• Title/Summary/Keyword: Laboratory characteristics

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Web Program for Laboratory Animal Group Separation Based on Biological Characteristics (생체지표를 활용한 웹기반의 실험동물 군(郡) 분리 프로그램)

  • Kim, Chang-Hwan;Lee, Dae-Sang
    • KSBB Journal
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    • v.27 no.1
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    • pp.40-44
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    • 2012
  • The laboratory animal group separation is dividing animal population into subgroups, which have similar average and standard deviation values among the subgroups, based on the biological characteristics such as body weight, glucose level in blood, etc. Although group separation is very important and initial step in experimental design, it needs a labor intensive process for researchers because of making similar average and standard deviation values among the subgroups using the raw biological characteristics. To reduce the labor cost and increase the efficiency of animal grouping, we developed a web program named as laboratory animal group separation (LAGS) program. This LAGS uses biological characteristics of population, number of group, and the number of elements per each subgroup as input data. The LAGS automatically separates the population into each subgroup that has similar statistical data such as average and standard deviation values among subgroups. It also provides researchers with the extraordinary data generated in the process of grouping and the final grouping results by graphical display. Through our LAGS, researchers can validate and confirm results of laboratory animal group separation by just a few mouse clicks.

Emission Profile Studies of Thermionic Cathodes and Field Emitters

  • Tawa, Yasuhiro;Kai, Junjiro;Tama, Masayoshi;Ijima, Kenji;Saito, Tsunenari
    • 한국정보디스플레이학회:학술대회논문집
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    • 2002.08a
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    • pp.371-375
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    • 2002
  • Emissions of thermionic cathodes and field emitters were studied using a cathode emission profiler which works based on the anode scanning method. Findings about impregnated cathodes in thermal activation and gas poisoning processes are shown. Effects of surface treatments for field emitters are studied from the viewpoint of emission profiles and characteristics of the emitters.

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Thermal Characteristics of a Laser Diode Integrated on a Silica-Terraced PLC Platform

  • Kim, Duk-Jun;Han, Young-Tak;Park, Yoon-Jung;Park, Sang-Ho;Shin, Jang-Uk;Sung, Hee-Kyung
    • ETRI Journal
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    • v.27 no.3
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    • pp.337-340
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    • 2005
  • A spot-size converted Fabry-Perot laser diode (LD) was flip-chip bonded to a silica-terraced planar lightwave circuit(PLC) platform to examine the effect of the silica terrace on the heat dissipation of the LD module. From the measurement of the light-current characteristics, it was discovered that the silica terrace itself is not a strong thermal barrier, but the encapsulation of the integrated LD with an index-matching polymer resin more or less deteriorates the heat dissipation.

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Influence of Silicon and Seed Particles on the Reconstruction Characteristics and Exaggerated Grain Growth of MgO Protective Layer by Over-Frequency Accelerated Discharge in ACPDPs

  • Kwon, Sang-Koo;Kim, Jeong-Ho;Moon, Seung-Kyu;Choi, Jong-Kwon;Park, Kyu-Ho;Han, Sung-Su
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.957-960
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    • 2008
  • The influences of silicon and MgO seed particle on the reconstruction characteristics of MgO protective layer were investigated to clarify the mechanism of reconstruction and exaggerated grain growth (EGG) in AC-PDP. The reconstruction and EGG are closely correlated with the driving force for nucleation and growth, interface energy and initial size distribution of MgO protective layer in plasma space during discharge in AC-PDP.

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Viewing Angle Characteristics of the Ultra-FFS TFT-LCD

  • Kim, H.Y.;Noh, J.D.;Park, C.H.;Koh, J.W.;Lee, W.G.;Park, H.S.;Lee, S.H.
    • 한국정보디스플레이학회:학술대회논문집
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    • 2002.08a
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    • pp.459-462
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    • 2002
  • We report viewing angle characteristics of the Ultra-FFS TFT-LCD. The FFS mode is known to exhibit both a wide viewing angle and high transmittance, owing to the approximated in-plane rotation of the LC director. Nevertheless, in the bright state, the device shows bluish and yellowish color parallel and perpendicular to the LC director at off-normal directions since the LC director rotates onl.v in one direction, and in addition, the grey scale inversion exists in large oblique viewing angle. However, the Ultra-FFS shows no grey scale inversion and no color shift in wide viewing angle range.

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Reconstruction Characteristics of MgO (111) Textured Protective Layer by Over-Frequency Accelerated Discharge in AC Plasma Display Pannel

  • Kwon, Sang-Koo;Kim, Jeong-Ho;Moon, Seung-Kyu;Kim, Hyun-Ha;Park, Kyu-Ho;Kim, Sung-Tae
    • 한국정보디스플레이학회:학술대회논문집
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    • 2007.08a
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    • pp.224-227
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    • 2007
  • The reconstruction characteristics of MgO (111) textured protective layer by over-frequency accelerated discharge in AC-PDP were investigated and correlated to the variations of electronic structures. The reconstruction process and exaggerated grain growth (EGG) were explained by defect-assisted 2-D nucleation and growth mechanism combined with charged cluster model.

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Investigation of Isotope Selective Characteristics of the Strontium Magneto-optical Trap by the Fluorescence Detection

  • Ko Kwang-Hoon;Jeong Do-Young;Lim Gwon;Kim Taek-Soo;Cha Yong Ho;Cha Hyung Ki;Lim You-Kyoung
    • Journal of the Optical Society of Korea
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    • v.9 no.3
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    • pp.87-91
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    • 2005
  • The strontium magneto optical trap followed by a Zeeman slower has been demonstrated. The isotope selective characteristics of the trap have been investigated. The fluorescence spectrum of the MOT was compared with those of other high resolution spectroscopic methods. The red detuned deflection beam is also considered for a more selective spectrum.

Transfer characteristics of a lithium chloride-potassium chloride molten salt

  • Mullen, Eve;Harris, Ross;Graham, Dave;Rhodes, Chris;Hodgson, Zara
    • Nuclear Engineering and Technology
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    • v.49 no.8
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    • pp.1727-1732
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    • 2017
  • Pyroprocessing is an alternative method of reprocessing spent fuel, usually involving the dissolving spent fuel in a molten salt media. The National Nuclear Laboratory designed, built, and commissioned a molten salt dynamics rig to investigate the transfer characteristics of molten lithium chloride-potassium chloride eutectic salt. The efficacy and flow characteristics of a high-temperature centrifugal pump and argon gas lift were obtained for pumping the molten salt at temperatures up to $500^{\circ}C$. The rig design proved suitable on an industrial scale and transfer methods appropriate for use in future molten salt systems. Corrosion within the rig was managed, and melting techniques were optimized to reduce stresses on the rig. The results obtained improve the understanding of molten salt transport dynamics, materials, and engineering design issues and support the industrialization of molten salts pyroprocessing.

Enhanced in vitro/in vivo Characteristics of Glucagon-like Peptide-1 by PEGylation

  • Han, H.S.;Youn, Y.S.;Oh, S.H.;Hong, S.T.;Lee, J.E.;Lee, S.O.;Lee, K.C.
    • Proceedings of the PSK Conference
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    • 2003.04a
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    • pp.298.2-298.2
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    • 2003
  • The insulinotropic hormone, glucagons-like peptide-1 (GLP-1), which has been proposed as a new potential therapeutics for type-II diabetes, but this is metabolized extremely rapidly by the ubiquitous enzyme, dipeptidyl peptidase IV (DPP IV), forming a metabolite, which acts as an antagonist at the GLP-1 receptor. (omitted)

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