Author:Anochie-Boateng, Joseph; Sampson, L; Agyekum, P; Ampadu, KODate:May 2017teep hill sections of low-volume (i.e. feeder) roads in Ghana are at high risk of slope failure, erosion, and drainage-related problems that ultimately affect the rural communities in respect of traffic delays, safety, damage to natural ...Read more
Author:Vogel, JC; Fuls, ADate:Jan 2005Radiocarbon analyses on 16 specimens of the Leadwood tree, Combretum imberbe, showed that they live for several hundred years. The oldest specimen was more than 1000 years old when it died and had an extremely slow radial growth rate of 0.33 ...Read more
Author:Goga, T; Harding, K; Russo, Valentina; Von Blottnitz, HDate:Jan 2023Increased production rates of plastic and limited disposal methods have fed concerns regarding environmental degradation. Whilst most of the focus is on plastic litter and marine pollution, greenhouse gas emissions of plastic over its value ...Read more
Author:Grobler, MMDate:Oct 2009The candidate's research investigated the development of a model for Live Forensic Acquisition - Liforac. The Liforac model is a wide-ranging model that presents many of the most important aspects related to Live Forensic Acquisition, ...Read more
Author:Marondedze, EF; Govender, Krishna K; Govender, PPDate:Dec 2020Currently, only three molecules, flutemetamol, florbetaben and florbetapir, have been approved for clinical use towards the definitive diagnosis of Alzheimer’s disease (AD). Despite the clinically approved drugs’ advantages, there still exists ...Read more
Author:Sparrow, RWDate:27 Feb 2006The aim of this research is to develop a device that will move a rod in 8 nm controllable steps. The researchers are utilising the biological principles and materials of photosynthetic light (energy) harvesting and transfer, ATPsynthase, ATP ...Read more
Author:Duvenhage, B; Bouatouch, K; Kourie, DGDate:Sep 2014This paper describes a new extension to light beam tracing that includes glossy multi-bounce transport paths for more realistic rendering of caustics. A spherical Gaussian approximation of the glossy scatter distribution as well as Gauss' ...Read more
Author:Forbes, A; Masina, Bathusile NDate:Nov 2010In this article the authors outline how an all-optical system may be designed for the heating, and then subsequent temperature measurement, of any sample, thus allowing a non-contact approach to thermal studies of materialsRead more
Author:Masonta, Moshe T; Oyedapo, J; Girod-Genet, MDate:Nov 2010In recent years Internet usage and services, accessed through both fixed and mobile networks, have experienced rapid growth. This growth was driven by the capability of the Internet to provide many new services seamlessly to the users at any ...Read more
Author:Du Preez, WDate:Aug 2010This presentation starts of by discussing the drivers of the international titanium industry, followed by drivers of the South African titanium industry. The Titanium Centre of Competence is then analysed. The conclusion is reached that the ...Read more
Author:Osburn, LDate:Feb 2009Lighting consumes between about 29-35% of the energy used within commercial office space while lighting only consumes about 11% of the energy used in a residential environment. Through conscientious design of the lighting systems, the lighting ...Read more
Author:Osburn, LDate:Apr 2010Lighting consumes about 30% of the energy used within commercial office space and about 10% of the energy used in a residential environment. Through conscientious design of the lighting systems, the lighting load can be significantly reduced ...Read more
Author:Nkosi, Mpho C; Lysko, Albert ADate:Oct 2017Optical networks employ restoration methods to ensure efficient recovery of connections interrupted by network failures. Software Defined Networking (SDN) is emerging as the future network architectures and introduces new control planes for ...Read more
Author:Greeff, M; Kotzé, PaulaDate:Oct 2009This paper introduces a methodology to improve the accessibility of websites with the use of free so-called automatic tools. The methodology has three iterative phases, namely assessing a website against accessibility guidelines, user testing ...Read more
Author:John, Maya J; Anandjiwala, RD; Thomas, SDate:Apr 2009Natural Rubber (NR) is a naturally occurring elastomeric polymer of isoprene (2-methyl-1,3-butadiene). It can be extracted from latex of only one kind of tree, the Hevea braziliensis. Hevea rubber is produced in many tropical regions of ...Read more
Author:De Beer, Morris; Mathews, EH; Krueger, D; Maree, J; Mbhele, FN; Phalanndwa, M; Novhe, NODate:Mar 2008Traditionally acid mine water is neutralised with lime. Limestone is a cheaper alternative for such applications. A case study showed that limestone can be used effectively to replace lime for the neutralization of arsenic rich acid water. ...Read more
Author:Badenhorst, Jacob AC; De Wet, FebeDate:Nov 2017This paper reports on the recognition of second language (L2) isiXhosa speech produced by beginner level adult language learners. The speech samples were produced and recorded during the development of a Mobile Assisted Language Learning ...Read more
Author:Sebake, Thandi NDate:Jun 2008With the current focus on continuing and improving the systems for measuring or assessing the environmental or sustainability performance of buildings, very little attention has been given to the difficulties encountered by the built environment ...Read more
Author:Fourie, CJS; Murdie, R; Gaya-Pique, LRDate:Jun 2009Three possible nuclear test scenarios can be employed: Atmospheric, Marine and Underground. If nuclear tests are performed in the Atmospheric or Marine environments, it is very difficult to hide. Countries that consider doing a secret nuclear ...Read more
Author:Wessels, Konrad J; Van den Bergh, F; Scholes, RJDate:Oct 2012This paper demonstrates a simulation approach for testing the sensitivity of linear and non-parametric trend analysis methods applied to remotely sensed vegetation index data for the detection of land degradation. The intensity, rate and ...Read more