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All Journal Konfrontasi: Jurnal Kultural, Ekonomi dan Perubahan Sosial Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Britain International of Humanities and Social Sciences (BIoHS) Journal Britain International of Exact Sciences Journal (BIoEx Journal) Britain International for Linguistics, Arts and Education Journal (BIoLAE Journal)
Belay Sitotaw Goshu
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Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Physics Social Sciences Other

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Modeling the Recovery Dynamics of Coronal Dimming across Solar Activity Phases: A Theoretical Approach Belay Sitotaw Goshu
Britain International of Exact Sciences (BIoEx) Journal Vol 7 No 1 (2025): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v7i1.1216

Abstract

This study investigates the recovery of dynamics of coronal dimmings across solar activity phase. The impact of plasma density, magnetic field evolution, and temperature distributions on the formation of core and secondary dimming regions in solar and astrophysical plasma environments. Using advanced simulation techniques, we modeled the evolution of plasma density and temperature, revealing significant temperature gradients and distinct density profiles.. The results show a marked decrease in plasma density at the core regions, surrounded by secondary dimming zones, consistent with observed phenomena in solar flares and coronal mass ejections (CMEs). Thermal conduction plays a crucial role in maintaining high temperatures at the core, while radiative cooling is prominent in the outer plasma regions, contributing to the cooling and dimming effects. The study also highlights the importance of magnetic flux tubes in shaping these plasma structures, with the symmetry of the density and temperature profiles supporting the confinement of these structures. These findings contribute to a better understanding of the physical processes governing plasma behavior in astrophysical contexts such as solar flares, stellar atmospheres, and galaxy clusters. Additionally, our results emphasize the need for further multi-dimensional simulations and empirical observations to validate and expand upon these findings, ultimately providing insights into space weather phenomena and other plasma-related processes in the universe. The study's findings have potential implications for space weather forecasting, stellar physics, and plasma dynamics in various astrophysical systems.
Automated Detection of Blood Cancer Using Advanced Image Analysis Techniques Belay Sitotaw Goshu
Britain International of Exact Sciences (BIoEx) Journal Vol 7 No 1 (2025): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v7i1.1229

Abstract

This work investigates the use of sophisticated image analysis methods to differentiate between benign and cancerous blood cells directed on different phases of pro-B and pre-B lymphoblast growth. Binary image processing, segmentation, and masking techniques were used for 500 blood cell pictures. One hundred eighty (180) were determined to be benign and 320 to be malignant, with considerable morphological differences such as alterations in cytoplasmic ratios and aberrant nuclear structure. With 95% accuracy, these characteristics are made between benign and malignant cells to distinguish. Significant morphological variations, including anomalies in the atom form and changes in the cytoplasmic ratios, were detected, and they could extricate between malignant and benign cells with 95% accuracy. More features could be extracted from the images based on segmentation, especially when identifying cancerous cells early in their development. These results imply that automated techniques can be invaluable in helping pathologists identify hematopoietic malignancies such as acute lymphoblastic leukemia (ALL) at an early stage. Better therapy results could result from increased diagnostic speed and accuracy brought about by this automation. Further study is necessary to improve the generalizability of these systems across datasets.
Exploring the Role of Project-Based Learning in Fostering Critical Thinking Skills Belay Sitotaw Goshu; Muhammad Ridwan
Britain International of Linguistics Arts and Education (BIoLAE) Journal Vol 6 No 3 (2024): Britain International of Linguistics, Arts and Education - November
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/biolae.v6i3.1201

Abstract

This study explores the role of teacher support, collaboration, and group discussions in enhancing students' critical thinking skills during project-based learning (PBL). Through qualitative analysis, the study examines students' perceptions of the additional support provided by teachers, suggestions for improving PBL to foster critical thinking, and the challenges faced during the project. Results indicate that teachers' involvement as facilitators is crucial for guiding students through complex tasks and ensuring they remain on track. Students reported a perceived improvement in their critical thinking skills, attributing it to the inquiry-based nature of PBL that encouraged deep engagement with the subject matter. However, several challenges emerged, including time constraints, difficulties with resource access, and issues related to group dynamics, such as coordination and leadership. Suggestions for improvement emphasized the need for clearer project guidelines, more diverse resources, and a structured approach to problem-solving. The study also highlights the essential role of teachers not just as instructors but as mentors, guiding students' learning while encouraging collaboration and communication within groups. Overall, PBL was found to foster high levels of student engagement, motivation, and active participation, contributing to the development of critical thinking. However, overcoming logistical and interpersonal challenges is essential to fully realizing the benefits of PBL in enhancing students' cognitive and collaborative skills.
Issues related to the quality of secondary education: the Case of Dire Dawa, Ethiopia Belay Sitotaw Goshu; Melaku Masresha Woldeamanueal; Muhammad Ridwan
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 7, No 4 (2024): Budapest International Research and Critics Institute November
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v7i4.7977

Abstract

This study aimed to examine concerns regarding the quality of education in secondary schools in Dire Dawa City. It reflects the views of teachers and educational administrators on educational quality, issues, and recommendations for improving quality. A descriptive survey was conducted for this purpose. In this study, 235 city teachers were randomly selected. Despite access improvements, data shows slow progress in improving quality education in Ethiopia. Government officials, teachers, parents, teachers, students, and others expressed concern about the quality of education in general education schools in Dire Dawa City. The results revealed that schools should also provide an educational environment suitable for teaching and learning activities. In-service training or professional development is one of the key factors in quality education. However, the result revealed that 43% of the survey respondents had not attended in-service training in the past two years. Furthermore, 91.9 percent of the respondents believed cheating was a crucial problem for quality education. The local government should work with the university to address most of the issues raised in this study.
Space Debris and Its Impacts on Space Exploration and Mitigation Strategies Belay Sitotaw Goshu
Britain International of Exact Sciences (BIoEx) Journal Vol 7 No 1 (2025): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v7i1.1254

Abstract

The increasing proliferation of space debris from 1960 to 2021 poses significant environmental challenges for space operations. This study aims to analyze the historical trends in space debris creation, focusing on the rise of payloads and rocket debris, and assess their implications for space sustainability. Utilizing data from various space agencies and surveillance networks, we examined the growth patterns of different object types, including debris, payloads, rocket bodies, and others. The analysis revealed a sharp increase in payload deployment since 2000, driven by the rise of satellite-based technologies and the commercialization of space. Similarly, rocket debris has also seen an uptick, though at a slower rate. Debris objects, which account for the largest share, pose significant risks due to their potential to cause collisions and further fragmentation. These trends highlight the urgency of implementing effective debris mitigation strategies to prevent the Kessler Syndrome a cascade of collisions that could render certain orbits unusable. Key mitigation strategies discussed include Active Debris Removal (ADR), end-of-life disposal plans, improved space traffic management, and design-for-demise techniques. The study underscores the need for international cooperation and the adoption of innovative technologies to ensure the sustainable use of space. The findings provide valuable insights for policymakers and stakeholders in developing comprehensive frameworks for space environmental management.
Co-Authors Bikila Merga Deresa Melaku Masresha Woldeamanueal Melaku Masresha Woldemariam Muhammad Ridwan Muhammad Ridwan Syarifuddin