Author:Sivakumar, V; Bencherif, H; Faduilhe, DDate:Jul 2006The prevailing convective activity over tropics and subtropical regions acts as an important source for the generation of GW. Reunion Island (21°S, 55°E) is located in sub-tropics where a large number of convective phenomena occur. Hence, the ...Read more
Author:Prasanth, PV; Sivakumar, V; Sridharan, S; Kumar, YB; Bencherif, H; Rao, DNDate:Oct 2009In this paper, researchers present seasonal and nocturnal variations of mesospheric sodium (Na) layer parameters observed over Gadanki (13.5° N, 79.2° E), based on 166 nights during the period from January 2005 to December 2006, for the first ...Read more
Author:Venkataraman, SDate:2008Two laser-radar systems in South Africa offer great potential to characterize the region's atmospheric particulate matter and pollutants. Lasers offer great advantages over conventional light sources in terms of peak power and narrow spectral ...Read more
Author:Ogunniyi, Samuel O; Withey, Daniel J; Marais, Stephen T; Crafford, Gerhardus JDate:Jan 2020As mining activities expand into deeper mines in South Africa's geology there are increasing safety concerns for personnel working within these mines. Ground Penetrating Radar can be used to find faults in the rock face; however, current GPR ...Read more
Author:Muswelanto, SDate:04 Jun 2008CSIR (Council for Scientific and Industrial Research), is a leading scientific and technology research, development and implementation organisation in Africa. Employees are provided with a number of career options, and space to realise their ...Read more
Author:Ampofo-Anti, NDate:Nov 2008The inordinate quantities of resources used and pollution released by construction products identify construction as a critical sector for a paradigm shift in consumption and production approaches. The Life Cycle Assessment (LCA) concept is ...Read more
Author:Mashoko, L; Mbohwa, C; Thomas, VMDate:Jan 2013The South African sugar industry has a potential for cogeneration of steam and electricity using bagasse. The sugar industry has the potential to generate about 960 MW per year from bagasse based on the average of 20 million tons of sugar ...Read more
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