This study evaluates the radon concentrations in public places and private residences with different altitudes in selected locations in Delta State. These measurements were carried out using a professional radon monitoring instrument (Alpha GUARD PQ2000 PRO) and a geographical po...
Open access
Research Article10.9734/psij/2022/v26i11-12770
Bell's Palsy is one of communal disease of effected to seventh cranial nerve that causes paralysis of one or two side of the face which occur within (72 hours), the etiology unknown but different causes such as psychological, physical condition, viral infection, ischemia of blood...
Open access
Research Article10.9734/psij/2022/v26i11-12771
We studied bipolar junction transistors. We will see that the bipolar junction transistor, often referred to by its short name, transistor, actually functions as a current-controlled current source. We will also see that in the current generation of bipolar junction transistors,...
Open access
Research Article10.9734/psij/2022/v26i11-12772
Malaria is the most widespread disease in Africa and developing countries which has a negative effect on everyday life and causes thousands death each year. To find new, more precise, and less expensive diagnostic methods, an increasing number of studies are needed. In order to r...
Open access
Research Article10.9734/psij/2022/v26i11-12773
The interpretation of single-photon double slit Wheeler's delayed choice experiment leads to a weird inference: "what observer does now can change what happened in the past". It subverts our cognitions. Other interpretations are also in dispute. I try to find another possible way...
Open access
Research Article10.9734/psij/2022/v26i11-12774
Linear Fresnel collectors (LFC) have, among the four technologies of concentrating solar power (CSP), the simpler technology. They have a one axis sun tracking, plane mirrors and a fix receiver. All these elements make them the most suitable for small scales CSP plants adapted to...
Open access
Research Article10.9734/psij/2022/v26i8758
After the discovery of the proton-neutron composition of nuclei, the problem of nuclear forces nature became especially urgent. Nowadays, nuclear forces are explained by the action of a special strong interaction that occurs when nuclear nucleons exchange special particles - gluo...
Open access
Research Article10.9734/psij/2022/v26i8757
Globally, there is a high demand for clean, sustainable and renewable energy for domestic and industrial use. Conventional photovoltaic cell technology relies heavily on crystalline silicon wafers which render silicon-based solar cells expensive due to the initial cost of product...
Open access
Research Article10.9734/psij/2022/v26i7756
The theory’s aim is to explain the ideal science of atom formation. In the process of building atom by subatomic particles, at initial stage, both the positive and negative charged particles must make contact with neutrally charged particles in separate each and form posneu and n...
Open access
Research Article10.9734/psij/2022/v26i7755
J. A. Olowonubi, I. T. Adejugbe, S. A. Fatounde, J. O. Aigbovbiosa, O. A. Oyegunwa, O. Komolafe & A. K. Ogunkoya·Physical Science International Journal·2022
A conventional hammer mill is a device consisting of a rotating head with free- swinging hammers, which reduce rock, grains or similarly hard objects to a predetermined size through a perforated screen. Hammer mills can be used for grinding laterite sand in its not-so-fine form i...
Open access
Research Article10.9734/psij/2022/v26i7754