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The Characteristics of Othello as a Tragic Hero
柳在浩 空軍士官學校 1970 論文集 Vol.3 No.-
In the criticism of Othello R.B. Heilman points out that "Othello's fine but simple 'extrovert' nature." is "suited for action but not for perception and reflection". Dr. Johnson also remarked in a few words about the essence of Othello: "The fiery openness of Othello, magnanimous, artless, and credulous, boundless in his confidence, ardent in his affection, inflexible in his resolution, and obdurate in revenge".
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Pure Varus Injury to the Knee Joint
유재호,이정하,장종범 대한정형외과학회 2015 Clinics in Orthopedic Surgery Vol.7 No.2
A 30-year-old male was involved in a car accident. Radiographs revealed a depressed marginal fracture of the medial tibial plateau and an avulsion fracture of the fibular head. Magnetic resonance imaging showed avulsion fracture of Gerdy’s tubercle, injury to the posterior cruciate ligament (PCL), posterior horn of the medial meniscus, and the attachments of the lateral collateral ligament and the biceps femoris tendon. The depressed fracture of the medial tibial plateau was elevated and stabilized using a cannulated screw and washer. The injured lateral and posterolateral corner (PLC) structures were repaired and augmented by PLC reconstruction. However, the avulsion fracture of Gerdy’s tubercle was not fixed because it was minimally displaced and the torn PCL was also not repaired or reconstructed. We present a unique case of pure varus injury to the knee joint. This case contributes to our understanding of the mechanism of knee injury and provides insight regarding appropriate treatment plans for this type of injury.
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현장 분석 데이터 기반의 지속가능한 유연탄 수입국 평가 및 선정 연구: 다기준 의사결정(MCDM) 시나리오 분석을 중심으로
유재호,조승현,박민성,우지윤,전의찬 한국기후변화학회 2026 한국기후변화학회지 Vol.17 No.3
As South Korea relies entirely on overseas imports for bituminous coal used in power generation, establishing a stable and environmentally sustainable procurement portfolio has become a core challenge for national energy security. This study identifies optimal import countries by comprehensively considering empirical measured data on import volume, proximate analysis, and ultimate analysis of bituminous coal actually used in five major domestic thermal power plants, together with marine transportation distance as an indicator of environmental sustainability and sovereign credit-based geopolitical risk as an indicator of energy security. The Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS), a multi-criteria decision-making (MCDM) method, was applied to analyze four scenarios: Standard, Environment Priority, Efficiency Priority, and Security Priority. The results show that Australia and Canada ranked highest in most scenarios, indicating that they are the most stable import options. In the Environment Priority scenario, however, Indonesia ranked first because of its geographical proximity. Notably, Russia, despite showing the highest apparent economic feasibility owing to its short transportation distance and excellent calorific value, ranked at the bottom (7th) in virtually all scenarios because of its extremely high geopolitical risk. These findings indicate that, beyond conventional procurement practices focused solely on cost and quality, the environmental burden of transportation and uncertainty in international affairs act as critical constraints on supply chain optimization. Based on empirical field data, this study proposes a realistic and diversified bituminous coal import strategy that can simultaneously enhance energy security and reduce carbon emissions, offering meaningful academic and policy implications.
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유재호,김수현,전의찬 한국기후변화학회 2025 한국기후변화학회지 Vol.16 No.3
This study analyzes the research trends of climate technology in South Korea by collecting 285 related academic papers from the Korea Citation Index (KCI) and extracting a total of 1,893 keywords from their abstracts. Using topic modeling analysis, six major research topics were identified: (1) Development and Application of an Eco-Friendly Urban Design System, (2) Strategies for Climate Technology Cooperation and Corporate Management Utilization, (3) Legal and International Cooperation Measures for Carbon Neutrality and Climate Change Response through Climate Technologies, (4) Sustainable Development Strategies Based on Green Industry and Environmental Policy, (5) Analysis of the Impact of Low-Carbon Product Manufacturing on Consumer Behavior, and (6) Development and Application of Processes for Reducing Environmental Pollutants and Improving Energy Efficiency. The results show that the frequency of research on climate technology has increased significantly in response to major national policies such as the Framework Act on Low Carbon, Green Growth and the Climate Change Response Technology Development Promotion Act and that specific topics became more prominent during different periods. In particular, since 2020, the growing emphasis on ESG management and consumer awareness has led to an increase in related studies, particularly in Topic 5. Moreover, the annual hot topic analysis revealed that climate technology research has not been concentrated in a single domain, but has instead actively spanned multiple disciplines, including engineering and policy. This study provides a comprehensive overview of the current trajectory of domestic climate technology research and is expected to serve as a useful reference for future research planning and agenda-setting.
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유재호,최성욱,곽영태,김정현 한국고분자학회 2008 Macromolecular Research Vol.16 No.7
Poly(ε-caprolactone)-poly(ethylene glycol)-poly(ε-caprolactone) (PCL-PEG-PCL) multiblock copolymers at various hydrophobic-hydrophilic ratios were successfully synthesized by the chain extension of triblock copolymers through isocyanate (hexamethylene diisocyanate). Biodegradable films were prepared from the resulting multiblock copolymers using the casting method. The mechanical properties of the films were improved by chain extension of the triblock copolymers, whereas the films prepared by the triblock copolymers were weak and brittle. Atomic force microscopy (AFM) of the multiblock copolymer film showed that the hydrophilic PEG had segregated on the film surface. This is consistent with the observed contact angle of the films.
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성지순례 가치가 감정반응 및 전반적 만족에 미치는 영향 분석: ZMET을 활용한 성지순례 가치 척도 유용성 검증
유재호,백규리,이계희 한국관광연구학회 2025 관광연구저널 Vol.39 No.5
This study aims to expand empirical research on pilgrimage values by validating a conceptual framework derived from a prior qualitative study on Christian pilgrims. In the preceding research, the Zaltman Metaphor Elicitation Technique (ZMET) was employed to explore the core values pursued by Korean Christian pilgrims who had visited the Holy Land in Israel. Based on the results of that study, this research developed a pilgrimage value scale composed of five dimensions—faith maturity, koinonia, novelty seeking, biblical understanding, and biblical experience—across 26 items. The reliability and validity of the scale were assessed using exploratory factor analysis (EFA) and structural equation modeling (SEM). The findings indicate that pilgrimage values had a significant and positive effect on emotional response and overall satisfaction, confirming the scale’s conceptual accuracy and measurement precision. Furthermore, the study empirically demonstrated the utility of ZMET as an effective exploratory tool for qualitative researchers. The developed pilgrimage value scale reflected the inner psychology of modern pilgrims and is expected to contribute not only to the expansion of quantitative research but also to the practical development of pilgrimage tourism products in the industry.
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