Author:Morris, CDate:May 2007Access to Information and Communication Technologies (ICTs) remains one of the biggest challenges to Africa in leapfrogging the development chasm. The African digital divide can be in part attributed to a restrictive regulatory policy that ...Read more
Author:Tsague, HD; Twala, BDate:Dec 2015This paper presents a comprehensive study of leakage reduction techniques applicable to CMOS based devices. In the process, mathematical equations that model the power-performance trade-offs in CMOS logic circuits are presented. From those ...Read more
Author:Modiba, Rosinah; Chauke, H; Ngoepe, PDate:Sep 2017The study on the Ti-based materials and its application has been the interest of many research industries. These alloys are known to have an ordered B2 phase at high temperatures and transform to a stable low B19 martensitic phase. First ...Read more
Author:Mashapa, MG; Chetty, N; Ray, Suprakas SDate:Oct 2012Spin polarized density functional theory has been used to investigate the structural stability and electronic properties of extrinsic and intrinsic defects in boron nitride nanotubes. Carbon substitutional defects under nitrogen rich and ...Read more
Author:Mnisi, VC; Sithole, ME; Modiba, RosinahDate:2021Elastic modulus is a very important physical aspect for biomaterials which is impartial to various replacements as artificially hip joints, bone plate, and gum implants since it measures the material’s resistance to be deformed elastically. ...Read more
Author:Oberholster, Paul J; Jappie, S; Cheng, Po-Hsun; Botha, AM; Matthews, MWDate:11 Mar 2015In South Africa, little is known about the production of microcystin by the genus Anabaena Bory. In April 2012, during a cyanobacterial bloom event in Theewaterskloof Dam, Western Cape province, the plankton was sampled on 10 occasions. The ...Read more
Author:Oberholster, Paul J; Ashton, PJ; Fritz, GB; Botha, AMDate:Apr 2010Ophrydium versatile (Müller 1786) Ehrenberg 1830 – a symbiotic ciliate that forms gelatinous colonies – is widely distributed in temperate lakes in Europe and America, but has not previously been recorded from rivers. In this paper we report ...Read more
Author:Recio, MR; Mathieu, Renaud SA; Maloney, R; Seddon, PJDate:Apr 2010The presence of feral cats (Felis catus) in the braided river valleys of New Zealand poses a threat to native species such as the critically endangered black stilt (Himantopus novaezelandiae). Trapping remains the most common method to control ...Read more
Author:Jamison, Kevin A; Naidoo, Purusha; Ramotsabi, KatlehoDate:Nov 2022The South African government is investing in the use of hydrogen fuel as a pathway towards decarbonising transport sectors. Hydrogen is likely to be a viable option for decarbonising air transport and it is being investigated intensively ...Read more
Author:Meyer, T; Moodley, K; Varzinczak, IDate:Aug 2010Description Logics (DLs) are widely accepted as an appropriate class of knowledge representation languages to represent and reason about ontologies. Tools for performing standard reasoning tasks such as satisfiability and consequence checking ...Read more
Author:De Beer, Morris; Van Heerden, ADate:Nov 2016The demands faced by those who work within a military context require individuals to cope with difficult and challenging circumstances – physically, cognitively, emotionally and socially. Thus the understanding and measurement of resilience ...Read more
Author:Singh, M; Kijko, A; Durrheim, RDate:Oct 2011A first-order seismotectonic model was created for South Africa. This was done using four logical steps: geoscientific data collection, characterisation, assimilation and zonation. Through the definition of subunits of concentrations of ...Read more
Author:Phasha, MJ; Bolokang, Amogelang S; Kebede, Mesfin ADate:Feb 2021Density-functional theory (DFT) based first-principles calculations were used to investigate the crystal structure, binding energy, phase stability and elastic properties of body-centered cubic (BCC) W-based binary solid solutions. The effect ...Read more
Author:Kiarii, EM; Govender, Krishna; Mamo, MA; Govender, PPDate:Oct 2018The world reliance on non-renewable and depleted energy resources has made the search for renewable and sustainable energy more significant. However, a theoretical study is necessary to give a more elaborate investigation of the electronic ...Read more
Author:Smith, Marie EDate:Oct 2022Presentation on the environmental overview, Earth Observation Product Development and National and regional initiatives supporting fisheries-National Oceans and Coastal Information Management System (OCIMS)-Marine and Coastal Operations for ...Read more
Author:Zwane, PEL; Magagula, NDate:Oct 2005The four body types are the: Hourglass/ideal body shape, triangular/pear/bottom heavy shape, and rectangular body shapes. An individual with an hourglass is regarded as having a proportionate figure, whereby the girth measurements (bust, waist ...Read more
Author:Schreiner, Gregory ODate:Aug 2021The disciplinary domains known as ‘Impact Assessment’ and ‘Scientific Assessment’ occupy fairly similar spaces at the contemporary Science-Policy Interface. At their essences, both concern themselves with providing the evidence-base to support ...Read more
Author:Sprovieri, F; Pirrone, N; Bencardino, M; D'Amore, F; Angot, H; Walters, Chavon RDate:Feb 2017The atmospheric deposition of mercury (Hg) occurs via several mechanisms, including dry and wet scavenging by precipitation events. In an effort to understand the atmospheric cycling and seasonal depositional characteristics of Hg, wet ...Read more