In this dissertation a facility for the study of Shock Wave Induced Cold Gas Spraying (SWICGS) is investigated. The objective of the study was to design, construct and test a shock tube rig that will be used to accelerate ...

Cassava is a major food crop in sub-Saharan Africa where it is mostly cultivated by small scale farmers. Cassava mosaic disease (CMD) is a major cause of pathogen-associated yield loss in Africa and it is caused by cassava ...

A multifactor ecological integrity index, focusing on freshwater ecosystems on a quaternary catchment scale, can be of great benefit to conservation planning. No ecological integrity index has previously been developed ...

The Human Immunodeficiency Virus type 1 (HIV-1) integrase is an essential enzyme required for viral replication. Integrase forms part of an ensemble of proteins known as the preintegration complex and functions by a ...

The unpredictable economic ups and downs, competition and advancement in technology has seen organisations that hold a great deal of real estate (RE) taking greater interest in the way their Corporate Real Estate (CRE) is ...

The research objectives for this study involved the development of a modified thermophilic fluidized bacterial granular bed bioreactor system for the production of biohydrogen from sucrose. The granules were comprised of ...

The electrodes of a fuel cell are the sites where the electrical energy conversion takes place and they are considered as the heart of the proton exchange membrane (PEM) fuel cell. This work is aimed at preparation of ...

Although the literature reveals that primary school teachers in general are reluctant to teach science, little research has been conducted into the histories and identities of such primary school teachers, particularly in ...

Grinding mills are used extensively in the mining, cement and minerals processing industries. Numerous failures of drivetrain components of grinding mills have occurred in recent years. The components are not meeting ...

A shuttle vector was constructed which was stably maintained in Escherichia coli, Bacillus subtilis and Staphylococcus aureus. It was made by ligating E. coli positive selection plasmid pEcoR251 and S. aureus resistance ...