A numerical model for determining the size of a forced - convection solar fish dryer comprising of a drying bin (in which the fish is kept), aflat plate solar collector and a fan, has been developed. The model comprises of two sections with the first section calculating the technical parameters...
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This study looked at the perceptions of environmental hazards and disasters in Zambia’s college geography education. The problem investigated by this study was that lecturers and students took what they taught and learnt respectively on the topic of ‘environmental hazards and disasters’ for...
Download PDF ↓This study investigated the prevalence and nature of mathematical difficulties among grade five pupils in selected schools of Lusaka Province. The objectives of this study were: • To establish the proportion of fifth graders that experience difficulties in mathematics in selected schools in...
Download PDF ↓Kaluwe phosphate ore constitutes calcite(74.4 wt %)as the major mineral with minor amounts of apatite(5.9 wt %),opaques(13.5 wt%),which are predominantly iron minerals,quart/feldspar(5.7) and traces of biotite(o.5 wt %).The chemical composition of the ore averaged 2.2% p2o5,47.7% Cao,1.6%mgo,1.2%...
Download PDF ↓Water supply management and wastewater disposal is a widespread problem, which can have significant impacts on an individual's daily life, health and the general environment. This study explored the situation of water management and wastewater disposal at the University of Zambia Great East Road...
Download PDF ↓Pumps, of varying designs, have historically been vital in fluid flow. In Zambia, typical applications could be found in domestic water supplies and industrial applications. Complete pumping units have been designed and manufactured elsewhere. The manufacture of pumps in Zambia has generally...
Download PDF ↓This study, on the relationship between self efficacy and mathematics performance among grade eleven pupils was conducted in three high schools in Lusaka urban, Lusaka province, Zambia. The study concentrated on investigating the relationship between self efficacy and mathematics performance. The...
Download PDF ↓The research discovers that maladministration of records(inefficiency and dishonest management of records) is rife at the University of Zambia (UNZA). For instance, 69.8% of the respondents admitted that there are incidents where records under their custody go missing. They also acknowledged that...
Download PDF ↓The following aspects of reproduction of Laics siappcrsii caught in the /amhian sector of Lake Tanganyika were studied: stages of maturity and spawning season: sixes at maturity: sex ratios and fecundity. Fish samples were collected from Septemher. 1999 to February. 2000 This study shows that,...
Download PDF ↓This dissertation is focused on the spectroscopic characterization of cyclopentadienyl iron dicarbonyl ketone complexes 42. The ketone silver tetraflouroborate complexes 32 are initially prepared. The formation of 32 is supported by the enhanced solubility of the silver tetraflouroborate salt in...
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