16 research outputs found
Global Imbalance and Korean Economy : In view of changes in exchange rates
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Όλ¬Έ(μμ¬) --μμΈλνκ΅ λνμ :κ²½μ νλΆ,2007.Maste
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Όλ¬Έ (μμ¬)-- μμΈλνκ΅ λνμ : μνκ³Ό μ€κ°μν μ 곡, 2016. 2. μ΄μ건.The 5-lipoxygenase is a key enzyme involved in the biosynthesis of leukotrienes and its inhibition showed neuroprotective effects in various models of central nervous system diseases such as cerebral ischemia, epilepsy, and Alzheimers disease. In this study, we investigate whether zileuton, administered after intracerebral hemorrhage (ICH), can reduce cerebral edema and hemorrhage volume in a rodent experimental model of ICH. ICH was induced via stereotactic administration of bacterial collagenase in Sprague-Dawley rats. Edema was calculated as the increased amount of water content of the cerebral hemisphere compared to that of the cerebellum, Hemorrhage size was quantified by a spectrophotometric assay. Edema was reduced in the double-dose group compared to the ICH-only group (3.50Β±0.17% vs. 5.22Β±0.37%p=0.008). The administration of zileuton did not show a change in hemorrhage size (p=0.548). These results show zileuton treatment may have neuroprotective effects after ICH through reduction of perihematomal edema.Introduction 1
Materials and Methods 3
Results 6
Discussion 8
References 12
Abstract in Korean 20Maste
Effects of Martensite Morphology and Tempering on Dynamic Deformation Behavior of Dual Phase Steels
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(A) Study on the Regional Ruling System of Baekje shown from the Grant of Ornaments
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Όλ¬Έ(λ°μ¬) --μμΈλνκ΅ λνμ :κ΅μ¬νκ³Ό,2009.2.Docto
A Study on Image Quality Improvement in Halftoning and Multitoning with Structure Information
MasterIn this thesis, we propose a new halftoning scheme that preserves the structure and tone similarities while maintaining the simplicity of Floyd-Steinberg error diffusion. Our algorithm is based on Floyd-Steinberg error diffusion algorithm, but it is modified in the part of the threshold modulation to improve over-blurring of Floyd-Steinberg error diffusion algorithm. Since our algorithm changes the quantizer thresholds according to the structure information and random noise, it preserves the details in the textured region. Simultaneously, it also reduces visual artifacts of the original error diffusion in the uniform region. Unlike existing error diffusion algorithms, the proposed algorithm preserves fine texture very well even in low contrast images. Our algorithm has been tested on various types of images including low contrast images and shows visually pleasing results both in the textured region, and in the uniform region.Plasma Display Panels (PDPs) suffer from motion artifacts such as motion picture distortion (MPD). To reduce MPD, PDPs use the limited gray levels instead of the whole 256 gray levels. Therefore we need multitoning to represent the absent gray levels among the whole gray levels. We extend our algorithm for multitoning in PDP
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