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
Author:Mokonyama, Mathetha TDate:Nov 2012This chapter interrogates some empirical data to examine some of the contributory causes of EBS in South Africa, and uses the City of Johannesburg as a case study. The daily travel patterns of car users are analysed within the context of how ...Read more
Author:Osunmakinde, I; Bagula, ADate:Apr 2009Dynamic Bayesian networks (DBNs) are temporal probabilistic models for reasoning over time which are rapidly gaining popularity in modern Artificial Intelligence (AI) for planning. A number of Hidden Markov Model (HMM) representations of ...Read more
Author:Kepaletwe, D; Ndala, V; Phahlamohlaka, Letlibe JDate:Aug 2016This paper identifies and describes five economic activities through which ICT could effectively be used to open global markets for rural and marginalized communities. The activities are identified in contexts where there are no industries, ...Read more
Author:Thambiran, Tirusha; Padayachi, Yerdashin RDate:Oct 2017Energy changes, shifting to renewable, could lessen the environmental health problems associated with burning of fossil fuels and biomass fuels. Climate change is likely to have impacts on renewable energy production and distribution in ...Read more
Author:Osburn, LDate:Feb 2009Current perceptions conjure images of photovoltaic panels and wind turbines when green building or sustainable development is discussed. How energy is used and how it is generated are core components of both green building and sustainable ...Read more
Author:Osburn, LDate:Jan 2010The construction industry has turned to energy modelling in order to assist them in reducing the amount of energy consumed by buildings. However, while the energy loads of buildings can be accurately modelled, energy models often under-predict ...Read more
Author:Wall, KDate:Oct 2010The critical roles of engineering in addressing the large-scale pressing challenges facing our societies worldwide are widely recognized. Such large-scale challenges include access to affordable health care; tackling the coupled issues of ...Read more
Author:Erinosho, MF; Akinlabi, ET; Pityana, Sisa LDate:Apr 2016The laser metal deposition process possesses the combination of metallic powder and laser beam respectively. However, these combinations create an adhesive bonding that permanently solidifies the laser-enhanced-deposited powders. Titanium ...Read more
Author:De Vries, M; Gerber, A; Van der Merwe, ADate:Jun 2015Enterprise engineering (EE) is emerging as a new discipline to address the design of the enterprise in a holistic way. Although existing knowledge on enterprise design is dispersed and fragmented across different disciplines and approaches, ...Read more
Author:Van Reenen, Coralie A; Nkosi, MuziDate:Oct 2020Vehicle emissions contribute significantly to the greenhouse gas (GHG) content in the earth’s atmosphere, with transportation emissions constituting 24% of the global carbon dioxide (CO2) emissions (IEA, 2020), contributing to climate change. ...Read more
Author:Erasmus, BFN; Coetzer, K; Mambo, J; Archer, Emma RM; Fisher, JT; Asner, GPDate:May 2011Bushbuck Ridge is a typical cultural landscape where the interdependency of people and the environment shape the savanna ecosystem goods and services upon which many people are dependent. The forced resettlement of people in the apartheid ...Read more