• Title/Summary/Keyword: 플러그

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Norwegian Underwater Tunnel Piercing (노르웨이의 수중수로관통 발파 기술)

  • 김민규
    • Explosives and Blasting
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    • v.20 no.1
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    • pp.67-75
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    • 2002
  • 수중수로관통 발파는 수로터널을 호수 바닥에 근접하도록 터널을 뚫고 최종적으로 플러그를 발파하여 수로와 호수 바닥을 연결시키는 발파 기술로서 수력발전에서 경비와 공기를 단축시킬 수 있는 매우 유용한 기술이다. 이 기술은 본질적으로는 수중발파와 동일하지만 완벽한 성공을 보장하기 위한 별도의 조치를 해야하고 수갱의 수문과 여타의 설비를 보전할 수 있는 대책을 강구하여야 한다. 논문에서는 노르웨이에서는 보편화되어 있는 이 기술의 핵심 내용과 적용의 예를 실어 소개하고자 한다.

HTML5를 이용한 자바스크립트 기반 공격 기법 연구

  • Yoon, Soojin;Jung, Jong-Hun;Kim, HwanKuk
    • Review of KIISC
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    • v.25 no.5
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    • pp.74-80
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    • 2015
  • HTML5가 발표되고, 웹상에서 HTML5 신요소와 자바스크립트를 이용한 다양한 기능 구현이 가능하게 되었다. 기존 웹에서는 외부 플러그인을 이용하여야 가능했던 기능들이 웹의 자체 기능으로 구현이 가능해졌다. 하지만 이로 인해 기존에 플러그인인 ActiveX, Flash를 이용했던 공격 대신 HTML5와 자바스크립트를 이용한 공격이 주목 받고 있다. 본 논문에서는 HTML5와 자바스크립트를 이용한 공격들을 살피고, 공격의 파급력과 대책의 중요성을 확인한다.

Evaluation of Dynamic Characteristic of a Globe Valve with Various Plug Types (플러그 형상에 따른 글로브 밸브의 동특성 평가)

  • Ko S. H.;Park S.;Yang S. M.
    • 한국전산유체공학회:학술대회논문집
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    • 2004.10a
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    • pp.29-32
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    • 2004
  • A three dimensional numerical analysis and experimental measurements were made for incompressible flows in a globe valve with three different types of plug. Characteristics of pressure drop across the valve were investigated for each type of plug at various opening positions. Numerical simulation results show a good agreement with experimental data.

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Graphical TopicMaps Editor(GTM Editor) (도식화된 토픽맵 편집기)

  • Ahn, Ki-Jin;Lee, Jae-Ho
    • Proceedings of the Korean Information Science Society Conference
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    • 2006.10b
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    • pp.289-293
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    • 2006
  • 국내에서도 표준화 작업이 진행 중인 토픽맵은 분산된 정보와 지식의 관리를 지원하기 위한 국제 표준이다. 이 논문에서는 이클립스(Eclipse) 플랫폼의 플러그인 개발환경인 GMF를 이용하여 비교적 작은 도메인에 대한 토픽맵의 구조를 도식화된 방법으로 표현하고, 간편하고 직관적인 편집기능을 사용자에게 제공하며, 이러한 구조의 간단한 프로토타입 정보라 할 수 있는 Linear Topic Map Notation(LTM)을 만들어 내는 플러그 인을 소개할 것이다.

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발명 & 경제

  • (사)한국여성발명협회
    • The Inventors News
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    • no.4
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    • pp.7-7
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    • 2002
  • 랜드의 폴라로이드 카메라 - 원터치 전기 플러그

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Effects of Plug Cell Size and Media on Gerbera Seedling Growth (플러그셀 크기 밑 용토가 거어베라의 묘생장에 미치는 영향)

  • Cho, Moon-Soo;Ye, Byong-Kwea;Park, Yun-Young;Jun, Ha-Joon
    • Korean Journal of Environmental Agriculture
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    • v.22 no.1
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    • pp.60-64
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    • 2003
  • This study was conducted to examine the effects of plug tray cell size and growth media on good seedling production of Gerbera hybrida Hort. Seedlings were grown for 60 days in 50, 72, 128, 162 cell trays contanning perlite, cocopeat and perlite+cocopeat(1:1, v/v). Perlite showed higher bulk density than cocopeat and perlite+cocopeat. Total porosity was greater in perlite, cocopeat and perlite+cocopeat in order. Cocopeat showed the highest water holding capacity. Number of leaves were greatest in 128 cell tray containing cocopeat. Leaf area was greatest in 50 cell tray containing cocopeat. Seedling growth was also better in plug tray of bigger cell size. Seedling growth of fresh and dry weight of shoot and root was much better in the growth media of perlite+cocopeat.

The Research of Unplugged Computing Method for Computational Thinking in Elementary Informatics Education (초등정보교육에서의 계산적사고 교육을 위한 언플러그드 컴퓨팅 방법에 관한 고찰)

  • Han, Byoungrae
    • Journal of The Korean Association of Information Education
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    • v.17 no.2
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    • pp.147-156
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    • 2013
  • Computer Science has been developed thru the study of information processing, the study of what can be automated, the study of computation, and the study of information processes both natural and artificial. As developing the computer science, the aspect of informatics education was changed. Recently we focus on computational thinking education. In this paper, I review the progress of informatics education and research the applying of unplugged computing as a method of computational thinking education. I also research the considerations about applying of unplugged computing in aspects of teacher preparation, educational content, and teaching resources. As result I found that teachers change their perceptions about computer education, understand the computer science contents, and understand the promotion of students thinking skills in point of view at teacher preparation, that teachers can set the levels of abstraction and can enrich and integrate of contents, and that teacher can manage class time and educational resources preparation in point of view at educational resources.

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Simulation for the Fuel Economy and the Emission of Diesel Hybrid Electric Vehicle (디젤 하이브리드 전기 자동차의 연료경제성 및 배출가스에 관한 시뮬레이션)

  • Han, Sung-Bin;Chang, Yong-Hoon;Suh, Buhm-Joo;Chung, Yon-Jong
    • Journal of Energy Engineering
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    • v.18 no.1
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    • pp.31-36
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    • 2009
  • There are several types of environment friendly vehicle being developed by auto manufactures. HEV (Hybrid Electric Vehicle) is most applicable one among them in actuality. HEV has two power sources, one is an internal combustion engine, the other one is an electric device. The HEV is developed for reducing fuel consumption and emissions. We selected the diesel engine as a main power source of HEV. The tests were carried out under different driving cycles which was CBDBUS (Central Business Driving Bus Schedule) and HWFET (Highway Fuel Economy Test). This research presents a simulation for the fuel economy and the emission of heavy diesel hybrid vehicle according to the SHEV (Serial Hybrid Electric Vehicle), PHEV (Parallel Hybrid Electric Vehicle), Plug-in SHEV and plug-in PHEV.