Author:Oladele, DA; Markus, ED; Abu-Mahfouz, Adnan MIDate:Nov 2021Background: With the projected upsurge in the percentage of people with some form of disability, there has been a significant increase in the need for assistive mobility devices. However, for mobility aids to be effective, such devices should ...Read more
Author:Arabi, Sumaiya; Taljaard, Susan; Weerts, Steven PDate:Mar 2022Globally sustainable environmental practices in ports have been linked to socio-economic benefits. While African ports are increasingly acknowledging environmental issues and starting to address these in environmental policy, many are still ...Read more
Author:Robins, NS; Chilton, PJ; Cobbing, JEDate:Jan 2007Whilst groundwater vulnerability mapping and the delineation of resource and source protection zones have become an appropriate set of management tools for Britain as incorporated in European policy, much of semi-arid Africa is still dealing ...Read more
Author:Tizora, P; Le Roux, Alize; Mans, Gerbrand G; Cooper, Antony KDate:Sep 2018Models which integrate and evaluate diverse factors of Land Use and Land Cover (LULC) change can be used to guide planners in making more informed decisions and achieving a balance between urban growth and preservation of the natural environment. ...Read more
Author:Roux, DJ; Kleynhans, CJ; Thirion, C; Hill, Liesl; Engelbrecht, JS; Deacon, AR; Kemper, NPDate:Oct 1999The River Health Programme (RHP) is being designed to generate information regarding the ecological state of riverine ecosystems in South Africa. An adaptive assessment and management procedure is suggested as a means of linking the monitoring ...Read more
Author:Onumanyi, Adeiza J; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Feb 2020Some low power wide area network (LPWAN) developers such as Sigfox, Weightless, and Nwave, have recently commenced the integration of cognitive radio (CR) techniques in their respective LPWAN technologies, generally termed CR-LPWAN systems. ...Read more
Author:Luus, FPS; Van den Bergh, F; Maharaj, BTJDate:Jun 2014Multitemporal land-use analysis is becoming increasingly important for the effective management of Earth resources. Despite that, consistent differences in the viewing and illumination geometry in satellite-borne imagery introduce some issues ...Read more
Author:Suliman, Ridhwaan; Mtsweni, Jabu SDate:Jun 2022The SARS-CoV-2 pandemic has wreaked havoc globally, with over half a billion people infected and millions of lives lost. The pandemic has also interrupted every aspect of our lives, with most governments imposing various interventions and ...Read more
Author:Aramide, BP; Popoola, P; Sadiku, R; Jamiru, T; Pityana, Sisa LDate:Aug 2021Laser cladding is an additive manufacturing technology that can be utilized in surface strengthening, modification, and repair of components that are subjected to adverse working conditions. This can be accomplished by the addition of ...Read more
Author:Chae, HS; Piao, SH; Maity, Arjun; Choi, HJDate:Sep 2014Attapulgite (ATP), a fibrous nanoclay mineral, was adopted as an additive in this study to improve the sedimentation problem of soft magnetic carbonyl iron (CI)-based magnetorheological (MR) fluids caused by the density mismatch between the ...Read more
Author:Lotz, M; Brent, A; Steyn, HDate:2009Clean Development Mechanism (CDM) projects have additional technical, financial and regulatory requirements that are not fully addressed by classic project management approaches. Research has been done on individual novel concepts of the CDM, ...Read more
Author:Nyangiwe, Nangamso N; Ouma, Cecil NMDate:Mar 2020The nature of the interaction of low molecular weight natural organic matter (NOM) with the Ag (1 1 1) surface is of crucial importance in the environment. The low molecular weight organics used in this study are formic acid (FA), acetic acid ...Read more
Author:Pretorius, PJ; Linder, PWDate:Jul 2001Thermodynamic data for all fate-determining processes are needed in order to predict the fate and transport of metals in natural systems. The surface complexation properties of a synthetic MnO2, delta -MnO2, have accordingly been investigated ...Read more
Author:Tshwane, David M; Modiba, Rosinah; Govender, Gonasagren; Ngoepe, PE; Chauke, RDate:Jan 2021Adsorption of halogen on the metal surface has received much attention due to its technological applications and major relevance for material surface processing, corrosion protection and etching. In this work, first-principle approach was ...Read more
Author:Mittal, H; Kumar, V; Saruchi; Ray, Suprakas SDate:Aug 2016This research paper reports the utilization of gum xanthan-grafted-polyacrylic acid and Fe(sub3)O(sub4) magnetic nanoparticles based nanocomposite hydrogel (NCH) for the highly effective adsorption of methyl violet (MV) from aqueous solution. ...Read more
Author:Mittal, H; Maity, Arjun; Ray, SSDate:Jan 2015A biodegradable hydrogel polymer of gum ghatti (Gg) with a copolymer mixture of acrylamide (AAm) and acrylonitrile (AN) was synthesized using the free-radical graft copolymerization technique. The effect of graft copolymerization on the surface ...Read more
Author:Masindi, Vhahangwele; Gitari, WM; Pindihama, KGDate:Nov 2015The use of low-cost and locally available material in the treatment of wastewater has recently become an issue of interest, and magnesite as a low-cost material has been used for the removal of heavy metals in wastewater and has also shown ...Read more
Author:Tshwane, David M; Modiba, Rosinah; Govender, Gonasagren; Ngoepe, PE; Chauke, HRDate:Dec 2021Fluorine molecules and ions are used as an etchant for metal surface processing. The presence of fluorine significantly influences the electrochemical behaviour on a metal surface, which has major relevance for etching, corrosion, electro-catalysis ...Read more
Author:Anochie-Boateng, Joseph; Tutumluer, EDate:Sep 2014Oil sands are natural deposits of sand materials that are rich in bitumen. Limited studies have been conducted to determine the dynamic behavior of oil sand materials. Recent difficulties encountered in oil sand mine fields in Canada substantiated ...Read more