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All published articles 983

Elemental Characterization and Source Identification of Fine Particulate Matter (PM2.5) in an Industrial Area of Lagos State, Nigeria

J. M. Okuo, I. E. Chiedu, B. Anegbe, F. O. Oyibo & W. Ojo · Physical Science International Journal · 2017

Fine particles (PM2.5) are mainly generated by combustion processes including emissions from motor vehicles, combustion of fossil fuel for power generation and large industrial processes such as ore and metal smelting. They may also include natural emissions such as fine windblow...

Open access Research Article 10.9734/PSIJ/2017/36683

Natural Radioactivity in Vegetables from Selected Areas of Manyoni District in Central Tanzania

Pendo B. Nyanda & Leonid L. Nkuba · Physical Science International Journal · 2017

The study determined the mean concentrations of natural radionuclides, the annual intake of radionuclides and annual effective dose due to the ingestion of Vegetables from selected areas of Manyoni in Tanzania. Thirty (30) bunches of leafy vegetable samples grouped into five cate...

Open access Research Article 10.9734/PSIJ/2017/34746

Fundamental Acoustic Wave Generation in Crystalline Organic Conductors with Two Conducting Channels

Danica Krstovska · Physical Science International Journal · 2017

A linear thermoelectric generation of a fundamental acoustic wave in organic conductors with two conducting channels, quasi-one dimensional (q1D) and quasi-two dimensional (q2D), is analyzed theoretically. Specifically, the case when an acoustic wave with a fundamental frequency...

Open access Research Article 10.9734/PSIJ/2017/36390

Structural and Solvent Dependence of the Electronic Properties and Corrosion Inhibitive Potentials of 1,3,4-thiadiazole and Its Substituted Derivatives- A Theoretical Investigation

O. E. Oyeneyin · Physical Science International Journal · 2017

The frontier molecular orbitals (FMOs) are very important for describing chemical reactivity and understanding the static molecular reactivity. The HOMO and LUMO energies of 1,3,4-thiadiazole and its substituted derivatives were calculated using the hybrid B3LYP method with a lar...

Open access Research Article 10.9734/PSIJ/2017/36555

Numerical Detailing of the Mechanism Responsible for Artificial Heating of the Ionosphere by Powerful High Frequency Radio Waves

Oleg V. Mingalev, Mikhail N. Melnik & Victor S. Mingalev · Physical Science International Journal · 2017

The effect of a standing high-power high-frequency radio wave on the behavior of the F-layer ionospheric plasma is numerically investigated with the help of the mathematical model, developed earlier in the Polar Geophysical Institute. The mathematical model is based on a numerica...

Open access Research Article 10.9734/PSIJ/2017/36043

Influence of Thickness on the Optical Properties of Cadmium Sulphide Thin Film Deposited by Chemical Bath Deposition Technique

O. Okorie, A. D. A. Buba & A. M. Ramalan · Physical Science International Journal · 2017

Cadmium Sulphide (CdS) thin films were deposited onto glass substrates by chemical bath deposition (CBD) technique from a bath containing Cadmium acetate, ammonium acetate, thiourea and ammonium hydroxide and the bath was maintained at  using 78H – 1 hot plate magnetic stirrer. T...

Open access Research Article 10.9734/PSIJ/2017/35738

Seasonal Impact on Seismic Data Quality: A Case Study of Zaria Basement Complex, Nigeria

S. O. Ibe & U. L. Anekwe · Physical Science International Journal · 2017

The impact on depths and P-wave velocities deduced from seismic data, due to subsurface water variation, resulting from the variation in the amount of annual rainfall, was investigated in this study in order to establish the best season for reliable seismic surveys in Zaria Area,...

Open access Research Article 10.9734/PSIJ/2017/36348

Dense Phase Carbon Dioxide: An Emerging Non Thermal Technology in Food Processing

Shafat Khan, Amaresh ., Keshavalu . & Soumen Ghosh · Physical Science International Journal · 2017

DPCD is an emerging non-thermal process which evidently inactivates certain micro organisms and enzymes at lower temperatures and high pressure combination thereby maintaining fresh like characteristics as well as providing convenient shelf life, nutritional value and the product...

Open access Research Article 10.9734/PSIJ/2017/35518

Theoretical Study of the Properties of Isatin (1H-indole-2,3-dione) Based Alternating Donor-acceptor Type Conjugated Oligomers

Isaiah, A. Adejoro, Ogunsola, G. Orodepo, Omolara, O. Adeboye & Fredrick, U. Akhigbe · Physical Science International Journal · 2017

The potential of Isatin (1H-indole-2,3-dione) as a donor moiety in an alternating donor-acceptor conjugated oligomer models was studied. Eight different electron acceptor molecules investigated are: thiazole (Z),thiadiazole (D), thienopyrazine (TP), thienothiadiazole (TD), benzot...

Open access Research Article 10.9734/PSIJ/2017/35185

Dumpsite Characterisation in Ekpoma from Integrated Surface Geophysical Methods

K. O. Ozegin, O. J. Ataman & S. I. Jegede · Physical Science International Journal · 2017

Foreseeable consequences of the practice of solid waste disposal in landfills are gas and leachate generation due primarily to microbial decomposition, climatic conditions and refuse characteristics. Hence, this paper presents an assessment of the effects of waste dumpsite using...

Open access Research Article 10.9734/PSIJ/2017/35289

Geophysical Evaluation of a Landfill Site in Ikpoba Okhia Local Government Area, Edo State, Nigeria

I. Ikhifa, M. N. Umego, T. N. Obiekezie & G. N. Egwuonwu · Physical Science International Journal · 2017

Electrical resistivity tomography (ERT) technique has been used in this research to evaluate the contamination zones at a dumpsite in Benin City. Three electrical resistivity profiles were established for the purpose of the research. The pseudosection maps and the apparent resist...

Open access Research Article 10.9734/PSIJ/2017/34850