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Study on Radionuclides from Soil to Onion at Johor and Perak, Malaysia

N. M. Yussuf, M. A. Saeed, H. Wagiran & I. Hossain · Physical Science International Journal · 2021

In this report, the radiological survey of radioactivity measurements in soil and onion and their mobility is carried out which is very important in the environment and several scientific fields. The measurements about the concentrations of activity in soil, leaves and bulbs for...

Open access Research Article 10.9734/psij/2021/v25i530257

Metallic Composition Analysis of Crude Petroleum from Some Oil Fields in Ghana

Robert Wilson, Calvin Kwesi Gafrey, George Amoako & Benjamin Anderson · Physical Science International Journal · 2021

Qualitative and quantitative analyses of chemical elements in crude petroleum using energy-dispersive X-ray fluorescence spectroscopic technique has attracted the attention of scientific world because it is fast, cheap, non-destructive and assurance in quality compared to other m...

Open access Research Article 10.9734/psij/2021/v25i530256

Geophysical Delineation of Barite-Galena Mineralization Using Coupled Electrical Resistivity (ER) and Induced Polarization (IP) Techniques. A Case Study of Iyamitet, Cross River State, South-South, Nigeria

O. J. Airen & D. A. Babaiwa · Physical Science International Journal · 2021

A combined Electrical Resistivity (ER) and Induced Polarization (IP) techniques were carried out at Iyamitet, Cross-River State Nigeria with the aim of mapping the Barite-Galena mineralization zone within the area. Five traverses were established in orthogonal directions with len...

Open access Research Article 10.9734/psij/2021/v25i530255

“ hv-Energy Packet floating in Front of the Wave Beam” Hybrid Structure of Photon and its Self-Interference in the Single Photon Double-Slits Experiment

Sennian Chen · Physical Science International Journal · 2021

In the single photon double slits experiment, what mechanism makes the interference? Whether it is owing to the external factor or the photon has a special structure it can interfere photon itself to make the interference pattern? Because the photon is a quantum of EM radiation a...

Open access Research Article 10.9734/psij/2021/v25i530254

A Review of the Bohr’s Model of Hydrogen Atom

Robert Wilson · Physical Science International Journal · 2021

In this paper, the classical Bohr’s model of the hydrogen atom has been revisited. Two values of fundamental physical properties of an electron in the hydrogen atom has been identified. These physical properties ( & ) are constant in nature. The aim for the review was to cont...

Open access Research Article 10.9734/psij/2021/v25i430252

Structural, Electronic and Optical Properties of Stanene Doped Beryllium: A First Principle Study

L. S. Taura, Isah Abdulmalik, A. S. Gidado & Abdullahi Lawal · Physical Science International Journal · 2021

Stanene is a 2D hexagonal layer of tin with exceptional electronic and optical properties. However, the semiconductor applications of stanene are limited due to its zero band-gap. However, doping stanene could lead to a band gap opening, which could be a promising material for el...

Open access Research Article 10.9734/psij/2021/v25i430251

Depth of Space and Radius of the Electron

Stefan von Weber & Alexander von Eye · Physical Science International Journal · 2021

The cosmological model of the expanding balloon in 4D-space (CM) delivers in interaction with a homogeneous vector field exactly Newton’s law of gravitation with its 1/r-shape of the gravitational funnel. So far, the depth of space, W, in the 4-th spatial dimension can only be ca...

Open access Research Article 10.9734/psij/2021/v25i430250

Dynamics of Multiple Slip and Thermal Radiation on Hydromagnetic Casson Nanofluid Flow over a Nonlinear Porous Stretchable Surface

O. E. Omotola & E. O. Fatunmbi · Physical Science International Journal · 2021

Aims/ Objectives: This paper examines the dynamics of multiple slip together with thermal radiation effects on the transport of a magnetohydrodynamic Casson nanofluid passing a nonlinear porous stretchable sheet in the existence of viscous dissipation and chemical reaction. Study...

Open access Research Article 10.9734/psij/2021/v25i430249

Shielding Effectiveness, Mechanical and Dielectric Properties of NiO/PCL Nano Composites at Microwave Frequency for Electronic Devices

Abubakar Yakubu, Zulkifly Abbas, Sirajo Abdullahi, Suleiman Sahabi & Garba D. Sani · Physical Science International Journal · 2021

There is a continuous generation of electromagnetic fields through operations of electronic devices for this reason it is paramount that these fields be shielded so as to prevent interferences. The, conventional method for shielding these fields are by the use of thin metal foils...

Open access Research Article 10.9734/psij/2021/v25i330248

High-frequency Coronal Discharge, Infrared Thermography and Visual Acuity Measurements of Bioelectromagnetic Influence

Ignat Ignatov, Anton Antonov, Nikolai Neshev, Hugo Niggli, Chavdar Stoyanov & Christos Drossinakis · Physical Science International Journal · 2021

Bioelectromagnetic influence on the eyes of a group of 336 subjects with various vision disorders: amblyopia, myopia and hypermetropia were investigated with high-frequency black-white and color coronal discharge, infrared thermography and visual acuity measurements. The authors...

Open access Research Article 10.9734/psij/2021/v25i330246

Implementation of Coulomb Counting Method for Estimating the State of Charge of Lithium-Ion Battery

Kevin C. Ndeche & Stella O. Ezeonu · Physical Science International Journal · 2021

An accurate estimate of the state of charge, which describes the remaining percentage of a battery’s capacity, has been an important and ever existing problem since the invention of the electrochemical cell. State of charge estimation is one of the important function of a battery...

Open access Research Article 10.9734/psij/2021/v25i330244

Re-interpretation of the Two-World Background of Special Relativity as Four-World Background II

O. Akindele Adekugbe Joseph · Physical Science International Journal · 2021

Coexisting four universes in separate four-dimensional spacetimes constitute four-world background for the special theory of relativity (SR) in each universe, as developed in previous papers. The fact that the four universes exhibit perfect symmetry of state and perfect symmetry...

Open access Research Article 10.9734/psij/2021/v25i230243