• 제목/요약/키워드: globular beads

검색결과 5건 처리시간 0.021초

자외선.오존 살균 소독장치 제작을 위한 체시뮬레이션 및 대장균 제거 특성 (Hydraulic Simulation and Removal Characteristics of Escherichia Coli for Producing of Ultraviolet rays.Ozone Sterilization Apparatus)

  • 황인아;이현수;박재윤
    • 전기학회논문지P
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    • 제54권4호
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    • pp.198-202
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    • 2005
  • The simulation of hydraulic pressure distribution of discharge tube with globular beads and the removal characteristics of Escherichia coli by the discharge tube with globular beads were estimated. The removal characteristic of Escherichia coli was related to the input voltage because the electric field is increased according to input voltage. As the passing amount of test water in discharge tube is increased, the removal ratio of Escherichia coli was increased because passing numbers of electric field section is increased.

울진 덕천리 신라묘군 출토 구슬류의 특성 고찰 (A Characteristics Classification by Beads Analysis of the Tombs of Deokcheon-ri in Uljin, Korea.)

  • 이민희;김규호
    • 박물관보존과학
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    • 제22권
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    • pp.69-84
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    • 2019
  • 본 연구에서는 울진 덕천리 신라묘군에서 출토된 구슬류 80점에 대해 형태적 특징관찰 및 화학적 조성분석을 실시하여 제작기법과 원료의 특성을 제시하고 이를 바탕으로 유구별 출토 양상을 살펴보고자 하였다. 울진 덕천리 신라묘군 출토 구슬류는 곡옥 1점과 관옥 1점, 환옥 78점으로 구별된다. 그 중 곡옥과 관옥, 환옥 3점은 광물제 구슬, 75점은 유리제 구슬로 확인되며 유리제 구슬은 대부분 유리 융액을 늘여서 제작된 것으로 추정된다. 조성특성을 유구별로 살펴보면, 상대적으로 상부에 위치하는 유구에서는 다양한 색상의 소다유리군이 확인되는데 비해 중부는 다양한 융제의 유리제 구슬이 출토되고 하부는 감청색 소다유리군이 주로 확인된다. 따라서 유구 위치에 따라 유리제 구슬의 양상이 다름이 확인된다. 또한 5~6C초의 유구에서 집중적으로 구슬이 출토되어 6C 이전, 울진을 중심으로 구슬을 수용하고 부장했던 집단이 있었을 가능성을 시사하며 신라가 중앙집권화가 되어가는 6C 이후 해당 지역에서 구슬이 자취를 감추게 되는 특징을 보인다.

자외선.오존 살균소독장치의 유체시뮬레이션 및 대장균 제거 특성 (The Hydraulic simulation and removal characteristics of Escherichia Coli for Ultraviolet rays.Ozone sterilization apparatus)

  • 황인아;이현수
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2005년도 학술대회 논문집 전문대학교육위원
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    • pp.169-172
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    • 2005
  • The simulation of Hydraulic pressure distribution of discharge tube with globular beads and the removal characteristic of Escherichia coli by the discharge tube with globular beads were estimated. The removal characteristic of Escherichia coli was related to the input voltage because the electric field is increased according to input voltage. As the passing amount of test water in discharge tube is increased, the removal ratio of Escherichia coli was increased because passing numbers of electric field section is increased.

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유전체를 이용한 수처리장치의 전계시뮬레이션 및 수처리 특성 (Electric Field Simulation and Characteristics of Water Treatment Apparatus using Dielectrics)

  • 황인아;이현수;한병성
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2005년도 추계학술대회 논문집 Vol.18
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    • pp.333-335
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    • 2005
  • The simulation of electric field distribution of discharge tube with globular $ZrO_2$ and the removal characteristic of Escherichia coli by the discharge tube with globular $ZrO_2$ were estimated. The removal characteristic of Escherichia coli was related to the input voltage because the electric field is increased according to input voltage. As the particle size of $ZrO_2$ beads increased, the removal time of Escherichia coli was shortened due to the dielectric polarization of $ZrO_2$ beads.

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구형 지르코니아를 갖는 수방전관의 수질성분변환 및 세균제거특성 (Removal characteristic of Escherichiacoli and water property conversion for Discharge tube with globular $ZrO_2$)

  • 이동훈;박홍재;박재윤
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2003년도 추계학술대회 논문집 Vol.16
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    • pp.550-553
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    • 2003
  • This paper was shown water properly conversion and removal characteristic of escherichia coli for discharge tube with $ZrO_2$ beads. At the result of the removal characteristic experiments of escherichia coli using the discharge tube with $ZrO_2$ beads, because the electric field is also increased when input voltage is increased, the removal characteristic of escherichia coli was appeared relation connection to input voltage. And if a passing number of test water in discharge tube with $ZrO_2$ beads is increased, the removal ratio of escherichia coli is to be increased because passing number of electric field section is increased. And if diameter of $ZrO_2$ beads is increased, the removal time of escherichia coli is to be decreased because dielectric polalization of $ZrO_2$ beads. Also, the removal ratio of escherichia coli of the discharge tube with $ZrO_2$ beads. is appeared higher than the removal ratio of the discharge tube without $ZrO_2$ beads. And a salutation point of ozone and $H_2O_2$ generation density inner water was appeared near 60[min].

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