Author:Roux, FSDate:Mar 2012The statistical distributions of optical vortices or topological charge in stochastic optical fields can be inhomogeneous in both transverse directions. Such two-dimensional inhomogeneous vortex or topological charge distributions evolve in ...Read more
Author:Makondo, Ntshuxeko; Kobo, Hlabishi I; Mathonsi, TEDate:Sep 2023Software Defined Networking (SDN) is a computer network paradigm that has the potential to simplify network management and configuration by increasing network programmability and abstraction. In contrast to traditional networks, SDN separates ...Read more
Author:Tesfaye M; Sivakumar V; Botai J; Mengistu GDate:Sep 2010The latitudunal variation of the relative weight size distribution and optical properties of aerosols over South Africa is presented here. The study uses 10-years of Multi-angle Imaging SpectroRadiometer (MISR) satellite data, collected over ...Read more
Author:Duvenhage, A; Kourie, DG; Hancke, GPDate:Sep 2009Modelling and simulation can be applied to support Joint Command and Control (JC2) which involves the interoperability of network-centric systems as well as legacy command and control systems. It is assumed that software will always be the ...Read more
Author:Labuschagnè, J; Molefe, D; Focke, WW; Ofosu, OseiDate:Apr 2019The use of layered double hydroxide (LDH) derivatives as flame retardants for PVC, plasticized with 100 phr diisononyl phthalate (DINP), was investigated. Cone calorimeter results, obtained at a radiant flux of 35 kW m(sup-2), revealed that ...Read more
Author:Ray, Suprakas S; Mosangi, Damodar; Kesavan Pillai, SreejaraniDate:Jul 2018The chemical stability, degradation and penetration ability of pharmaceutically active ingredients in topical formulations are the greatest challenges because of problems with the protection of actives for long times and with delivery. ...Read more
Author:Kesavan Pillai, Sreejarani; Kleyi, Phumelele E; De Beer, Marinda; Mudaly, PreenshaDate:Dec 2020Topical delivery of active ingredients is very challenging because of the complex structure and excellent barrier properties of human skin. Advances in nanotechnology resulted in nanomaterial based delivery systems to augment the skin absorption ...Read more
Author:Kebede, Mesfin A; Palaniyandy, Nithyadharseni; Koao, LFDate:Dec 2019The lithium ion battery has been offering a tremendous benefit and contribution to the technological development of humankind by serving as an efficient power source for electronic devices, mobile power stations, and electrical automotive ...Read more
Author:Bofinger, S; Stander, Johan NDate:Nov 2017CSIR, SANEDI, Eskom and Fraunhofer IWES conducted a study to holistically quantify the wind-power potential in South Africa, and the portfolio effects of widespread spatial wind and solar power aggregation in South Africa. Wind Atlas South ...Read more
Author:Vilakazi, Mlamuli C; Sebopetse, Nakampe; Khutsoane, Oratile ODate:Sep 2021This paper overviews a designed Low-Cost Spectrum Monitoring (LCSM) node that is installed in universities around South Africa. LCSM node is an electronic device that automatically monitors the frequency spectrum and then communicates the ...Read more
Author:Swanepoel, JJ; Van Vuuren, DS; Heydenrych, MDate:Oct 2010Titanium nitride in upgraded nitrided ilmenite (bulk of iron removed) can selectively be chlorinated to produce titanium tetrachloride. Except for iron, most other components present during this low temperature (ca. 200 °C) chlorination ...Read more
Author:Bryen, DN; Lever, S; Mujherjee, S; Pistorius, M; Smith, MDate:Aug 2008Disability is not synonymous with illness or dependency and disability is as much a function of disabling environments and attitudes as it is physical, cognitive, sensory or communication limitationsRead more
Author:Leinen, RDate:Oct 2017This presentation discusses how Industry 4.0 is driving the digital enterprise in product development and manufacturing.Read more
Author:McGill, JEDate:Jul 2010Primary production of PGE globally is geographically restricted to South Africa—bushveld Complex (77%); Russia—Noril’sk and alluvial producers (13%); and collectively USA—Stillwater; Zimbabwe—Great Dyke; and Canada—Lac de Iles (10%). Seventy-seven ...Read more
Author:Archibald, S; Scholes, RJDate:2007The savannas of Africa are dominated by deciduous trees and perennial but seasonal grasses. Virtually nothing is known about the factors that trigger the onset of greening, or the time-course of leaf-drop in either of these main plant functional ...Read more
Author:Tsague, HD; Twala, BDate:Nov 2015Low power IC solutions are in great demand with the rapid advancement of handheld devices, wearables, smart cards and radio frequency identification bringing a massive amount of new products to market that all have the same primary need: ...Read more
Author:Adedeji, K; Hamam, Y; Abe, B; Abu-Mahfouz, Adnan MIDate:Jun 2017Water loss through leaking pipes is inexorable in water distribution networks (WDNs) and has been recognized as a major challenge facing the operation of municipal water services. This is strongly linked with financial costs due to economic ...Read more