Rivers State University of Science and Technology

About: Rivers State University of Science and Technology is a education organization based out in Port Harcourt, Rivers, Nigeria. It is known for research contribution in the topics: Population & Threatened species. The organization has 1826 authors who have published 1833 publications receiving 15183 citations.

Analysis and Evaluation of Specific Absorption Rate of GSM Signal in Port Harcourt, Nigeria

Abstract: There is a growing concern in the world that residents close to GSM base station facilities are exposed to electromagnetic radiation which causes different health illness like cancer, leukemia, memory lost, dizziness, fatigue, etc. This study puts to rest the position on the effect of radiofrequency (RF) radiation from GSM masts on human health. In this research work, the evaluation and assessment of radio frequency radiation in five selected mobile base stations facilities in Obio/Akpor Local Government of Rivers State, Nigeria were carried out using an EMF meter for measurement of Electric field. The measurements of the radio frequency radiation with the EMF meter was conducted from 0 – 300m away from the selected base transceivers stations facilities of the selected telecommunication operators (MTN, Globacom and Airtel) in Nigeria. The data obtained from the research were analyzed using Specific Absorption Rate formula to establish whether with time exposure to RF radiation will have negative impact on human health. The normal specific absorption rate (SAR) and the Power Density for the general public whole body was assessed from the measured electric field strength and the results were compared with that of International Commission on Non Ionization Radiation Protection (ICNIRP).The results showed that the average amount of SAR for the selected five base transceiver station (BTS) facilities were within the range of 0.0037 W/kg – 0.0084 W/kg and the power density 1.5183 W/m2 – 9.5083 W/m2. These values are lower than the recommended limit by ICNIRP which is 0.08w/kg for the human body. This study has shown that there is inconsequential effect on human health because the non-ionizing electromagnetic energy has no sufficient energy to affect any part of human body for the residents living close to the selected BTS facilities of the various telecommunication providers.

Water Quality Assessment of Elechi Creek Receiving Effluent Discharges from Industrial Activities in Port Harcourt, Nigeria

Abstract: The Physico-chemistry and heavy metal analyses of Elechi creek were assessed to determine the level of contamination and concentration of metals in the water body. Standard analytical procedures were used during the study. The study showed that pH recorded 7.00-7.35 in surface water; 6.60-7.00 in wastewater while Temperature of the surface water samples ranged from 27.929.0°C, Wastewater samples also recorded temperatures values of 26.9-27.8°C in all sampled stations. The values of metals in the surface water ranged from 0.14 to 0.26 mg l -1 for Fe, 0.04 to 0.09 mg l for Cu and 1.21 to 1.42 mg l for Zn. The mean values for Pb, Cr, Mn and Cd were 0.001 mg l -1 in all the stations. The mean values in the wastewater samples ranged from 7.25 to 16.62 mg l for Fe, 4.70 to 8.50 mg l for Zn, 0.21 to 0.34 mg l for Mn, 0.13 to 0.22 mg l for Cr, 0.06 to 0.12 mg l for Pb, 0.03 to 0.07 mg l for Cu and 0.001 mg l for Cd. There were no significant differences across the sampled stations; although some of the metals were below permissible limits. The study revealed that the water is heavily polluted but not contaminated with the waste products it receives, although the accumulated presence of these pollutants in the water can pose an environmental threat in the near future. Original Research Article Meregini-Ikechukwu et al.; JAMB, 20(8): 21-30, 2020; Article no.JAMB.60082 22

Expert System for Medical Diagnosis of Hypertension and Anaemia

Abstract: The paucity of Medical Experts in developing countries has subjected large percentage of its populace to preventable ailments and deaths. A medical diagnostic system uses the computer with an interactive interface to simulate a medical doctor skill in diagnosis of ailments and prescription of treatments, hence can be used to provide the same service in the absence of the medical experts. The system is built with Bayesian Network technology. Bayesian Network is an efficient technique in modelling real life problems and reasoning under uncertainties.

Proper Energy Mix: A Solution to Stable Power Supply in Nigeria

Abstract: Nigeria is a country blessed with abundant sources of energy. The choice of energy for electricity generation in an area has always been influenced by political motives that the proper choice of energy type and the economic advantages are not considered. Due to these wrong foundations the stable power supply has been seen in Nigeria as an impossible target. The paper therefore is aimed at considering the available sources of energy in Nigeria and to suggest the best energy mix that will make this dream a reality. For this reason studies were carried out in some parts of the world as regards to: (i) The sources of energy available, (ii) The energy mix, (iii) The generating sources and the available energy. From the study it was seen that Nigeria primary energy resources are in excess of its domestic electric energy requirements that it should not experience electricity supply inadequacies. One of the solutions to adequate and stable power supply is to have a proper energy mix with proper load projection and good management system. DOI: 10.5901/ajis.2013.v2n13p93