• Title/Summary/Keyword: GMT

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Current Operations and Future Plans of K-GMT Science Group (KGSG)

  • Hwang, Narae;Lee, Jae-Joon;Lee, Joon Hyeop;Park, Byeong-Gon;Lim, Youn Ju
    • The Bulletin of The Korean Astronomical Society
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    • v.38 no.2
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    • pp.81.2-81.2
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    • 2013
  • K-GMT Science Group (KGSG) is in charge of overall science operations with an aim to promote scientific activities of Korean Astronomical Community for the GMT era in 2020. KGSG is currently running and/or promoting K-GMT Science Program, K-GMT Science White Paper Initiative, and K-GMT Summer School for Young Researchers. KGSG is also planning to join several international survey projects such as SDSS IV and LSST. We will introduce the current status on various operations and the future plan for KGSG to the community members.

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Effect of Glumate on the Blood Concentrations of Ethanol in Healthy Adults (정상 성인에 있어서 미배아 발효액 (Glumate)이 에탄올의 혈중농도에 미치는 영향)

  • 김영철;박성호;이명걸
    • YAKHAK HOEJI
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    • v.37 no.5
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    • pp.549-553
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    • 1993
  • The extracts fermented of rice germ are called GMT (Glumate) which is a main ingredient of Condition$^{\circledR}$. It has been reported that GMT reduced the blood concentrations of alcohol in heathy adults. The purpose of the study is to examine the effect of GMT on blood concentrations of ethanol and on heart rate increase induced by ethanol. GMT was administered orally to 15 healthy adults before (10 min) and after (1 h) ethanol ingestion. The oral administration of GMT before (10 min) and after (1 h) ethanol ingestion reduced the area under the blood concentration of ethanol-time curve (p<0.12) and tended to inhibit the ethanol-induced heart rate increase.

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K-GMT Science Group Activities in 2014

  • Hwang, Narae;Lee, Jae-Joon;Lee, Ho-Gyu;Lee, Joon Hyeop;Park, Byeong-Gon;Lim, Youn Ju
    • The Bulletin of The Korean Astronomical Society
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    • v.39 no.1
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    • pp.85.1-85.1
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    • 2014
  • K-GMT Science Group (KGSG) is actively promoting community-wide science operations for the GMT era in 2020's. These include K-GMT Science Program, K-GMT Science White Paper Initiative, K-GMT Summer School, and science operation of IGRINS. We will introduce the current status and the plan for 2014 of the various KGSG activities and invite the participation of the community members.

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Effect of Maesil (Prunus mume) Juice on the Alcohol Metabolizing Enzyme Activities (매실즙이 알코올대사 효소활성에 미치는 영향)

  • Hwang, Ja-Young;Ham, Jae-Woong;Nam, Sung-Hee
    • Korean Journal of Food Science and Technology
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    • v.36 no.2
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    • pp.329-332
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    • 2004
  • Changes in activities of alcohol dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH) in vitro were examined by measuring maximum absorbances of ADH and ALDH at 340 nm to determine influence of Maesil (Prunus mume) on alcohol metabolism. Facilitating rates of ADH activity were 137.92, 131.58, 152,96, 218.70, 111.76, and 144.27% in Maesil juice, 5, 10, and 15% GMT, and 0.5 and 1.0% aspartic acid, respectively, ALDH activity increased in the order of Maesil juice > ALDH > GMT > aspartic acid, and facilitating rate of ALDH activity in Maesil juice was the highest at 976.44%. These results indicate alcohol metabolizing activity can be enhanced by Maesil juice.

Impact Simulation of Automotive GMT Bumper (자동차용 유리섬유강화 매트 수지(GMT) 범퍼의 충돌성능 평가 수치모사)

  • 백승훈;문종근;정우식;김승조
    • Proceedings of the Korean Society For Composite Materials Conference
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    • 2003.10a
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    • pp.137-140
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    • 2003
  • Impact of Automotive GMT(Glassfiber reinforced Mat Thermoplastic) Bumper for '5Mhp Barrier Test'was simulated using ls-dyna. The FE model consists of foam which is energy absorber, bumper beam and stay etc. Bumper intrusion and deflection was compared with the experimental results. Effects of uncertainty of material property and deviation of impact velocity were considered and results were compared with those of base design. Effects of number of integration points through th thickness was also investigated.

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자율운항선박 통합 원격제어 시스템(육상제어) 개발 현황

  • 이정호;조기정;이상재;김희창
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2022.06a
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    • pp.127-128
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    • 2022
  • 자율운항선박의 육상원격제어시스템 개발을 위해 선박제어 모사장치를 이용한 원격제어장치, 원격모니터링, 통신시스템에 대한 개발 현황을 나열하고 향후 기능개선 개발 방향을 제시하고자 한다.

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자율운항선박의 육상원격제어를 위한 육상용 ECDIS 기능 개선방안

  • 이정호;조기정;이상재;김희창
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2023.05a
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    • pp.182-183
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    • 2023
  • 자율운항선박의 육상원격제어시스템을 개발하였고 육상에서의 선박 원격조종과 그에 대한 실시간 모니터링을 위하여 ECDIS 시스템을 도입하고 원격제어 모니터링에 적합하도록 육상용 ECDIS 시스템을 개발하기 위해 새로운 기능을 분석하였다.

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자율운항선박 통합 원격제어 시스템(육상제어) 개발 현황 및 개선방안

  • 이정호;조기정;이상재;김희창
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2022.11a
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    • pp.65-66
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    • 2022
  • 자율운항선박의 육상원격제어시스템 개발을 위해 선박제어 모사장치를 이용한 원격제어장치, 원격모니터링, 통신시스템에 대한 개발 현황을 나열하고 향후 개선 방안을 제시하고자 한다.

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자율운항선박의 육상원격제어 보조를 위한 최적항로예측 시뮬레이션 개선방안

  • 이정호;조기정;이상재;김희창
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2023.11a
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    • pp.86-87
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    • 2023
  • 해상환경에 적용된 최적항로예측 알고리듬을 자율운항선박의 기본 시스템으로 가정하고 육상의 육상원격제어시스템을 통해 선박이 제어되는 환경을 ECDIS 시스템을 사용하여 시뮬레이션하고 자율운항선박과 육상원격제어 간 안전운항를 위해 상호 시스템 공유를 이용한 협업을 바탕으로 최적항로예측 시뮬레이션을 개선하는 방안을 분석하였다.

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Strength and Efficiency during Lap Joining Molding of GMT-sheet

  • Kim, Jin-Woo;Kim, Hyoung-Seok;Kim, Tae-Ik;Lee, Dong-Gi;Sim, Jae-Ki
    • Journal of the Korean Society of Manufacturing Technology Engineers
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    • v.21 no.6
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    • pp.1018-1023
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    • 2012
  • In order to substitute and recycle the existing automobile parts for GMT-sheet, researches on the effects of GMT-sheet on the establishment of precise joining strength, joining condition that are lap length of joining part, compression ratio, and closure speed must be carried out but until now. Besides, many researches on adhesion joint had been conducted until now but no systematic research on press lap joint of GMT-sheet has been implemented until recently and the reliability of joining strength is not yet established. In press lap joining molding of GMT-sheet, tensile stress and lap joining connection efficiency was increased according to the increase of lap length L. However, as the increase of compression ratio and fiber content ratio per unit area was higher in tensile test, it has caused the deterioration of lap joining efficiency after joining molding of GMT-sheet. Clarify joining strength and lap joining efficiency during high temperature compression press lap joining molding of GMT-sheet and research data regarding to the lap length of joining part was presented. The purpose of this study is to contribute to the substitution of existing products as well as usage development in non-automobile field and also to find out precise dynamic characteristics as designing data of structures.