Attenuation is an undesirable factor that weakens the strength of signal as it travels down fiber optics. Attenuation level in every fiber communication link must be kept at its tolerable range in order to maintain good signal transmission. When the level of attenuation in a link...
Open access
Research Article10.9734/jerr/2018/v1i49864
The high brittle nature of pavement structures have been carefully examined based on compressive, tensile strain and the harsh effects of fatigue cycle with reference to the base layer thicknesses and elastic strains during and after construction were examined. Subjection of asp...
Open access
Research Article10.9734/jerr/2018/v1i39849
The effectiveness of Nando clay in the bleaching of palm oil was studied in this work. The clay was prepared by activating it with hydrochloric acid. The bleaching was carried out at different temperatures, adsorbent dosage and particle sizes. The result suggests that increase in...
Open access
Research Article10.9734/jerr/2018/v1i39855
Significant investments are being made yearly to improve service quality and delivery in banking systems to minimise customers' dissatisfactions with long waiting time due to overcrowding. However, most existing empirical studies to address this problem employed the method where...
Open access
Research Article10.9734/jerr/2018/v1i39830
Appropriate path loss mathematical models help in reducing the complexity of the co-channel interference of Global System for Mobile Communication and Wireless Networks. This work proposes, to adopt and modify Hata model using fuzzy logic and spline interpolation techniques. Mean...
Open access
Research Article10.9734/jerr/2018/v1i39815
This paper presents a comparative analysis of autogenous and media assisted grinding of a manganese ore and copper ore both obtained from Otjihase in Namibia. The objective was to understand the relationship between ore properties and Grindability and thus effectively select comm...
Open access
Research Article10.9734/jerr/2018/v1i39824
The swift growth in multimedia technology of wireless network has made it mandatory for the efficient transmission across erratic channel. The transmission of encoded video using error control techniques is grabbing a great attention, since it works over the recovery of the lost...
Open access
Research Article10.9734/jerr/2018/v1i29811
Geochemical and geotechnical studies of soil deposits along some highways in Ondo State were investigated. Field mapping revealed an underlying basement rock suite comprising granite, granite gneiss, migmatite and schist. The geochemical analysis employed X-ray fluorescence and A...
Open access
Research Article10.9734/jerr/2018/v1i29806
This article involves the site specific determination of an outdoor path loss model and Signal penetration level in some selected modern residential and office apartments in Ogbomosho, Oyo State. Measurements of signal strength and its associated location parameters referenced gl...
Open access
Research Article10.9734/jerr/2018/v1i29804
A three factor three level full factorial experimental design was used to determine the effect of extrusion variables on the colour of the extrudate with (90, 100 and 110°C) barrel temperature (50:20:30, 20:25:25 and 50:30:20) feed composition for ratios of sorghum groundnut and...
Open access
Research Article10.9734/jerr/2018/v1i29798
Mathematical models have been very useful in reducing challenges encountered by researchers due to the inability of having solar radiation data or lack of instrumental sites at every point on the Earth. This work aimed at investigating the prediction performance of Hargreaves-Sa...
Open access
Research Article10.9734/jerr/2018/v1i29801
The basic operational parameters of a simplified pico-hydropower system with provision for water recycling were investigated. Five simplified turbine of runner diameters 0.45, 0.40, 0.35, 0.30 and 0.25 m were designed, locally fabricated, and tested in conjunction with five PVC p...
Open access
Research Article10.9734/jerr/2018/v1i19787
The scour downstream spillways can endanger the stability of the dams. Hence, determining the scour depth downstream of spillways was vital importance which scours holes formed around and near the foundations of spillways can endanger the stability of dams and may lead to their f...
Open access
Research Article10.9734/jerr/2018/v1i19779
This research work shows the variability of solar parameters. The parameters that are solar radiation, sun intensity and temperature were optimized and predicted in other to investigate its influence in Permanent site of Federal Polytechnic, Oko, Anambra State, South Eastern part...
Open access
Research Article10.9734/jerr/2018/v1i19783
This paper presents an approach for improving productivity in breweries. A case study of AB brewery was adopted. Traditionally, packaging line improve performance and productivity based on extrapolation of past experience, but in recent times, the traditional method could not me...
Open access
Research Article10.9734/jerr/2018/v1i19764