Si- films were deposited from liquid precursors, especially cyclopentasilane using a high pressure spray deposition system based on an electronically controlled piezo-injector in a inert gas atmosphere. This equipment might be applicable to other liquid precursors and targeted th...
Open access
Research Article10.9734/PSIJ/2017/33788
Far-infrared spectra of a germanium-antimony-tellurium alloy in the glassy and crystalline states have been measured and analyzed in the frequency range 20–400 cm-1 at room temperature. The absorption in this range is due to the phonon modes of the structural units of crystalline...
Open access
Research Article10.9734/PSIJ/2017/33572
The health detriment associated with human exposure to primordial radionuclides from the earth crust has been a major source of concern to public health observers across the globe. The level of such detriment can be mitigated by continuous monitoring in order to ascertain that th...
Open access
Research Article10.9734/PSIJ/2017/32273
It is shown that taking into account the negative compressibility of substances changes Maxwell relations. The earlier results of the author indicating that these relations differ for substances with negative thermal expansion have received additional confirmation. Universal Maxw...
Open access
Research Article10.9734/PSIJ/2017/33660
Inhibitory effects of Ficus sycomorus leaves extracts on the corrosion of mild steel and aluminium in 1 M hydrochloric acid (HCl) solution was studied at temperature of 30°C using gravimetric technique. Corrosion rates of mild steel and aluminium in the aggressive medium were foun...
Open access
Research Article10.9734/PSIJ/2017/32708
A palm kernel processing (Cracking and Separating) unit was developed to crack effectively various sizes/diameters of palm kernel as well as to separate the palm kernel from the shell with the aim of reducing the challenges encountered during the production of palm kernel Oil. Th...
Open access
Research Article10.9734/PSIJ/2017/26627
In this study, results of the variation of radio field strength derived from the computation of surface refractivity through measurements of temperature, relative humidity and pressure across seven locations ((Akure (7.15°N, 5.12°E), Lagos (6.30°N, 3.20°E), Abuja (7.10°N, 9.25°E)...
Open access
Research Article10.9734/PSIJ/2017/33447
In this era of global warming, research in weather measurement and prognostications are becoming more and more pertinent; getting the latest weather information and taking the necessary precautions have become a major issue all over the world. Dew point temperature is an importan...
Open access
Research Article10.9734/PSIJ/2017/32862
This investigation is undertaken to study effects of MHD thermal radiation and heat source of viscous flow over a nonlinearly stretching sheet with viscous dissipation. The governing equations of the problem are transformed into non-linear ordinary differential equations by using...
Open access
Research Article10.9734/PSIJ/2017/32824
Evapotranspiration (ET) is an important component of the hydrological cycle and its accurate quantification is crucial for the design, operation and management of irrigation systems. Agricultural planning depending on evapotranspiration suffers due to inaccuracy in its estimation...
Open access
Research Article10.9734/PSIJ/2017/32720
Cu1-xZnx+yZryFe2-2yO4 (Cu-Zn-Zr ferrite) series of compositions with x= (zero, 0.4, 0.6, 0.8, 1) when y= (0.05, and 0.1) nanoparticles were synthesized using citrate sol-gel method. The prepared nanoparticles were characterized by X-ray diffraction (XRD) and transmission electron...
Open access
Research Article10.9734/PSIJ/2017/33042
Previously, in the calculation of the internal energy of the ideal gas in statistical mechanics, it has been supposed that the volume is a constant, which does not depend on any arguments. However, the volume depends on pressure and temperature and its partial derivative is not e...
Open access
Research Article10.9734/PSIJ/2017/32822
The use of enhanced oil recovery methods to improve oil productivity has grown and come to stay in the industry. This is as a result of its ability to improve productivity and sweep efficiency. Waterflooding, the most widely used method to recover oil becomes less effective when...
Open access
Research Article10.9734/PSIJ/2017/30805
Advances in the field of Nanotechnology has shown great promise to enhance the photoconversion of photovoltaic cells and hence improved electrical output. This breakthrough in terms of efficiency seems meager when compared to the crystalline silicon solar cells. However, Quantum...
Open access
Research Article10.9734/PSIJ/2017/32757