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정연주(Chung Yeon-Joo),김종근(Kim Jong-Geon),한범석(Han Beoum-Suk),신성우(Shin Sung-Woo) 한국구조물진단유지관리학회 2003 한국구조물진단학회 학술발표회논문집 Vol.- No.-
This study investigates the behaviors of high strength concrete tied square columns subjected to concentric axial loads. 10 column specimens were fabricated for experimental test. Five configurations of transverse reinforcement such as A, B, C, E and F-type were considered. Three parameters considered in this study are follows ; 1) Volumetric ratios of transverse reinforcement; ps, 2) Spacing of transverse reinforcement; s, 3) Type of transverse reinforcement. Following conclusions are obtained from experimental study. Ultra-high-strength concrete columns under concentric axial loads show extremely brittle behavior unless the columns are confined with transverse reinforcement that can provide sufficiently high lateral confinement pressure. Therefore, the more confinement is required in the column with the higher strength of concrete than column with the lower strength of concrete to achieve same amount of strength enhancement in both columns, respectively.
정연주(Yeon-Joo Chung),강낙중(Nak-Jung Kang) 한국무역연구원 2011 무역연구 Vol.7 No.3
This study investigates the effects of relational embeddedness of supply chain on supply chain performance. At the same time, this study identifies the moderating effects of product characteristic variables, that is product complexity and demand uncertainty. The development of research model is based on network embeddedness that the literature of strategic management and sociology. The data from survey was analyzed using Partial Least Squares(PLS) and moderated multivariate regression. The result from empirical model suggest as follow; First, relational embeddedness of supply chain effects on supply chain performance. Especially, intimate relationship, reciprocal cooperation and trust of relational embeddedness affects interfirm relation performance. Second, moderating effects of product characteristic variables are not statistically effective.
Kano모형을 이용한 물류서비스 품질의 분류 및 관리방안에 관한 연구
정연주(Yeon-Joo Chung),강낙중(Nak-Jung Kang) 한국무역연구원 2013 무역연구 Vol.9 No.1
The importance of logistics service quality has kept growing in fierce competitions. Accordingly, many have tried to access the logistics service quality and attempted to propose the strategic ways to manage it. However, it has been known that service quality is multi-dimensional construct and not all quality attributed are viewed as equally important to customers. In other words, each quality attribute has different implications for customer satisfaction. To this respect, the current study attempted to identify the satisfying/dissatisfying quality factor through the Kano model. Kano model point of view better quotient and worse quotient comparison analyze about service quality attributes of logistics service. For this purpose, the authors has reviewed the literature and made a survey research with finns who provided logistics service. Several satisfying/dissatisfying quality factors in logistics service quality were identified. The results of the paper were as follows; First, it was found that almost 14 items could be classified four quality factors: attractive, one-dimensional, must-be, indifferent quality, while the reverse quality items wasn't found And also Timko's customer satisfaction(CS) coefficient were shows the same results of the Kano's classification. Further, several academic and practical implication for logistics service quality were proposed.
정연주 ( Chung Yeon-joo ),김종근 ( Kim Jong-geon ),한범석 ( Han Beoum-suk ),신성우 ( Shin Sung-woo ) 한국구조물진단유지관리공학회 2003 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.7 No.2
This study investigates the behaviors of high strength concrete tied square columns subjected to concentric axial loads. 10 column specimens were fabricated for experimental test. Five configurations of transverse reinforcement such as A, B, C, E and F-type were considered. Three parameters considered in this study are follows; 1) Volumetric ratios of transverse reinforcement; ps, 2) Spacing of transverse reinforcement; s, 3) Type of transverse reinforcement. Following conclusions are obtained from experimental study. Ultra-high-strength concrete columns under concentric axial loads show extremely brittle behavior unless the columns are confined with transverse reinforcement that can provide sufficiently high lateral confinement pressure. Therefore, the more confinement is required in the column with the higher strength of concrete than column with the lower strength of concrete to achieve same amount of strength enhancement in both columns, respectively.
강낙중 ( Kang Nak-jung ),정연주 ( Chung Yeon-joo ) 동의대학교 경제경영전략연구소 2013 經濟經營硏究 Vol.8 No.1
Logistics in the 21st century serves as an essential factor for companies to acquire domestic and foreign competitiveness, beyond a mere function of linking production and consumption. This study is (i) to find out the selection factors that shippers have relied on to choose a competitive freight transport company; (ii) to draw the order of priority from selection factors using Analytic Hierarchy Process(AHP); (iii) to evaluate the importance by those selection factors; (iv) by which to make plans for freight transport companies to be able to accept and meet the requirements of shippers in active and efficient manners. In hierarchical model, we put four items such as, cost, specialization, logistics and company capacity at the first level and risk taking, transport service, additional service, flexibility of transport process, cost economics, elasticity of freight charge and validity of a bargaining freight charge, transport reliability, logistics service capacity, logistics facility, logistics infra, logistics information system, partnership, company reputation, certification of logistics company, company size at the second level. The result indicates that the relative importance of the cost factor was the highest among the four first level attributes. It was the obvious that the cost factor direct affects the choosing the freight transport company by shippers. This study result will be usefully available as data for helping freight transport companies keep sustained efforts to improve their management environment so that they can live up to the expectations and requirements of shippers. And for shippers, it will also be available when they have to consider various factors in selecting the best freight transport company.
권은영 ( Kwon Eun-young ),정연주 ( Chung Yeon-joo ),강명주 ( Kang Myong-ju ) 동의대학교 경제경영전략연구소 2012 經濟經營硏究 Vol.7 No.2
This study aims to understand the influence of retail company`s service quality on customer performances, adapting Brady and Cronin(2001)`s three dimensions of quality model to retail company. To examine the research model and hypotheses, we have used an empirical method based on field survey in which most of measurements used and verified in previous studies are selected as measurements. The data from survey was analyzed using Partial Least Squares(PLS). The result from empirical model suggest as follow; first, interaction quality and outcome quality has significant effects on customer trust, while physical environment quality had n negative effects on customer trust. On the other hand, interaction quality, physical environment quality and outcome quality has no significant effects on customer satisfaction. Second, customer trust has significant effects on customer satisfaction and revisiting intension. Finally, customer satisfaction has significant effects on revisiting intension.
송승환,이충원,김영규,이창훈,이민기,정연주,김영대,Song Seung-Hwan,Lee Chung-Won,Kim Young-Gyu,Lee Chang-Hun,Lee Min-Gi,Jeong Yeon-Joo,Kim Yeong-Dae 대한흉부심장혈관외과학회 2006 Journal of Chest Surgery (J Chest Surg) Vol.39 No.5
종격동에 발생한 림프혈관종은 아주 드문 질환으로 수술 전 컴퓨터 단층촬영과 자기공명 혈관촬영상 흉선 기원 종양으로 오인된 환자의 수술 소견상 무명정맥에서 기인하는 혈관조직의 증식을 보였다. 병리검사상 림프조직과 혈관조직을 모두를 보여 림프혈관종으로 진단하였다. A case report of lymphangiohemangioma of the mediastinum that was misdiagnosed as thymic origin mass on chest CT and MR angiography. Operative finding revealed vascular proliferation originated from innominate vein and the pathologic finding showed both lymphatic and vascular component which was diagnosed lymphangiohemangioma.
Pneumobilia 가 동반된 간세포암종에서 간동맥 화학색전술 후 비암성 간 내에 발생한 간농양 1 예
김영철,이성구,박영민,이소영,김용균,정규원,배시현,김부성,정연주,선희식,유수은,박두호,변병훈,최종영,신제현,홍창균 대한간학회 2001 Clinical and Molecular Hepatology(대한간학회지) Vol.7 No.2
Transcatheter arterial chemoembolization (TACE) is widely used to treat inoperable hepatocellular carcinoma and metastatic tumor of the liver. Among the complications occurring after TACE, liver abscess formation in HCC is a fatal complication. The reported incidence of this complication ranges from O% to 3.3%. Moreover, liver abscess formation in non - tumorous parenchyma is very rare. The pathogenic mechanism of this complication has been linked to several factors but retrograde enteric bacterial contamination of the biliary tract appears to be the most commonly implicated cause. The major risk factors of the biliary tract infection are pneumobilia, portal vein thrombosis, bilo - enteric anastomosis and biliary obstruction. We report a rare case of liver abscess formation in non - tumorous liver parenchyma after TACE for the treatment of hepatocellular carcinoma in a patient with pneumobilia(Korean J Hepatol 2001;7:189-194)