• Title/Summary/Keyword: Tag Open

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A Study on the OpenURL META-TAG of Observation Research Data for Metadata Interoperability (관측분야 과학데이터 관련 메타데이터 상호운용성 확보를 위한 OpenURL 메타태그 연구)

  • Kim, Sun-Tae;Lee, Tae-Young
    • Journal of Information Management
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    • v.42 no.3
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    • pp.147-165
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    • 2011
  • This paper presents a core meta-tag of OpenURL written in Key/Encoded-Value format in the field of observation research, to distribute the scientific data, produced in many experimentations and observations, on the OpenURL service architecture. So far, the OpenURL hasn't supplied a meta-tag represented scientific data because it has focused on circulation of scholarly and technological information extracted from thesis, proceedings, journals, literatures, etc. The DataCite consortium metadata were analyzed and compared with the Dublin Core metadata, OECD metadata, and Directory Interchange Format metadata to develop a core meta-tag in observation research.

Open-Ended Two-Strip Meander-Line Antenna for RFID Tags

  • Son, Hae-Won;Choi, Gil-Young;Pyo, Cheol-Sig
    • ETRI Journal
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    • v.28 no.3
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    • pp.383-385
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    • 2006
  • A new meander-line antenna consisting of two open-ended strips is proposed for a compact and broadband UHF radio frequency identification tag. An equivalent circuit model for the proposed antenna is derived and used to perform a simple and wideband impedance match to an arbitrary complex impedance of a tag chip without any additional matching network. The performance of the proposed antenna is validated by comparing calculated and measured results, which show good agreement.

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The Measurement and Estimation of Lower Flash Point for o-Xylene+n-Pentanol and m-Xylene+n-Hexanol Systems Using Tag Open-Cup Tester (Tag 개방식 장치를 이용한 o-Xylene+n-Pentanol 계와 m-Xylene+n-Hexanol 계의 하부인화점 측정 및 예측)

  • Ha, Dong-Myeong;Lee, Sung-Jin;Jeong, Kee-Sin
    • Journal of the Korean Institute of Gas
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    • v.14 no.5
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    • pp.19-25
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    • 2010
  • The flash points for the systems, o-xylene+n-pentanol and m-xylene+n-hexanol, were measured by using Tag open-cup tester(ASTM D1310-86). The experimental data were compared with the values calculated by the Raoult's law and the optimization method using van Laar and Wilson equations. The calculated values based on the optimization method were found to be better than those based on the Raoult's law. The predictive curve of the flash point prediction model based on the van Laar equation described the experimentally-derived data more effectively than was the case when the prediction model was based upon the Wilson equation.

Prediction and Measurement of Flash Point and Fire Point of Aromatic Hydrocarbons (방향족탄화수소의 인화점과 연소점 측정 및 예측)

  • Ha Dong-Myeong;Han Jong-Geun
    • Journal of the Korean Institute of Gas
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    • v.9 no.3 s.28
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    • pp.21-26
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    • 2005
  • The flash points and the fire points are one of the most important combustible properties used to determine the potential for the fire and explosion hazards of flammable substances. In this study, the flash points of aromatic hydrocarbons, were measured by using Pensky-Martens Closed Cup apparatus(ASTM-D93) and Tag Open-Cup apparatus(ASTM D 1310-86). Also the fire points of aromatic hydrocarbons, were measured by using Tag Open-Cup apparatus. The measured flash points were in good agreement with reference values. The measured fire points compared with the estimated values based on 1.23 times stoichiometric concentration. The values calculated by the proposed equation were in agreement with measured values.

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Calculation and Measurement of Flash Point for n-Decane + n-Octanol and Acetic Acid + n-Butanol Using a Tag-Open-Cup Apparatus (Tag 개방식 장치를 활용한 n-Decane + n-Octanol계 및 Acetic Acid + n-Butanol계의 인화점 측정과 계산)

  • Ha, Dong-Myeong;Lee, Sungjin
    • Fire Science and Engineering
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    • v.29 no.6
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    • pp.45-50
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    • 2015
  • The flash point is one of the most important properties for characterizing the fire and explosion hazard of liquid solutions. In this study, a Tag open-cup apparatus was used to measure the flash points of two flammable binary mixtures, n-decane + n-octanol and acetic acid + n-butanol. The flash point temperature was estimated using the UNIFAC (Universal Functional Activity Coefficient) group contribution model and optimization method. The experimentally derived flash point was also compared with the predicted flash point. The two methods can estimate the flash point fairly well for the n-decane + n-octanol and acetic acid + n-butanol systems.

Measurement of Fire Point and Flash Point for Alcohols Using Tag Open-Cup Apparatus (Tag식 개방계 장치를 이용한 알콜류의 인화점 및 연소점 측정)

  • Ha Dong-Myeong;Lee Sung-Jin;Song Young-Ho
    • Journal of the Korean Society of Safety
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    • v.19 no.4 s.68
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    • pp.69-73
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    • 2004
  • The flash point is one of the most important combustible properties used to determine the potential for the fire and explosion hazards of industrial material and the fire point is the temperature of the flammable liquid at which there will be flaming combustion, sustained 5 seconds in response to the pilot flame. In this study, the flash point and fire point were measured to present raw data of the flammable risk assessment for alcohols, using Tag open-cup apparatus(ASTM D 1310-86). The measured values were compared with the calculated values based on 0.78 times stoichiometric concentration. The values calculated by the proposed equations were in good agreement with the measured values.

Measurement of Flash Points and Autoignition Temperatures for Xylene Isomers (크실렌 이성질체의 인화점과 최소자연발화온도의 측정)

  • Ha, Dong-Myeong;Lee, Sung-Jin
    • Journal of the Korean Institute of Gas
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    • v.13 no.4
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    • pp.40-45
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    • 2009
  • In order to investigate the compatibility of data in MSDS(Material Safety Data Sheet), the flash point of xylene isomer was measured by using Pensky-Martens closed cup (ASTM D93), Setaflash closed cup(ASTM D3278), Tag open cup(ASTM D1310), and Cleveland open cup (ASTM D92) testers. Also, the AITs(autoignition temperatures) of xylene isomers were measured by using ASTM E659-78 tester. The measured the flash points and the AITs were compared with literatures and MSDS in KOSHA(Korea Occupational Safety and Health Agency). The measured the flash points and the AITs were different from those in literatures and MSDS. As a result, this paper is shown that it is needed to investigate combustion characteristics of xylene isomer for the fire safety objectives.

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A Study on the Expansion of Meta-Tag for Research Data in Scholarly Service Type of OpenURL (연구데이터와 관련된 OpenURL의학술서비스 유형 메타태그의 확장에 대한 연구)

  • Kim, Sun-Tae;Lee, Tae-Young
    • Journal of Information Management
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    • v.42 no.4
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    • pp.39-58
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    • 2011
  • This paper presents a meta-tag expanded from scholarly service types of OpenURL written in Key/Encoded-Value format, after analyzing new scholarly service types and DataCite metadata elements which are for research data publishing and services. So far, OpenURL Z39.88 standard, KEVFormat: Sch-Svc, supporting six scholarly service type only, the expansion of this standard is needed for a research data circulation. New eight scholarly service types were extracted, after analyzing and comparing with the Scopus, Web of Science, and NDSL services. And nine representative attributes were extracted, after analyzing intensively the DataCite's elements.

Investigation of Reliability of Flash Points and Autoignition Temperatures of Acids (산류(Acids)의 인화점과 최소자연발화온도의 신뢰성 고찰)

  • Ha, Dong-Myeong
    • Journal of the Korean Society of Safety
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    • v.24 no.2
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    • pp.42-47
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    • 2009
  • The flash point and the AIT(auto-ignition temperature) are the most important combustible properties used to determine the potential for the fire and explosion hazards of flammable material. In order to know the accuracy of data in MSDS(Material Safety Data Sheet), the flash point of n-acids were measured by using Pensky-Martens closed cup tester(ASTM D93), Setaflash closed cup tester(ASTM D3278), Tag open cup tester(ASTM D1310) and Cleveland open cup tester(ASTM D92). Also, the AIT of n-acids were measured by using ASTM E659-78 tester. The measured the flash points and the AIT were compared with literatures and MSDS in KOSHA. The measured the flash points and the AIT were different from those in literatures and MSDS. Therefore, This paper shows that it is needed to investigate the MSDS compatibility of n-acids for the fire safety objectives.

The Measurement of Lower Flash Point for tert-Pentanol+n-Decane System Using Tag Open-Cup Tester (Tag 개방식 장치를 이용한 tert-Pentanol+n-Decane 계의 하부인화점 측정)

  • Ha, Dong-Myeong;Lee, Sungjin
    • Journal of the Korean Institute of Gas
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    • v.16 no.5
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    • pp.41-46
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    • 2012
  • The flash point the lowest temperature at which the concentration of vapor of the substance in the air reaches the lower flammability limit(LFL), and is one of the most important physical properties used to determine the potential for fire and explosion hazards of industrial materials. The most published flash point data was for pure components and the flash points of the binary solutions that have flammable components, appear to be scarce in the literature. In the present study, the flash points of tert-pentanol+n-decane system were measured by Tag open-cup tester. The measured data were compared with the values calculated by the Raoult's law and the optimization methods based on the Wilson and NRTL equations. The calculated values by optimization methods were found to be better than those based on the Raoult's law.