Research ArticleOpen accessIn the abstractPredicting Insurance Investment: A Factor Analytic ApproachSamuel Obi-Nnamdi Agwuegbo, Adetunji Philip Adewole, A. N. MaduegbunaProblem statement: In the last decade growing attention has been paid to the pattern of investments by the insurance industry and the question of how to evaluate such investments. In an economy where the capital market is huge and active, mathematical considerations come into play in the selection of investments to ensure yield maximisation. Approach: This study examined the use … …Journal of Mathematics and Statistics, Vol. 6, Issue 3 · 30 Sep 2010 · 7,503 accessesView PDFCite
Research ArticleOpen accessIn the abstractOrdinal Logistic Regression Model: An Application to Pregnancy OutcomesK. A. Adeleke, A. A. AdepojuProblem statement: This research aimed at modeling a categorical response i.e., pregnancy outcome in terms of some predictors, determines the goodness of fit as well as validity of the assumptions and selecting an appropriate and more parsimonious model thereby proffered useful suggestions and recommendations. Approach: An ordinal logistic regression model was used as a tool to model the three major … …Journal of Mathematics and Statistics, Vol. 6, Issue 3 · 30 Sep 2010 · 14,554 accessesView PDFCite
Research ArticleOpen accessIn the abstractHeavy Metals Contamination of Road-Deposited SedimentsJonathan YisaProblem statement: Impact of anthropogenic activities on man and his environment as a result of the growing rate of urbanization in Bida, Nigeria is of a great concern. Street sediments that accumulate along pavements in urban environments have the potential to provide considerable loadings of heavy metals to receiving waters and water bodies, particularly with changing environmental conditions. The objective … …American Journal of Applied Sciences, Vol. 7, Issue 9 · 30 Sep 2010 · 7,314 accessesView PDFCite
Research ArticleOpen accessIn the abstractAttributes of Domestic Water Sources in a Rapidly Urbanizing State Capital in a Developing EconomyA. E. OlajuyigbeProblem statement: The efficiency and effectiveness of domestic water sources are often gauged by availability, accessibility and adequacy. This study examined various variables that could be harnessed in measuring these parameters with respect to water supply in Ado-Ekiti, Nigeria. Approach: The purpose of this study is to investigate the various attributes of domestic water sources in Ado-Ekiti, Nigeria. Three residential … …Journal of Social Sciences, Vol. 6, Issue 2 · 30 Jun 2010 · 8,123 accessesView PDFCite
Research ArticleOpen accessIn the abstractPension Reform Act 2004: An OverviewF. OlurankinseProblem statement: The study critically analyzed the impact of the current pension reform scheme in the public service in Nigeria. Approach: The study revealed the public concern over pension matters and focused on ways to improve quality of life after service and how to increase life expectancy of pensioners in Nigeria. Results: The urgent need of reform necessitated the carrying … …Journal of Social Sciences, Vol. 6, Issue 2 · 30 Jun 2010 · 8,545 accessesView PDFCite
Research ArticleOpen accessIn the abstractArtificial Neural Network Based Model for Forecasting Sugar Cane ProductionO. O. Obe, D. K. ShangodoyinProblem statement: The global need for alternative energy source has necessitated the exploration of vast organic agricultural products with a view of processing them for the production of ethanol in commercial quantity. To ascertain a sustainable production of ethanol from processed sugar cane, a predictive model based on non-linearity nature of its production is imperative. This is due to unavailability … …Journal of Computer Science, Vol. 6, Issue 4 · 30 Apr 2010 · 7,272 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalytical Studies on Water Quality Index of River LandzuJ. Yisa, T. JimohProblem statement: River Landzu is of particular importance in the study of surface water pollution because effluents from cottage industries, municipal sewage, agricultural and urban run-off are discharged into it bringing about considerable change in the water quality. Approach: This study aimed at using the application of Water Quality Index (WQI) in evaluating the quality of River Landzu for public … …American Journal of Applied Sciences, Vol. 7, Issue 4 · 30 Apr 2010 · 11,619 accessesView PDFCite
Research ArticleOpen accessIn the abstractPotentials and challenges of Participation in Agricultural Biotechnology R and D: A Case for National Agricultural Research Capacity BuildingA.E. Adekoya, T.A. AdisaProblem statement: Scientists in National Agricultural Research Institutes and University faculties of agriculture and veterinary medicine were surveyed to explore their participation in agricultural biotechnology research in Nigeria. Multistage sampling was used. Approach: Two Federal universities and two state universities were randomly selected from a list of Federal and State universities. In addition to these, one university each was selected … …American Journal of Biochemistry and Biotechnology, Vol. 6, Issue 1 · 31 Mar 2010 · 7,672 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of the Mutagenicity of Some Pharmaceutical EffluentsA. Akintonwa, O. Awodele, A. T. Olofinnade et al.Problem statement: The pharmaceutical industry is a major contributor to industrial wastes globally. Effluents from this industry are usually discharged into the environment and when not properly handled and disposed, they affect both human health and the environment. Approach: This study evaluated the mutagenic potentials of effluents from six pharmaceutical companies in the Lagos province of Nigeria using modified Ames … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 4 · 31 Dec 2009 · 7,514 accessesView PDFCite
Research ArticleOpen accessIn the abstractPneumatic and Hydraulic Systems in Coal Fluidized Bed CombustorZ. O. Opafunso, I. I. Ozigis, I. A. AdetundeProblem statement: This study designed the pneumatic and hydraulic systems in coal fluidized bed combustor. These are fluidization of silica sand bed material, Air distributor, centrifugal fan, electric motor power drive and surface heat exchanger. Approach: The effects of increased gas velocity on silica sand and the resultant drag force formed the basic equations in fluidization. Air distributor was introduced … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 1 · 31 Mar 2009 · 7,722 accessesView PDFCite