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
Author:Ndlela, Luyanda L; Schmidt, SDate:Feb 2016This study assessed faecal matter from three indigenous South African herbivores-zebra, giraffe and impala-as a potential source for hydrolytically active aerobic and facultatively anaerobic bacteria. Herbivore droppings were collected freshly ...Read more
Author:Visser, MM; Van Biljon, JA; Herselman, Martha EDate:Mar 2017Background: Case studies are core constructs used in information management research. A persistent challenge for business, information management and social science researchers is how to select a representative sample of cases among a population ...Read more
Author:Strydom, FW; Funke, Nicola S; Nienaber, S; Nortje, Karen; Steyn, MaronelDate:Apr 2010The process of facilitating the uptake of evidence, for example, scientific research findings, into the policymaking process is multifaceted and thus complex. It is therefore important for scientists to understand this process in order to ...Read more
Author:Scott, L; Vogel, JCDate:Nov 2000C-13/C-12 ratios in plants depend on factors like temperature, evaporation or seasonal moisture distribution. Fluctuations of C-13/C-12 in Procavia capensis (hyrax) dung samples from different vegetation zones and various ages over the last ...Read more
Author:Ansorge, IJ; Jackson, JM; Reid, K; Durgadoo, JV; Swart, S; Eberenz, SDate:Sep 2015Mesoscale eddies and meanders have been shown to be one of the dominant sources of flow variability in the world s ocean. One example of an isolated eddy hotspot is the South-West Indian Ridge (SWIR). Several investigations have shown that ...Read more
Author:Strydom, WF; Esler, KJDate:Nov 2008A 2007 study in randomly-selected schools in the Buffalo (group B), Hartenbos and Klein Brak (group H) catchments determined how effectively State-of-Rivers (SoR) communication materials had been used in the education system of grades 1 to ...Read more
Author:Thwala, Melusi; Musee, N; Wepener, V; Nota, NDate:Apr 2012The toxicity of engineered nanoparticles towards macro algae and higher aquatic plants has not been well studied. This knowledge gap challenges the development of nano risk assessment towards water ecosystems. In this study, we investigated ...Read more
Author:Oosthuizen, MA; John, J; Somerset, VernonDate:01 Sep 2010South Africa relies mainly on coal for its energy needs. In addition, the country is one of the main producers of gold. Both coal combustion and gold mining are sources of mercury pollution, contributing to South Africa being one of the leading ...Read more
Author:Ramond, JB; Lako, JDW; Stafford, William HL; Tuffin, MI; Cowan, DADate:Feb 2015Ammonia-oxidizing bacteria (AOB) are essential in the biogeochemical cycling of nitrogen as they catalyze the rate-limiting oxidation of ammonia into nitrite. Since their first isolation in the late 19th century, chemolithoautotrophic AOBs ...Read more
Author:Van Wilgen, BDate:2012The Table Mountain National Park is a 265 km2 protected area embedded within a city of 3.5 million people. The park contains an extremely diverse flora with many endemic species, and has been granted World Heritage Site status in recognition ...Read more
Author:Van Heerden, Quintin; Van Vuuren, JDate:Dec 2022Sustainable development is at the heart of city planning, and urbanisation plays a central role in achieving the Sustainable Development Goals. Urbanisation, however, is interlaced with existential challenges such as climate change. The ...Read more
Author:Funke, Nicola S; Shaxson, L (ed); Bielak, AT (ed)Date:Mar 2009This handbook summarises the background behind, format of and lessons learned from a Collaborative Workshop on Evidence-based Policy-making that was held in November 2008. The workshop was organised by CSIR and funded by the UK's Department ...Read more
Author:Roux, FS; Wellens, T; Shatokhin, VDate:Jun 2015Recently, an infinitesimal propagation equation was derived for the evolution of orbital angular momentum entangled photonic quantum states through turbulence. The authors will discuss its derivation and application within both classical and ...Read more
Author:Duvenhage, A; Terblanche, LDate:Jun 2008Live, Virtual and Constructive (LVC) simulations can share tactical awareness data using command and control (C2) protocol gateways as bridges: Multiple training simulations can be linked to create large scale collaborative environments; ...Read more
Author:de Waal, ADate:Jun 2006The aim of this study is to evaluate the discovery of temporal themes in a text stream. The authors evaluate a probabilistic model for unsupervised learning to solve the problem and a scheme for theme evolution visualisation is proposed. The ...Read more
Author:Veerasamy, NamoshaDate:Mar 2022A Cybersecurity Operation Centre (SOC) is a centralized hub within an organisation that houses people, processes, and technologies aimed at continuous monitoring of the organization’s assets in order to prevent, detect, analyse, and respond ...Read more