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Effects of rehydration fluid temperature and composition on body weight retention upon voluntary drinking following exercise-induced dehydration

  • Park, Sung-Geon;Bae, Yoon-Jung;Lee, Yong-Soo;Kim, Byeong-Jo
    • Nutrition Research and Practice
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    • v.6 no.2
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    • pp.126-131
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    • 2012

  • The purpose of this study was to determine the effects of beverage temperature and composition on weight retention and fluid balance upon voluntary drinking following exercise induced-dehydration. Eight men who were not acclimated to heat participated in four randomly ordered testing sessions. In each session, the subjects ran on a treadmill in a chamber maintained at $37^{\circ}C$ without being supplied fluids until 2% body weight reduction was reached. After termination of exercise, they recovered for 90 min under ambient air conditions and received one of the following four test beverages: $10^{\circ}C$ water (10W), $10^{\circ}C$ sports drink (10S), $26^{\circ}C$ water (26W), and $26^{\circ}C$ sports drink (26S). They consumed the beverages ad libitum. The volume of beverage consumed and body weight were measured at 30, 60, and 90 min post-recovery. Blood samples were taken before and immediately after exercise as well as at the end of recovery in order to measure plasma parameters and electrolyte concentrations. We found that mean body weight decreased by 1.8-2.0% following exercise. No differences in mean arterial pressure, plasma volume, plasma osmolality, and blood electrolytes were observed among the conditions. Total beverage volumes consumed were $1,164{\pm}388$, $1,505{\pm}614$, $948{\pm}297$, and $1,239{\pm}401$ ml for 10W, 10S, 26W, and 26S respectively ($P$ > 0.05). Weight retention at the end of recovery from dehydration was highest in 10S ($1.3{\pm}0.7kg$) compared to 10W ($0.4{\pm}0.5kg$), 26W ($0.4{\pm}0.4kg$), and ($0.6{\pm}0.4kg$) ($P$ < 0.005). Based on these results, carbohydrate/electrolyte-containing beverages at cool temperature were the most favorable for consumption and weight retention compared to plain water and moderate temperature beverages.

  • https://doi.org/10.4162/nrp.2012.6.2.126 인용 PDF KSCI

Technical Trends of Multivision Service (멀티비전 서비스 기술 동향)

  • Kim, K.Y.;Yoon, J.W.;Lyu, W.
    • Electronics and Telecommunications Trends
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    • v.27 no.5
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    • pp.126-133
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    • 2012

  • 멀티비전이라 함은 하나의 영상을 확대시키거나 축소할 수 있고 이것을 다수대의 영상표시기기 등 영상출력수단을 연결 디스플레이하는 시스템을 말한다. 이와 같은 멀티비전 시스템은 최근 각광받는 디지털 사이니지용 스크린을 이용한 광고, 전시 홍보에 널리 사용되며 N-스크린 서비스와 같이 다양한 스크린 단말에서의 연동 서비스로서 활용될 수 있다. 본고에서는 디지털 사이니지의 멀티비전 서비스나 감시 보안용 멀티비전으로 사용되는 서비스 시스템에 대해 유형별로 조사해보고 장 단점을 비교해 보고 이와 같은 멀티비전을 활용하는 국내외 서비스 동향에 대해 살펴본 뒤 보다 개선된 멀티비전 시스템의 나아갈 방향을 제시하고자 한다.

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The Functions of Polyoxyethylene Tocopherylethers in the Formulations of Cosmetics (화장품 제형에서 폴리옥시에틸렌 토코페릴에테르의 기능)

  • 김영대;김창규
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.19 no.1
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    • pp.108-126
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    • 1993

  • The functions of polyoxyethylene tocopheryl ethers [POE(n)TEs] in emulsion, solubilization and gel were studied. For emulsification of liquid paraffin, POE(10)TE showed better emulsifying effect in O/W emulsions than others tested. The effects of oil and polyol content on the formulation of W/O and O/W emulsions were also studied. In O/W emulsion, the viscosity was increased by increasing the liquid paraffin content, at about 70%, and slightly increased by increasing the propylene glycol content, However, in W/O emulsion, the viscosity was decreased by increasing the oil content, and also decreased by increasing the propylene glycol content, For solubilization of perfume oil, POE(18)TE showed better solubilizing effect than the others tested. The gelling effect of POE(n)TEs increased with ethylene oxide chain length up to 50 moles. The gelling property was evaluated for hardness and viscosity.

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Flat-panel CRT with channel guides

  • Vissenberg, M.C.J.M.;Ijzerman, W.L.;Cortenraad, H.M.R.;Hiddink, M.G.H.
    • 한국정보디스플레이학회:학술대회논문집
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    • 2003.07a
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    • pp.126-129
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    • 2003

  • Electron beam guides hold the promise of a flat-panel display based on CRT technology. We propose to integrate the periodic focusing electrodes of such beam guides on a glass channel plate for a robust and simple design. The feasibility of this idea is tested numerically and experimentally.

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ETRI신기술-Gigabit 정보통신 시스템 S/W 기술

  • Electronics and Telecommunications Research Institute
    • Electronics and Telecommunications Trends
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    • v.14 no.4 s.58
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    • pp.126-128
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    • 1999

  • GIANT(Gigabit Information-processing And Networking Technology)는 초고속 정보통신망 환경에서 취급되어지는 멀티미디어 정보를 처리할 수 있는 플랫폼을 의미한다. GIANT는 분산 환경에서 컴퓨터를 이용하는 사용자간 공동작업을 가능하도록 지원하는 시스템으로 원격자의 사용자들은 영상/음성을 이용한 통신 기능과 정보/아이디어를 공유하는 데 필요한 보조 도구들을 활용하여 상호 대화 및 협동작업을 수행할 수 있다.

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