This research aims to determine the temperature extremes for Ikeja (Lagos), Osogbo (Osun) and Maiduguri (Borno), Nigeria, West Africa using Statistica analytical tool. Thirty (30) years daily maximum and minimum temperature data for Lagos, Osogbo and Maiduguri used for this study...
Open access
Research Article10.9734/PSIJ/2018/34637
BaTiO3 –PbTiO3 nanocomposite materials with the formula (1-x) BaTiO3–(x)PbTiO3 where x=0, 0.2, 0.4, 0.6, 0.8 and 1 were prepared using tartrate method .The structural properties of the samples were characterized using x-ray diffraction( XRD), Fourier Transformed Infrared (FTIR),...
Open access
Research Article10.9734/PSIJ/2018/44797
Analysis of rainfall distribution is important in studying the impact of changing weather and climate on water resources planning and management. This study assessed the performance of three different probability distribution models, namely: Generalized Extreme Value Distribution...
Open access
Research Article10.9734/PSIJ/2018/44983
Metal-Oxide-Semiconductor–MOS devices presented here with thermally grown oxide layer of 3.04-5.92 nm thick were fabricated using p-type Si substrate. Capacitance-voltage (C-V) and conductance-voltage (G/ω-V) characteristics in frequency range of 10 kHz-100 kHz between 22 and 100...
Open access
Research Article10.9734/PSIJ/2018/44368
Guy Hervé Hounguè, Basile Bruno Kounouhéwa, Mathias Adjimon Houékpohéha, Bernard Noukpo Tokpohozin & Vianou Irénée Madogni·Physical Science International Journal·2018
Wave energy recovery in coastal zones can provide mitigation of flooding and play a very important role in the protection of the coastline. Wave energy potential off the coast of Benin has been investigated from ECMWF ERA reanalysis (ERA40 + ERA-Interim). ERA data have been adjus...
Open access
Research Article10.9734/PSIJ/2018/44226
The paper concerns the nanopowder high-speed, 104 – 109 s–1, compaction processes modelling by a two-dimensional granular dynamics method. Nanoparticles interaction, in addition to known contact laws, included dispersive attraction, the formation of a strong interparticle bonding...
Open access
Research Article10.9734/PSIJ/2018/45057
In order to study the effect of mechanical-stress on the quartz filter output, based on the elasto-optical effect of quartz crystal, the relationship between berifringent difference of quratz plate and mechanical-stress is deduced, the experimental system is set up by using Ultra...
Open access
Research Article10.9734/PSIJ/2018/19858
Solar energy can be harnessed as photovoltaic energy or solar thermal. Photovoltaic modules provide safe, reliable, and maintenance-free, without noise and environmentally friendly source of power This paper evaluates the outdoor performance of a monocrystalline silicon module ba...
Open access
Research Article10.9734/PSIJ/2018/44862
M. A. Dresvyannikov, A. P. Chernyaev, A. L. Karuzskii, V. A. Kulbachinskii, Yu. A. Mityagin, A. V. Perestoronin & N. A. Volchkov·Physical Science International Journal·2018
The study derives general frequency dependencies of the surface impedance modulus for conductors without the dc dissipation, i. e. for superconductors or perfect conductors. The frequency-dependent surface impedance was applied for the solutions corresponding to the spatially dis...
Open access
Research Article10.9734/PSIJ/2018/43533
This work was carried out to determine the thermal conductivities of some selected metals (copper, brass, steel and aluminium) using silver parameters as standard values to calculate for other four metals. Determination of thermal conductivity of metallic materials is very useful...
Open access
Research Article10.9734/PSIJ/2018/42962