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An Educational MBL Platform Development with Remote Access Functionality
김시경(Kim, Si-Kyung),이희복(Lee, Hee-Bok),이희만(Lee, Hee-Man) 한국산학기술학회 2007 한국산학기술학회논문지 Vol.8 No.6
본 논문에서는 물리, 화학, 생물 등 실험 교과목에 대하여 학생들이 가정 및 여러 장소에서 원격 접근 기능을 가지는 마이크로프로세서 기반 실험 장치( Microprocessor Based Laboratory Systems, MBL)의 소프트웨어 및 하드웨어 플랫폼 구조 설계에 관하여 연구 하였다. 본 시스템에서는 학교 실험실에서 수행되는 실험교과목에 대한 다양한 주변 환경 및 실험방법에 대하여 지원 가능하도록 원격접근기능을 TCP/IP 프로토콜로 구현한 NUTOS를 실시간 운영체제를 사용하였다. 본 논문에서 제안한 MBL-NUTOS(Microprocessor Based Laboratory-NUT/OS)는 실시간 인터넷 접속이 가능하며 서버 또는 클라이언트로 활용 가능하도록 설계 되었으며 실험을 통하여 본 플랫폼의 유용성을 입증하였다. 본 MBL 하드웨어 플랫폼에서는 기존의 마이크로프로세서 기반 실험 장치가 가지고 있지 않은 네트워크 접근 기능이 구현 되었으며 또한 실시간으로 실험 상황을 인터넷으로 억세스 할 수 있는 장점을 가지고 있다. 더욱이, 저비용 고집적도를 가지게 설계되어 일선 학교에서 용이 하게 사용 할 수 있도록 하였으며, 학교 실험실에서 수행되는 실험이 미래 유비쿼터스 교육환경에 적용 가능하도록 하여 첨단 과학에 대한 학생들의 인지를 넓히는 주요 매개체로서 그 교육 효과를 높이도록 하였다. The Microprocessor Based Laboratory Systems(MBL) with the remote access functional could put basic science experimental facilities together by providing a modern platform that the students can utilize simultaneously to learn basic physics, chemistry and biology. Our educator target platform combines a highly integrated 8-bit embedded Atmega128 processor and real time embedded OS (operating system), allowing plenty of headroom for follow-on basic science projects for students. The proposed MBL-NUTOS (Microprocessor Based Laboratory-NUT/OS) employed in the lab are available with internet base simulation capabilities, on public servers and students personal PCs, enabling the students to study at home and increasing the opportunity of accessing for the science laboratory facility.
李時慶(Lee Si-Kyung) 한국지방자치학회 2000 韓國地方自治學會報 Vol.12 No.2
Recently, environmental conflict over water resources among regions has much impacts on the economic growth and social order in South Korea. According to many studies in this field, principled negotiation among interest group has been recommended to solve the environmental conflict. Moreover, it is not yet devised what kinds of principles and methods of negotiation are effective to settle the conflict. This study investigates to the most equitable principle and method which seem to solve the environmental conflicts over water conservation and use among regions in South Korea through analyzing developing countries cases. The finding of this study are as follow; First, it is necessary to follow the Public Doctrine Theory to solve the water environmental conflict, because water resources are public goods, and also has to be distributed to all the peoples and all the generations. It means that coordinating powers of central government over water resources conflict has to be strengthened. Second, to settle water conflict, it needs to introduce and enlarge the Equitable Utilization Principle of common water resources. And also, to realize equitable cost division structure, we are devised to harmonize the Polluter Pays Principle with the Beneficiary Pays Principle. Third, as methods of negotiation, Interstate Compact and Regulatory Negotiation seem to be desirable to settle water resources conflicts in South Korea.
수중 운동치료가 류마티스 관절염 환자의 염증 완화에 미치는 효과
이시경 ( Si Kyung Lee ),박수진 ( Soo Kin Park ),송주민 ( Ju Min Song ),김진상 ( Jin Sang Kim ) 대한물리의학회 2011 대한물리의학회지 Vol.6 No.1
Purpose:The purpose of this study was to investigate the effectiveness of pain release through the four weeks aquatic exercise among the female subjects aged above 50 and who suffered from arthritis. Methods:The assessment was validated by blood analysis which measured the fluctuations of Erythrocyte sedimentation rate(ESR), C-reactive protein(CRP) and Rheumatoid factor(RF). Among the 50 subjects of this experiment, the control group has only taken a regular treatment from the clinic and the other experimental group has done aquatic exercise. The experimental group has practiced the aquatic exercise 50 minutes a day for one month excluding the weekends. Results:Blood analysis revealed that ESR was decreased in both the control group and the experimental group and the major effect of CRP was diminished only in the experimental group. No significance of RF was found in both the control group and the experimental group. Conclusion:These results indicate that the aquatic exercise is an effective treatment for arthritis that is compatible with the similar results from the previous studies. In line with this, the aquatic exercise program can provide an effective treatment and control of the disease with the arthritis patient. Accordingly, the regular basis aquatic exercise proved to be quite satisfactory treatment in this regard and we contend that it is vital for the arthritis patients.