The thesis describes experimental investigations on the reductive decomposition of three sulphide minerals, namely (a) stibnite (Sb2S3), a gold and silver bearing antimony sulphide; (b) galena (PbS), a mainly silver bearing ...

A lot of emphasis has been placed on the safety of drinking water from biological contamination with little consideration on the chemical quality although there are well known health risks associated with the consumption ...

In recent years, the frequency of droughts has been increasing in Southern Africa. In areas such as the middle Zambezi Valley’s Manyame catchment, Zimbabwe, floods are also a frequent occurrence. Increase in the frequency ...

The middle Zambezi has experienced hydrological extremes in alternating intervals. The impacts are mostly felt by the people who live close to the river and mostly around Lake Cahora Bassa. A study on the analysis of the ...

This paper introduces finite element analysis of Run off Mine (ROM) silo subjected to dynamic loading. The proposed procedure is based on the use of theoretical equations to come up with pressure and forces1 exerted by ...

The provision of adequate and reliable water suppl y in developing countries is becoming a challenge for most water utilities especially public service providers. Water demand has been increasing drastically in these ...

Following a critical review of the conceptual and laboratory studies on expansive soil behaviour, it is shown that the current understanding of unsaturated expansive soil behaviour is not consistent. In the main, the ...

Floods are natural hazards that have always created an unexpected threat to human life and property. When severe floods occur in areas occupied by humans, they can create natural disasters that involve the loss of human ...

The advent of the tyre/automotive industry brought to a halt the savage days of long journeying by foot and suddenly introduced quick inter-city visits whilst the traveler is seated. In a bid to improve and perfect this ...

North Central Namibia which is home to almost half of Namibia‟s estimated 2 million people, like the whole of Namibia is heavily dependent on water sources from neighbouring countries for secure water supplies. A good ...