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호텔 등급에 따른 온라인 여행사(OTA) 선택속성이 OTA 브랜드 애착에 미치는 영향 연구
이근수,김경한 한국호텔리조트학회 2019 호텔리조트연구 Vol.18 No.4
The purpose of this study is to find out whether there are differences in the selection attributes of online travel agency(OTA) according to hotel grade. To this end, the selection attributes of OTA were divided into motivation and constraint factors. As a result, First, three factors (price value, online reviews, and diversity) of OTA have a significant positive(+) effect on OTA brand attachment. Second, the hotel BRG system and hotel loyalty program, except the perceived risks, out of the three constraints of OTA, have a significant negative(-) effect on OTA brand attachment. Lastly, hotel grade has a moderating effect in relation to hotel BRG system, hotel loyalty program and brand attachment. This study suggests a way to increase brand attachment to OTA operators and suggests a plan to direct hotel reservations to hotel operators. In the future, it is necessary to study specific selection attributes for OTA by hotel grade and to further expand the hotel class from 1 star to 5 star.
이근수,김기홍,강정옥,박승함 대한미생물학회 1982 大韓微生物學會誌 Vol.17 No.1
Fifty two infants and young children hospitalized in the pediatric department of Hanyang Uni- versity Hospital with acute gastroenteritis from Febtuary through April 1982 were examined for the evidence of infection with rotavirus by electron microscopic technique and enzyme-linked immuno- .sorbent assay (ELISA). Of 52 patients examined, rotaviruses were deteeted in stools of 1l patieats (21Fo) by EM technique , and 16 patients (3IY) by ELISA. But there was no significant statistical difference between the two methods (Z= l. 2$lt;2). During the study period, rotaviruses were detected in stools of 6(38Fo) of 16 patients in February, 10(30Yo) of 33 patients in 54arch, and none of 3 patients in April, The age of the 16 patients who shed the rotaviruses in their stools ranged from 3 months to 6 years, and 12 patients (75g) were between 6 and 24 months. Our study suggests that the rotaviral gastroenteritis of infants and young ehildren in Korea might have similar frequency, seasonal variation, and age distribution with other countries in temperate zone.
이근수,최열 대한건축학회 2010 大韓建築學會論文集 Vol.26 No.5
<P>High-fluidity concrete(HFC) or Self compacting concrete(SCC) is considered as a new generation of concrete which can be used widely in case of heavily reinforced or relatively larger size of structural members in concrete structures without any vibration efforts. The researches on HFC are being conducted to verify its flowability, filling ability and segregation resistance since late 1980. There are a variety of factors that affect on these characteristics such as water-binder ratio, SP(superplasticizer) and VMA(viscosity modified admixture) contents. The present work is aimed to figure out the variations of flowability, filling ability, passing ability and compressive strength of HFC in accordance with water-binder ratio and contents of mixing variables. From the test results, the slump flow is increased linearly when water/binder and SP ratio increased within significant segregation is not occurred. Also the compressive strength is decreased linearly when water-binder ratio and SP ratio increases, and increased linearly when VMA content increases. However, passing ability showed an irregular change under various mixing variables.</P>