Author:Mabuza-Hocquet, Gugulethu P; Nelwamondo, Fulufhelo VDate:Oct 2012Poor digital iris images prove to be a challenge when iris features have to be recognised and extracted for use in iris classification. To ensure the accuracy of a typical iris recognition system, acquired
iris images have to undergo a ...Read more
Author:Mamuru, SA; Ozoemena, KIDate:Nov 2010Oxygen reduction reaction (ORR) in alkaline medium at iron (II) tetrakis (diaquaplatinum) octacarboxyphthalocyanine (PtFeOCPc) catalyst supported on multi-walled carbon nanotubes (MWCNTs) has been described. The ORR followed the direct ...Read more
Author:Mamuru, SA; Ozoemena, KI; Fukuda, T; Kobayashi, NDate:Oct 2010A novel platinum-based macrocycle, iron(II) tetrakis(diaquaplatinum)octacarboxyphthalocyanine (PtFeOCPc), was synthesised and characterised. The heterogeneous electron transfer and electrocatalytic properties of this functional material towards ...Read more
Author:Schwering, PBW; Bezuidenhout, DF; Gunter, WH; Le Roux, FPJ; Sieberhagen, RHDate:Apr 2008Present-day naval operations take place in coastal environments as well as narrow straits all over the world. Coastal environments around the world are exhibiting a number of threats to naval forces. In particular a large number of asymmetric ...Read more
Author:Martim, E; Dlamini, M; Van Greunen, D; Eloff, J; Herselman, Martha EDate:Mar 2009Security and usability are crucial factors for the successful of any e-commerce system. However, they have traditionally been considered a design trade-off. In an effort to align them, this paper highlights the design principles and guidelines ...Read more
Author:Henrico, S; Coetzee, S; Cooper, Antony KDate:Feb 2020The study of terrain and all its related elements and facets are of crucial importance to the military. Lodi, Smit, and Ayirebi agreed with this statement and added that the importance of terrain was recognised by military leaders more than ...Read more
Author:Petzer, EngelaDate:Jul 2016Planning is inherently about looking ahead. The profession holds the promise of bringing hope of a better future. Among planners it is sometimes taken for granted that planning is concerned with the future and that planners will confront the ...Read more
Author:Roro, Kittessa TDate:Jul 2015This presentation reflects on photovoltaic (PV) generated electricity in South Africa, and whether it is a cheaper alternative to current generated electricity in the country. It is projected that by 2019 the installed capacity of PV could ...Read more
Author:Gregor, L; Monteiro, Pedro MSDate:May 2013This study was undertaken to characterise the seasonal cycle of air–sea fluxes of carbon dioxide (CO(sub2)) in the southern Benguela upwelling system off the South African west coast. Samples were collected from six monthly cross-shelf cruises ...Read more
Author:Wazna, TM; Balamesh, AS; Abdul Gaffar, MYDate:Oct 2015In Inverse Synthetic Aperture Radar (ISAR) imaging, the Range Instantaneous Doppler (RID) method is used to compensate for the nonuniform rotational motion of the target that degrades the Doppler resolution of the ISAR image. The Instantaneous ...Read more
Author:ISCOR-SASOL-F.R.I. Steering CommitteeDate:1960Iscor- SASOL-FRI steering committee progress report covering the period February - May 1960 Investigations conducted at the Fuel Research Institute.Read more
Author:Mtsweni, Jabu S; Biermann, E; Pretorius, LDate:Jul 2014The benefits of incorporating Semantic Web Services in web applications are well documented. However, both the real-world implementation and adoption of these services are still rather limited in practice. This is despite the promises that ...Read more
Author:Korir, E; Kiplimo, JJ; Crouch, NR; Moodley, N; Koorbanally, Nicoli ADate:2014Calpurnia aurea is an African medicinal plant used in many countries in Africa to treat a range of medical conditions or disorders. Extracts of the plant were shown to be active in antibacterial and antioxidant assays as well as against lice, ...Read more
Author:Hunter, L; Gee, EDate:May 1987The isolated weak places and other physical properties of some 120 commercial cotton, cotton/polyester and polyester yarns, mostly ring, but including some rotor (OE) samples, have been measured.Read more
Author:Cuthbert, WO; Ray, Suprakas S; Emmambux, NMDate:Jul 2017Nanoparticles were isolated from tef and maize starch modified with added stearic acid after pasting at 90 °C for 130 min. This was followed by thermo-stable alpha-amylase hydrolysis of the paste. The resultant residues were then characterized ...Read more
Author:London, GM; Mayosi, BM; Khati, MDate:Jan 2015Aptamers, which are artificial nucleic acid ligands akin to antibodies in function, represent a new class of molecules that can prevent HIV infection. In this study, we isolated RNA aptamers against whole HV-1CAP45 enveloped pseudotyped virus, ...Read more