Electricity Bill Prediction Based on a Particle Swarm Optimized Multilayer Perceptron Model
Article scientifique
Accès ouvert
Ahmed Fahim, Ahmed M. Osman, Zahraa Tarek
Accurate household electricity bill prediction enables better budgeting for consumers and data-driven planning for utilities. This study develops and benchmarks five deep learning models on …
A Compact Dual-Band Antenna Design Using a Non-Uniform Inverted U-Shaped DGS and an Efficient Quasi-Oppositional Grey Wolf Optimizer
Article scientifique
Accès ouvert
Wellington Ochieng, Davies Segera, Abraham Nyete
In this study, a non-uniform inverted U-shaped Defected Ground Structure (DGS) was used to optimize a dual-band, compact microstrip antenna for operation at 2.6 GHz …
Design of Non-Uniform Metasurface-Based Phased-Array Antenna for Grating Lobes Mitigation
Article scientifique
Accès ouvert
Samuel Nsimba Lubanzu, Dominic B. O. Konditi, Kibet Langat
Grating lobes pose significant limitations to antenna array directivity and radiation efficiency, affecting the performance of wireless communication systems. This paper introduces a novel 2 …
Optimizing the Mechanical Properties of Carbon Nanotube-Reinforced Metal Matrix Composites: A Comparative Study of Finite Element and Semi-Empirical Approaches
Article scientifique
Accès ouvert
Elkhawad Ali Elfaki
This study analyzes the mechanical properties of Carbon Nanotube (CNT)-reinforced Metal Matrix Composites (MMCs) using a novel integration of Finite Element Analysis (FEA) and semi-empirical …
Estimation and Validation of Groundwater Storage Anomalies in the Kwale Aquifer, Kenya
Article scientifique
Accès ouvert
Maman Moustapha Habiboulaye, John Mwangi Gathenya, John Mwangi
Monitoring groundwater variability is essential for sustainable water resource management, particularly in regions with limited in-situ observations. This study evaluated the temporal consistency between Gravity …
Hardware Implementation of the GVF Approach for Deformable Contour Detection on FPGA
Article scientifique
Accès ouvert
Mohamed Lamine Hamidatou, Fatma Zohra Hamadi, Latifa Hamami
Active contours, or snakes, are widely used in medical image segmentation due to their ability to accurately delineate object boundaries. The Gradient Vector Flow (GVF) …
A Numerical Analysis of the Bearing Vibration Response under Varying Outer Race Defect Positions
Article scientifique
Accès ouvert
Thabisang Sylvester Lekalakala, Alfayo Anyika Alugongo, Bernard Xavier Tchomeni
A dynamic model of a ball bearing with an outer race spall defect was formulated to investigate the influence of the defect angular position on …
Enhancing Predictive Maintenance Accuracy for Rotary Machine Vibration Signals with XGBoost-RFE Based Feature Selection
Article scientifique
Accès ouvert
Magdy Abd Elghany M. Metwaly, Abd El-Hady. A. Ammar, Ghazal A. Fahmy
This study proposes a model of a rotary machine's fault diagnosis system based on vibration signal analysis under Improved eXtreme Gradient Boosting-Recursive Feature Elimination (XGBoost-RFE). …
Genetic response and metabolic adaptation to partial-record selection for egg production in Dokki-4 laying hens
Article scientifique
Accès ouvert
Doaa Abd-Elhamid Semida, Ahmed M. Emam, Bothaina Y. Mahmoud
This study aimed to evaluate the impact of partial-record egg production selection on egg production performance, serum biochemical constituents, and egg quality traits in Dokki-4 …
The effect of project management practice on project performance: In the case of Ethiopian Electric Power Gilgel Gibe-III project
Article scientifique
Accès ouvert
Tekilew Zewdu Gizaw
Assessing awareness of latent tuberculosis infection: the urgent need for clinical governance-driven education in rural Eastern Cape – insights from a community-based study
Article scientifique
Accès ouvert
Cebo Magwaza, Urgent Tsuro, Ntandazo Dlatu
Background: Latent tuberculosis infection (LTBI) affects approximately a quarter of the global population and poses a significant barrier to TB control, particularly in high-burden settings …
Residual soil-applied zinc improves grain zinc nutritional quality of maize grown under contrasting soil types in Malawi
Article scientifique
Accès ouvert
Lester Botoman, Patson C. Nalivata, Joseph G. Chimungu
Introduction A proper understanding of the residual value of zinc (Zn) is essential for sustainable biofortification of food crops. This study hypothesized that Zn applied …
Continued use of climate-smart agricultural practices in central Uganda cattle corridor: a farming household typology perspective
Article scientifique
Accès ouvert
Henry Galiwango, Richard Miiro, Anthony Egeru
Uganda’s central cattle corridor remains highly vulnerable to climate shocks such as drought and erratic rainfall, threatening food security and agricultural productivity for smallholder farming …
From Classroom to Cultivation: Enhancing Practical Skills on Mushroom Production: A Case from Fourth-Year Biotechnology Students at Mekelle University”
Article scientifique
Accès ouvert
Yohannes Tsegay Teklay
Comparative Analysis of Wind Speed Probability Distributions for Wind Energy Potential in Southwestern Nigeria
Article scientifique
Accès ouvert
Saheed T Jimoh, Naven Chetty
Understanding Bank Failures: The Crucial Role of Macroeconomic Variables
Article scientifique
Accès ouvert
Henda HENDA Rajhi
The determinants of forest area in Brazil: Ethanol production, exports of crops and livestock, and asymmetric impact of temperature change
Article scientifique
Accès ouvert
Slim Ben Youssef
Comparing Cost-Sensitive and Data-Level Strategies to Address Extreme Class Imbalance in Educational Review Sentiment Analysis
Article scientifique
Accès ouvert
Nagwa Elmobark, Sara Elhishi
Investigating CYP2C9*3 Polymorphisms in Patients with Neuropsychological Disorders through Pharmacogenomics Testing
Article scientifique
Accès ouvert
Braa Elwaleed Mohamed Ahmed, Muhsin Konuk, Tayfun Gözler
ABSTRACT Background The CYP2C9 gene encodes the cytochrome P450 2C9 enzyme, which plays a key role in metabolizing various drugs. Genetic polymorphisms in CYP2C9 may …
Burden of intraventricular haemorrhage among preterm neonates in Tanzania: A prospective observational study
Article scientifique
Accès ouvert
Immaculate B Ndawi, Neema Chami, Patrick Ngoya
ABSTRACT Background Intraventricular haemorrhage (IVH) is a common intracranial complication of preterm neonates, especially those born before 32 weeks of gestation, and poses a high …