Author:Moraal, H; Britton, D; Derry, T; Forbes, A; Grayson, D; Mullins, S; Scholtz, F; Sefako, RDate:2009The chapter is about physics and astronomy. The chapter gives a background about the origins of physics in South Africa. After the CSIR was founded in 1945, physics emerged as a nationwide and unified discipline. The authors show how physics ...Read more
Author:Khati, M; Millroy, LDate:Mar 2012Point mutations within the human immunodeficiency virus-type 1 (HIV-1) genome confer resistance to antiretroviral drugs. The mutations also help the virus to evade the immune system response and influence transmission and progression of the ...Read more
Author:Nhemachena, C; Chakwizira, J; Mashiri, M; Dube, SDate:2011This study crafts a policy framework for sustainable utilisation of farmland for the Waterberg District Municipality in South Africa. The district, being predominantly agricultural and rural, faces contention in terms of land allocation for ...Read more
Author:Meissner, Richard; Funke, Nicola SDate:Sep 2014South Africa is a water-scarce country, a fact aggravated by climate change and international obligations to neighbouring countries with shared watercourses (Claassen 2010). Some of the political, social and economic pressures facing South ...Read more
Author:Ojijo, Vincent O; Ray, Suprakas SDate:2012In the recent years, biodegradable aliphatic polyesters-based composite materials have attracted substantial interest, primarily due to their sustainable production, use and end-life. This chapter discusses the preparation, characterisation, ...Read more
Author:Labuschagne, Philip W; Moolman, S; Maity, ArjunDate:Feb 2012Plastics are used increasingly in packaging applications due to a number of favorable properties, such as versatility, low weight, and low cost. However, their biggest drawback when compared to traditional packaging materials, such as glass ...Read more
Author:Mandree, PM; Thopil, GA; Ramchuran, Santosh ODate:Oct 2023Globally, greater than 30% of waste is disposed of in some form of landfill, and it is estimated that annual waste-related emissions will increase by up to 76% by 2050. Emissions arising from fossil fuel-derived products and waste disposal ...Read more
Author:Bouma, J; Joy, KJ; Steyn, MaronelDate:2013The high incidence of poverty in biodiversity hotspots around the world has given rise to a debate about the potential of integrated development-conservation approaches to help alleviate poverty and protect biodiversity at the same time. ...Read more
Author:Adedeji, KB; Hamam, Y; Abe, BT; Abu-Mahfouz, Adnan MIDate:Feb 2018In water distribution networks (WDNs), water loss through leaking pipes is inevitable, as it constitutes a major threat to the operational services of water utilities. While water utilities are keen to providing an adequate supply of water ...Read more
Author:Van Reenen, Coralie ADate:Sep 2014The concept of green buildings is in response to the built environment's high negative environmental impact, including its contribution towards greenhouse gas emissions and the resultant climate change. At its core, the green building movement ...Read more
Author:Wall, KDate:Oct 2010In December 2008, the CEBC met in Brasilia and began work on a framework for a "guidebook for capacity building in the engineering environment" and an associated compendium of programmes and initiatives. This guidebook has subsequently been ...Read more
Author:Govender, Natasha; Warrell, J; Keaikitse, M; Torr, P; Nicolls, FDate:2015Bayesian methods have proved effective in many active sensing scenarios, including object recognition from a mobile platform, tracking and medical diagnostics. Despite its importance though, models for active object recognition have concentrated ...Read more
Author:Adeyeye, MO; Musa, AG; Botha, AdèleDate:2014The browser war is far from over, and the HTML5 <video> tag has not improved video access despite its promises to work without specifying a plug-in. This chapter discusses m-learning with respect to video. It outlines the m-learning paradigm ...Read more
Author:Mural, PKS; Ray, Suprakas SDate:Oct 2018Nanocomposites consisting of commodity polymers like polyethylene, polystyrene, polypropylene, and polyvinyl chloride have demonstrated good thermomechanical behavior and electrical properties. Common routes for producing polymer nanocomposites ...Read more
Author:Ojijo, Vincent O; Ray, Suprakas SDate:Oct 2018Although polymer nanocomposites (PNCs) are now a relatively well-established technology, nanoparticles (NPs) such as carbon nanotubes (CNTs) and graphene are opening up new application areas in engineering PNCs. Therefore, research and ...Read more
Author:Salehiyan, Reza; Ray, Suprakas SDate:Oct 2018This chapter discusses the structure-properties of immiscible polymer blends, focusing on the effects of compatibilization. It has been discussed that the morphology of immiscible blends governs their final properties and thus end-use ...Read more
Author:Botlhoko, Orebotse J; Ray, Suprakas SDate:Oct 2018This chapter provides a brief overview on the processing methods and structure-property relationships of polylactide, polyhydroxybutyrate, and starch nanocomposites as well as the challenges faced in their development, in order to further the ...Read more