Author:Ngulube, T; Gumbo, JR; Masindi, Vhahangwele; Maity, ArjunDate:Jun 2019The present work describes the removal of Direct Red 81, Methyl Orange, Methylene Blue and Crystal Violet from aqueous solution using halloysite nanotubes. The clay mineral was physicochemically characterized using various methods. The ...Read more
Author:Truter, JC; Van Wyk, JH; Oberholster, Paul J; Botha, A-M; Mokwena, LMDate:May 2017Knowledge regarding the potential impacts of crude oil on endocrine signaling in freshwater aquatic vertebrates is limited. The expression of selected genes as biomarkers for altered endocrine signaling was studied in African clawed frog, ...Read more
Author:Mabila, J; Herselman, Martha EDate:Aug 2018Research has shown that sustaining the integration of information and communication technologies (ICTs) to support teaching and learning in government schools in resource-constrained environments in South Africa remains a challenge.Read more
Author:Dye, PJ; Soko, S; Poulter, AGDate:Jul 1996Information on the water use of Pinus patula plantations is required to predict the impact of forest plantations on water resources in South Africa, The heat pulse velocity (HPV) method is a promising technique for measuring water use by ...Read more
Author:Cilliers, Jacques E; Smit, JC; McDonald, Andre M; Baker, CJ; Woodbridge, KDate:Oct 2012This paper addresses the prediction of the maximum recognition performance of a radar for a predetermined set of targets and radar waveforms. Use is made of the information theoretic concept of mutual information (MI) to perform this analysis. ...Read more
Author:Tlotleng, Monnamme; Lengopeng, T; Pityana, Sisa LDate:Oct 2016Titanium aluminide intermetallics are very brittle at room temperature, hence they are challenging to fabricate even by conventional manufacturing techniques such as casting and forging. The production of TiAl from elemental powders using ...Read more
Author:Komba, Julius J; O'Connell, Johannes S; Paige-Green, PDate:Jul 2014The overall performance of an asphalt mix is dependent on, amongst others, the properties of the constituent materials, which include aggregate, binder and filler. The aggregate for production of asphalt mixes is usually sourced from a quarry, ...Read more
Author:King, DJ; Ssamula, BDate:Jul 2008The Gautrain rapid rail link is seen as a flagship public transport project of national importance to act as a catalyst to promote public transport in a holistic fashion in South Africa. The success of the Gautrain will largely depend on the ...Read more
Author:Omotola, EO; Genthe, B; Ndlela, Luyanda L; Olatunji, OSDate:Nov 2023Environmental effects of active pharmaceutical compounds (APCs) in the environment are not well characterized, hence the need for comprehensive evaluation. This study employed three bioassays using three organisms, namely, Allium cepa, Daphnia ...Read more
Author:Von Woff, WTEDate:1978In the last few years there has been a growing interest in the reactivity of low temperature coke and char towards carbon dioxide. The equation of Hedden, derived for the calculation of the reactivity of metallurgical coke containing negligible ...Read more
Author:Van Aswegen, GDate:Nov 2001The objective of the study was to determine whether there is a difference in the seismic response of the rockmass between 11-day mining cycle and full calendar operations - FULCO. A literature survey was useful to gain insight in the time ...Read more
Author:Nordengen, Paul A; Naidoo, OJDate:Apr 2014This paper describes the recent developments of an initiative to introduce meaningful self-regulation in the South African heavy vehicle transport sector using the Road Transport Management System (RTMS) standards. The RTMS standards require ...Read more
Author:Pandelani, Thanyani A; Reinecke, John D; Beetge, FDate:Jan 2010For troop mobility and safety during peacekeeping operations, protection against landmines is key. Vehicle landmine protection validation testing is an integral part of military equipment procurement process and serves as an important technical ...Read more
Author:Johannes, PT; Bahia, HU; Mturi, George AJDate:Oct 2019Slurry seals and micro-surfacing systems are widely used as primary surface treatments for extending pavement life and restoring the serviceability function of structurally adequate pavements. Beside their prevalent use, current test methods ...Read more
Author:Meyer, CF; Doyle, BA; Philips, HRDate:Sep 1994A working party under the auspices of the GME developed a set of guidelines for the ventilating of headings in collieries developed by mechanical miners. These guidelines also made provision for the used of jet fans. Because of the lack of ...Read more
Author:Kusangaya, S; Warburton Toucher, ML; Archer van Garderen, EmmaDate:Feb 2018Downscaled General Circulation Models (GCMs) output are used to forecast climate change and provide information used as input for hydrological modelling. Given that our understanding of climate change points towards an increasing frequency, ...Read more
Author:Fagbemi, Olajumoke D; Sithole, Bishop BDate:Sep 2021The present study investigate the beneficiation potential of extracted keratin protein hydrolysate from chicken feather waste biomass as bio-adhesive for the production of particleboard. Chicken feathers were hydrolyzed using hybrid alkaline ...Read more
Author:Obadele, A; Olubambi, PA; Pityana, Sisa L; Popoola, APIDate:Jul 2011In order to examine the microstructure and hardness behaviour of WC cermets, coatings have been obtained by laser surface alloying technique. WC-9Co-4Cr particulate was injected onto the surface of AISI 304L austenitic stainless steel (ASS) ...Read more