Author:Razdolescu, AC; Broda, R; Cassette, P; Simpson, BRS; Van Wyngaardt, WMDate:Oct 2006The paper summarizes the IFIN-HH triple coincidence liquid scintillation counter used for the implementation of the TDCR method. The electronic unit was recently extended to record the three individual double coincidence ratios to take into ...Read more
Author:Roberts, JW; Van Aardt, JAN; Ahmed, FBDate:Jan 2011This research explores the potential benefits of fusing active and passive medium resolution satellite-borne sensor data for forest structural assessment. Image fusion was applied as a means of retaining disparate data features relevant to ...Read more
Author:Mdakane, Lizwe W; Kleynhans, WaldoDate:Jun 2017Oil slick events caused due to bilge leakage/dumps from ships and from other anthropogenic sources pose a threat to the aquatic ecosystem and need to be monitored on a regular basis. An automatic image-segmentation-based framework to detect ...Read more
Author:Twala, BV; Sewell, BT; Jordaan, JDate:Mar 2012The use of enzymes in industrial applications is limited by their instability, cost and difficulty in their recovery and re-use. Immobilisation is a technique which has been shown to alleviate these limitations in biocatalysis. Here we describe ...Read more
Author:Pandelani, Thanyani A; Sono, TJ; Reinecke, John D; Nurick, GNDate:Jun 2016Anti-Vehicular Landmine or under-belly Improvised Explosive Device (IED) or even a side-attack IED are found to be one of the major threats for military vehicles and their occupants. The lower extremities of the occupants are very prone to ...Read more
Author:Walwyn, D; Scholes, RJDate:May 2006The increasing shift towards external contract research income (in contrast to grant income) as the primary means of funding public research institutions and universities has extracted a high toll on these institutions and on their stakeholders. ...Read more
Author:Allan, DG; Harrison, JA; Navarro, RA; Van Wilgen, BW; Thompson, MWDate:Feb 1997Bird-atlas data were used in conjunction with information on the extent of commercial afforestation with alien trees in Mpumalanga Province, South Africa, to assess the effect of afforestation on the avifauna of this region. Ninety species ...Read more
Author:Mathoho, I; Akinlabi, ET; Arthur, Nana KK; Tlotleng, MonnammeDate:Aug 2020This study investigated the influence direct energy deposition (DED) process parameters have on the metallurgical characteristics (porosity, microstructural evolution, microhardness, and corrosion behavior) of 17−4 PH stainless steel powder. ...Read more
Author:Arnold, Kathryn A; Le Roux, Alize; Hattingh, MDate:Aug 2017The core objective of this study was to analyse the impact of three Gautrain stations on real estate in the City of Johannesburg, looking specifically at how the Sandton, Rosebank and Midrand stations affected property prices and sales activity ...Read more
Author:Ramjee, G; Williams, B; Gouws, E; Van Dyck, E; De Deken, B; Karim, SADate:01 Jul 2005This study investigated the impact of prevalent and incident HSV-2 infection on the incidence of HIV-1 infection in a cohort of female commercial sex workers in KwaZulu-Natal, South Africa. Prior to a vaginal microbicide trial, 416 women were ...Read more
Author:Le Maitre, David C; Versfeld, DB; Chapman, RADate:Jul 2000The impacts of the widespread invasions by alien plants in South Africa are increasingly recognised. Most of the past concern has been about the impacts on conservation areas, other areas of natural vegetation and on agricultural productivity. ...Read more
Author:Preston, IR; Le Maitre, David C; Blignaut, JN; Louw, L; Palmer, CGDate:Oct 2018We analyse the impact of failing to control invasive alien plants (IAPs) on the water supply to the Berg River and De Hoop Dams, in other words, the opportunity cost of not clearing IAPs in these two catchments. To do this we used models to ...Read more
Author:Mathole, K; Ndarana, T; Beraki, Asmerom F; Landman, WADate:2014We conducted a comparison of trends in lower stratospheric temperatures and summer zonal wind fields based on 27 years of reanalysis data and output from hindcast simulations using a coupled ocean atmospheric general circulation model (OAGCM). ...Read more
Author:Brent, AC; Hietkamp, SDate:Sep 2006In a letter to the editor, the authors comment on BA Steen's article on "Abiotic Resource Depletion: different perceptions of the problem with mineral deposits" published in the special issue of the International Journal of Life Cycle Assessment, ...Read more
Author:Osifeko, MO; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Aug 2022Vehicular Ad Hoc Network (VANET) is a type of network that facilitates communication between vehicles usually on highways or in any environment with vehicular traffic such as a parking space. The dynamic nature of vehicular movements makes ...Read more
Author:Mokgeseng, TA; Malik, Humna H; Pretorius, JHCDate:May 2021The research solely focuses on Municipal leadership. It delves into the technical, analytical and leadership skills required in adopting the technology transfer in the case of Metropolitan Municipalities in Gauteng, South Africa. Five such ...Read more
Author:Bandyopadhyay, J; Ray, SS; Scriba, Manfred R; Malwela, TDate:Jul 2012The impact of nanoclay on the isothermal crystal growth kinetics and morphology of biodegradable poly(ethylene succinate) (PES) is reported. A PES composite (PESNC) containing 5 wt% organically modified montmorillonite, was prepared via solvent ...Read more