This study employs a mixed-methods research design involving 200 randomly selected secondary school students in Sheberghan to explore the impact of physics education on the development of problem-solving skills. Problem-solving is a fundamental competency in both academic and rea...
Open access
Research Article10.9734/ajopacs/2025/v13i3253
The context of sustainable development, which forces humans to protect the planet, imposes in its objectives to move towards the use of locally accessible materials in the field of construction. The objective of the present research work is to study the effect of Grewia bicolor f...
Open access
Research Article10.9734/ajopacs/2025/v13i3252
In this article, numerical simulations of the electrical current-voltage characteristics of an n-Si / p-Si homojunction solar cell and an n-ZnO / p-Si heterojunction solar cell are performed. In order to find the optimal structure of the solar cells, numerical modelling using SCA...
Open access
Research Article10.9734/ajopacs/2025/v13i3251
A molecular graph is a labeled graph in which atoms are represented by vertices and covalent bonds by edges, with each edge labeled according to the bond type (Gasteiger et al., 2020). A hypergraph generalizes the concept of a traditional graph by allowing edges—called hyperedges...
Open access
Research Article10.9734/ajopacs/2025/v13i3248
.This study investigates the interactions between the anionic dye Eriochrome Blue Black R and three types of surfactants (cationic CTAB, nonionic TX-100, and zwitterionic CAPB) using UV-visible spectrophotometry. The solubilization efficiency and thermodynamics of dye-surfactant...
Open access
Research Article10.9734/ajopacs/2025/v13i3249
We have produced thin film samples of cubic ZnS by the chemical bath method. These samples were synthesized using zinc chloride, thiourea, sodium citrate and ammonia solutions at varied deposition time from 24h to 96h. X-ray diffraction (XRD), transmittance and photoluminescence...
Open access
Research Article10.9734/ajopacs/2025/v13i2247
Aims: The study aimed to design and develop a greenhouse solar corn dryer that provides an efficient, sustainable, and cost-effective drying solution. The consistent use of traditional and conventional open sun drying (OSD) for agricultural products and yield necessitates the dev...
Open access
Research Article10.9734/ajopacs/2025/v13i2246
Aims: Markov chain analysis was employed to examine the pattern and distribution of yearly precipitation amount in Akwa Ibom, Bayelsa, Rivers, Cross River, Edo and Delta states in Nigeria. Duration of Study: Twenty-one (21) years data (1990-2020) on daily precipitation amount was...
Open access
Research Article10.9734/ajopacs/2025/v13i2245
The objective of this study is to examine the behavior of cassava during convective drying, taking into account the external temperature and changing the dimensions of the parallelepiped-shaped samples. The following temperatures were used: 40 °C, 50 °C, 60 °C and 70 °C. The conc...
Open access
Research Article10.9734/ajopacs/2025/v13i2243
Radon and its radioactive progenies in the indoor environment have been identified as the main sources of public radiation dose. The presence of radon in drinking tap water and other household uses can increase the indoor radon level and cause radiation-related health hazards, bo...
Open access
Research Article10.9734/ajopacs/2025/v13i2244
Water pollution is a serious issue, with industrial waste, agricultural runoff, and urban activities contaminating both surface and groundwater. Caused by the extensive application of inorganic fertilizer and animal manure, nitrate levels in water are increasing globally. Humans...
Open access
Research Article10.9734/ajopacs/2025/v13i2242
Cancer remains the leading global cause of death, with fatalities rising daily. Medicinal plants have long been used in cancer management, particularly in developing countries such as Nigeria. Synthetic drugs, though commonly used for cancer treatment, often come with harmful sid...
Open access
Research Article10.9734/ajopacs/2025/v13i1241
Methylammonium lead iodide (MAPbI₃) and titanium dioxide (TiO₂) are promising materials for optoelectronic applications due to their superior optical properties. However, optimizing their efficiency for light absorption and conversion remains a challenge. This study aims to inves...
Open access
Research Article10.9734/ajopacs/2025/v13i1240
Instabilities in open and closed plasma media can be explained through wave-particle interaction processes. In our work we investigate some features of plasma instabilities in ionosphere on the basis of nonlinear wave-particle interaction process. The accelerated plasma particles...
Open access
Research Article10.9734/ajopacs/2025/v13i1239
Nanoparticles refer to clusters of a few to several thousand atoms or molecules. The term "nano" refers to their size, typically ranging from 1 to 100 nanometers; a nanometer (symbol: nm) is equal to 10−9 meters = 0.000 000 001 meters = 1 billionth of a meter = 1 millionth of a m...
Open access
Research Article10.9734/ajopacs/2025/v13i1238