Author:Bruwer, A; Van Staden, M; Le Roux, Alize; Van Niekerk, Cornelia WDate:Dec 2017The 2015 Global Assessment Report on Disaster Risk Reduction concludes that the mortality and economic loss associated with extensive risks (minor but recurrent disaster risks) in low- and middle-income countries are trending up. In the last ...Read more
Author:Ashton, PJDate:2007Recent years have been marked by a growing awareness that the world’s freshwater supplies represent a scarce and critically important resource that is also extremely vulnerable to human activities (Biswas 1993; Delli Priscoli 1998). Indeed, ...Read more
Author:Kotzé, Paula; Renaud, KDate:2008It is important, for our credibility as user interface designers and educators, that we practice what we preach. Many system designers and programmers remain sceptical about the need for user-centred design. To win them over, there is need ...Read more
Author:Sediki, Vhonani PDate:Jul 2021This review aims to answer the question whether Non-Motorised Transport and electric vehicle cultures help reduce carbon footprint related to commuting and whether the provision of infrastructure encourage the culture of walking, running, ...Read more
Author:Taylor, SJ; Ferguson, JHW; Engelbrect, Francois A; Clark, VR; Van Rensburg, S; Barker, NDate:Nov 2016During the past century, South Africa focused on engineered systems (dams, inter-basin transfers, tunnels, and pipelines) to safeguard its water supply. National water security in South Africa in the future is now expected to depend on an ...Read more
Author:Rust, FCDate:Jan 2009There is no doubt that infrastructure in general and specifically transport infrastructure plays a major role in economic development (Weisbrod G 1997, Chapman P et al 2002) as well as in social development (UNCDF 2007). In addition, construction ...Read more
Author:Nweke, EE; Thimiri Govindaraj, Deepak BDate:Feb 2021One of the critical Global challenges in achieving the UN Sustainable Development Goals 3 Good Health and Well Being is optimizing drug discovery and translational research for unmet medical need in both communicable and non-communicable ...Read more
Author:Wessels, Konrad JDate:2006This chapter describes the current condition of dryland systems with respect to the services they provide and the drivers that determine trends in their provision. Within the context of the mounting global concern caused by land degradation ...Read more
Author:Chinecherem, A; Kebede, Mesfin ADate:Nov 2021The need for increased energy security in the nation has diverted energy sources from conventional forms to the use of fuel cells. Fuel cells are generally accepted for electricity generation due to their increased conversion efficiency, ...Read more
Author:Greeff, M; Engelbrecht, APDate:2010Optimisation problems occur in many situations and aspects of modern life. In reality, many of these problems are dynamic in nature, where changes can occur in the environment that influences the solutions of the optimisation problem. Many ...Read more
Author:Helbig, M; Engelbrecht, APDate:2012Dynamic multi-objective optimisation problems (DMOOPs) occur in many situations in the real world. These optimisation problems do not have a single goal to solve, but many goals that are in conflict with one another - improvement in one goal ...Read more
Author:Motshekga, SC; Kesavan Pillai, Sreejarani; Ray, SS; Jalama, K; Krause, RWMDate:Nov 2011Tin oxide (SnO2) - decorated carbon nanotube (CNT) heterostructures were synthesized by microwave assisted wet impregnation method. CNTs of three different aspect ratios were compared. The hybrid samples were characterized by powder X-ray ...Read more
Author:Kolev, MDate:Feb 2009The current worldwide economic crisis needs strong global leaders who are able to breath new life into the economy in a way that will focus on the need to create jobs as well as stabilise the climate change, increase food production using ...Read more
Author:Van Wyk, Llewellyn VDate:Feb 2009Environmental planners design and oversee the construction of the infrastructure that substantially supports the built environment. Infrastructure is being described as the basic physical assets of a country, community or organization, and ...Read more
Author:Du Toit, B; Gush, Mark B; Pryke, JS; Samways, MJ; Dovey, SBDate:Sep 2014In Chapters 4, 5 and 6 of this book, the authors discussed the production and procurement of biomass from various sources, including extensively managed systems such as woodlands, and much more intensively managed systems such as short-rotation ...Read more
Author:Hall, G; Woodborne, SMDate:Nov 2010Several Middle Stone Age (MSA) site in southern Africa present evidence of environmental changes during Marine Isotope Stages (MIS) 4 and 3 between 70ka and 50ka. Of these, Sibudu Cave, KwaZulu-Natal, has yielded a detailed record of how ...Read more
Author:Abolnik, C; O'Kennedy, Martha M; Murphy, MA; Wandrag, DBRDate:Jun 2022Outbreaks caused by Goose/Guangdong H5 highly pathogenic avian influenza (HPAI)-lineage viruses continue to occur in unprecedented numbers throughout Eurasia, the Middle East and Africa, causing billions of dollars in economic losses and the ...Read more
Author:Fuku, Xolile G; Modibedi, Remegia MDate:Dec 2019Nanoscience has shown itself to be one of the most exciting areas in science, with experimental developments being driven by pressing demands for new technological applications. It is a highly multidisciplinary research field, and the ...Read more
Author:Selatile, Mantsopa K; Mural, PKS; Ray, Suprakas SDate:Oct 2018The present chapter gives an overview of the electrospinning process for producing nanofibers and developments in their application as polymer nanocomposites. Firstly, the electrospinning parameters (solution and process conditions), along ...Read more