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All published articles 351

Design and Performance Evaluation of Photovoltaic Systems with Automatic Dust Wiper in a Natural Dusty Environment

Armstrong O. Njok, Nsed A. Akonjom & Julie C. Ogbulezie · Asian Journal of Physical and Chemical Sciences · 2022

The accumulation of dust on solar panels affects the transmittance of solar panel glazing which leads to the degradation of its efficiency due to low levels of irradiance reaching the cells. In this work, the response of polycrystalline silicon solar panels toward dust in a natur...

Open access Research Article 10.9734/ajopacs/2022/v10i4186

Measurement of Radioactivity Concentration in Pegmatite Rock Samples and Dose Assessment from Wamba in North Central Nigeria

Taiwo Bukola Fasiku, Musbau Kewulere Fasasi & Adebimpe Amos Amosun · Asian Journal of Physical and Chemical Sciences · 2022

Aims: To evaluate the radiological impact parameters on mine workers. Study Design: The research work was carried out by using a gamma–ray spectrometer with a NaI (TI) detector. Place and Duration of Study: Centre for Energy and Research Development (CERD), Obafemi Awolowo Univer...

Open access Research Article 10.9734/ajopacs/2022/v10i3185

Status of Contamination of the Jawfish (Chrysichthys nigrodigitatus, (Lapécède, (1803)) by Organophosphorus Residues in the Hydroelectric Dams of Faé, Kossou and Taabo (Ivory Coast)

Koukougnon Kouho Lydie, Ossehin Ambroise, Acho Yapi Fulgence, Koné Mamadou & TRAORE Karim Sory · Asian Journal of Physical and Chemical Sciences · 2022

The present study aims at determining the level of contamination of the jawfish (Chrysichthys nigrodigitatus) by organophosphate residues in the hydroelectric dams of Faé, Kossou and Taabo. Ninety (90) fish were collected from these three dams during eight sampling campaigns. Com...

Open access Research Article 10.9734/ajopacs/2022/v10i3184

Quality of Service Reliability: A Study of Received Signal Quality in GSM Networks

Joel Iloke, Ukoette Jeremiah Ekah, Enobong Joseph Oduobuk, Igwe Ewona & Emmanuel Obi · Asian Journal of Physical and Chemical Sciences · 2022

Every radio frequency (RF) design, after its implantation, should be regularly evaluated. The kernel of this article is to evaluate the performance of four GSM networks, taking its received signal quality (RxQual) into consideration. A total of 10501, 10140, 10415 and 10690 RxQua...

Open access Research Article 10.9734/ajopacs/2022/v10i3183

A Practical Method for Short-term Earthquake Prediction Using Multiple High-frequency Tremor Events

Yukio Fujinawa, Yoichi Noda, Minako Miyagawa, Yoshifumi Katsuta & Isao Oosumi · Asian Journal of Physical and Chemical Sciences · 2022

The substantial damage induced by major earthquakes requires the preparation of prevention methods before serious shocks occur. For a half-century, researchers have tried to develop an efficient method for earthquake prediction using modern scientific methods without practical re...

Open access Research Article 10.9734/ajopacs/2022/v10i3182

Analysis of Radiological Hazard Indices from Mining Sites in Adamawa State, Nigeria

Samson Dauda Yusuf, Soja Reuben Joseph & Ibrahim Umar · Asian Journal of Physical and Chemical Sciences · 2022

Aims: To analyse the radiological hazard indices from mining sites in Adamawa State, Nigeria. Study Design: Experimental study design using Gamma ray spectroscopy with a well calibrated Sodium Iodide (NaI) detector. Place and Duration of Study: Adamawa State, Nigeria and Departme...

Open access Research Article 10.9734/ajopacs/2022/v10i3181

Improving Students’ Science Process Skills Using Argument-Driven-Inquiry (ADI) Laboratory Method

Joan M. Belga · Asian Journal of Physical and Chemical Sciences · 2022

This study aimed to determine the effects of the Argument-Driven-Inquiry (ADI) laboratory method on high school students’ science process skills. The study further investigated the method’s effect on students with different reasoning ability levels, namely the hypothetico-deducti...

Open access Research Article 10.9734/ajopacs/2022/v10i2180

Variability of f_o E in Relation to the Solar Indices (R_z and F_(10.7) ) at the Equatorial Ionosphere (Ouagadougou Station)

Sawadogo Gédéon, Konaté Moustapha, Nakolemda Roger & Nanéma Emmanuel · Asian Journal of Physical and Chemical Sciences · 2022

The correlation coefficients between the critical frequency of the ionosphere E-layer ( foE )and the solar radio flux have not been formally evaluated at the Ouagadougou station. The purpose of this paper is to conduct a study on the variability of the critical frequency of ionos...

Open access Research Article 10.9734/ajopacs/2022/v10i2179

Assessment of Heavy Metal Concentration in Soil and Plant and Evaluation of Bioconcentration Factor at Loumbila Market Gardening Perimeters, Burkina Faso

Bambara Telado Luc, Kabore Karim, Derra Moumouni, Tougma Kiswendsida Alain, Ousmane Ibrahim Cisse & Francois Zougmore · Asian Journal of Physical and Chemical Sciences · 2022

Agricultural soil quality deterioration resulting from an increase in the level of heavy metals is becoming more and more pronounced, thus raising the question on the safety status of human health and the environment. Determination of heavy metal concentration in soils and plants...

Open access Research Article 10.9734/ajopacs/2022/v10i230153

Effect of an Active Open Dumpsite on the Earth’s Subsurface and Groundwater Resource

Alao J. Omeiza, O. O. Abdulwahab, M. S. Nur, T. T. Danjuma, Emmanuel Jaiyeoba, Diya’ulhaq Abdullahi, Oluseyi O. Adekanye & Ekwu T. Mary · Asian Journal of Physical and Chemical Sciences · 2022

An electrical resistivity survey was carried out at a dumpsite and controlled station located about 200m away from the dumpsite to assess the vertical extent of leachate contamination of the dumpsite and its impact on the soil and groundwater resources. Subsurface resistivity of...

Open access Research Article 10.9734/ajopacs/2022/v10i230152

Simulation and Optimization of a Greenhouse-Type Solar Dryer with Comsol Multiphysics

Karidioula Daouda, Koné Kisselmina Youssouf, Kouakou Lébé Prisca Marie-Sandrine, Andji-Yapi Yao Jonas, Assidjo Nogbou Emmanuel, TROKOUREY Albert & Laguerre Jean-Claude · Asian Journal of Physical and Chemical Sciences · 2022

Solar drying remains for developing African countries the only economical means of preserving foodstuffs for which post-harvest losses sometimes reach 60%. It was modeled in this work, the different elements that constitute a solar drying system by natural convection. This model...

Open access Research Article 10.9734/ajopacs/2022/v10i230151

Radiological Health Risk from Gamma Radiation of Coastal Communities in Okrika Local Government Area of Rivers State, Nigeria

Sokari S. A., Ononugbo C. P. & Gbarato O. L. · Asian Journal of Physical and Chemical Sciences · 2022

In-situ measurement of background ionization radiation was carried out in coastal communities of Okrika Local Government Area. This field work was achieved with the use of Digilert 200 to record the background ionization radiation and global positioning system in taking the coord...

Open access Research Article 10.9734/ajopacs/2022/v10i130149

An Experimental Case Study on Generation of Bio-Energy as Clean Technology Initiative in a Food Industry

Rishiparna Guha, Susanta Podder, Tania Bhattacharjee, Sayantani Ghosh & Amitlal Bhattacharya · Asian Journal of Physical and Chemical Sciences · 2022

India is a country with huge potential for Biomass Energy (BE) generation numerically estimated as 20GW. The country is making some serious efforts in terms of both scientific interventions and fiscal incentives to economically attract more projects of BE for its renewability pro...

Open access Research Article 10.9734/ajopacs/2022/v10i130150

Analysis of Movements in Spinal Cord Hemisection Treatment with Amniotic Membrane – Preclinical Study

M. F. Neves, J. L. R. Fonseca, P. C. S. Carvalho, A. P. C. Pereira, E. H. P. Polisel, S. M. P. Pröglhöf, L. B. Sant´Anna, M. O. Lima & E. A. L. Arisawa · Asian Journal of Physical and Chemical Sciences · 2022

Aims: This study aimed to evaluate the efficacy of Amniotic Membrane application in rats with Spinal Cord Injury induced by transverse hemisection using kinematic analysis and Sciatic Functional Index. Study design: True experimental research design. Place and Duration of Study:...

Open access Research Article 10.9734/ajopacs/2022/v10i130148

Optimization of Acid Activated Ngbo Clay Catalysts in Esterification Reaction Using Response Surface Methodology

Veronica Nnenna Nwobasi, Philomena K. Igbokwe & Chijioke Elijah Onu · Asian Journal of Physical and Chemical Sciences · 2022

In this study, Box-Behnken”s Response Surface Methodology (RSM) was applied to study the esterification reaction effectiveness of acid activated Ngbo clay catalyst. The esterification were monitored based on the process conditions of temperature, duration, amount of reactant, cat...

Open access Research Article 10.9734/ajopacs/2022/v10i130147