• 제목/요약/키워드: KS규격

검색결과 452건 처리시간 0.027초

파주 금릉리 출토복식의 섬유외 성분 연구 -KS 시험규격의 활용을 중심으로- (Analysis of Nonfibrous Matters in the Textiles Exhumed from Keumreung-Ri, Pajoo Application of KS Test Method)

  • 안춘순;조한국
    • 한국의류학회지
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    • 제22권6호
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    • pp.772-780
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    • 1998
  • The purpose of this research was to investigate the fiber content of and the characteristics of non-fibrous matters within the textiles exhumed from Keumreung-Ri, Pajoo of Kyunggi-do. Various microscopic methods' and the IR spectroscopy were used for the identification of fibers. The KS K 0251 Test Method as well as the IR spectroscopy and the SEM were used for the analysis of econ-fibrous matters. Fiber identification showed that each of the Pajoo samples were composed either of silk, cotton, or ramie. The results of the analysis of non-fibrous matters were as follows. The amount of water-extracted compound exceeded that of chloroform-extracted compound in both Pajoo 2 and Pajoo 5 samples. In Pajoo 5 sample which have already been dry cleaned using the mixed solution of n-hexane and n-dacane, the amount of chloroform extracted compound was 0% of the total extracted matter. The enzyme and HCI disintegration steps further removed the soils those were nonsoluble in water or chloroform. The most extraction was achieved at the HCI extraction stage.

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서지에 대한 누전차단기의 오동작 특성 (Malfunction Characteristics of Earth Leakage Circuit Breakers against Electrical Surges)

  • 송재용;한주섭;박대원;서황동;길경석
    • 한국정보통신학회논문지
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    • 제9권3호
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    • pp.570-575
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    • 2005
  • 저전압 전력계통에 사용되는 누전차단기의 서지에 대한 오동작은 심각한 문제이다. 본 논문에서는 누전차단기의 서지에 대한 영향을 분석하기 위하여 IEC 61009-1와 KS C 4613 규격에 따라 누전차단기를 시험하였다. 서지전압 시험은 국내외 규격에 모두 적용되고 있으며, 서지전류 시험에 대해서는 국제규격 IEC 61009-1에만 규정되어 있다. 실험결과로부터 누전차단기는 서지전압에 대해서는 강인하지만 서지전류에 대해서는 오동작을 발생시켰다. 실제로 누전차단기가 설치되어 있는 환경에서는 서지전류의 침입이 빈번하므로, 누전차단기는 서지전류에 의한 오동작 시험이 수행되어야 하며, 국내규격에도 누전차단기 시험에 서지전류에 의한 평가를 포함하여야 할 것이다.

투과손실 관내법 KS 규격화 연구 (A Study on the Transmission Loss Test with an Impedance Tube for KS)

  • 정성수;조문재;김용태
    • 한국음향학회:학술대회논문집
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    • 한국음향학회 2004년도 춘계학술발표대회 논문집 제23권 1호
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    • pp.233-234
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    • 2004
  • 각종 재료의 음향투과손실을 간단히 비교 시험할 수 있는 관내법이 향후 국제규격으로 제정될 것에 대비하여 우선 KS 규격 제정을 목적으로 제반 특성평가를 수행하였다. 이를 위해 임피던스관을 제작하고, 관 벽을 따라 시편을 지나 마이크로폰 위치까지 전달되는 진동량, 무반사처리부의 흡음률 등 기본적인 특성을 살펴보았다. 최종적인 검증을 위해 몇 가지 시편에 대해 투과손실을 측정하고 이론적 해석에 의한 예측 값과 비교하였다.

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KS(한국산업규격)의 3단계분류체계를 활용한 건자재 표준화 방안 연구 (A Study on the standardization of Construction material by the use of three-tier classification system of Korean Industrial Standard)

  • 임석호
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2009년 춘계학술발표대회 논문집
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    • pp.236-239
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    • 2009
  • Since 1990s, we have achieved a certain level of success in standardization of design, construction, and material on housing and public buildings with the national-level promotion. A practical connecting device that can synthesize all the serial processes is required to maximize the effect of construction material standardization. However, desired outcome of the standardization is not achieved yet because these serial standards and notification practices are decided by each part of the process and some are congested. In this study, we aim to improve a general organizational system of Korean Industrial Standard (KS) which is the most fundamental tool for the standardization of construction materials moving from a conventional idea that the standard is only for the material and components producers to a concept that can also be shared by the designers and construction workers. To achieve this, we propose an improvement plan for the Korean Industrial Standard in the perspective of three-tier classification system.

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KS(한국산업 규격)의 3단계분류체계를 활용한 건자재 표준화 방안 연구 (A Study on the Standardization of Construction Material by the Use of Three-tier Classification System of Korean Industrial Standard)

  • 임석호
    • 한국주거학회논문집
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    • 제20권3호
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    • pp.59-67
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    • 2009
  • Since 1990s, we have achieved a certain level of success in standardization of design, construction, and material on housing and public buildings with the national-level promotion. A practical connecting device that can synthesize all the serial processes is required to maximize the effect of construction material standardization. However, desired outcome of the standardization is not achieved yet because these serial standards and notification practices are decided by each part of the process and some are congested. In this study, we aim to improve a general organizational system of Korean Industrial Standard (KS) which is the most fundamental tool for the standardization of construction materials moving from a conventional idea that the standard is only for the material and components producers to a concept that can also be shared by the designers and construction workers. To achieve this, we propose an improvement plan for the Korean Industrial Standard in the perspective of three-tier classification system.