Roughing filtration is an important pre-treatment process for wastewater, because it efficiently separates fine solid particles over prolonged periods, without the addition of chemicals. For this study, a pilot plant was designed at Delmas Coal Mine in the Mpumalanga province of South Africa....

This study presents the application of strategies of multiobjective differential evolution algorithm (MDEA) to the maximization of irrigation benefit in the lower orange catchment of South Africa. The two strategies presented are MDEA1 and MDEA3 with binomial and exponential crossover methods...

South Africa water resources are scarce in global terms with mean annual rainfall 50 per cent less than world average of 860 mm/a. On the other hand, increasing economy development and resulting contamination of water resources further reduced water availability. The conventional water resources...

Irrigation Canal Simulation Model (ICSM) is a management and diagnostic tool in water management of open canal irrigation schemes. It is being adopted for efficient water management in large irrigation schemes in developed countries. The basic components of ICSMs and their development were...

This study attempt to investigate the determinants of the grades in mathematics courses taken by the students who graduated from College of Commerce and Economics (CCE), Sultan Qaboos University, Oman. Five years data on grades in mathematics courses, gender and percentage marks in high school...