The riddle of Barack Obama: A psychoanalytic study

African Journal of Political Science and International Relations

Afr. J. Pol. Sci. Int. Relat.

In August 2008 the 47-year-old Barack Hussein Obama was elected by the U.S. Democratic National Convention as its nominee for President of the United States. This was the first time an African-American had ever been nominated to this office. It was a momentous and revolutionary event. The bright African-American orphan son of a bright but tragic Kenyan father, who had died in a tragic car accident in 1982 in Kenya, after losing his career and his... Read more

Vol. 8 Num. 9

Co-infections with Schistosoma haematobium and soil-transmitted helminths among school-aged children in Saki, Oyo State, Nigeria

Journal of Public Health and Epidemiology

J. Public Health Epidemiol.

A cross-sectional study was conducted to determine the prevalence and intensity of soil-transmitted helminthiasis and urinary schistosomiasis and the co-infection of these intestinal helminths among school children in Saki town, Oyo state, Nigeria. Early morning stool samples were collected and a Kato-Katz thick smear technique was used to examine and count parasitic load.Urine samples were also collected and examined for Schistosoma haematobium ova... Read more

Vol. 6 Num. 12

Land reform and deforestation in the Gish Abbay Area: A historical perspective

African Journal of History and Culture

Afr. J. Hist. Cult.

The Gish Abbay area is among one of the environmentally most affected areas where environmental deterioration has prevailed. A lot of factors have contributed to this negative development. The major ones are rapid population growth, poverty and inappropriate forest and land related laws and legislations. Among others, however, this paper attempted to highlight how government land policy over many years was responsible for deforestation in the area.... Read more

Vol. 6 Num. 10

Genetic diversity and adaptation to different tillage and farming systems of cocoyam genotypes (Xanthosoma sagittifolium L. Schott) in the Eastern Region of Ghana

Journal of Plant Breeding and Crop Science

J. Plant Breed. Crop Sci.

Experiments conducted in Ghana show that cocoyam exists as mixtures of clones in farmers farms. This work aimed to use RAPD markers to determine the extent of diversity in cocoyam genotypes collected from farms at different locations in the Eastern region of Ghana. The study also investigated whether the genotypes have different adaptation to different farming systems (intercropping with plantain and sole cropping) and tillage methods (mounds and... Read more

Vol. 6 Num. 12

Prioritization and cost and returns analyses of selected non-timber forest products in Yobe State, Nigeria

Journal of Development and Agricultural Economics

J. Dev. Agric. Econ.

This article describes cost and returns analysis of first five preferred Sahel savanna non-timber forest products (NTFPs) in Yobe State, Nigeria. The results demonstrate that households in Yobe State could realize NGN2,898.48 and NGN142,615.49 from the NTFPs as the least and maximum gross margins (household incomes) respectively. Gross margin ratio of households across all the study sites ranged from 0.925 to 0.980, and that from individual study... Read more

Vol. 6 Num. 12

Farmer perceptions of aflatoxin management strategies in lower Eastern Kenya

Journal of Agricultural Extension and Rural Development

J. Agric. Ext. Rural Dev

Aflatoxins pose a serious problem to maize grains, rendering them unsuitable for human and livestock consumption. This study assessed farmers’ attitude toward, and knowledge and perceptions of, the nature, causes and use of biological technologies in aflatoxin control in Embu, Machakos, Makueni and Kitui Counties of Kenya. A total of 480 households were randomly selected from two districts per county using a GPS system. The tools used in the... Read more

Vol. 6 Num. 12

Critical analysis of existing economic tools available for assessing river water quality

International Journal of Water Resources and Environmental Engineering

Int. J. Water Res. Environ. Eng.

This review paper critically analyzes the economic literature on the approaches of measuring the environmental benefits. It focuses on the economic methodologies that are available for the evaluation of the effects (social costs and benefits) of environmental changes (degradation/preservation) on river water quality. Further, it shows how the monetary valuations of these effects can have an impact in making of economic policy for creating more... Read more

Vol. 6 Num. 11

The Role of women in Tebhaga movement in Jalpaiguri District and to preserve their identity

African Journal of History and Culture

Afr. J. Hist. Cult.

The roots of the Indian women’s movement go back to the 19th century male social reformers who took up issues concerning women and started women’s organizations. Women started forming their own organization from the end of the nineteenth century first at the local and then at the national level. In 1946, the two main issues they took up were political rights and reform of personal laws. Women’s participation in tebhaga movement... Read more

Vol. 6 Num. 9

The taxonomy of Nigerian varieties of spoken English

International Journal of English and Literature

Int. J. English Lit.

The dream of a Nigerian English dictionary has recently been actualized. The academic body of teachers and researchers known as NESA recently published a dictionary of the Nigerian English. The corpus of words and expressions in the dictionary represents the meaning and pronunciation of words as used by Nigerians.As a headlamp into the major and minor languages spoken by a vast population of Nigerians, this article seeks to stratify the varieties of... Read more

Vol. 5 Num. 9

Elites and exclusive politics in Sub-Saharan African

African Journal of Political Science and International Relations

Afr. J. Pol. Sci. Int. Relat.

This paper examines democracy as a major and popular form of government which is finding ground across the African continent. The study also examines the degree to which political power is concentrated in the hands of elites while the ordinary citizens are relegated to voting alone when elections are due shortly after which they are soon forgotten in the governance of state affairs. Conducted with the use of secondary sources of data collection, the... Read more

Vol. 8 Num. 8

Prevalence, cyst viability, organ distributions and financial losses due to hydatidosis in cattle slaughtered at Nekemte municipal abattoir, Western Ethiopia

Journal of Veterinary Medicine and Animal Health

J. Vet. Med. Anim. Health

  A cross-sectional study was conducted from October, 2013 to March, 2014 to assess the prevalence, cyst viability, organs distribution and direct financial losses of hydatidosis in cattle slaughtered at Nekemte municipal abattoir. Out of 473 inspected cattle at postmortem inspection, 82 (17.34%) were harboring a single or multiple hydatid cysts. Significantly (P < 0.05) higher infection rate was observed in different age groups and body... Read more

Vol. 6 Num. 11

Denoising a model employing automated bandwidth selection procedures and pre-whitened Euclidean-based quadratic surrogates in PROC ARIMA for optimizing asymptotic expansions and simulations of onchocerciasis endemic transmission zones in Burkina Faso

Journal of Public Health and Epidemiology

J. Public Health Epidemiol.

  In this research we constructed multiple predictive ArcGIS Euclidean distance–based autoregressive infectious disease transmission oriented models for predicting geographic locations of endemic onchocerciasis (“river blindness”) transmission risk zones in Burkina Faso. We employed multiple spatiotemporal-sampled empirical ecological data sets of georeferenced covariates of riverine larval habitats of Similium damnosum... Read more

Vol. 6 Num. 11

Comparative economic analysis of tomato (Lycopersicon esculenta) under irrigation and rainfed systems in selected local government areas of Kogi and Benue States, Nigeria

Journal of Development and Agricultural Economics

J. Dev. Agric. Econ.

The study compared the economic performance of tomato (Lycopersicon esculenta) under irrigation and rain fed systems in Bassa and Makurdi Local Government Areas of Kogi and Benue States of Nigeria, with the aim of assessing the determinants of its profitability. Primary data obtained from a sample of 120 farmers by stratified and multi-staged random sampling from four villages were analyzed using percentages, means, gross margin, net profit,... Read more

Vol. 6 Num. 11

Perceived housing satisfaction in public estates of Osogbo, Nigeria

Journal of Geography and Regional Planning

J. Geogr. Reg. Plann.

The study assesses residents’ housing satisfaction in public housing estates of Osogbo, Nigeria. Condition of housing, adequacy of housing facilities and residents’ perception of housing satisfaction in public estates in Osogbo were assessed. The study necessarily relied on both the primary and secondary data. Both qualitative and quantitative data were also used. Data were obtained from six (6) public housing estates in Osogbo. A... Read more

Vol. 7 Num. 9

Anatomy of the periodontium: A biological basis for radiographic evaluation of periradicular pathology

Journal of Dentistry and Oral Hygiene

J. Dent. Oral Hyg.

  The periodontium surrounds and supports the teeth and consists of four major components; gingiva, periodontal ligaments, cementum/dentin, and alveolar bone/lamina dura, with collective function of keeping the tooth in position despite varying changes and responses during mastication. A near-normal radiograph of periradicular tissues was used as the basis for evaluation of some common periradicular radiographic pathologies. Apical... Read more

Vol. 6 Num. 7

Relationship between occupational skills provided to Polytechnic Diploma Engineers by BTEB and requirement of industry in Bangladesh

International Journal of Vocational and Technical Education

Int. J. Voc. Tech. Educ.

The objective of this study was to find the relationship between the occupational skills provided to polytechnic diploma engineers by BTEB (Bangladesh Technical Education Board) and requirement of industries in Bangladesh. Questionnaires were sent to Managers and diploma graduates of industries around Dhaka and Gazipur, teachers of Dhaka polytechnic institute, officers of BTEB and DTE (Directorate of Technical Education) to find out the extent to... Read more

Vol. 6 Num. 4

Response of chips from different varieties of yam to larger grain borer (LGB) (Prostephanus truncatus (Horn) (Coleoptera: bostrichidae) infestation

Journal of Entomology and Nematology

J. Entomol. Nematol.

Laboratory studies were conducted at the University of Port Harcourt to evaluate the response of dried yam chips as a host for Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae). The test was conducted using four improved yam varieties namely; Adaka, Ame, Nwokpoko and Obiaturugo. Ten grams of each substrate of the dried yam chips were placed in plastic containers of 300 ml and each container was infested with three pairs of one to three days... Read more

Vol. 6 Num. 10

A statistical study on higher educational institutions in India

International Journal of Educational Administration and Policy Studies

Int. J. Educ. Admin. Pol. Stud.

This study aims to observe the increased effectiveness of Higher Educational Institutions in India and its competitiveness. It proposes to develop the interest in enhancing the quality in Educational Institutions. It is monitored and evaluated through rapid growth of information technology, which makes sophisticated data collection possible. This study aims to create an awareness or self competitiveness among educational institutions to implement... Read more

Vol. 6 Num. 9

Development of genodynamic metrics for exploring the biophysics of DNA polymorphisms

Journal of Computational Biology and Bioinformatics Research

J. Comput. Biol. Bioinform. Res

Single nucleotide polymorphisms (SNPs) represent an important type of dynamic sites within the human genome. These common variants often locally correlate within more complex multi-SNP haploblocks that are maintained throughout generations in a stable population. Information encoded in the structure of SNPs and SNP haploblock variation can be characterized through a normalized information content metric. Genodynamics is being developed as the... Read more

Vol. 6 Num. 1

Attenuation of allergic airways inflammation by an extract of Hymenocardia acida

Journal of Physiology and Pathophysiology

J. Physiol. Pathophysiol.

Tracheal hyperresponsiveness, airway mucus production and bronchoalveolar inflammation are the major components of asthma. Here, we aim to investigate the role in the control of asthma of a bioactive plant extracted from Hymenocardia acida in a physiological and pathophysiological model. The effect of H. acida crude extract (HACE) on total cellular components of bronchoalveolar (BAL) fluids was performed on ovalbumin (OVA) and lipopolysaccaride... Read more

Vol. 5 Num. 3

Biosecurity practices in Central Ethiopian cattle feedlots: Its implication for live cattle export

International Journal of Livestock Production

Int. J. Livest. Prod.

Biosecurity is the implementation of measures that reduce the risk of the introduction and spread of disease agents. Biosecurity is a cornerstone of herd health maintenance in export-oriented feedlots. The aim of this study was to document current biosecurity practice in export-oriented cattle feedlots in Central Ethiopia and to discuss its implication for live cattle export. In this study 31 export-oriented cattle feedlots found in central Ethiopia... Read more

Vol. 5 Num. 11

Impact of computer technology on health: Computer Vision Syndrome (CVS)

Medical Practice and Reviews

Med. Pract. Rev.

In today’s society, the use of computer as a tool at workplaces, academic institutions, recreation facilities and homes has become very common. It is estimated that globally, about 45 to 70 million people spend hours staring into a video display terminal, popularly known as computer screen. Several studies, mainly in developed countries, have shown an association between computer use and visual health related symptoms (Computer Vision... Read more

Vol. 5 Num. 3

Runge kutta to precise the detection of lesion for magnetic resonance imaging (MRI) image

Journal of Electrical and Electronics Engineering Research

J. Electrical Electron. Eng. Res.

In this paper, we translate non linear model to linear one and used numerical analysis: “Runge kutta4 (RK4)” is mathematical solutions to study the approximation’s solutions of ordinary differential equations, then pass to the statistical study for multiple regression to applied anova technique and with it, we extract the place of the lesion on medical image MRI by two ways: Distribution of gaussien curve (hypothesis test of ho)... Read more

Vol. 6 Num. 3

The relationships between motivation type and sport participation among students in a South African context

Journal of Physical Education and Sport Management

J. Phys. Educ. Sport Manag.

Reasons for participation in sport differ and intrinsic motivation, extrinsic motivation and even amotivation can influence the decision. In the South African context, little research has been done on the differences of motivation among male and female students to participate in sport. This study sought to understand the relationship between certain motivation drivers and sport participation. It also explored the gender variable and whether there... Read more

Vol. 5 Num. 6

The effect of concept mapping- guided discovery integrated teaching approach on Chemistry students’ achievement and retention

Educational Research and Reviews

Educ. Res. Rev.

This study investigates the effects of Concept Mapping-Guided Discovery Integrated Teaching Approach on the achievement and retention of chemistry students. The sample comprised 162 Senior Secondary two (SS 2) students drawn from two Science Schools in Nasarawa State, Central Nigeria with equivalent mean scores of 9.68 and 9.49 in their pre-test. Five instruments  were developed, validated  and used by the investigator for the study; they... Read more

Vol. 9 Num. 22

Vaginal colonization and resistance profile of group B Streptococcus among pregnant women in Yaoundé Gynecology, Obstetric and Pediatric Hospital in Cameroon

Journal of Clinical Medicine and Research

J. Clin. Med. Res.

In order to obtain reliable data on vaginal carriage of Streptococcus agalactiae in pregnant women and to formulate a prevention program of neonatal Group B Streptococcus (GBS) disease, we carried out a prospective cross sectional study for 6 months. The general objective of the study was to evaluate the prevalence of vaginal carriage and the resistance profile of GBS. The study involved 142 pregnant women presenting for antenatal care in... Read more

Vol. 6 Num. 6

Cost effectiveness analyses of influenza A (H1N1) vaccination programs: How accurate were they?

Journal of Infectious Diseases and Immunity

J. Infect. Dis. Immun.

Three economic evaluations of pandemic influenza A (H1N1) vaccination campaigns in North America concluded that the mass vaccination campaigns would be, or were, highly cost-effective, if not cost-saving. This paper re-assesses each study's analysis and presents three arguments: 1) prediction of vaccine program cost-effectiveness is unrealistic, if not impossible, unless quality surveillance data is available; 2) even when surveillance data is... Read more

Vol. 6 Num. 4

Comparision between the effects of dietary suplements of sun dried or sulfur fumigated apricots on the telomerase activity and oxidatıve stress parameters in azoxymethane administered rats

International Journal of Nutrition and Metabolism

Int. J. Nutr. Metab.

This study was conducted to evaluate the protective effects of organic and sulfur treated apricot on the azoxymethane-induced carcinogenesis by antioxidant markers and telomerase activity. Spraque Dawley rats (n = 35) were fed with  two kinds of  dried apricots (sun-dried or sulfur fumigated), with or without azoxhymethane (AOM). Rats were sacrificed after seven weeks for measurement of reduced  glutathione,  malondialdehyde,... Read more

Vol. 6 Num. 5

Identification of post-harvest rotting microorganisms from tomato fruits (Solanum esculentum Mill.) in Toke Kutaye District of West Shoa Zone, Ethiopia

Journal of Stored Products and Postharvest Research

J. Stored Prod. Postharvest Res.

Tomato (Solanum esculentum Mill.) fruits were collected  from farmers and retailers in Toke Kutaye District, Ethiopia during main-season (October to December, 2012) and off-season (December, 2012 to March, 2013) with an objective to identify microbial organisms that cause post-harvest rot of tomato. Diseased tissues were cultured in Potato Dextros Agar media for fungal and in Nutrient media  for bacterial identification. Identification of... Read more

Vol. 5 Num. 3

Efficacy of imazapic, halosulfuron and sulfentrazone for Cyperus rotundus L. control in response to weed tuber density

African Journal of Agricultural Research

Afr. J. Agric. Res.

This study determined the efficacy of sulfentrazone, halosulfuron and imazapic applied in preemergence conditions for the control of purple nutsedge (Cyperus rotundus L.) in response to weed tuber density. The tubers were planted in 5 L pots at densities of 6, 18, 24, 30 and 36 tubers/pot (133.3, 399.9, 533.2, 665.5 and 799.8 tubers/m2, respectively), and sulfentrazone (800.0 g a.i.ha-1), halosulfuron (112.5 g a.i. ha-1) or imazapic (147.0 g... Read more

Vol. 9 Num. 47

Conservation and historical biogeography: How did the mountain chicken frog get to the Caribbean?

International Journal of Biodiversity and Conservation

Int. J. Biodivers. Conserv.

Leptodactylus fallax, commonly known as the mountain chicken frog, is a large terrestrial frog currently found on two islands in the Caribbean. Habitat destruction, overhunting and disease outbreaks have contributed to declining population numbers. In order to identify appropriate conservation strategies, the historic geographic distribution of this frog must first be determined. Because no archeological evidence exists, this was accomplished by... Read more

Vol. 6 Num. 11

The role of bone marrow derived mesenchymal stem cells in induced stroke

African Journal of Biotechnology

Afr. J. Biotechnol.

Stroke is the third most common cause of death, and a leading cause of physical disability in adults. Recovery after a major stroke is usually limited, but cell therapy, especially by application of mesenchymal stem cells (MSCs) is emerging with fixed neurologic deficits. The aim of the current study was directed to isolation and cultivation of the bone marrow (BM) derived MSCs from young rats, as well as to study the role of intravenous... Read more

Vol. 13 Num. 47

Morphometric relations, diet composition and ontogenetic dietary shift of Labeobarbus intermedius (Rüppell, 1836) in Lake Tana gulf of Gorgora, Ethiopia

International Journal of Fisheries and Aquaculture

Int. J. Fish. Aquac.

Morphometric relations, feeding habits and dietary shifts of Labeobarbus intermedius in Lake Tana at gulf of Gorgora were studied during the dry season. A total of 250 fish ranging from 13.2 to 43.8 cm total length (TL) and 73.4 to 742.8 g total weight (TW) were randomly sampled from the lake. The data generated from both morphometric parameters were analyzed using SPSS (Version 20) and expressed using least square regression, and stomach content... Read more

Vol. 6 Num. 11

Modifying the chaotic behavior in the quadrupole wiggler free-electron laser using ion-channel guiding

International Journal of Physical Sciences

Int. J. Phys. Sci.

The principles of free-electron laser (FEL) are explained. The motion of an individual electron in a FEL in a field configuration consisting of a quadrupole wiggler magnetic field is investigated. The general formulation of the dynamical problem is given. The Hamiltonian and Hamilton's equations of motion are derived. The problem of integrability and the Hamiltonian chaos is discussed. Upon plotting the Poincare' surface-of-section maps, the... Read more

Vol. 9 Num. 21

Retrofitting industrial in electrical motor type: A matter of energy efficiency and reduction of maintenance

Scientific Research and Essays

Sci. Res. Essays

This report aims to identify, in terms of economic and technical aspects, an electric motor whose characteristics meet a proposed replacement of a direct current (DC) motor in an aluminum extrusion plant, whose preventive maintenance has in the last years, the problem of technical and operational orders. Data relating to the preventive maintenance of motors in operation were used to estimate the performance of an induction motor in combination with... Read more

Vol. 9 Num. 21

Water quality assessment of Manchar Lake during the month of August and November 2011 by analyzing selected trace elements

African Journal of Pure and Applied Chemistry

Afr. J. Pure Appl. Chem.

Manchar Lake is the largest fresh water lake in Pakistan, situated in Jamshoro District. It was created in the 1930 when the Sukkur Barrage was constructed on the river Indus. It is a vast natural depression flanked by Khirthar range in the west, Lakhi hills in south and river Indus in the east. On the north eastern side is the protective embankment. The lake is fed by two canals, the Aral Wah and the Danister from the river Indus. The lake also... Read more

Vol. 8 Num. 11

Integrative transport and modal interchanges: A social sustainable approach towards urban migration

Journal of Civil Engineering and Construction Technology

J. Civ. Eng. Constr. Technol.

Transport is argued to be one of the most important human activities worldwide and an indispensable component of the economy. Transport provides an integral function in the forming of spatial relations between locations. Integrative transport systems are relatively unknown concept and therefore, only implemented to a certain extent. Integrating transport with the surrounding land use is however essential in order to create a sustainable and livable... Read more

Vol. 5 Num. 6

On the influence of interseasonal sea surface temperature on surface water pCO2 at 49.0°N/16.5°W and 56.5°N/52.6°W in the North Atlantic Ocean

Journal of Oceanography and Marine Science

J. Oceanogr. Mar. Sci.

The sea surface temperature (SST) and partial pressure of carbon dioxide (pCO2) derived from hourly in situ measurements at Northwest (56.5°N, 52.6°W) and Northeast (49.0°N, 16.5°W) subpolar sites of the Atlantic Ocean from 2003 – 2005 were employed to investigate the seasonal pCO2–SST relationship. The results indicate weak to moderately strong significant negative relationships (r = -0.04 to -0.89, p<0.0001) and (r =... Read more

Vol. 5 Num. 7

Analysis of genetic diversity and population structure among exotic sugarcane (Saccharum spp.) cultivars in Ethiopia using simple sequence repeats (SSR) molecular markers

African Journal of Biotechnology

Afr. J. Biotechnol.

The present study was performed to study genetic relationships and population differentiation of 90 introduced sugarcane accessions in Ethiopia by means of 22 SSR molecular markers. The 22 SSR markers amplified a total of 260 alleles, of which 230 were poly­morphic with a mean of 10.45 alleles per SSR locus. The range in allele number was 4–22. A high level of polymorphism with a mean of 60.51% polymorphic loci within the genotypes was... Read more

Vol. 13 Num. 46

The development of will perception scale and practice in a psycho-education program with its validity and reliability

Educational Research and Reviews

Educ. Res. Rev.

In this research, we aim to develop a 5-point likert scale and use it in an experimental application by performing its validity and reliability in order to measure the will perception of teenagers and adults. With this aim, firstly the items have been taken either in the same or changed way from various scales and an item pool including 61 items highly comprimising significant and probable testing areas have been formed. This item pool has been... Read more

Vol. 9 Num. 21

Status of soil properties of scattered Faidherbia albida (Del) in agricultural landscapes in Central Highland of Ethiopia

African Journal of Agricultural Research

Afr. J. Agric. Res.

Scattered trees in general and scattered Faidherbia albida in particular are preserved in agricultural landscapes in Ethiopia. A study on this tree species was conducted at Meskan District of Gurage Zone, Ethiopia with the objectives of assessing the status of soil properties under it and its population distribution in agricultural landscapes. Twenty four  soil samples from the surface layer (0-10 cm) were taken from under six  isolated... Read more

Vol. 9 Num. 46

Saponins as immunoadjuvant agent: A review

African Journal of Pharmacy and Pharmacology

Afr. J. Pharm. Pharmacol.

Saponins are triterpene or steroid glycosides widely distributed in the plant and animal kingdom and include a large of number of biologically active coumpounds. Most of them have surface-active and cholesterol-binding properties. They have been shown to exhibit many biological and pharmacological activities as antiphlogistic, antiallergic, cytotoxic, antitumor and antitumor-promoting, antiviral, antihepatotoxic, molluscicidal, antibacterial,... Read more

Vol. 8 Num. 41

Map of potential areas of groundwater by the multi-criteria analysis for the needs for water of the Baya’s catchment basin (East of Côte d'Ivoire)

African Journal of Agricultural Research

Afr. J. Agric. Res.

The watershed located Baya is facing difficulties of drinking water supply. The objective of this study is to develop a model for preferential zone mapping to the implementation of water points. To achieve this objective, a combined approach of Geographic Information System and Multicriteria Analysis has been adopted for the mapping of these preferential. Multi-criteria analysis methods including Boolean method and the linear combination of weights... Read more

Vol. 9 Num. 45

Multivalent harmonic uniformly convex functions

African Journal of Mathematics and Computer Science Research

Afr. J. Math. Comput. Sci. Res.

In this paper, several properties of the multivalent harmonic uniformly convex classes    and  were investigated. Coefficient bounds, distortion theorem, extreme points, convolution condition, convex combinations and integral operator for these classes were obtained.   Key words: Harmonic, multivalent functions, convex, convolution. Read more

Vol. 7 Num. 7

Comparative acute toxicity and oxidative stress responses in tadpoles of Amietophrynus regularis exposed to refined petroleum products, unused and spent engine oils

African Journal of Biotechnology

Afr. J. Biotechnol.

The relative acute toxicity of refined petroleum (diesel, kerosene and petrol), unused and spent engine oils as well as their abilities to alter the activities of superoxide dismutase (SOD) and cause lipid peroxidation in tadpoles of the common African toad, Amietophrynus regularis were evaluated.  After 48 h of exposures, kerosene was found to be the most toxic (LC50= 4930 mg/L) while the least toxic was unused engine oil (LC50 = 7777 mg/L).... Read more

Vol. 13 Num. 45

Scanning electron microscopy of parasitic association of soil fungus Trichoderma sp. with root-knot nematode Meloidogyne incognita

African Journal of Microbiology Research

Afr. J. Microbiol. Res.

Scanning electron microscopy of egg masses, second stage juveniles (J2) and adult females of Meloidogyne incognita from its laboratory culture on tomato plants (Solanum lycopersicum) revealed prolific fungal growth of Trichoderma sp. on egg masses of the nematode collected from roots of plants grown using non-sterile manure-rich soil. Fungal hyphae and conidia were found adhered to the surfaces of eggs and egg masses and the hyphae also formed... Read more

Vol. 8 Num. 45

Applications of intelligent multi-agent systems for smart distribution systems

Journal of Engineering and Technology Research

J. Eng. Technol. Res.

Multi-agent systems (MAS) can be applied to service restoration planning of distribution systems. The main purpose of service restoration planning is to restore as many customers as possible. In this paper, a MAS-based service restoration planner with a Genetic Algorithm (GA) is developed to solve group and zone service restoration problems in power distribution systems. Intelligent software agents embedded inside switches and feeders of a... Read more

Vol. 6 Num. 7

A practical approach to the evaluation of subcritical multiphase flow through down-hole safety valves (storm chokes)

Journal of Petroleum and Gas Engineering

J. Petroleum Gas Eng.

A practical approach to the evaluation of subcritical multiphase flow through down-hole safety valves (storm chokes) is presented. This method which is independent of the continuous phase is based on the composition of the flowing mixture and the operating temperature and pressure. In the event of single phase flow, the method can also be applied. With this method, we can easily size subsurface safety valves (SSSV) and chokes as well as... Read more

Vol. 5 Num. 5

Effects of aqueous extract of Waltheria indica leaves on blood profile of male albino rats

Journal of Medicinal Plants Research

J. Med. Plants Res.

This study was to investigate the effect of oral administration of aqueous extract of Waltheria indica leaf on the blood profile of male albino rats. The extract showed significantly (p < 0.01) different increase of red blood and white blood cell counts values at 400 and 800 mg/kg doses. However, the extract showed insignificant difference in packed cell volume, mean corpuscular volume, mean corpuscular haemoglobin and haemoglobin concentrations... Read more

Vol. 8 Num. 41

Management of major diseases and insect pests of onion and garlic: A comprehensive review

Journal of Plant Breeding and Crop Science

J. Plant Breed. Crop Sci.

Onion (Allium cepa L.) and garlic (Allium sativum L.) are the most important commercial crops grown all over the world and consumed in various forms. In India, onion and garlic have been under cultivation for the last 5000 years. It is generally used as vegetables, spices or as medicines. India ranks second to China in area and production in both onion and garlic, but ranks 102nd for onion and 74th for garlic in terms of productivity. These crops... Read more

Vol. 6 Num. 11

Women’s role and their decision making in livestock and household management

Journal of Agricultural Extension and Rural Development

J. Agric. Ext. Rural Dev

Rural women play a key role in the livestock management and household activities. However, it is often argued that their contributions are undermined and their decision making power is highly limited. This study was carried out in Yilmana Densa district in Amhara Region, Ethiopia with the objectives to investigate the role of rural women in livestock and household activities, and to examine the level of rural women participation in decision making.... Read more

Vol. 6 Num. 11

Formula for mid-age of incidence from age-specific prevalence of chronic disease and its application

Journal of Public Health and Epidemiology

J. Public Health Epidemiol.

  This study was aimed to devise a theoretical formula for the mid-age of incidence (MAI) from the prevalence of age groups and to confirm its application. The formula was devised using the concept of lost years of health and then simulated. In the inhabitants’ survey, MAI was calculated from the prevalence of liver disease in the areas, and the main cause of disease was analyzed between those areas where MAI was lower than 2.5% of... Read more

Vol. 6 Num. 10

Does the organizational structure affect the management of universities in Uganda? An empirical analysis

International Journal of Educational Administration and Policy Studies

Int. J. Educ. Admin. Pol. Stud.

The organisational structure of universities follows particular models that distinguish them from other learning institutions. This research investigated the effect of the organisational structure on the management of universities in Uganda using a sample of 361, 44 % of whom were members of academic staff, and the rest contained university top management officials, administrative and support staff of universities. The subjects were selected using... Read more

Vol. 6 Num. 8

"Twenty-first Century English Poetry towards Mantric Planes of Consciousness"

International Journal of English and Literature

Int. J. English Lit.

Sri Aurobindo, a man of the supramental plane of consciousness has found ‘Mantra’ to be the future of Poetry, the poetry which expresses the deepest spiritual reality. He discovers that poetry written from some higher plane of, what he calls, the Intuitive Mind Consciousness and Over mind Consciousness, the two uppermost planes of spiritual consciousness on the plane of Mind is the Mantra. Since man is yet to evolve to these higher... Read more

Vol. 5 Num. 8

The changing global Public Administration and its theoretical and practical implications for Africa

Journal of Public Administration and Policy Research

J. Public Adm. Policy Res.

‘Classical’ public administration theories, principles and paradigms continually fascinate scholars given their relevance to government practices especially in Africa. As used here, ‘public administration’ (in lower case) denotes government activities whereas ‘Public Administration’, often associated with Woodrow Wilson’s renowned 1887 essay, refers to the subject matter. However, New Public Management (NPM)... Read more

Vol. 6 Num. 4

A social-semiotic engagement with representations of President Robert Mugabe and Prime Minister Morgan Tsvangirai in The from June 2008 to July 2013

African Journal of Political Science and International Relations

Afr. J. Pol. Sci. Int. Relat.

THE FIVE-YEAR government of national unity tenure in Zimbabwe that brought together three leading political parties namely the Zimbabwe African National Union-Patriotic Front (ZANU-PF), and the two Movement for Democratic Change (MDC) parties came to an end when the country held successful parliamentary and presidential elections in July 2013. As was the case in 2008, the ruling ZANU-PF party won the 2013 election. Using the social-semiotics... Read more

Vol. 8 Num. 7

A shift from peasant to intellectual-led political opposition in Tigray during the imperial regime (up to 1974)

African Journal of History and Culture

Afr. J. Hist. Cult.

This paper examines how the educated people of Tigray took over the illiterate ones to fight against the imperial government. Local songs, poems and sayings used against Emperor Haileslasie are discussed. Following the liberation of Ethiopia from the Italian occupation in 1941, Emperor Haileslasie introduced a number of reforms, many of which were rejected by the people of Ethiopia. The imperial government used different measures including force to... Read more

Vol. 6 Num. 8

Access and attrition of female students in secondary schools in Federal Capital Territory, Nigeria

Journal of African Studies and Development

J. Afr. Stud. Dev

The study investigated access of female students to secondary education and the completion rate of those that were enrolled in the Federal Capital Territory (FCT). It also determined the factors responsible for the attrition of female students with a view to promoting the education of the girl child in the FCT. Twenty two public secondary schools were randomly selected from three area councils of the FCT. Documentary information on enrolment and... Read more

Vol. 6 Num. 8

Origin and development of ‘Directing’ in juju music performance

Journal of Music and Dance

J. Music Dance

Juju music as a unique Nigerian popular genre has so many African phenomena inculcated into its performance though it has some western touches in its scale and some other features. Hence this paper examined one of the African phenomena – directing, in the performance of juju music. This write up was based on the conducted research and in order to present a genuine report, live performances and the recordings of juju exponents such as King... Read more

Vol. 4 Num. 3

Study habits, use of school libraries and students’ academic performance in selected secondary schools in Ondo West Local Government Area of Ondo State

International Journal of Library and Information Science

Int. J. Lib. Inf. Sci.

The study was on study habits, use of libraries and students’ academic performance in selected secondary schools in Ondo West Local Government Area of Ondo State. Survey technique was adopted for the study, and the instrument for data collection was questionnaire. Complete enumeration was the procedure used for the study. 296 copies of questionnaire were administered and retrieved but 14 copies were invalid. Thus, 284 (95%) copies were valid... Read more

Vol. 6 Num. 4

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