PRODUCTION OF COPPER-CLAD PRINTED CIRCUIT BARE BOARD SUBSTRATE FROM AGRICULTURAL AND PLASTIC WASTE MATERIALS

The use of printed circuit board is unavoidable within the electrical and electronic industries. Various types and models exist, all made from synthetic substrates. The environmental impact of discards of printed circuit boards as well as the need to go green globally poses challenges to the printed circuit board manufacturing industry. In the attendant search for wider utility value […]

EFFECT OF THE NATIONAL PROGRAMME ON FOOD SECURITY ON FOOD PRODUCTION: A CASE STUDY OF ANAMBRA STATE

This study was conducted basically to determine the effect of the National Programme on Food Security (NPFS) on output/food product. Its specific objectives include identifying how the NPFS has helped in increasing output and the problems associated with the NPFS. The main instrument for the collection of primary data is the questionnaire. Data were collected from 72 farmers selected […]

FLAMMABILITY STUDIES OF SOME FIRE TOLERANT TREES OF SOUTH-EAST, NIGERIA

Bush fire is a common hazard in South Eastern Nigeria as in other parts of the country during the harmattan. Every year, thousands of hectares of forests as well as suburban lands are severely burnt. These forest fires have been catastrophic, destroying large areas of tropical rain forests. However, some trees in these forests have proven to be fire resistant. […]

AN APPRAISAL OF THE COST MANAGEMENT PRACTICES IN THE DELIVERY OF CAPITAL PROJECTS IN NIGERIA

This study appraises the Cost Management Practices in the Delivery of Capital Projects in Nigeria with set objectives of (i) Identifying and assessing the courses of ineffective cost management practices in delivery of capital projects., (ii) Identifying and assessing the effect of ineffective cost management practices in the delivery of capital projects in Nigeria and (iii) proffering of solution to […]

EFFECTIVE SAFETY AND HEALTH PLANNING ON CONSTRUCTION SITES IN ONITSHA AND AWKA OF ANAMBRA STATE

The major purpose of this study was how to use good planning of construction activities to achieve safety, good health, control and prevention of accidents on building construction sites. The population of the study consisted mostly of big construction firms in Anambra State, especially Awka and Onitsha that have had more than 5 years of active construction activities. The sample […]

EFFECTS OF COGNITIVE RESTRUCTURING, ON MATHEMATICS ACHIEVEMENT OF SECONDARY SCHOOL ADOLESCENTS

This study was geared towards investigating the effects of cognitive restructuring, in enhancing mathematics achievement of adolescents in secondary schools in Oshimili South Local Government Area. Two research questions and two null hypotheses, guided the study. Quasi experimental research design was adopted. The population used was four thousand and twenty two students of the SSII class from Oshimili South Local Government Area. […]

ANALYSES OF SOME SELECTED HEAVY METALS AND CONTAMINANTS IN UNDERGROUND WATER AND THREE SATELLITE RIVER STATIONS IN OWERRI LOCAL GOVERNMENT AREA OF IMO STATE

Water samples from ground water and some rivers from Owerri Local Government Area of Imo state Nigeria, were investigated for contaminants and heavy metals. The results obtained showed that in the month of April 2009, the ground water had mean maximum concentration 1.303 mg/dm3 of Pb, 1.048mgldm3 of Pb,1.488mgldm3 of Pb,for Otamiri and Oramiriukwa rivers respectively.For the month of […]

TOXICITY AND TERATOGENIC ACTIVITIES OF CHOLECALCIFEROL OVERDOSAGE IN WHITE ALBINO MICE

The potential of cholecalciferol overdosage to induce toxicity and teratogenicity in white albino mice was evaluated in the present study. Cholecalciferol was given at dose levels of 600, 1200 and 1800i. units/kg at two phases. Thefirst phase lasted for 3 weeks of mice’s gestation period. Control animals received equivalent volume of normal saline. Animals were […]