Evaluation of magnetic field intensity around African Independence Television (AIT), and Nigerian Television Authority (NTA) was successfully carried out. This survey was executed with the use of a portable handheld electromagnetic radiation meter Bentech-GM 3120 model that measu...
Open access
Research Article10.9734/ajr2p/2025/v9i4209
A study of evaluation of excess lifetime cancer risk was carried out in Eligbam and government residential area phase II (GRA PHASE II) in Obio/Akpor local government area, the study was successfully caried out using the GMC-300 Giger Muller counter Radiation Detector to measure...
Open access
Research Article10.9734/ajr2p/2025/v9i4208
The study used the Optical Properties of Aerosols and Clouds (OPAC 4.0) database to obtain the microphysical characteristics of urban aerosols and performed numerical analyses of the analytical formulas describing how equilibrium relative humidity (RH), effective radius, hygrosco...
Open access
Research Article10.9734/ajr2p/2025/v9i4207
Among the various mysteries in cuprate high temperature superconductors, the pseudogap (PG) phase stands out for the difficulty in pinning down its origin and its close connection to unconventional superconductivity. It appears above the superconducting transition temperature ,...
Open access
Research Article10.9734/ajr2p/2025/v9i4206
The Magnetosonic Mach number is a non-dimensional parameter that calculates the velocity of the solar wind in relation to the velocity of magnetosonic waves within the same medium, which plays a crucial role in magnetospheric interactions. It influences the efficiency between pla...
Open access
Research Article10.9734/ajr2p/2025/v9i4205
This study investigated the enhancement of voltage stability in distribution networks through optimal allocation of distributed generation (DG) using a particle swarm optimization (PSO)-based framework. The Owerri 33/11 kV distribution network was modelled and simulated in the Po...
Open access
Research Article10.9734/ajr2p/2025/v9i4204
Power transmission networks are inherently susceptible to faults arising from uncontrollable environmental factors such as lightning and storms. Rapid identification and localisation of these faults are critical to maintaining system reliability and enabling protective actions. W...
Open access
Research Article10.9734/ajr2p/2025/v9i4203
The study evaluates the seasonal wind energy resources for sustainable electricity generation across some selected states in Northern Nigeria, motivated by the country’s persistent electricity shortages despite abundant renewable resources, highlighting the need for diversificati...
Open access
Research Article10.9734/ajr2p/2025/v9i4202
Vehicle-to-vehicle (V2X) communications is one of the many services supported by 5G, using lower frequency bands and high-frequency millimetre-wave spectrum, along with other radio technologies like ultra-wideband (UWB) and improved sensing and processing techniques. Filters are...
Open access
Research Article10.9734/ajr2p/2025/v9i3201
This review provides a comprehensive and critical analysis of the recent progress (2021–2025) in the application of molybdenum disulphide (MoS2) and molybdenum diselenide (MoSe2) for renewable energy. We focus on three pivotal areas: electro catalytic hydrogen evolution (HER), ph...
Open access
Research Article10.9734/ajr2p/2025/v9i3199
Aims/ Objectives: Main objective. To extract and characterize organic dye mixtures from plant- based chlorophyll and anthocyanin pigments for DSSCs applications. Specific objectives: To extract (solvent extraction process) and mix chlorophyll and anthocyanin dye pigments at varyi...
Open access
Research Article10.9734/ajr2p/2025/v9i3198
This study investigates the structural, optical, morphological, and electrical properties of gadolinium-doped zirconium sulphide (ZrS/Gd) thin films created using the Electrostatic Spray Deposition (ESD) method with respect to the effects of deposition temperature. Thin films dep...
Open access
Research Article10.9734/ajr2p/2025/v9i3197
Aims: To develop an optimal electricity consumption profile for Maasai Mara University based on 90 days actual consumption data. To design and simulate captive grid interactive solar photovoltaic system for Maasai Mara University based on the first objective. Study Design: The sy...
Open access
Research Article10.9734/ajr2p/2025/v9i3196
This study evaluates the performance of wideband channels and path-loss models in 5G macro-cell deployments across diverse terrains in Abuja, with a particular emphasis on urban and rural areas. The study uses a standardised empirical model to investigate the effect of mobility,...
Open access
Research Article10.9734/ajr2p/2025/v9i3195
Due to the growing security risks in the University of Cross River State's female residence halls, an efficient surveillance system is required. The installation of a round-the-clock, real-time monitoring system utilizing computers, solar panels and Wi-Fi cameras is shown in this...
Open access
Research Article10.9734/ajr2p/2025/v9i2194