Natural & Applied Sciences

Research Papers/Topics Natural & Applied Sciences

On Application of Mathematical Modeling in the Spread of HIV/AIDS Epidemic

Mathematical models here serve as tools for understanding the epidemiology of Human Immunodeficiency Virus (HIV) and Acquired Immunodeficiency Syndrome (AIDS) if they are carefully constructed. The research emphasis is on the epidemiological impacts of AIDS and the rate of spread of HIV/AIDS in any given population through the numericalization of the Basic reproductive rate of infection (R0). Applicable Deterministic models, Classic Endemic Model (SIR), Commercial Sex Workers (CSW) model, Dyn...

Dynamic Buckling of a Clamped Finite Column Resting on a Non – linear Elastic Foundation

The analysis of the dynamic buckling of a clamped finite imperfect viscously damped column lying on a quadratic-cubic elastic foundation using the methods of asymptotic and perturbation technique is presented. The proposed governing equation contains two small independent parameters (δ and ϵ) which are used in asymptotic expansions of the relevant variables. The results of the analysis show that the dynamic buckling load of column decreases with its imperfections as well as with the increas...

UTILIZATION OF THE BIG 6 INFORMATION LITERACY MODEL IN THE ASSESSMENT OF INFORMATION LITERACY SKILLS OF POSTGRADUATE STUDENTS OF THE DEPARTMENT OF LIBRARY AND INFORMATION SCIENCE, BAYERO

                                                           ABSTRACT This research work tends to examine “THE UTILIZATION OF THE BIG 6 INFORMATION LITERACY MODEL IN THE ASSESSMENT OF INFORMATION LITERACY SKILLS OF POSTGRADUATE STUDENTS OF THE DEPARTMENT OF LIBRARY AND INFORMATION SCIENCE, BAYERO UNIVERSITY, KANO.”             The project has been sub-divided into five main phases (chapters) which determines the find...

A review of mortality differential

A REVIEW OF MORTALITY DIFFERENTIALS. Abere, OmotayoJohncally(johncally68@yahoo.com) Department of Actuarial Science & Insurance, University of Lagos Nigeria Mojekwu, Joseph Nnamdi (Corresponding Author) Department of Actuarial Science & Insurance, University of Lagos Nigeria E-mail: jnmoje@yahoo.com   Abstract. Introduction: Mortality differentials can be described as those determinants or indicators that measure relative differences in the timing of death between different groups. They m...

Mycotoxins and food safety in developing countries

Fungi are ubiquitous plant pathogens that are major spoilage agents of foods and feedstuffs. The infection of plants by various fungi not only results in reduction in crop yield and quality with significant economic losses but also contamination of grains with poisonous fungal secondary metabolites called mycotoxins. There is an urgent need to address the food safety and International trade issues associated with mycotoxin contamination in Nigerian consumer goods and agricultural products be...

Measures to be taken to prevent food poisoning

Food poisoning is a term applied to an acute intestinal disease acquired by the consumption of food or drinks (e.g. juice, water, wine). The toxic agents responsible for food poisoning include the following; microorganisms that occur naturally in humans, animals and/or the environment, naturally occurring toxins that occur in food naturally or produce toxins inside the food through normal biological processes. Food poisoning is often confused with food allergy and food adverse effects, which ...

Food safety implications of vended food in nigeria

Street food vending is a common feature of most cities and towns in developing countries, Aside provision of ready-made instant meals at relatively inexpensive prices, teeming urban dwellers are attached to street foods because of its gustatory attributes. Street food vending makes up the significant proportion of informal sector of the economy of most developing countries. Street foods contribute to a significant number of food poisonings due to paucity of data deficiencies in knowledge abou...

Antimicrobial activities of selected plants (bitterleaf, utazi, and bitterkola leaf)extracts against fish pathogenic bacteria

Aquaculture has been a growing activity for the last 20 years worldwide and this impressive development has been attended by some practices potentially damaging to animal health. The bacterial infections are considered the major cause of mortality in aquaculture. Among the common fish pathogens, A. hydrophila and Y. ruckeri as gram-negative and S. agalactiae, L. garvieae and E. faecalis as grampositive bacteria cause infectious diseases.

ENHANCING THE USE OF ICT IN TECHNICAL AND VOCATIONAL EDUCATION

Abstract Vocational and Technical Education is increasingly becoming individualised, customised and universally accessible. Its future is being shaped by current and emerging technologies that are drastically changing the way in which teaching and learning are experienced. Such changes are as a result of development in the field of educational technology to utilise project based learning, mobile learning devices, cloud computing, 3-D learning tools, blended learning and multifaceted technolog...

Determination of the cyanide content in some bitter cassava species in parts of Ohimini L.G.A of Benue State

This project work was carried out to determine the cyanide content in some bitter cassava species in parts of Ohimini L.G.A of Benue State and finding out the best method to considerably reduce the high content in the cassava.

Domestic energy needs in Tarauni Local Government Area of Kano State

The research work focused on domestic energy needs in Tarauni Local Government Area of Kano State. The study aimed at determining the various types of energy use by households as well as examining the relationship between household income level and energy consumption. Survey method was used to obtain information about domestic energy needs Questions on various aspect of the study were posed in which members of the population responded to them.  The findings revealed that there is a significa...

The antibacterial producing properties of Actinomycetes

ABSTRACT The antibacterial producing properties of Actinomycetes were carried out using soil samples collected from different locations at Osun State University, Osogbo, main campus. The soil samples were collected from twelve (12) diffeferent locations within the study site. The samples were cultured aseptically by inoculating each samples on Starch Casein agar and incubated at 30oC. Identification and characterization were carried out by morphology, microscopic and biochemical tests. The pr...

Design Analysis and Implementation of A 0.5 KVA Uninterruptible Power Stabilizer

This  paper  presents  design  analysis  and  implementation  of  a  0.5  KVA  uninterruptible  electronic power  stabilizer  (UPSz).  Poor  and  instability  of  power  supply  delivery  in  Nigeria  necessitated  the need  for  a  device  that  can  stabilize  voltage,  protect  equipment  from  damages  and  also  provide power  to  the  loads  in  the  absences  of  electricity  from  the  utility  mains.  This  need  motivated  the d...

Design and fabrication of a gas pressing iron

Various  hand  held  devices  have  been  invented  and produced  as  far  back  as  the  1st  century  B.C  to  smoothen  fabrics. Over  the  years,  irons  have  come  in  different  shapes,  sizes  and principle  of  operation.  Since  the  invention  of  electricity,  electric irons  have  dominated  the  iron  industry.  In  developing  countries, Erratic  and  epileptic  power  supply  owing  to  the  inability  of public  power  su...

Assessment of Heavy Metals in The Muscle of Domestic Birds

Abstract— The main objective of the present study was to provide the information on the concentration and distribution of manganese (Mn), iron (Fe), copper (Cu), zinc (Zn), cadmium (Cd) and lead (Pb), in the muscle of different species of domesticated birds  (guinea fowl, Local fowl, Cockerel) considering both male and female species using  Atomic absorption spectrophotometry. Initially, the samples were digested with concentrated nitric acid, Hydrogen peroxide and Perchloric acid in a T...


6346 - 6360 Of 8198 Results
@