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
Author:Van der Walt, PJDate:1952A detailed study was made of the various tine coal cleaning processes and it was finally concluded that the cyclone washer was the only known process which showed promise of solving the formidable washing problem.Read more
Author:Johakimu, Jonas K; Bush, TDate:Sep 2010Under the current mill refining practices, the mill is introducing too much refining energy into the fibre. The lower levels of freeness for the accept samples (18 vs. 90 CSF ml required) and the higher amounts of fines confirms this (Table ...Read more
Author:Johakimu, Jonas K; Bush, TDate:Mar 2010The main focus of this work was to evaluate an opportunity for product quality and refining energy efficiency improvement through assessing the current mill practices in South African TMP mills. The fractionation trials were conducted at a ...Read more
Author:Rebelo, AGDate:1987This preliminary synthesis was designed to promote an understanding of pollination as a process in the Cape flora by summarizing the literature, outlining patterns and processes, and identifying gaps in knowledge. Various aspects of pollination ...Read more
Author:Rebelo, AGDate:1987This preliminary synthesis was designed to promote an understanding of pollination as a process in the Cape flora by summarizing the literature, outlining patterns and processes, and identifying gaps in knowledge. Various aspects of pollination ...Read more
Author:Mgangira, Martin B; Paige-Green, PDate:Nov 2008This paper discusses a typical example of the distress experienced by a flexible pavement constructed over black clay soil, also commonly known as black cotton soil, where minimal precautionary measures were implemented. Black cotton soils ...Read more
Author:Motshekga, SC; Ray, SS; Onyango, MS; Momba, MNBDate:Jul 2015This study was conducted to develop novel chitosan nanocomposites and to optimize the minimum amount and contact time required to achieve complete inactivation of bacteria in water. Gram-negative Escherichia coli and Gram-positive Enterococcus ...Read more
Author:Ngulube, T; Gumbo, JR; Masindi, Vhahangwele; Maity, ArjunDate:May 2019Nanoparticles have novel characteristics enabling them to efficiently decontaminate water hence the application of nanotechnology in wastewater treatment is being widely explored to tackle water pollution challenges. Industries are in a quest ...Read more
Author:Zheng, Haitao; Petrik, L; Mathe, Mahlanyane KDate:Apr 2010The first instance synthesis of porous poly(2,5benzimidazole) (ABPBI) membranes using sodium dodecyl sulfate (SDS) surfactants as templates is reported. The membranes were characterised by SEM, TGA, DSC and tensile tests. The tensile test ...Read more
Author:Pityana, Sisa L; Seleka, TS; Kruger, Johannes C; Moodley, MK; Rampedi, DL; Labuschagne, KDate:2006The success in keeping carbon nanotubes (CNT) bonded to stainless steel provides a possible method for the preparation of CNT-metal composites. Alternative methods for the preparation of CNT-metal composites include hot pressing, sintering, ...Read more
Author:Modibedi, Remegia M; Masombuka, T; Mohlala, M; Mathe, Mahlanyane KDate:Nov 2007The development of high performance electrode materials has been the key research objective in the field of direct alcohol fuel cells (DAFC) [1, 2, and 3]. A promising way to attain higher catalytic performance is to add a third element to ...Read more
Author:Roro, Kittessa T; Tile, N; Forbes, ADate:Apr 2012Nanocomposite materials have wide range of applications in solar energy conversion. In this work, C/NiO nanocomposite solar energy absorbing surfaces were prepared using sol-gel synthesis and deposited on aluminium substrates using a spin ...Read more