• 제목/요약/키워드: Min-Wha

검색결과 337건 처리시간 0.022초

ON THE SOME PROPERTIES OF THE LIMITS SETS

  • Yeom, Seung-Wha;Min, Kyung-Jin
    • 한국수학교육학회지시리즈B:순수및응용수학
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    • 제3권2호
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    • pp.123-129
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    • 1996
  • In this paper, we investigate the properties of various limit sets. In particular, we study the relationship between the recurrent set and special $\gamma$-limit set. And also we show that if $\chi$ is not almost periodic, then $\chi$ is special a-limit.

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철도 노반재료의 정.동적특성 연구 (A Study on Anti-Vibration Materials for Roadbed)

  • 신민호;이일화;이선복;김수일;허영;김수삼
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 1998년도 창립기념 춘계학술대회 논문집
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    • pp.588-595
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    • 1998
  • The purpose of this study is to perform development of techniques for reduction of ground vibration caused by highspeed railway. At the first year, we have researched for the statically and dynamically characteristics of materials that could reduce the propagated ground vibration. The tire chip and blast furnace slag had been selected as the reduction material. And we have tested these materials by computer analysis.

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청계천 자연생태공간 LED 조형물 설치 (LED light sculpture installation at Cheonggyecheon as a natural ecology place)

  • 심승연;여승민;정강화
    • 한국조명전기설비학회:학술대회논문집
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    • 한국조명전기설비학회 2006년도 춘계학술대회 논문집
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    • pp.160-163
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    • 2006
  • In this paper present installation of LED lighting at Cheonggyecheon that represents the culture and a leisure of Seoul. The objective which presents this paper is n order to rises the creativity of spaces and the quality of life as establishes an illumination in other culture and living spaces.

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