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제1차 항공우주산업 세미나 - 항공우주산업 육성정책 방향
남인석,Nam, In-Seok 한국항공우주산업진흥협회 2000 航空宇宙 Vol.72 No.-
지난 6월 28일 우리협회는 회원사 임직원들의 실무지원을 위해 2000년도 제1차 항공우주산업세미나를 개최하였다. 정부와 산업계의 전문가를 모시고 개최된 이번 세미나에서 발표된 주제내용의 요지를 게재하였다.
체감형 비디오 게임 활동과정에서 나타난 유아들의 참여 및 변화 양상
남인석 ( In Seok Nam ) 미래유아교육학회 2011 미래유아교육학회지 Vol.18 No.4
This is an action study to understand how kindergarten children participate in sensory video games. Participants were 14 children aged 3-5 from a public kindergarten in O county, Chungcheongbuk-do. Video game activities were planned and provided to them for 13 weeks from September, 1 to November, 26, 2010. Lesson plans, reflection journals, child observation record, and game activity evaluation by children were collected. And Video game activities were recorded and each child was interviewed. To analyze data inductive content analysis method was adopted. In order to secure the validity of data analysis a consultation with an early childhood education expert was held. The findings of this study were as follows: Children participated in video games in their own ways. Some children highly interested in the games were inclined to overindulged themselves in them. They also perceived the real world and the virtual world as just the same thing or replacement. In the process of playing video games each child formed self-consciousness customizing his/her avatar to suit what he/she looked like or wanted to be. Children interacted one another more frequently to solve problems they encountered. As they made use of physical movements children improved their basic motor skills and knowledge of exercises. They also got acquainted with directions and terminology of the games.
HVDC Cable Acessory용, EPDM/n_SiC/μ_SiC/Silica Kaolinite Composites의 전기적 특성연구
강민호(Min-Ho Kang),박정복(Jung-Bok Park),김형석(Hyoung-Seok Kim),남인석(In-seok Nam),정민성(Min-Seong Jung),박건주(Geon-Ju Park),장홍준(Jang Hong Jun),허인회(Hur In Hai),박재준(Jae-Jun Park),이동윤(Lee Dong Yun) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.7
In the HVDC Cable Accessory connection, there are a lot of space charges at the interface between the cable insulation and the connection part insulation, and at the interface between metals and polymers. It is also reported that insulation and accessory insulation have a large difference between the ratio of the dielectric constant and electrical conductivity of the cable and accessory insulation. And this space charge can strengthen and distort the local electric field near the interface. For that reason, the surface of SiC (Silicon Carbide), a semiconductive inorganic material based on EPDM (ethylene propylene diene terpolymer), was modified to strengthen the chemical reaction and interface. EPDM/Nano SiC/Micro SiC Mixture Composites were prepared and the properties of electrical insulation, electrical conductivity, and thermal conductivity were studied by mixing nano SiC and micro SiC.Moreover, in order to increase the mechanical tensile strength in the optimal state of electrical conduction and electrical insulation, the electrical and mechanical properties were studied by mixing Akitifit (Silica Kolinite), a surface-modified inorganic material.