Author:Akinbulu, IA; Ozoemena, KI; Nyokong, TDate:Oct 2011Molecular thin films of manganese (SAM-2), iron (SAM-3), and cobalt (SAM-4) phthalocyanine complexes, non-peripherally tetra-substituted with benzylmercapto, were formed on polycrystalline gold disc electrode by selfassembly technique. Surface ...Read more
Author:Yanga, F; Zhang, H; Shao, Y; Song, H; Liao, S; Ren, JianweiDate:Dec 2017High-performance ferric phosphate (FePO4), with well-defined ellipsoid morphology and uniform particle size distribution, is successfully fabricated via a green spray drying method with formic acid as additive. It is found that the added ...Read more
Author:Van Heerden, A; Parker, L; Rawoot, IDate:Nov 2016Operational Forces are a separate and unique unit of the South African Defence Force. This Unit operates under the auspices of joint operations and is viewed as being very elite. Soldiers in this group are exposed to great physical and mental ...Read more
Author:Van Deventer, HeidiDate:Oct 2021The first space-borne satellite was launched nearly fifty years ago in 1972, initiating global monitoring of freshwater ecosystems. Space-borne images have contributed to forty years of mapping and monitoring of wetlands in South Africa, and ...Read more
Author:Thejane, T; Marwala, T; Smit, Jacoba E; Nelwamondo, Fulufhelo VDate:Sep 2012An analog network model of the human middle ear is used to study the effect of terminal loads on the middle ear frequency response. A new transformer ratio value is computed and used to improve the model of the middle ear through the use of ...Read more
Author:McFerren, G; Van Zyl, T; Vahed, AnwarDate:Jul 2011In multiple research fields such as astronomy, bio-informatics, chem-informatics, geophysics and eco-informatics, scientists are increasingly turning to e-science and specifically scientific workflows as a way of improving, broadening, hastening ...Read more
Author:Mashiri, M; Dube, S; Buiten, DDate:2007Transport plays a significant role in the lives of children and young people, facilitating or constraining their ability to discharge their domestic responsibilities, providing opportunities for earning an income, supporting or inhibiting the ...Read more
Author:Sitas, Nadia E; Reyers, B; Cundill, G; Prozesky, HE; Nel, JL; Esler, KJDate:Apr 2016Engaging diverse stakeholders in collaborative processes to integrate environmental information into decision making is important, but challenging. It requires working at and across the boundaries between knowledge types — a complex milieu ...Read more
Author:Murguía, D; Brovko, Fatheela; Wenham, M; Correia, V; Bodo, BDate:Oct 2016In the last decade, a structural change has taken place in the world’s mineral markets and the global demand for raw materials stands at the bottom of a new growth curve. In this perspective, safeguarding the domestic minerals supply in a ...Read more
Author:Dawood, Zubeida C; Keet, CMDate:Sep 2013A purpose of a foundational ontology is to solve interoperability issues among domain ontologies and they are used for ontology- driven conceptual data modelling. Multiple foundational ontologies have been developed in recent years, and most ...Read more
Author:Mbonyiryivuze, A; Mwakikunga, Bonex W; Dhlamini, SM; Maaza, MDate:Aug 2015Melanin is of interest as a model system of understanding disorder in biological systems. The biological functionality of melanin depends on disorder which is considered as its essential part. This property distinguishes melanin from other ...Read more
Author:Makinana, S; Van der Merwe, Johannes J; Malumedzha, TDate:Aug 2014Iris recognition systems have attracted much attention for their uniqueness, stability and reliability. However, performance of this system depends on quality of acquired iris sample. This is because in order to obtain reliable features good ...Read more
Author:Harikrishnan, D; Kumar, NS; Joseph, RS; Nair, Kishor KDate:Apr 2021In the digital authentication system, the emerging technology is fingerprint authentication, which have been concentrated more attraction towards security and control. Existing authentication systems such as Biometric cryptosystems, Cancellable ...Read more
Author:Sroor, H; Naidoo, Darryl; Miller, SW; Nelson, J; Courtial, J; Forbes, ADate:Jan 2019Fractals, complex shapes with structure at multiple scales, have long been observed in Nature: as symmetric fractals in plants and sea shells, and as statistical fractals in clouds, mountains and coastlines. With their highly polished spherical ...Read more
Author:Masindi, Vhahangwele; Ndiritu, JGDate:Jun 2017This study evaluated the fractional and sequential recovery of inorganic contaminants from acid mine drainage (AMD) using cryptocrystalline magnesite. Batch experimental approach was used to fulfil the goals of this study. The obtained results ...Read more
Author:Masindi, Vhahangwele; Ndiritu, JG; Maree, JPDate:Apr 2018In this study, a process of fractional and step-wise recovery of metals from Acid Mine Drainage (AMD) using calcined cryptocrystalline magnesite was explored. pH Redox Equilibrium (in C language) (PHREEQC) was used to complement the experimental ...Read more