• Proceedings of the Korean Institute of Building Construction Conference
• /
• v.y2004m10
• /
• pp.11-14
• /
• 2004

The object of this study is vibrating compaction and curing method in the production process of Design concrete for precast concrete(Design-PC) product. From change of vibrating compaction time and pre-curing time. curing temperature which would be factors of product quality in Design-PC concrete production. and research of optimized steam curing condition from relations between curing condition and strength development. basic data of vibrating compaction time and concrete steam curing method for Design-PC will be presented.

• Journal of the Institute of Electronics and Information Engineers
• /
• v.51 no.11
• /
• pp.205-210
• /
• 2014

This is concerned with the technology to display the design on Porcelain and adjust malfunction for moving effect and light intensity by curator. More precisely, the technology makes it possible that the porcelain is connected to Light module which is the device for controlling light emission and rotating rolling plate, etc that are connected to LED light module, optical fiber and controller that is for scenario from the given storytelling. In addition, with a WiFi portable device (Smart-phone, other mobile device). equipped with a scenario programs, information for operation, failure and malfunction can be obtained and analyzed in real-time, and menu color and alarm is alerted when the displaying design is in abnormal status, which makes the early reactions to the status. Furthermore, the collected data can be sent through WiFi network to the device and PC managed by the curator specialized in managing the design on the Porcelain, thus the technology could help the curator who have less knowledge about moving pattern on the Porcelain. There is always a possibility of malfunction due to various condition that are caused by wring-harness when modules are wired-connected. In this research, in order to overcome this problem, we propose a system configuration that can do monitoring and diagnosis with a device for collecting data from LED control module, Light emission sensor and a personal WiFi device. Also, we performed connection between optical Fiber and LED and interlock for the system defined by the definition for information and storytelling scenario.

• Proceedings of the Korea Concrete Institute Conference
• /
• 2004.11a
• /
• pp.161-164
• /
• 2004

The object of this study is vibrating compaction and curing method in the production process of Design concrete for precast concrete(Design-PC) product. From change of vibrating compaction time and pre-curing time, curing temperature which would be factors of product quality in Design-PC concrete production, and research of optimized steam curing condition from relations between curing condition and strength development, basic data of vibrating compaction time and concrete steam curing method for Design-PC will be presented.

• Proceedings of the Korean Information Science Society Conference
• /
• 2012.06a
• /
• pp.128-130
• /
• 2012

본 논문은 교육 현장의 전산 기자재 관리의 비효율성을 바꿔나가고 새로운 변화에 적응력을 키워나가는 취지에서 접근하였다. 현재 각 학교에는 교원 1인당 1 PC가 보급되어 있으며, 네트워크 환경도 잘 구성되어 있다. 이러한 환경을 기초로 본 논문에서는 학교에서 작성 되고 있는 관리 대장을 전자 문서화함으로써, 관리 대장의 검색, 생성, 삭제, 삽입, 변환 등에 따른 업무 비효율성을 최소화하였다. 본 연구에서는 전자 문서화 시스템의 서버 프로그램으로 RW-APM을 사용하였으며, 여러 가지 대화형 게시판과 SMS를 이용한 관리자 호출을 통해 관리자뿐 아니라 일반 사용자들도 시스템과 학교 장비의 문제점에 대해 의견을 나눌 수 있도록 하였다. 본 연구에서 개발된 전산 기자재 관리 대장 시스템은 여러 실무 담당자들의 의견을 수용함으로써 교육 현장에 최적화 된 환경을 제공하기 위해 노력하였다. 이러한 시스템을 확장하여 활용한다면 교육 지원 활동에 대한 효율성을 높일 수 있으며, 이는 교사와 학생들의 교육 활동에 긍정적인 효과를 줄 것으로 기대된다.

• Journal of Life Science
• /
• v.24 no.10
• /
• pp.1085-1091
• /
• 2014

The purpose of this study was to determine the effect of selenate on adipocyte differentiation and to identify genes involved in the modulation of adipogenesis in 3T3-L1 cells. To test the effect of selenate on adipocyte differentiation, adipogenesis was induced in cells using various concentrations ($0-100{\mu}M$) of selenate. Various phases of adipogenesis were induced: postconfluent (PC), early phase (EP, d0-d2), postmitotic growth arrest (PM, d2-d4), and all period (AP). The PC cells exposed to selenate for 24 h displayed dose-dependent inhibition of intracellular lipid droplet accumulation on day 6 of adipogenesis. Two days of selenate treatment at EP or AP inhibited adipogenesis, with an approximately 20-80% reduction in lipid accumulation compared to that of a control (p<0.05). When preadipocytes were exposed to selenate during the PM period, the antiadipogenic effect of selenate was attenuated. Two types of selenoprotein genes (Seps1 and Sepp1) were up-regulated by the selenate treatment during mitotic clonal expansion, whereas these genes were down-regulated during PM growth arrest (p<0.05). The findings demonstrate the antiadipogenic function of selenate and the possible involvement of Sepp1 and Seps1 genes in selenate-inhibited adipogenesis in 3T3-L1 cells.