Search Results - "YOO, H.H."

Current Status of Photovoltaic Development at AFRL by Merrill, J., Hausgen, P.E., Senft, D.C., Yoo, H.H.

“…Advances in design and manufacturing technology of crystalline multijunction solar cells have continued to push efficiencies higher. Triple junction cells with…”
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DYNAMIC ANALYSIS OF A ROTATING CANTILEVER BEAM BY USING THE FINITE ELEMENT METHOD by CHUNG, J., YOO, H.H.

“…A finite element analysis for a rotating cantilever beam is presented in this study. Based on a dynamic modelling method using the stretch deformation instead…”
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MODAL CHARACTERISTIC OF A ROTATING RECTANGULAR CANTILEVER PLATE by YOO, H.H., PIERRE, C.

“…Modal characteristics of a rotating cantilever plate are investigated in the present work. A dynamic modelling method for rectangular plates undergoing…”
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Effects of Diosmin, a Flavonoid Glycoside in Citrus Fruits, on P-Glycoprotein-Mediated Drug Efflux in Human Intestinal Caco-2 Cells by Yoo, Hye Hyun, Lee, Mijin, Chung, Hye Jin, Lee, Sang Kyu, Kim, Dong-Hyun

“…The effects of citrus flavonoids on P-glycoprotein (P-gp)-mediated drug efflux were examined in human intestinal Caco-2 cells. The cellular accumulation of…”
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DYNAMICS OF RECTANGULAR PLATES UNDERGOING PRESCRIBED OVERALL MOTION by YOO, H.H, CHUNG, J

“…A set of linear equations of motion for rectangular plates undergoing prescribed overall motion is derived in this paper. Two in-plane stretch variables, with…”
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Mechanism-based inactivation of cytochrome P450 3A4 by methylenedioxyphenyl lignans from Acanthopanax chiisanensis by Yoo, Hye Hyun, Lee, Sang-Hyun, Jin, Changbae, Kim, Dong-Hyun

“…The purpose of this investigation is to characterize the inhibition of CYP3A4 by methylenedioxyphenyl lignans isolated from ACANTHOPANAX CHIISANENSIS…”
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VIBRATION ANALYSIS OF ROTATING PRE-TWISTED BLADES WITH A CONCENTRATED MASS by YOO, H.H., KWAK, J.Y., CHUNG, J.

“…A modelling method for the vibration analysis of rotating pretwisted blades with a concentrated mass is presented in this paper. The blade has an arbitrary…”
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VIBRATION ANALYSIS OF ROTATING CANTILEVER BEAMS by Yoo, H.H., Shin, S.H.

“…Equations of motion of a rotating cantilever beam are derived based on a new dynamic modelling method in this paper. The derived equations (governing…”
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An anti-estrogenic lignan glycoside, tracheloside, from seeds of Carthamus tinctorius by Yoo, H.H.(Seoul National Univ. (Korea R.)), Park, J.H, Kwon, S.W

“…The lignan glycoside, tracheloside, was isolated from seeds of Carthamus tinctorius (Compositae) as an anti-estrogenic principle against cultured Ishikawa…”
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MODAL ANALYSIS OF ROTATING COMPOSITE CANTILEVER PLATES by YOO, H.H., KIM, S.K., INMAN, D.J.

“…A modelling method for the modal analysis of a rotating composite cantilever plate is presented in this paper. A set of linear ordinary differential equations…”
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Dynamics of flexible beams undergoing overall motions by Yoo, H.H., Ryan, R.R., Scott, R.A.

“…A modelling method for straight beams undergoing large overall motions as well as small elastic deformations is presented in this paper. Different from the…”
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Characterization Test and Operational Test for Sub-Modules of 200MW HVDC System-based Modular Multi-Level Converter by Ku, N.J., Lee, D. Y., Yoo, H.H., Jung, H. J.

“…Sub-module is the most basic unit of a modular multilevel converter. The design and reliability of a submodule is very important because it determines the…”
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Protective effects of broccoli (Brassica oleracea) against oxidative damage in vitro and in vivo by Cho, E.J.(Pusan National Univ., Busan (Korea R.)), Lee, Y.A, Yoo, H.H, Yokozawa, T

“…The antioxidative effect and protective potential against diabetes of the broccoli flower were investigated both in vitro and in a diabetic rat model. Among…”
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DYNAMIC MODELLING AND STABILITY ANALYSIS OF AXIALLY OSCILLATING CANTILEVER BEAMS by HYUN, S.H., YOO, H.H.

“…Dynamic stability of an axially oscillating cantilever beam is investigated in this paper. Equations of motion for the axially oscillating beam are derived and…”
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Commissioning Results of 20MW VSC-HVDC System for Wind Power Interconnection by Kang, H. J., Lee, J. C., Yoo, H.H., Jung, H-J

“…This paper introduces the structure and development history of the Hyosung 20MW, ±12kVDC VSC MMC HVDC connected the Haengwon wind farm by the BTB…”
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NON-LINEAR VIBRATION OF A FLEXIBLE SPINNING DISC WITH ANGULAR ACCELERATION by CHUNG, J., OH, J.-E., YOO, H.H.

“…Non-linear dynamic responses are analyzed for a flexible spinning disc with angular acceleration. Based on the Kirchhoff plate theory and the von Karman strain…”
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Humidity and thermal cycling effects on thin film solar cells by Jones, J.E., Granata, J.E., Hausgen, P.E., Yoo, H.H.

“…Extensive environmental testing is necessary to assess the ability of thin-film solar cells to survive launch and space operational conditions. Such testing is…”
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