Author:Fernandes, PJLDate:Mar 1998Examination of a fifth wheel coupling which had failed in service showed that it had been modified and that the operating handle had been moved from its original design position. This modification completely eliminated the safety device ...Read more
Author:Maneylaws, A; Norman, G; von Glehn, FHDate:Dec 1997An extensive literature review of international work of mining equipment noise control has been carried out. The sources of noise on percussion rock drills, continuous miners, dust scrubbers and fans, long wall machinery and trackless vehicles ...Read more
Author:Momba, MNB; Cloete, TE; Venter, SN; Kfir, RDate:Sep 1999Groundwater was treated with chlorine and chloramine to study the incorporation and survival of Escherichia coli (E. coli) in developing biofilms in laboratory-scale units. Membrane filter and standard spread plate procedure were used to ...Read more
Author:Afachao, K; Abu-Mahfouz, Adnan MIDate:Jun 2023The Internet of Things (IoT) is the cutting edge of computing technology that connects things and integrate them into large ecosystem. Recently, the Edge Computing architecture is driving the rapid development of the Internet of Things (IoT). ...Read more
Author:De Frey, FSA; Handley, MF; Webber, RCWDate:Jan 2002De Frey in his report of mine design alternatives for the DEEPMINE project found that the small span small pillar (SSSP) concept, as a mining method for deep mines, from a rock engineering point of view, had certain positive advantages. The ...Read more
Author:Botha-Badenhorst, Danielle P; Veerasamy, NamoshaDate:Apr 2023Globally, women are underrepresented in the fields of Science, Technology, Engineering and Mathematics (STEM). In Sub-Saharan Africa (SSA), this underrepresentation is even more prevalent, as fewer women pursue STEM careers in SSA when compared ...Read more
Author:Van Aardt, JAN; Wynne, RHDate:Jan 2007Three southern USA forestry species, loblolly pine (Pinus taeda), Virginia pine (Pinus virginiana), and shortleaf pine (Pinus echinata), were previously shown to be spectrally separable (83% accuracy) using data from a full-range spectro-radiometer ...Read more
Author:Robinson, TP; Harris, RS; Hopkins, JS; Williams, BGDate:Jun 2002In many African countries where both Government resources and donor aid for the control of tsetse-transmitted trypanosomiasis are declining, there is an increasing need to identify areas where intervention is most likely to be technically, ...Read more
Author:Letcher, TM; Govender, PUDate:Dec 1997The excess molar volumes V-m(E) {x(CH3OH or CH3CH2OH or CH3(CH2)(2)OH or CH3CH(OH)CH3 + (1 - x)(CH3(CH2)(2)}(2)O or CH3C(CH3)(2)OCH3 or CH3CH2C(CH3)(2)OCH3} have been calculated from measured values of density over the whole composition range ...Read more
Author:Bell, Lebohang T; Hasnaoui, A; Ait-Ameur, K; Ngcobo, SandileDate:Sep 2017In this paper, we experimentally demonstrate selective excitation of highradial-order Laguerre-Gaussian (LGp or LGp;0) modes with radial-order, p = 1 - 4 and azimuthal-order, l = 0, using a diode-pump solid-state laser (DPSSL) that is digitally ...Read more
Author:Loveday, Philip WDate:Jan 2006Piezoelectric patch actuators are employed for monitoring the health of structures and for performing active control of vibration. When the structure is long, slender and has constant cross-section, such as a pipe, rail or rod, it can be ...Read more
Author:Setshedi, Katlego Z; Bhaumik, M; Songwane, S; nyango, MS; Maity, ArjunDate:2013Exfoliated polypyrrole-organically modified montmorillonite clay nanocomposite (PPy OMMT NC), was prepared as a potential adsorbent, via in situ polymerization of pyrrole monomer for adsorption of toxic Cr(VI) from aqueous solution. The WAXD ...Read more
Author:Nel, JL; Reyers, B; Roux, DJ; Cowling, RMDate:Aug 2009There has been very little consideration of freshwater ecosystems in identifying and designing protected areas. Recent studies suggest that protected areas hold enormous potential to conserve freshwater biodiversity if augmented with appropriate ...Read more
Author:Hadley, TD; North, Brian CDate:2005The CSIR has had a strong drive in fluidised bed technology for over two decades. During this period collaboration has been fostered with numerous partners and clients. By being able to draw on their resources, skills, test and other facilities, ...Read more
Author:Hadley, TD; North, Brian CDate:Feb 2006The CSIR has had a strong drive in fluidised bed technology for over two decades. During this period collaboration has been fostered with numerous partners and clients. By being able to draw on their resources, skills, test and other facilities, ...Read more
Author:Mamushiane, Lusani; Lysko, Albert A; Mwangama, J; Kobo, Hlabishi I; Otieno, HODate:Aug 2023The adoption of 5G technology in Africa has been increasing steadily, with initial emphasis on non-standalone (NSA) architecture to leverage existing 4G investments and accelerate return on investment. The uptake of standalone (SA) 5G has ...Read more
Author:Mitchell, MF; Semmelink, CJ; McQueen, ALDate:Jun 1977For some time road engineers have been concerned that the variability inherent in road construction materials and their sampling and testing has not been logically and consistently catered for in the road construction process or in construction ...Read more