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A semi- cylindrical natural convection Solar Tunnel Dryer (STD) was used for experiments to dry partially field- dried maize cobs with a moisture content of about 30 % wet basis to a safe storage moisture content of 12.5 % wet basis. Air temperatures ranging from 15.8 oC to 20.8 oC above ambient...

Pumpkins and Chinese cabbage are widely grown in peri urban areas with different soil types in Zambia using waste water which is potentially contaminated with heavy metals like copper and cobalt. The objectives of this study were to establish the effect of loading rates of heavy metals on sandy...

The purpose of this study was to investigate the use of differentiated instruction to meet the diverse needs of pupils by teachers of mathematics in four selected secondary schools in Choma District. The sample comprised 178 respondents from four selected secondary schools of which 18 were...

Institutions of higher learning retain sensitive data making them highly attractive targets for cybercrime . However, most developing countries and public higher institutions of learning have low levels of Information and C communication Technology (ICT) and hence face challenges in securing...

The aim of this research is to facilitate informed decision making for an optimal cost-based allocation of future electricity generation resources in Zambia. Such a study is cardinal in order to find out which energy technologies are economically viable from a long-term perspective for our...

Risk Management has become key in ensuring stable networks. The greatest risk that service Providers (SPs) face is client, revenue and reputation damage. To avoid or mitigate these risks a good client management plan is required. With the ever increasing competition in the Telecommunication...

As the population of Zambia is growing bigger, so does the demand for energy. Currently, Zambia is dependent on ZESCO as the main producer of electricity for the Zambian people. Despite the government liberalising the energy sector in 1997, very few private players have come on board. ZESCO has...

The practice of copper wire drawing has faced problems regarding process, quality and manufacturing cost and satisfying world market demand of drawn wires. Of great importance to the practitioner are problems due to the interaction of process parameters during wire drawing. The present research...

Water abstraction is achieved by many means, and for many purposes. Abstraction depends on many variables that include the purpose for the abstraction, the location, the type of laws in place regarding the procedure, and the type of resources available for the abstraction process. The overall...

Zambia has been experiencing population increase over the years. The growth has been characterised by an increase in agricultural irrigation activities, competitiveness in water use which have caused water stress and conflicts in some catchments. Some water availability assessment works in...