Author:Masonta, Moshe T; Mzyece, M; Mekuria, FissehaDate:Oct 2012Cognitive radio (CR) technology has become one of the buzzwords within the wireless communications community over the past 12 years. Its ability to learn, decide and adapt to the external environment made CR attractive to regulators, researchers, ...Read more
Author:Morris, CDate:May 2006This paper reviews the status of eAdoption in South Africa and Mozambique. It describes the ICT strategy including current and planned enabling legislation, the identification of key stakeholder responsible for policy and implementation, and ...Read more
Author:Khanyile, NP; Tapamo, JR; Dube, EDate:Aug 2011Thinning plays a very important role in the preprocessing phase of automatic fingerprint recognition/identification systems. The performance of minutiae extraction relies heavily on the quality of skeletons used. A good fingerprint thinning ...Read more
Author:Nkuna, CN; Oboirien, Bilainu O; Oboirien, ER; Lekitima, JDate:Apr 2017The generation of geopolymers from OXY-FBC and CLC bottom ashes has not yet been reported. In this study, geopolymers from OXY-FBC and CLC bottom ash were synthesized and compared with geopolymers from FBC bottom ash. The bottom ashes used ...Read more
Author:Folorunso, Oladipo; Hamam, Y; Sadiku, R; Ray, Suprakas S; Adekoya, GJDate:2021In the search for the solution to energy storage problems, this study investigates the interfacial energy interaction and temperature stability of the composites made of polypyrrole-graphene-borophene (PPy-Gr-Bon) by using molecular dynamics ...Read more
Author:Oberholster, PJ; Steyn, Maronel; Botha, ADate:Sep 2021The reuse of wastewater has been observed as a viable option to cope with increasing water stress in Africa. The present case studies evaluated the optimization of the process of phycoremediation as an alternative low-cost green treatment ...Read more
Author:Mokoatle, Mpho; Coleman, Toshka; Mokilane, Paul MDate:Dec 2023The likelihood that an earthquake will occur in a specific location, within a specific time frame, and with ground motion intensity greater than a specific threshold is known as a seismic hazard. Predicting these types of hazards is crucial ...Read more
Author:Khanyile, AT; Andrew, Jerome E; Paul, V; Sithole, Bishop BDate:May 2022The Box-Behnken experimental design technique investigated a comparative study of supercritical fluid extraction (SFE) and accelerated solvent extraction (ASE) of lipophilic compounds from pinewood sawdust. A response surface methodology was ...Read more
Author:Du Plessis, A; Strydom, C; Botha, LDate:Mar 2010Changes in the laser induced molecular dissociation of 1,1,1-trichloroethane (TCE) were studied using a range of intensities and standard laser wavelengths with nanosecond and femtosecond pulse durations. TCE contains C-H, C-C and C-Cl bonds ...Read more
Author:Yong Song, H; Salehiyan, Reza; Li, X; Hak Lee, S; Hyun, KDate:Nov 2017In this study, the effects of cone-plate (C/P) and parallel-plate (P/P) geometries were investigated on the rheological properties of various complex fluids, e.g. single-phase (polymer melts and solutions) and multiphase systems (polymer blend ...Read more
Author:Dada, M; Popoola, P; Mathe, Ntombizodwa R; Pityana, Sisa L; Adeosun, S; Aramide, ODate:Jun 2021Corrosion is a conservational occurrence that has a large economic impact on most metals and its alloys because it destroys and deteriorates most materials by an electrochemical process through the reaction of these materials with the ...Read more
Author:Strauss, Hencharl J; Bollig, C; Von Bergmann, M; Esser, MDDate:Jun 2009Aimed to compare the two materials directly under diode-end-pumping by performing thermal lens measurements during lasing with a HeNe probe beam using identical low-doped (0.15%), 4x4x18 mm3 crystals. Our setup was such that we could separately ...Read more
Author:Manickchand, Kaveer; Strydom, Johannes J; Mishra, AKDate:Sep 2017The goal of this study was to research TOA exclusive tracking and deinterleaving algorithms applied to radar emitters in an EW environment for application on FPGA-based DRFM platforms. In this paper sequence search (SS), TOA difference ...Read more
Author:Hoosain, Shaik E; Pityana, Sisa L; Tlotleng, Monnamme; Legopeng, TDate:Nov 2017Titanium aluminides (TiAl) are acknowledged as promising high temperature structural materials due to their high melting point, high strength to density, high elastic modulus and high creep strength. Due to their low ductility, it is difficult ...Read more
Author:Govender, G; Ivanchev, L; Hope, D; Burger, H; Kunene, GDate:Jul 2007Aluminium alloys are used extensively in the automotive and aerospace industries. The development semi-solid forming as manufacturing process has offered the opportunity to HPDC cast complex, near net shape, high volume, and high integrity ...Read more
Author:Masikane, M; Chikwanda, HK; Sigalas, IDate:Jul 2015Over the past years, the blended elemental powder metallurgy (PM) approach has been identified as one of the most promising strategies to reduce the cost of titanium-based components. However, oxygen pick-up, inhomogeneity of the microstructure ...Read more
Author:Motaung, DE; Malgas, GF; Arendse, CJDate:Jan 2010In this report the effect of solvent to control the degree of mixing of the polymer and fullerene components, as well as the domain size and charge transport properties of the blends were investigated in detail using P3HT:C60 films. The polymer ...Read more
Author:Adekunle, AS; Ozoemena, KIDate:Dec 2010This study described the decoration of edge plane pyrolytic graphite electrode (EPPGE) with synthesised cobalt and cobalt oxide nanoparticles. The modified electrode was characterised by techniques such as TEM, FESEM, XRD, EDS, cyclic voltammetry ...Read more