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이윤석 ( Lee Yun-suk ),서주영 ( Seo Ju-yeong ),김완수 ( Kim Wan-su ),이영도 ( Lee Young-do ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.1
In this study, the concept of exposed concrete is basically considered and various expressions of concrete surface texture are verified variously. Based on this comparison, the characteristics of exposed surface of concrete according to the change of coating material applicable to formwork are compared and analyzed. I am trying to find a way to apply exposed concrete in a convenient way, In order to observe the characteristics of concrete exposed surface according to the form material, As the surface is smooth and tight, the surface condition of the concrete is smooth and the pore is small.
서주영,서무현,안병철 충북대학교 컴퓨터정보통신연구소 2015 컴퓨터정보통신연구 Vol.23 No.2
This paper presents a design of a wideband dual-polarized patch antenna operating at the VHF band. The designed antenna consists of a four-slitted patch at four points by capacitive coupling and a parasitic patch. A wideband performance of the antenna is obtained by increasing the distance between the fed patch and the ground plane, and a parasitic patch. The designed antenna has a gain of 4.4dB at 200MHz and a reflection coefficient of less than -6dB over 165-260MHz.