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( Parbati Dhungana ),( Roshani Rajbanshi ),( Niroj Dahal ),( Bal Chandra Luitel ) 경북대학교 중등교육연구소 2022 Asia Pacific Journal of Educational Research Vol.5 No.1
Teacher-centered pedagogical practices seem insufficient for promoting students’ active learning in semester-based teaching. Therefore, we argue that integrating participatory pedagogy as a strategy to the teacher-centered pedagogical practices contributes to the existing semester-based teaching, learning, and assessing practices. Inspired by living educational theory, we engaged with nine students of Science, Technology, Engineering, Arts, Mathematics (STEAM) in the Participatory Action Research (PAR) course/class living our shared value, respect, in the process of facilitating for six months (February-July 2020). Considering each class, a cycle (i.e., of planning, action, observation, and reflection design) and adapting dialogue as a research method, we generated and analyzed information in a participatory way. We discussed how participatory pedagogy created a respectful learning environment and influenced our students, us, and the PAR curriculum. Journal entries, students’ blog writings, students’ assignments, arts and designs, and curriculum hold the evidence of curriculum improvement through pedagogical inventiveness, empowerment, enhancement of criticality, and reconceptualization of the curriculum. Finally, we shared how the participatory pedagogy becomes a context-responsive pedagogy that exhibits hope for a better world in the diverse educational contexts, including (post) COVID-19.
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Effects of spark dielectric barrier discharge plasma on water sterilization and seed germination
Dhakal Oat Bahadur,Dahal Roshani,Acharya Tirtha Raj,Lamichhane Prajwal,Gautam Sandhya,Lama Bhupendra,khanal Raju,Kaushik Nagendra Kumar,최은하,Chalise Roshan 한국물리학회 2023 Current Applied Physics Vol.54 No.-
This study investigated the effects of spark dielectric barrier discharge (SDBD) plasma on water sterilization and seed germination using an in-situ treatment method. The plasma diagnostics used I–V characteristics and optical emission spectroscopy. The electron, rotational, and vibrational temperature, as well as electron density were measured. The findings revealed that SDBD plasma treatment caused significant changes in the physicochemical properties of the liquids. In addition, the concentrations of H2O2, NO2− and NO3− were increased after 8 min of plasma treatment to 30, 40, and 100 mgL−1, respectively. The effectiveness of the SDBD plasma treatment was evaluated based on bacterial inactivation and seed germination. After 8 min of plasma treatment, an almost complete removal of E. coli and S. aureus was achieved. Furthermore, the germination of coriander seeds was enhanced when they were treated with SDBD plasma for 5 min. SDBD plasma shows promise for water sterilization, seed germination, and sustainability.
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