• 한국교육학연구
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• 제24권3호
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• pp.167-189
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• 2018

본 연구는 경기교육종단연구 중1 코호트의 1, 2차년도 데이터와 초4 코호트의 4, 5차년도 데이터를 사용하여 혁신학교 일반화의 일환으로 실시된 혁신학교 확대 운영 정책이 경기도 중학교의 학교효과성 변화에 미치는 영향을 분석하였다. 혁신학교 일반화 이전과 이후에 중학교 2학년의 학업성취도, 학교만족도, 자발적 주도적 창의성, 공동체의식에 대한 혁신학교의 학교효과성을 비교하기 위해 반복 횡단면 자료를 이용한 이중차분법 모형을 적용하였다. 분석 결과 혁신학교는 혁신학교 일반화 이전에는 일반학교와 크게 다르지 않은 학교효과성을 나타내었다. 그러나 혁신학교 일반화 이후에는 학업성취 및 학교만족도에 대하여 일반학교에 비해 학교효과성이 유의하게 향상된 것으로 나타났다. 이러한 변화는 기존 혁신학교들이 연차가 축적됨에 따라 학업성취에 대한 학교효과성이 향상되고 높은 수준의 학교만족도를 유지하는 한편, 혁신학교 양적 확대에 따라 학업성취에 대한 효과성이 뛰어난 일반학교들이 추가로 혁신학교로 전환되면서 학교만족도에 대한 효과성이 향상된 것에 기인하는 것으로 밝혀졌다. 반면 자발적 주도적 창의성이나 공동체의식에 대한 학교효과성은 양적 확대 이전과 이후에 모두 혁신학교와 일반학교 간 차이가 유의하지 않은 것으로 판명되었다. 이상의 분석 결과를 바탕으로 혁신학교 일반화 정책을 평가하고, 정책 개선 방안에 대해 논의하였다.

• 교육시설 논문지
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• 제27권1호
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• pp.11-19
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• 2020

The purpose of this study is to think about the educational effect of school space innovation project through user participation, to investigate and analyze the actual situation of user participation school space innovation project of elementary, middle and high schools of Incheon Metropolitan Office of Education, The educational effect was analyzed. After the students and teachers participated in the improvement of the school space, the students' skills were improved. Overall, emotional abilities were most cultivated, and elementary school students were most physically cultivated. The intimacy created by participation and activities and play-oriented projects may have helped to develop students' abilities. In addition, the school became fun after user participation, and there was a positive effect of increasing a sense of apathy and belonging. The expansion of user participation has resulted in not only the satisfaction of space but also the friendship and emotional part of students. As a result of this study, the school space constructed through the user participation process brought about significant educational changes in school life and individual quality of life in the learning activities and school life of teachers and students, the main users of the school space.

• The Journal of Asian Finance, Economics and Business
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• 제8권1호
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• pp.655-663
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• 2021

This paper aims to develop a conceptual framework for determinants of spillover effects of FDI on technology innovation of Vietnamese enterprises. The research proposes a logistic regression model for assessing how enterprises' ability to implement technological innovation is affected by the presence of FDI enterprises as well as other factors that show the change through the indirect influence of FDI such as the size of the enterprise, the type of enterprise, and the skill level of the labor force or its research and development activities. Five forms of technology innovation are considered: improving production process; product quality improvement; product expansion; expanding business activities into a new field of production; and changing business activities into a new field of production. General Statistics Office of Vietnam provided survey data to collect information from 3,166 enterprises in the manufacturing and processing industry in Hanoi, which were valid for analysis. The results show that all variables of enterprise type, size, R&D, and industry have a positive impact on the selection of one of the innovation forms. Several recommendations are further suggested to take advantage of the positive effects and minimizing the negative effects of FDI for technological innovation of Vietnamese enterprises.

• Nuclear Engineering and Technology
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• 제54권10호
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• pp.3682-3694
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• 2022

The expansion of a country's ecological footprint generates resources for economic development. China's import bill and carbon footprint can be reduced by investing in green transportation and energy technologies. A sustainable environment depends on the cessation of climate change; the current study investigates nuclear energy efficiency, economic complexity, air transportation, and industrial improvement for reducing environmental footprint. Using data spanning the years 1983-2016, the dynamic autoregressive distributed lag simulation method has demonstrated the short- and long-term variability in the impact of regressors on the ecological footprint. The study findings revealed that economic complexity in China had been found to have a statistically significant impact on the country's ecological footprint. Moreover, the industrial improvement process is helpful for the ecological footprint in China. In the short term, air travel has a negative impact on the ecological footprint, but this effect diminishes over time. Additionally, energy innovation is negative and substantial both in the short and long run, thus demonstrating its positive role in reducing the ecological footprint. Policy implications can be extracted from a wide range of issues, including economic complexity, industrial improvement, air transportation, energy innovation, and ecological impact to achieve sustainable goals.

• 한국수소및신에너지학회논문집
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• 제35권3호
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• pp.257-268
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• 2024

Hydrogen serves as a clean energy source with potential applications across various sectors including electricity, transportation, and industry. In terms of policy and economic support, governmental policy backing and economic incentives are poised to accelerate the commercialization and expansion of hydrogen energy technologies. Hydrogen energy is set to become a cornerstone for a sustainable future energy system. Additionally, when constructing hydrogen production plants, economic aspects must be considered. The essence of hydrogen production plants lies in the electrolysis of water, a process that separates water into hydrogen and oxygen using electrical energy. The initial capital expenditure (CAPEX) for hydrogen production plants can vary depending on the electrolysis technology employed. This study aims to provide a comprehensive understanding of hydrogen production technologies as well as to propose a method for predicting the CAPEX of hydrogen production plants.

• Current Optics and Photonics
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• 제8권2호
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• pp.162-169
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• 2024

This study investigates the temperature sensitivities of fiber Bragg grating (FBG) across a broad temperature spectrum ranging from -196 ℃ to 900 ℃. We developed the FBG temperature measurement system using a high-temperature tubular furnace and liquid nitrogen to supply consistent high and low temperatures, respectively. Our research showed that the FBG temperature sensitivity changed from 1.55 to 10.61 pm/℃ in the range from -196 ℃ to 25 ℃ when the FBG was packaged with a quartz capillary. In the 25-900 ℃ range, the sensitivity varied from 11.26 to 16.62 pm/℃. Contrary to traditional knowledge, the FBG temperature sensitivity was not constant. This inconsistency primarily stems from the nonlinear shifts in the thermo-optic coefficient and thermal expansion coefficient across this temperature spectrum. The theoretically predicted and experimentally determined temperature sensitivities of FBGs encased in quartz capillary were remarkably consistent. The greatest discrepancy, observed at 25 ℃, was approximately 1.3 pm/℃. Furthermore, it was observed that at 900 ℃, the FBG was rapidly thermally erased, exhibiting variable reflected intensity over time. This study focuses on the advancement of precise temperature measurement techniques in environments that experience wide temperature fluctuations, and has considerable potential application value.

• 생명과학회지
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• 제29권4호
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• pp.447-454
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• 2019

비만은 에너지의 불균형으로 인하여 체내 지방조직에 지방이 축적되는 대사성질환으로 심혈관계 질환, 고혈압, 2형 당뇨, 고지혈증 및 각종 암의 발생 빈도를 증가시키는 요인이다. 지방의 축적은 지방전구세포가 지방세포로 분화하는 과정을 의미하는 adipogenesis라는 과정을 거쳐서 일어난다. 지방세포로의 분화는 다양한 호르몬과 전사인자들의 상호작용에 의해서 일어난다. 본 연구에서는 팔각회향이 항비만 소재로 활용 가능한지 확인하기 위해, 팔각회향 물 추출물을 분획하여 지방축적 억제 활성이 좋은 dichloromethane층을 선정하였다. 3T3-L1 지방전구세포가 성숙한 지방세포로 분화할 때 팔각회향 dichloromethane 층이 어떠한 기전으로 분화를 조절하는지 확인한 결과, 지방세포 분화에서 중요한 전사인자인 C/EBP family, $PPAR{\gamma}$의 발현이 억제되었고, 지방세포 최종 분화 마커로 알려져 있는 FAS 및 LPL의 발현 또한 감소되었다. 또한 G1기에서의 세포주기 정지를 통해 지방세포 분화 단계에서 필수적인 mitotic clonal expansion 단계를 억제한다는 결과를 얻었다. 이러한 연구 결과는 팔각회향이 항비만 효과를 가지는 천연물 소재로의 활용가능성을 보여주는 기초 자료가 될 것으로 사료된다.

• 경영정보학연구
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• 제25권4호
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• pp.291-314
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• 2023

데이터 경제의 확산과 함께 개인 데이터를 개인이 주도하는 생태계를 구현하기 위해 마이데이터의 개념이 등장했다. 마이데이터는 다양한 영역에서 개인이 주체적으로 정보를 관리 및 통제하고 이를 통해 기업은 혁신적인 서비스를 제공할 수 있을 것으로 기대되고 있다. 그 중에서도 금융 분야에서는 개인이 마이데이터를 2022년부터 도입하여 활발히 활용하고 있으며 금융기관뿐만 아니라 빅테크 및 핀테크 기업까지도 적극적으로 가세하여 빠른 확장세를 보일 것으로 예상된다. 금융분야에서 마이데이터 산업이 지속적으로 성장하기 위해서는 개인 사용자의 다양한 수용행동을 살펴볼 필요성이 있지만 기존 연구들은 주로 긍정적 수용행동에 초점을 두고 있다는 한계점을 가진다. 이에 본 연구는 혁신저항 및 수용저항에 초점을 두고 사용자의 개인특성과 혁신특성이 미치는 영향을 분석하였다. 분석 결과, 개인정보유출우려, 기술변화속도, 현상유지관성, 정보제공민감성, 기술스트레스가 마이데이터 서비스에 대한 불신과 혁신저항을 증가시킨다는 사실을 발견하였으며 이는 수용지연과 수용거부와 같은 수용행동으로 이어질 수 있음을 확인하였다. 본 연구 결과는 금융 마이데이터 서비스가 확산되고 있는 시장에서 사용자 행동에 관한 이론 및 실무적 통찰력을 제공한다.

• 대한치과교정학회지
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• 제52권4호
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• pp.308-312
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• 2022

Since the emergence of neonatal infant orthodontics for treatments of cleft lip and palate with or without Robin sequence (RS) in Europe in the 1950s, advancements in design and scope of its application have been remarkable. As the first institution to adopt orthodontic airway plate (OAP) treatment in the United States in 2019, we saw a need for innovation of the original design to streamline the most labor-intensive and time-consuming aspects of OAP utilization. A solution is introduced using a systematic split expansion mechanism to re-size the OAP periodically to accommodate the neonate's maxillary growth. To date, seven RS patients have received this modified treatment protocol at our institution. Each patient completed full treatment using only one OAP. This innovative utilization method is aptly named the split orthodontic airway plate (S-OAP). Details of the S-OAP and its modifications from conventional OAP are reported.

• 아태비즈니스연구
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• 제14권3호
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• pp.1-16
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• 2023

Purpose Despite the ongoing digital transformation, it is not clear whether emerging market firms follow their manufacturing FDI path in the emerging digital industries. This paper examines how digital orientation affects the location strategies in internationalization and how the existing innovation capacities moderate the link between digital orientation and the location strategies. Design/methodology/approach This study chooses the Chinese setting for research design because digital transformation is already prevalent in the society and the cases of outward expansion are salient among the emerging markets. It uses the panel dataset of 976 Chinese listed firms that consists of 6,648 observations spanning from 2007 to 2017. Ordinary least square regression is used for the statistical approach with a one-year lag in the model. Findings Digital orientation increases a likelihood of emerging multinationals' entries in developed countries, and a high level of innovative capacities strengthens the link. Two groups seem to prefer entries in developed countries: firms with a high level of digital orientation with a high level of innovative capacities and firms with a low level of digital orientation, if with a low level of innovative capacities. The former reflects the context of digital transformation and the latter hints at the tax avoidance or interests in real estate. Research implications or originality While emerging multinationals are known to prefer entries in developing countries for capacity arbitrage, our results forecast that their FDI strategies may have a drastic change as digital transformation deepens.