• Journal of The Korean Society of Agricultural Engineers
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• v.46 no.2
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• pp.15-25
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• 2004

For the effective operation of irrigation reservoirs, a general and systematic policy is suggested to make balance of the conflicting purposes between water conservation and flood control. In this study, the flood effective analysis system was developed through the integration of long-term water budget analysis model, GIS-based HEC-HMS model and HEC-RAS model. The system structure consists of long-term water budget model using modified TANK theory, flood runoff and flood effects analysis model using HEC-GeoHMS, HEC-HMS and HEC-RAS models. The flood effects analysis system simulated the flood runoff from the upstream, downstream flood and long-term runoff of the watershed using the observed data collected from 1998 to 2002 of Seongju dam. The simulated results were reasonably good compared with the observed data. The optimal management method of the reservoir during the whole season is suggested in this study, and the flood analysis system can be a useful tool to evaluate a reservoir operation quantitatively for the mitigation of flood damages of reservoir basin.

• Proceedings of the Korea Association of Crystal Growth Conference
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• 1999.06a
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• pp.361-369
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• 1999

New method of control based upon a physical model of the Stepanov growth technique has been developed. The controller keeps the system stable and completely denies operator's interference into the process. The system demonstrates very reliable results under commercial production of shaped sapphire crystals.

• Proceedings of the Korean Society of Toxicology Conference
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• 2001.10a
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• pp.154-155
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• 2001

Cyclooxygenase-2 (COX-2) is an inducible enzyme expressed in response to a variety of proinflammatory agents and cytokines. COX-2 expression has been shown to be elevated in several different types of human cancer. The presence of oncogenic ras has been associated with constitutive induction of COX-2 in certain H-ras transformed cells, and COX-2 overexpression confers resistance to apoptosis.(omitted)

• Proceedings of the Optical Society of Korea Conference
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• 2004.02a
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• pp.346-347
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• 2004

• Proceedings of the Korean Society of Toxicology Conference
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• 2002.11b
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• pp.141-141
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• 2002

Transforming growth factor-${\beta}$ (TGF-${\beta}$), a hormonally active polypeptide found in normal and transformed tissues, regulates cellular growth and phenotyphic plasticity. We have previously shown that H-ras, but not N-ras, induces invasive phenotype in MCF10A human breast epithelial cells.(omitted)

• Proceedings of the PSK Conference
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• 2003.10b
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• pp.153.2-154
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• 2003

Extracts of Artemisia asiatica Nakai (Asteraceae) possess anti-inflammatory and anti-oxidative activities. Eupatilin (5,7-dihydroxy-3,4,6-tri-methoxy-flavone), one of the pharmacologically active ingredients derived from Artemisia asiatica, was shown to induce apoptosis in human promyelocytic leukemia (HL-60) cells (H.-J. Seo and Y.-J. Surh, Mutat. Res., 496, 191-198, 2001). In the present study, we examined the cytostatic effects of eupatilin in H-ras-transformed human breast epithelial (MCF10A-ras) cells. (omitted)

• Carbon letters
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• v.3 no.3
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• pp.142-145
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• 2002

Multiwall carbon nanotubes (MWNT) were produced using the arc-discharge graphite evaporation technique. Composite films were developed using MWNT dispersed in polystirol polymer. In the present work, various properties of the polymeric thin film containing carbon nanotubes were investigated by optical absorption, electrical resistivity and the same have been discussed.

• Korean Journal of Materials Research
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• v.30 no.1
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• pp.50-50
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• 2020

• Nuclear Engineering and Technology
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• v.52 no.9
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• pp.2034-2040
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• 2020

The gas evolution from mixtures consisting of 0.2 M solution of N,N,N',N'-tetra-n-octyldiglycolamide (TODGA) in n-alcohol (n-decanol or n-nonanol) with Isopar-M diluent was investigated during thermal oxidation. The effect of ionizing radiation on their thermal stability has been studied. It has been determined that the volume of gaseous thermolysis products increases by 260% in the case of n-nonanol and 80% in the case of n-decanol compared to non-irradiated solutions. It has been shown that the gas evolution rate and gas volume increase when the irradiated mixture saturated with nitric acid is heated. However, there are no prerequisites for the development of autocatalytic oxidation.

• The Journal of Korean Medicine
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• v.33 no.2
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• pp.73-77
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• 2012

Objectives: This report reports a clinical case of a patient with recurrent aphthous stomatitis (RAS) for 10 years who was completely cured using Korean medicine. Methods: A male patient with terribly severe RAS was hospitalized, and then treated with Jibaekpalmi-hwon, indirect moxibustion (KI 1 and CV 4) and acupuncture. The clinical outcome was observed by self-reported VAS measurement and macroscopy. Results: The severity of stomatitis became improved gradually and completely recovered during 17 hospital days, and RAS has not recurred for three months as an outpatient. The blood test including complement activity was in the normal range. Conclusions: This case report provides information about a therapeutic effect of Jibaekpalmi-hwon and Korean medicine on RAS.