium to the mold was done by using gas-pressurized Pump system through the heated pipe. The mechanical properites of AZ91D alloy wheel were investigated as a function of heat treatment, ingot composition.
김정구,여준현,이재융 대한금속재료학회(대한금속학회) 2001 대한금속·재료학회지 Vol.39 No.5
Recently Zn-Co alloy coating has been studied because minute additions of cobalt to zinc decrease its rate of corrosion. The corrosion behavior of electrodeposited Zn-Co alloy coatings with various contents of Co was compared with pure Zn coating using electrochemical test and electrochemical impedance spectroscopy (EIS) measurement in 3.5 wt% NaCl solution and surface analysis. In immersion test, the corrosion potential of all Zn-Co coatings was higher than that of pure Zn coating. Corrosion current density for the 0.9 wt%Co and 5.0 wt%Co was lower than that for pure Zn coating. Dezincification which occurred in the corrosion process made a Co-rich barrier in the coating layer and only 0.9 wt%Co and 5.0 wt%Co had an effective Co-rich barrier. The 58.0 wt%Co exhibited the highest current density owing to the localized corrosion at large cracks. The 0.9 wt%Co and 5.0 wt%Co, with a more active corrosion potential, were galvanically corroded at cracks in the coating to protect the exposed substrate cathodically. Whereas on the 58.0 wt%Co, anodic dissolution and galvanic corrosion of the substrate were concentrated at coating defects by a large cathode(58.0 wt%Co coating) and anode(substrate) surface area ratio. EIS and EPMA results confirmed that cobalt enrichment, together with the zinc corrosion products, acts as a barrier layer reducing the total corrosion rate.
중국 영화를 연구하고 교육하는 장소에 대하여 ― 국내 대학의 중어중문학과를 중심으로
김정구 한국중국현대문학학회 2019 中國現代文學 Vol.0 No.90
Under the discourse of the crisis of humanities, the Chinese language and literature department in Korea has sought to change itself in various ways for the last few decades. A considerable number of colleges has changed their names of the department, and also reconstructed their curriculum for practical purpose. In this respect, it is one of the these changes that the study and education of Chinese cinema has become an academic subject in the department of Chinese language and literature. Since the early 2000s, there has appeared a variety of studies and courses on Chinese cinema in the scene of Chinese studies. For the existing (modern) literature scholars, cinema has been considered as a new form of literature, or expanded literature. Likewise, for the scholars who study Chinese play and stage drama, cinema is a sort of contemporary performing art. Chinese cinema has been employed for various scholars in various ways. Cinema itself has a strong trait of multi-disciplinary and inter-disciplinary subject rather than an independent and exclusive discipline. An approach to cinema from the perspective of the existing scholarship in Chinese language and literature department make it possible to open a new understanding for cinema, and this new understanding can invigorate the existing discipline of Chinese language and literature department. Through this relationship of dialogue, cinema can be a trans-disciplinary subject to bring the changes to the existing discipline of Chinese language and literature.