Radon is a radioactive gas and a decay product of uranium. This gas poses a potential health risk to humans. This study aimed to assess preliminary indoor radon concentration at homes in Minjingu village and use the results of measurements to estimate the annual effective dose re...
Open access
Research Article10.9734/psij/2025/v29i4886
The physico-chemical properties of the electric arc are decisive for the success or failure of the circuit breaker to cut the electric current. The effectiveness of the circuit breaker in cutting off the electric current is highly dependent on the thermal and electrical character...
Open access
Research Article10.9734/psij/2025/v29i4887
The current study investigates the transient stagnation-point flow and heat transfer characteristics of a magneto-micropolar nanofluid over an expanding surface under the influence of thermal radiation and boundary slip. The developed model incorporates the effects of micropolari...
Open access
Research Article10.9734/psij/2025/v29i4885
Tropical regions experience diverse and complex precipitation patterns, posing significant challenges for accurate rainfall estimation and forecasting. This study addresses the problem of effectively classifying tropical rain types and refining the Z-R (Reflectivity-Rain Rate) re...
Open access
Research Article10.9734/psij/2025/v29i3884
This work is a contribution to the optical and radiative characterization of aerosols, with the aim of showing the impact of season on the frequency of typical days defined by aerosol optical depth (AOD) and then quantifying the impact of aerosols on incident radiation. The study...
Open access
Research Article10.9734/psij/2025/v29i3883
Weather parameters such as pressure, temperature and humidity significantly affect the altitudinal refractivity and refractivity gradients which in return impact the propagation of the radio wave. The alteration in these parameters changes the atmospheric refractive index. Radio...
Open access
Research Article10.9734/psij/2025/v29i3882
This study aims to impact of adding kenaf fibers on the thermal performance of adobes. In a context of increasing research into sustainable, energy-efficient construction alternatives, adobes, raw earth bricks, are often considered. However, their thermal properties can be improv...
Open access
Research Article10.9734/psij/2025/v29i3881
Global plastic production has surged in recent decades, exacerbating the environmental crisis due to its persistent presence and slow degradation. This parallels the environmental challenge agricultural waste poses, often improperly disposed of. On the other hand, biodegradable p...
Open access
Research Article10.9734/psij/2025/v29i3880
This study uses advanced image analysis techniques to investigate the effects of biophysical fields on the structural characteristics of distilled water under corona discharge conditions. Corona discharge images of water drops were obtained using a patented device, and experiment...
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Research Article10.9734/psij/2025/v29i3879
Miguel Lorenzo M. Redoble, Kenth Jerald O. Baclay, Zeliza Caline E. Rebucas, Anna Kristia M. Rivera, Ian Jay P. Saldo & Jhovel Roy D. Calo·Physical Science International Journal·2025
This study aimed to assess the physicochemical water quality of the Sabangan River in Barangay Can-ayan, Malaybalay City, Bukidnon. Specifically, it evaluated total dissolved solids (TDS), turbidity, dissolved oxygen (DO), pH, and total alkalinity in upstream, midstream, and down...
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Research Article10.9734/psij/2025/v29i3878
In this modelling study, carried out using SCAPS 1 D software, we optimized the conversion efficiency of our Al/SnO\(_2\)/CsPbI\(_{3-x}\)Br\(_x\)/Cu\(_2\)O/ITO structure device. The study reveals that CsPbI\(_{3-x}\) is the best absorber material that can be obtained (x ꞓ ℕ). fro...
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Research Article10.9734/psij/2025/v29i2877
Aim: This study integrates the Asymptotic Iteration Method (AIM) with Machine Learning (ML) models to enhance the prediction of vibrational energy levels in diatomic molecules. Traditional quantum mechanical methods, while accurate, are computationally demanding. This study aims...
Open access
Research Article10.9734/psij/2025/v29i2874
The reasons for investigating for the aquifer protective capacity is not far-fetched as this determine the integrity of the source of our water. Mostly, more than 80% of the world depends on groundwater because of the general belief that the cleanest water can be found undergroun...
Open access
Research Article10.9734/psij/2025/v29i2875
Recent years have seen a rise in the use of microstrip patch antennas (MPAs) due to their superior radiation properties, affordability, lightweight design, ease of feeding, and ease of manufacturing and analysis. This study investigates how the addition of Defected Ground Structu...
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Research Article10.9734/psij/2025/v29i2876
Our investigation focused on the analysis of the fluctuations of slow and fast solar winds through the determination of the fractal dimension at different time scales of this ionized flow that escapes from the sun towards the atmosphere. The data used to achieve this goal are hig...
Open access
Research Article10.9734/psij/2025/v29i2873