A circularly polarized microstrip short backfire antenna (CPMSBA) with one ring corrugated rim, using aperture coupled feed method is proposed in this paper. The antenna is designed to operate in KU-band. The simulation results verify the circular polarization. The impedance band...
Open access
Research Article10.9734/AIR/2017/34595
This work is an integrated evaluation of the external and internal structures of an erosion site in Ebem-Ohafia area of Abia state, Nigeria using the geophysical and geotechnical methods of investigation. The geophysical method used was the electrical method which employed the Sc...
Open access
Research Article10.9734/AIR/2017/31538
Aim: Wireless Sensor Network is spatially distributed autonomous sensor to monitor physical and environmental conditions. Energy is the scarcest resource of WSN nodes, and it determines the lifetime of WSNs. For this reason, algorithms and protocols need to address the issues suc...
Open access
Research Article10.9734/AIR/2017/34245
This study was carried out to investigate the groundwater potential in Michael Okpara University of Agriculture, Umudike area of Abia State, Nigeria. A total of nine vertical electrical soundings were acquired and the results were correlated with records available from an existin...
Open access
Research Article10.9734/AIR/2017/32121
Aims: Seed characters are very helpful for identification of a large number of species or genera. In many cases, morphological characteristics, germination and production of seeds, can be used to distinguish species and varieties. Methodology: Study it thoroughly in the laborator...
Open access
Research Article10.9734/AIR/2017/33747
Aims: To examine the status of Fish Aggregating Device (Katha) fishery in the river Titas in Bangladesh and development of an alternative Katha fishery management strategy. Study Design: All Fish Aggregating Devices (Kathas) were recorded through a census survey. Fish catch moni...
Open access
Research Article10.9734/AIR/2017/33850
This study aims at analyzing the influence of rainfall and temperature on Total Column Ozone (TCO) over West Africa. It provides adequate information on the spatial variability of total column ozone concentration, temperature distribution across latitudinal zones, monthly distrib...
Open access
Research Article10.9734/AIR/2017/34312
The rise of non-bank trade finance has been especially noticeable in the last decade. Many commodity and e-commerce companies are rapidly entering this arena as sovereign guarantees and collaterals take a backseat making it harder for banks to apply traditional mo...
Open access
Research Article10.9734/AIR/2017/34104
Aims: The study focused on the perceptions about social responsible investing (SRI) among academic staff. The target population for the study were staff of the University of Cape Coast. Study Design: The study employed the cross-sectional survey research design. Place and Duratio...
Open access
Research Article10.9734/AIR/2017/33420
G. O. Oyeleke, R. O. Adetoro, W. K. Sulaiman & A. A. Adebisi·Advances in Research·2017
The amino acid contents and the functional properties of matured unripe, ripe and overripe pawpaw (Carica papaya) seeds were carried out using standard methods as follow up to a previous paper where some aspects of the chemical composition of the seeds at different ripening stage...
Open access
Research Article10.9734/AIR/2017/33424
The quantification of activity concentrations of radionuclides and the radiation hazard indices in the exploration fields of Benue State have been carried out. Samples of the environmental matrix (soil and minerals) were collected from five mining sites of barite, limestone, lead...
Open access
Research Article10.9734/AIR/2017/33432
Syngas is a comparatively low energy fuel gas that can be utilized in spark ignition and compression ignition (diesel) internal combustion engines manufactured to run on gasoline or diesel fuels to reduce or eliminate the petroleum fuel requirement for the engine. Syngas can be p...
Open access
Research Article10.9734/AIR/2017/32896
Primary productivity study is important for the assessment of productivity of any aquatic systems. The present investigation is carried out to understand the status of primary productivity of Khaire reservoir of Raigad district. Analysis of primary productivity was done by using...
Open access
Research Article10.9734/AIR/2017/33366
Aims: The main purpose of this paper is to test if prices of coal firm stocks in the Chinese A-Share market fluctuate around a long-term trend. Study Design: Existence of a unit root implies that a macroeconomic variable is non stationary and a shock to the market may have impose...
Open access
Research Article10.9734/AIR/2017/33557
Chilli or hot pepper belongs to the family Solanaceae having diploid chromosome number of 24. It is believed to have originated from South and Central America. The genus Capsicum includes twenty-seven species of which five species namely Capsicum annuum, C. frutescens, C. chinens...
Open access
Research Article10.9734/AIR/2017/33279