21 articles in this issue
A. Oladayo, I. I. Daniel, V. A. Jideani
The contribution of emulsion main components to the time-dependent rheological properties of oil in water emulsion stabilized by gelatinized bambara groundnut flour (BGNF) was studied. Sunflower oil-in-water emulsions were prepared and stabilized with gel... see more
J. A. Adeyanju, B. R. Azeez
The influence of frying temperature and time on the quality characteristics of deep-fat fried cocoyam chips was investigated using Central Composite Design (CCD) in Response Surface Methodology (RSM) consisting of two independent variables (frying tempera... see more
A. O. Arinkoola, K. K. Salam, M. O. Jimoh, O. N. Oghafua
Amines process remains the most economic and efficient technology available today for the removal of acid gases. However, the costs associated with pumping higher flow rates and cost of increased energy needs for the regeneration of solution can undermine... see more
O. A. Akeem, K. S. Kazeem, M. Y. Aladeitan
Many problems in petroleum engineering involve solving multivariable complex integrals and analytic calculation is rarely possible in most practical cases. Numerical approximation appears to be practicable. However, majority of existing numerical solution... see more
O. K. Fagbenro, A. O. Abdulrazaq
Noise is an environmental pollutant that has continue to increase with an increase in population, Urbanization, and the general desire of man to acquire advanced technologies in transportation, construction, recreation and entertainment among others. In a... see more
O. S. Abiola, O. I. Madoti, T. G. Oduyebo, H. A. Quadri
Poor subgrade soil conditions can result to inadequate pavement support and reduce pavement life and such soil may be improved through the addition of chemical or cementation additives. This paper present assessment of weak subgrade stabilized with Calciu... see more
A. I. Ola, A. D. Adewumi, O. O. Adewumi, E. O. A. Oluwalana, B. A. Adewumi, S. A. Emmanuel
Extraction of honey from honey comb is extracted predominantly using either traditional method or the mechanical screw press method which generates a problem of crushing the comb along with the extract. This creates an additional cost of separating unwant... see more
N. Fidelis, O. Busola, A. Adebola, B. Adedayo
Treating wastewater is very critical for preserving the quality of surface and ground waters. It is estimated that there is about nine times more energy in the wastewater than was used to treat it. Nigeria’s power supply has continued to linger with its e... see more
A. A. BADEJO, A. A. ONIPEDE, A. A. ADEKUNLE
This research investigated contamination of sediments due to continuous tie and dye effluents discharge into Oke-Itoku River, Abeokuta, Nigeria. Surface and subsurface sediment samples were collected upstream, at point of discharge and downstream. The con... see more
F. NKESHITA, A. ADEKUNLE, A. BADEJO
Groundwater quality samples were collected from boreholes and hand-dug wells located in some parts of the study area and were assessed for some physico-chemical parameters including pH, Electrical Conductivity, Total Dissolved Solids, total hardness, chlo... see more
S. M. Mhlongo, W. K. Kupolati, S. O. Abiola, J. M. Ndambuki
The construction of pavements requires a significant amount of non-renewable materials and energy. Recycling of asphalt pavements is a valuable approach for technical, economic and environmental reasons. The use of reclaimed asphalt pavement (RAP) is bein... see more
S. O. Abiola, S. Molemo, M. E. Muluvhu, M. V. Zitholele, K. Sephai, W. K. Kupolati
Subgrade soils encountered during road construction are not always good materials to respond to the imposed stresses which has become a dominating factor for the failure of pavements in Nigeria. The subgrade materials were sourced from three locations wit... see more
B. B. Olufemi, R. A. Olayide, O. A. Peter, G. A, Sunday
Rice is generally considered as semi aquatic annual plant that survives as perennial in the tropics or subtropics. The high cost of the available rice milling machine affects the production of rice in large quantity. Therefore, there is need for a l... see more
O. ODUNFAS, H. O. ODELADE
Cement is known globally to be the most expensive constituents of concrete. During its course of production, the CO2 which is released has negative impacts both on human’s health and other inhabitants in the community. These problems however have called f... see more
R. A. Ganiyu, O. O. Okediran, E. O. Omidiora, C. A. Oyeleye, M. B. Abdulsalam
Pre-hospital emergency care service is a major gateway to the Accident and Emergency Department that determines the rate of quality emergency service in hospitals. In this paper, Timed Coloured Petri Nets (TCPN) formalism is employed to model a pre-hospit... see more
O. Duduyemi, K. O. Ogundipe, J. O. Olajide
Palm kernel cake, a by-product of palm kernel seed oil processing was analysed for its metallic contamination as livestock feed without modification or Zinc supplementation. Metalloid analysis of cake from industrial output revealed Copper II ion (Cu2+) c... see more
O. A.A. Eletta, S. I. Mustapha, S. Onyema,
This study evaluated the potential of Carica papaya Seed (CPS) as a coagulant for water treatment. Surface water samples from Asa River in Ilorin, Kwara State, Nigeria were collected for the study. The trace metal levels were... see more
O. A. Adeleke, W. Boonsong
The performance and efficiency of a cooperative diversity scheme depend, largely on proper allocation of resources like power and bandwidth. Another important factor to consider is the selection of a proper partner by the source node to help in forwarding... see more
F. A. Semire, R. Mohd-Mokhtar, O. A. Adegbola, I. A. Akanbi
Attenuation due to rainfall is one of the most fundamental constraints on the performance of satellite links above 10 GHz. This work presents the results of rain attenuation measurement using radar data collected from MMD and DIDM Malaysia. The results we... see more
H. O. Omoregie, S. C. Nwadigwu, D. O. Ibukun, O. E. Adeleke
Nickel(II) and copper(II) mixed-ligand complexes of Salicylaldehyde with 2,2'-bipyridine, 1,10-phenanthroline and ethylenediamine were synthesised and characterised by molar conductance, spectroscopic measurement, room temperature magnetic measurement and... see more
O. O. Agbede, K. Hellgardt, G. H. Kelsall
A novel helium-stirred solid oxide fuel cell (SOFC) with a molten metal anode for electricity generation and oxygen dissolution in a molten metal was investigated. This SOFC configuration employs conventional cathode and electrolyte but incorporates... see more