Author:Bensadek, D; Chen, W; Jordaan, J; Gerber, I; Lamont, DDate:Jun 2011A series of novel emulsion based supports MagReSynTM TiO2 (A-D) were evaluated using 32P labelled phosphopeptides and nano LC-MS/MS. The performance of MagReSynTM TiO2 (D) was found to be significantly better in terms of selectivity and ...Read more
Author:Botha, J; Eloff, MM; Swart, IDate:Mar 2015The recent adoption of the privacy law, Protection of Personal Information (PoPI) Act in South Africa, mandates notable changes from both government departments and the public sector when dealing with personal identifiable information (PII). ...Read more
Author:Vogel, F; Steyn, WJvdMDate:Mar 2000The report focuses on aspects such as possible wireless data transmission, standardization and mesurement methodologies and sensor technology. Various avenues are explored for the development of sensors while new emerging technologies that ...Read more
Author:Kohler, E; Harvey, JT; Du Plessis, L; Theyse, HLDate:Oct 2008Precast slabs are considered an attractive pavement option for rehabilitation or reconstruction cases where traffic closures of less than eight hours are required. Benefits include long life expectancy of concrete cast in factory-controlled ...Read more
Author:Dedekind, MO; Harris, LEDate:03 Jan 1996A case study of certain gas turbine stator vanes which fail prematurely is presented, with a view to determining whether operational procedure might have caused the failures. The engines had been operated from a ‘hot-and-high’ environment, ...Read more
Author:Smit, EDate:Oct 2012The Surrogate Lower Leg (SLL) accurately represents the behaviour of the Human Lower Leg during anti-personnel blast mine detonations. The SLL also incorporates a Developmental Sensor System capable of measuring shock progression within the ...Read more
Author:Bogaers, Alfred EJ; Kok, S; Reddy, BD; Franze, TDate:Sep 2016The design of coupling algorithms for partitioned fluid–structure interaction (FSI) simulations are typically validated on FSI problems involving large deformations of thin elastic structures with large added mass ratios. A large number of ...Read more
Author:Badou, DF; Kapangaziwiri, Evison; Diekkrüger, B; Hounkpè, J; Afouda, ADate:Oct 2017West Africa experienced severe drought during the 1970s and 1980s, posing a threat to water resources. A wetter climate more recently suggests recovery from the drought. The Mann-Kendall trend and Theil-Sen’s slope estimator were applied to ...Read more
Author:Jiba, Z; Snyman, IM; Shoke, L; Sono, TJDate:Sep 2016The purpose of this work is to evaluate sacrificial materials that can be used in the blast chamber during the detonation of encased charges. This paper details the evaluation of sacrificial materials arranged in an arena manner and the damage ...Read more
Author:Jacobs, Z; Wintle, AG; Duller, GATDate:May 2006In previous work the conventional Single aliquot regenerative protocol procedure has been demonstrated to work well for a large number of samples. Application of the conventional SAR procedure (but with a range of pre-heat temperatures) to ...Read more
Author:Schmidt, KM; Swart, S; Reason, C; Nicholson, Sarah-AnneDate:Dec 2017Surface ocean wind datasets are required to be of high spatial and temporal resolution and high precision to accurately force or be assimilated into coupled atmosphere–ocean numerical models and to understand ocean–atmospheric processes. In ...Read more
Author:Steyn, WJvdM; Bean, W; King, D; Komba, Julius JDate:Dec 2011The efficient operation of a country’s economy depends, among other things, on an efficient logistical system to ensure that goods can be transported efficiently between producers and users. The costs of logistics include aspects such as ...Read more
Author:Moller, Hein; Burger, Herman; Tlotleng, Monnamme; Yadroitsev, I; Makoana, Nkutwane WDate:Nov 2016In Selective Laser Melting, the initial units produced are single tracks that overlap to create a single layer; from the sequence of layers, a 3D object is manufactured. The properties of the parts produced by SLM depend heavily on the ...Read morecb
Author:Rust, FC; Coetser, K; Verhaeghe, Benoit MJADate:Aug 1992Large amounts of money are spent annually on sealing or overlaying cracked road pavements, however, the reflection of cracks through these materials is a problem experienced worldwide. In countries with well-developed road infrastructures ...Read more
Author:Ngcama, Lwando; Mostert, NDate:Nov 2021With the rapid increase in social media use in higher education institutions, social media policies and guidelines have generally been implemented by those institutions as a means to monitor and manage their staff and students’ social media ...Read more
Author:Fouché, Gerda; Eloff, JN; Wellington, Kevin WDate:2017Acaricides are commonly used to control ticks but are toxic, harmful to the environment and too expensive to resource-limited farmers. Traditionally, many communities in South Africa rely on a wide range of indigenous practices to keep their ...Read more
Author:Du Plessis, EM; Theron, J; Berger, E; Louw, MEDate:Nov 2007A phosphatase secreted by Staphylococcus aureus strain 154 has previously been characterized and classified as a new member of the bacterial class C family of non-specific acid phosphatases. As the acid phosphatase activity can be easily ...Read more
Author:Govender, G; Möller, HDate:2008In order for SSM forming to produce homogeneous properties in a casting, it is important that there is a uniform distribution of the primary grains. Besides producing a sound casting free of porosity, the amount of liquid segregation must be ...Read more
Author:Edwards, AL; Milanzi, LA; Khoza, NN; Letsoalo, MS; Zungu, LIDate:Jan 2015This study aimed to evaluate the current practices in relation to best practice criteria and make recommendations for improvements to noise-induced hearing loss (NIHL) awareness training in the South African mining industry. A survey tool ...Read more