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Jihyun Lee

Seoul, South Korea
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About Jihyun
tech journalist based in Seoul, South Korea with 5-year work experience LinkedIn : https://www.linkedin.com/in/jihyun-lee-********/

Cd(NH2SO3)2·xH2O (x = 0, 2): new sulfamates with a unique coordination environment and reversible phase transitions

16 Jun 2024  |  pubs.rsc.org
The article discusses the synthesis and characterization of new sulfamates, Cd(NH2SO3)2·xH2O (x = 0, 2), highlighting their unique coordination environment and reversible phase transitions. The study provides detailed insights into the structural properties and potential applications of these compounds in materials science.

10 Best Japanese Romantic Movies To Watch Now

08 May 2024  |  www.japannakama.co.uk
Japanese romantic movies offer a blend of poignant narratives and whimsical love tales, capturing the essence of romance through the unique lens of Japanese culture. From the massive hit 'Your Name' to the hidden gem 'Whisper of the Heart,' these films navigate the myriad facets of love with grace and sensitivity. Other notable mentions include 'Rurouni Kenshin,' 'We Couldn't Become Adults,' 'Drive My Car,' 'Howl's Moving Castle,' and 'We Made a Beautiful Bouquet,' each offering a unique perspective on love and relationships. These movies are celebrated for their authenticity, emotional depth, and poetic storytelling.

Students, community and belonging: an investigation of student experience across six European countries

09 Apr 2024  |  tandfonline.com
The study investigates student experiences of community and belonging across six European countries, focusing on how students define their university community in relation to institutional status and student diversity. In England and Ireland, students from prestigious universities like Oxbridge and HEI3 are perceived differently due to socio-economic backgrounds, while in Denmark and Germany, the differentiation is based on university ethos and practical orientations. The research also explores the 'within university' community, noting that diverse student populations can enhance personal development and belonging. However, feelings of anonymity and exclusion are common among non-traditional students, such as mature students or those with disabilities. The study concludes that the importance of community varies by country, influenced by residential models of higher education, the marketisation of education, and national traditions, affecting students' sense of belonging.

A Rare-Earth Selenite with Unexpectedly Well-Balanced Ultraviolet Nonlinear Optical Functionality, Sc(HSeO3)3

04 Apr 2024  |  onlinelibrary.wiley.com
Sc(HSeO3)3, a selenite-based ultraviolet nonlinear optical material, exhibits exceptional UV-NLO properties, including the shortest absorption edge among NLO-active selenites at approximately 214 nm, a wide band gap of 5.28 eV, a large phase-matchable second-harmonic generation response that is five times that of KH2PO4 (KDP), and a significant birefringence of 0.105 at 1064 nm. The research is associated with Sogang University in Seoul, Republic of Korea, and the Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China in Fuzhou, China.

Comparative Analysis of Biofilm Removal Efficiency and Tooth Wear between Mechanical Electric and Bioelectric Devices

26 Mar 2024  |  www.preprints.org
The study quantitatively compares the plaque-removal efficiency and tooth wear of bioelectric effect (BE) toothbrushes with mechanical electric toothbrushes. An electronic circuit was developed to generate the BE signal, and experiments were conducted using typodonts coated with artificial plaques. The BE toothbrush demonstrated higher plaque-removal efficiency and minimized tooth wear, suggesting its potential as a new solution for oral care.

An Experimental Evaluation of Path-Based Product Line Integration Testing and Test Coverage Metrics

25 Nov 2023  |  MDPI
The study evaluates the effectiveness of path-based product line integration testing and test coverage metrics in software product line testing (SPLT). It highlights the importance of minimizing redundant testing to reduce costs and improve quality. The research defines coverage metrics for path-based integration testing and demonstrates their effectiveness in preventing redundant testing and detecting faults. Experimental results show that the proposed method and metrics can significantly reduce testing costs and improve test coverage, ensuring efficient and effective product line testing.

Longitudinal Analysis of SARS-CoV-2-Specific Cellular and Humoral Immune Responses and Breakthrough Infection following BNT162b2/BNT162b2/BNT162b2 and ChAdOx1/ChAdOx1/BNT162b2 Vaccination: A Prospective Cohort in Naive Healthcare Workers

19 Oct 2023  |  mdpi.com
A prospective cohort study evaluated immune responses and breakthrough infections in 235 infection-naïve healthcare workers up to 13–15 months after initial vaccination with either BNT162b2 or ChAdOx1, followed by a BNT162b2 booster. The study found peak immune responses one to two months after the second or third dose, with gradual declines over six months. The ChAdOx1 group showed a more rapid decline in antibody levels after peak response compared to the BNT162b2 group. Breakthrough infections displayed higher neutralization activities against Omicron variants, suggesting cross-immunity. The study highlights the importance of understanding diverse immune response patterns for optimized vaccination strategies.

Gratitude and Connection: How the Japanese Elderly Keep a Positive Well-being

21 Aug 2023  |  japannakama.co.uk
The Japanese elderly maintain positive well-being through a balance of gratitude and connection, embracing cultural concepts such as Ikigai for purpose, Kansha for gratitude, and Tsukiai for social interaction. They view death with acceptance, influenced by Shinto and Buddhist beliefs, and engage in community activities and ancestor worship, which provide a sense of belonging and continuity. Despite societal changes, these practices contribute to their dignity and joy in later life.

Greater energy efficiency could double China’s economy sustainably – Analysis

21 Jan 2021  |  iea.org
China's commitment to doubling its economy by 2035 and achieving carbon neutrality by 2060 is underpinned by a shift towards greater energy efficiency. The IEA Sustainable Recovery Plan highlights the role of energy efficiency in spurring economic growth, creating jobs, and reducing emissions. China's past investments in energy efficiency have yielded long-term socioeconomic benefits, and the country is the world's largest ESCO market. Despite a recent slowdown in energy intensity reductions and ESCO investment growth, government incentives and private sector engagement, such as venture capital funding and green bonds, are poised to boost investment and innovation in energy efficiency. Standards for defining and monitoring energy efficiency projects are improving, and with rapid urbanization, energy efficiency remains critical for smart city development.

Why the most successful students have no passion for school

01 Apr 2017  |  Business Insider
Research indicates no significant relationship between students' academic success and their attitudes towards school. Data from the Programme for International Student Assessment (PISA) shows that students' self-belief in their problem-solving abilities is a more critical factor in academic achievement than their perception of school. This disconnect raises concerns about the long-term impact of school experiences on students' views of formal institutions. To address this, educational decision-makers should focus on enhancing the relevance of schooling through hands-on activities that link present education to future life skills.

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