Author:Akande, AA; Rammutla, KE; Moyo, T; Osman, NSE; Nkosi, SS; Jafta, CJ; Mwakikunga, Bonex WDate:Feb 2015We report on the magnetic property of 0.67–WO3+0.33–VOx mixture film deposit on the corning glass substrate using the chemical sol–gel and atmospheric pressure chemical vapour deposition (APCVD) methods. The XRD and Raman spectroscopy confirm ...Read more
Author:Goedhals-Gerber, LL; Stander, C; Van Dyk, FEDate:Aug 2017South Africa is among the top 10 fruit-exporting countries in the world. The South African fruit industry has identifi ed temperature breaks along the fruit export cold chain that result in the deterioration of fruit quality, loss of market ...Read more
Author:Konrad, T; Uys, HDate:Jan 2012Unsharp measurements allow the estimation and tracking of quantum wave functions in real time with minimal disruption of the dynamics. Here we demonstrate that high-fidelity state monitoring, and hence quantum control, is possible, even in ...Read more
Author:Nelles, EM; Dewar, J; Bason, ML; Taylor, JRNDate:May 2000The pasting of commercial maize starches was found to be a biphasic phenomenon, exhibiting an expected first viscosity peak as well as an unexpected, relatively large second viscosity peak under specific cooking conditions when using a Rapid ...Read more
Author:Oboirien, BO; Thulari, V; North, Brian CDate:Sep 2014This paper presents a detailed study on the effect of temperature on the concentration of 27 major and trace elements in bottom ash generated from oxy fuel-combustion. The major elements are Na, Mg, Al, K, Ca and Fe and the minor and trace ...Read more
Author:Johnson, David L; Mikeka, CDate:Sep 2016At Mulanje Secondary School, in Malawi’s verdant tea-growing district, something remarkable is happening: Students and teachers now have broadband access to the Internet for the first time, thanks to an over-the-air network that connects the ...Read more
Author:Van Niekerk, B; Cloete, ChristoDate:Apr 2015The electromagnetic spectrum is becoming congested with the number of available wireless communication systems; the implications are that modern battlefields will have many electromagnetic signals. Electronic warfare commanders need sufficient ...Read more
Author:Van Wilgen, BW; Forsyth, GG; Prins, PDate:Mar 2012The Table Mountain National Park is a 265-km² conservation area embedded within a city of 3.5 million people. The highly diverse and unique vegetation of the park is both fire prone and fire adapted, and the use of fire forms an integral part ...Read more
Author:Steynberg, MC; Venter, SN; De Wet, CME; Du Plessis, G; Holhs, D; Rodda, N; Kfir, RDate:1995A case study indicated that the high number of pathogenic micro-organisms in the Rietspruit South Africa, can impact water uses. Factors contributing to high microbial numbers are high density population with limited services provided per ...Read more
Author:Wonnacott, R; Hartnady, C; Engelbrecht, JeanineDate:Aug 2015South Africa is a water scarce country hence the careful monitoring and management of available water resources is critical for the wellbeing of the citizens of the country. A high percentage of the Earth’s water supply is stored underground ...Read more
Author:Van Wilgen, BWDate:May 1996The Cape Peninsula is an area of outstanding natural beauty and exceptional biodiversity, worthy of proclamation as a World Heritage Site. The area is dominated by fynbos vegetation, usually managed by means of prescribed burning, together ...Read more
Author:Grobler, MM; Dlamini, IZDate:2010Governance in general is becoming increasingly important in contemporary management, but specifically the governance of Digital Forensics. In order to manage governance disciplines effectively, closer attention needs to be paid to the technical ...Read more
Author:Wall, K; Manus, A; Lowe, NDate:Jan 2006While some measures are within the power of a WSA, some can only be done by, or are best done by, a larger grouping, or by another entity, such as by a government department. An example of what cannot be done by an individual WSA is a gathering ...Read more
Author:Scott, DFDate:Jul 1999The reductions in streamflow associated with timber plantations are of particular concern in South Africa and, as a means of sustaining flows; permits granted by the state for the establishment of plantations have required that plantings ...Read more
Author:Mbele, CM; Malik, Humma H; Pretorius, JHCDate:Jun 2022Pipeline structural integrity challenges highlight the need for pipeline operators to prioritise inline inspection technologies as part of risk-based condition assessment. This initiative is motivated by increased regulatory and economic ...Read more
Author:Tredoux, G; King, P; Cave, LDate:Oct 1999The Atlantis Water Resource Management Scheme uses artificial recharge of urban storm water and treated wastewater to augment the natural groundwater resource. The key to the success of the scheme is the fractionation of the storm water into ...Read more