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신동준(Shin, Dongjoon),장지현(Jang, Jihyun) 계명대학교 국제학연구소 2018 국제학논총 Vol.27 No.-
This paper is a descriptive study comparing values and attitudes of Protestants in Korea and USA. Data of Korea and USA is extracted from World Value Survey, 6th wave to be analyzed for this study. Results show many statistically significant differences in values and attitudes on various issues between Korean Protestants and American Protestants. First, Korean Protestants are more likely to find the meaning of religions in religions itself than American Protestants are. Korean Protestants have more confidence in churches and are more likely to believe that their religion is the only acceptable religion. Meanwhile, American Protestants think religion is important in their life more strongly than Korean Protestants do. Second, the level of trust in family is higher for Korean Protestants than American Protestants. Third, Korean Protestants are more likely to believe that hard work usually brings a better life. They put more emphasis on work, thrift, and saving money than American Protestants do. Fourth, Korean Protestants have stronger orientation toward materialism and achievement. And They have more tendency to believe that larger income difference is needed as incentives for individual efforts and that people can only get rich at the expense of others. On the other hand, American Protestants are more likely to believe that a higher level of economic growth should be the goal of country and that competition is good. Fifth, Korean Protestants are more tolerant of the people of different race, foreign workers, and immigrants than American Protestants are. However, American Protestants trust strangers and people of another religion more than Korean Protestants do. Sixth, American Protestants are more likely to place greater value on authority and obedience than Korean Protestants are. Lastly, compared to American Protestants, Korean Protestants tend to think that wife beating, stealing, cheating on tax, and accepting bribe are justifiable but homosexuality, abortion, and divorce are not justifiable.
구조유도 연소반응 기반 금속 폼 내부의 탄소막 코팅 및 슈퍼 커패시터 전극 응용
황하영(Hayoung Hwang),신동준(Dongjoon Shin),김태원(Taewon Kim),박성현(Seonghyun Park),여태한(Taehan Yeo),최원준(Wonjoon Choi) 대한기계학회 2018 대한기계학회 춘추학술대회 Vol.2018 No.12
Hybrid structures based on porous metal foam have proven their versatile utilization for electrochemical applications. The porous metal foam provides large-surface area and conductive path for charging-discharging, while additional coatings on the foam enable the functional extension. However, the fabrication of the functional coatings requires the complex process which incur the high-cost. In this work, we report a facile fabrication route of carbon coating layers on the inner surfaces of the porous metal foam, based on structure-guided combustion waves (SGCWs) and their applications for developing supercapacitor electrodes. SGCWs passing through the hybrids of nickel foams and chemical fuels directly enabled the fabrication of the carbon coatings on the inner nickel backbones as core-shell Ni@C, because incompletely combusted carbonaceous fuels remained as amorphous carbon coatings. The carbon coatings were used as templates for MnO2 shells to synthesize the core-shell Ni@MnO2 foams, as supercapacitor electrodes which showed the outstanding specific capacitance (~660 F/g) and capacitance retention (~95.4% more than 10,000 cycles).
멀티스케일 복합 구조 기반 열-유체-에너지 전달 현상 제어
최원준(Wonjoon Choi),황하영(Hayoung Hwang),여태한(Taehan Yeo),신동준(Dongjoon Shin),서병석(Byungseok Seo),강성구(Sunggu Kang),이상준(Sang Jun Lee),서경범(Kyungbeom Seo),이재민(Jaemin Lee) 대한기계학회 2017 대한기계학회 춘추학술대회 Vol.2017 No.11
Hybrid structures from nano-microscale to macroscale contribute to further manipulation of thermal-fluidic-energy transport making them useful in many applications. I will introduce ongoing researches utilizing thermal-fluidic-energy transports in hybrid structures. Topics will cover (1) Layer-by-Layer (LbL)-based coatings of porous structures for enhanced phase change heat transfer, (2) nanofluidic sensing of micro-nanomaterials using aqueous two-phase system, (3) active control of materials properties using structural and physicochemical transformation via the structure-guided combustion waves for the fabrication of energy materials, (4) local thermal energy control through thermal metamaterials using the manipulation of continuum heat transfer, (5) self-sustaining liquid-motion-sensing platform for continuous monitoring of dynamics using thermoelectrics and triboelectrics and (6) thermal analyses in hybrid systems, such as photo-thermal or electrical-thermal interaction.