Author:Edwards, A; Franz, RM; Schutte, PC; Steenkamp, TDate:Jan 2010Proactive evaluation and management of risks associated with exposure to combinations of occupational health stressors requires information on the impacts of individual stressors, as well as their cumulative and combined impacts. The harsh ...Read more
Author:Edwards, ADate:Apr 2011Workplace stress in the mining environment will affect health and safety outcomes in the workforce that could result in accidents and injuries, as well as poorer worker health. Increased knowledge of the specific characteristics and incidence ...Read more
Author:Makoana, Nkutwane W; Moller, Heinrich; Louw, Danie; Yadroitsev, IDate:Sep 2017High laser powers of up to 1500W were used to additively manufacture 17-4PH samples. Porosity was measured using the image analysis technique, and all samples are fairly dense with a maximum of 0.42 percent porosity.Read more
Author:Ngassam, EK; Ntawanga, F; Kandie, WDate:Sep 2010The current expansion of mobile technologies penetration and usage in emerging regions represent an opportunity for leveraging ICT applications adoption by rural communities. Businesses nowadays utilise this opportunity to implement m-commerce ...Read more
Author:Lysko, Albert A; Van Belle, J-P; Budree, ADate:Aug 2019This paper proposes an initial rough model to evaluate the economic impact created by provision of Internet connectivity in an educational setting in a developing country. The research is based on three Television White Space technology (TVWS) ...Read more
Author:Roos, TH; Harms, TMDate:May 2016A new volumetric receiver concept has been investigated, based on an adaptation of the spectrally selective, two-slab packed bed volumetric receiver concept of Flamant et al. Both slabs comprise spheres of identical size – borosilicate for ...Read more
Author:Wolfaardt, C; Buys, JGDate:Aug 1971A technique for manufacturing double-jersey fabrics containing low percentages of a synthetic component, is proposed.Read more
Author:Hunter, L; Smuts, SDate:Jul 1978In practice, many tests are carried out on fabrics in an attempt to predict their durability and wear performance. The present report deals with a survey conducted on the physical properties of a wide range of commercial woven fabrics in ...Read more
Author:Darazs, M; Clark, DDate:1976A literature survey has been carried out. Investigation into the growth of phosphatic deposits, using the Institute's experimental boiler plant, are reported.Read more
Author:Van Doornum, GAWDate:1955Testing of the following motor spirits: Synthetic petrol no 22, 24 ,82, 93 and Normal commercial motor spirit to establish any significant difference in operation in a normal motor - car engine that might be expected.Read more
Author:Hunter, L; Smuts, SDate:Apr 1974The variation in surface irregularity, measured by means of a status lightly resting on and transverse along the fabric surface as well as the variation in transmitted light measures by means of a photodensitometer, of single jersey fabrics ...Read more
Author:Reynolds, SC; Vogel, JC; Clarke, RJ; Kuman, KADate:May 2003Recent excavations of undisturbed deposits within the Lincoln Cave, Sterkfontein, have conclusively demonstrated that at least one of the deposits is mid-late Pleistocene in age. The artefacts recovered from this excavation are in a datable ...Read more
Author:Van Doornum, GAW; Petrick, ATDate:1961Experimental work on a pilot plant Drewboy washer having a nominal feed capacity of 20 t.p.h is discussed in this report.Read more
Author:Bergh, AO; Kleyn, EG; Mckay, AHDate:Jul 2008Berea Red sands occur in abundance on the eastern seaboard of KwaZulu-Natal and Mozambique. The material is of Aeolian origin and is seldom used as base and sub-base material in the region, even on lightly trafficked roads. The main reasons ...Read more
Author:Sorgnit, HTDate:1968Research conducted at the FRI on the smokeless combustion of bituminous coal in small appliances has been aimed at the development of a cooking stove suitable for Bantu housing.Read more
Author:Esterhuizen, GSDate:Jan 1994The mechanism of most seismic events is shear displacement along geological faults. Seismicity occurs if the slip takes place violently and kinetic energy is released into the surrounding rock. The rock surrounding the fault plane may be seen ...Read more