Author:Mpanza, Z; Nyembwe, D; Nel, HDate:Jul 2013In 2007 alone, twenty six foundries were closed down when the castings industries directory was released. A high scrap rate due to a lack of quality management is one of the root causes of low productivity and low profits, resulting in closures. ...Read more
Author:Kupfer, S; Santamaria-Aguilar, S; Van Niekerk, Lara; Lück-Vogel, MelanieDate:Jan 2022Recent studies have drawn special attention to the significant dependencies between flood drivers and the occurrence of compound flood events in coastal areas. This study investigates compound flooding from tides, river discharge (Q), and ...Read more
Author:Chunilall, Viren; Bush, T; Erasmus, RMDate:Mar 2012The changes in lignocellulosic composition of four hardwoods, i.e. Eucalyptus grandis camaldulensis (E. gc), E. grandis urophylla (E. gu), E. dunnii and E. nitens during different delignification processes were investigated using confocal ...Read more
Author:Rossouw, M; Theron, AKDate:Jul 2009This paper gives an overview of the present investigation on the wave climate around the South African coast and possible trends therein, due to climate change effects on the oceans. Preliminary findings indicate that there may be long-term ...Read more
Author:Madonsela, Sabelo; Cho, Moses A; Ramoelo, Abel; Mutanga, ODate:Jun 2021The emergence of the spectral variation hypothesis (SVH) has gained widespread attention in the remote sensing community as a method for deriving biodiversity information from remotely sensed data. SVH states that spectral heterogeneity on ...Read more
Author:Boodhraj, Kirodh; Vichi, M; Smit, Jacoba EDate:Sep 2017A one-dimensional ocean physical model was implemented in the sub-Antarctic Southern Ocean using the Nucleus for the European Modelling of the Ocean (NEMO) model. It was used to examine the effects of the turbulence response of the simulation ...Read more
Author:Focke, RWDate:Feb 2015The findings presented in this thesis support the hypothesis that Interval Algebra (IA), as a temporal reasoning language, should perform scheduling of sensor dwells efficiently and effectively. Scheduling of multistatic radars was identified ...Read more
Author:Mokoena, Refiloe; Motau, T; Mturi, George AJDate:Sep 2021Isothermal calorimetry is a useful technique for studying the cement hydration process that measures the heat flow of cement paste during hydration. Standard cement properties, such as compressive strength, setting times and compatibility can ...Read more
Author:Thobakgale, Setumo L; Ombinda-Lemboumba, Saturnin; Mthunzi-Kufa, PatienceDate:Feb 2019Nonessential amino acids (NEAAs) are the building blocks for producing proteins of various functionalities within living systems. For example, from NEAAs, humans produce proteins that are important for cell repair, cell division and synthesis ...Read more
Author:Smollen, M; Kafaar, ADate:1997The principal objective of this work is to provide a more effective alternative for sludge conditioning prior to mechanical dewatering. The common use of polyelectrolytes often results in the anal cake solids concentration not sufficiently ...Read more
Author:Brent, AC; Pretorius, MWDate:Jun 2009The desire to improve the quality of life has driven research and development (R&D), and as a result technology. However, it has been noted that global R&D problems are, still, not well structured, and there are no unique solutions for the ...Read more
Author:Von Solms, SDate:Aug 2015The use of debit and credit cards has become indispensable to consumers worldwide. This cashless method of payment offers flexibility and convenience. It eliminates the safety risk of carrying large cash amounts in person and cards can be ...Read more
Author:Venter, Karien; Labuschagne, FJJ; Le Roux, M; Cloete, GDate:Jul 2013The N3 Toll Concession (Pty) Ltd (N3TC) manages the 420 km of the N3 Route between Heidelberg (Gauteng) and Cedara (KwaZulu-Natal) on behalf of SANRAL. The N3 Route is described as one of the busiest roads in South Africa linking the port of ...Read more
Author:Venter, Karien; Labuschagne, FJJ; Le Roux, M; Cloete, GDate:Jul 2013The N3 Toll Concession (Pty) Ltd (N3TC) manages the 420 km of the N3 Route between Heidelberg (Gauteng) and Cedara (KwaZulu-Natal) on behalf of SANRAL. The N3 Route is described as one of the busiest roads in South Africa linking the port of ...Read more
Author:Anochie-Boateng, Joseph; Mvelase, Gculisile MDate:Jul 2019Flat and elongated particle ratio is a shape characteristic for coarse aggregates used in pavements. The ASTM D 4791 is the standard test method to determine flat and elongated coarse aggregate particles in asphalt mixes. However, this method ...Read more
Author:Clark, D; Darazas, MDate:1978During the investigation, three methods of preheating the green coal in the guillotine door area of the stoker have been tried. One of these has proved successful. In addition, a series of preliminary laboratory tests have been carried out ...Read more
Author:Theron, Marita; Van Rooyen, Corney; Malabi, Khorommbi PDate:May 2020Forming dies used in the automotive industry are shaped as such that they impart a predetermined contour or a profile to the workpiece. Due to subsequent assembly requirements of sheet-formed body structure components, the dimensional accuracy ...Read more