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모바일서비스가 조직성과에 미치는 영향에 관한 실증적 연구
최성용,이교엽 한국서비스경영학회 2003 서비스경영학회지 Vol.4 No.3
Considering the rapid growth of mobile devices, such as mobil e phones, PDA, etc., this study aimed to find out a proper model for the influence of mobile service system on the organizational performance. Genera lly the implementation of mobile service systems requires multi-dimensi onal activities related with hardware, software (information system), orgaware, and so on. To accomplish research objectives effectively in this study, the f actors influencing organizational performance were classified as four categories ; c o r p o r a t e 최성용이교엽서비스경영학회지 제4권 제3호 2003년 12월 18operational environment, enterpr ise information infrastructure, b u s i n e s application systems, and mobile services. Top management support and sys tem infrastructure is essential t o b o t h online information and mobile service systems. And mobile servi ce systems must be designed and implemented to meet organizational strateg y. Online information systems have more influence on the organizational p erformance than mobile service systems right now and must be previously co nstructed to implement mobile service systems.
혼화재료의 치환에 따른 경량기포 콘크리트의 기초적 특성분석
최성용,신재경,정광복,한민철,한천구,Choi, Sung-Yong,Shin, Jae-Kyung,Jeong, Kwang-Bok,Han, Min-Cheol,Han, Cheon-Goo 한국건축시공학회 2007 한국건축시공학회지 Vol.7 No.2
This study investigated the fundamental properties of the lightweight foamed concrete depending on various admixtures, and the results were summarized as following. When 20% of cement kiln dust(CKD) and 0.002% of stabilizing agent were mixed to lightweight foamed concrete, it was necessary to use a superplasticizer because flowability was decreased. However, it could reduce sinking depth which were the extensive trouble of lightweight foamed concrete. Bulk density was divided into '0.4' and '0.5' grades on KS according to unit volume weight. The compressive strength was less than that of plain concrete when admixtures were applied, but the results exceeded the minimum strength of the each grades on KS. Totally, it is found that the combination of 20% of CKD and 0.002% of stabilizing agent makes it possible to reduce a sinking depth, recycle resources, and save cost when were mixed.
작물의 수분관계 연구를 위한 pressure chamber 이용 방법
윤태명,최성용 安東大學校 農業科學技術硏究所 1995 農業科學技術 硏究論文集 Vol.2 No.-
Pressure chamber는 식물체의 수분상태를 측정하는 기기로써 식물의 수분관련 생리연구나 생태연구에 광범위하게 이용되고 있다. Pressure chamber의 구조와 측정이론을 개괄·고찰하고 또다른 식물체내 수분포텐셜 측정기기인 thermocouple hygrometer와 비교하여 pressure chamber의 장·단점을 검토하였다. Pressure chamber를 이용하여 포장에서 직접식물의 수분상태를 측정할 때의 주의하여야 할 점과 압력-부피 곡선법을 통한 수분관련 parameter의 산출방법에 대해서도 관련 논문을 종합·고찰하였다. 아울러 pressure chamber의 기타 이용방법으로 식물체의 수분이동저항 측정, 토양수분포텐셜의 간접적 측정, 수액채취, 물관부 emboilsm연구 등에 대하여 언급하였다.
개방형 유양돌기절제술 후 조기에 발생한 미로 누공 1예
최성용,김이혁 대한평형의학회 2016 Research in Vestibular Science Vol.15 No.3
Labyrinthine fistula refers to a condition caused by an abnormal connection between the inner ear and surrounding structures. Most cases of that occur as a result of a complication brought about by cholesteatoma. It may also be generated by long repeated infections of a mastoid cavity that has been exposed to the outside after canal wall down mastoidectomy (CWDM). The infection is usually repeated for several years or decades after surgery. Therefore, labyrinthine fistula after CWDM is known as a late complication. In this case, labyrinthine fistula occurred in two months after surgery due to postoperative infection. Although cholesteatoma was removed after CWDM and the horizontal semicircular canal (HSCC) was not damaged during the operation, this labyrinthine fistula was thought to develop very early after surgery. Two months after surgery, the patient complained of dizziness, we identified the opened bony labyrinth and damaged endosteum of the HSCC in the patient.Res Vestib Sci 2016;15(3):89-93