Author:Den Heijer, ZMM; Swanepoel, OADate:1967Consumer surveys carried out in Europe have placed renewed emphasis on the desirability of having available on the market pure wool hand knitting yarns which would be suitable for washing in household machines.Read more
Author:Edwards, AL; Franz, RMDate:Mar 2009Noise-induced hearing loss (NIHL) can be prevented, but only by incorporating more proactive and innovative measures into our NIHL-prevention programmes. At present, direct and indirect costs to the mining industry resulting from occupational ...Read more
Author:Napier, MarkDate:Dec 2005The economic, social and spatial impacts of the national state housing programme in South Africa over the last ten years have been significant. And yet the ability of the programme to produce settlements which can be described as 'sustainable' ...Read more
Author:Richter, PW; Thomas, ME; Van Deventer, TDate:Aug 1999Solid freeform fabrication is a recent technology by which prototype devices can be manufactured layer by layer under computer control. This allows the production not only of individual devices of complex shape, but also objects with an ...Read more
Author:Thomas, ME; Richter, PW; Van Deventer, T; Crooks, J; Ripamonti, UDate:Aug 1999An improved strategy is described for the manufacture of macroporous hydroxyapatite bioceramics for bone substitute applications. This is based on a modified fugitive phase technique, which allows production of relatively open, high-strength ...Read more
Author:Pistorius, PC; Presoly, P; Tshilombo, GDate:Aug 2009Steel was sampled after calcium treatment at an industrial steel plant, and the inclusions identified by energy-dispersive X-ray microanalysis (EDX) on polished sections of the samples analysing the samples in a scanning electron microscope. ...Read more
Author:Pistorius, CP; Presoly, P; Tshilombo, KGDate:Aug 2006Calcium treatment of alumina inclusions, to convert the alumina to molten or partially molten calcium aluminates, is a well-established treatment for steel, to improve the castability of aluminium-killed steel. However, the role of magnesium ...Read more
Author:Chigondo, M; Paumo, HK; Bhaumik, M; Pillay, K; Maity, ArjunDate:Feb 2019Magnetic arginine-functionalized polypyrrole (Fe3O4@Arg-PPy) nanocomposite was fabricated by in-situ polymerisation of pyrrole (Py) monomer in the presence of arginine and Fe3O4 nanoparticles for toxic chromium(VI) ions removal from simulated ...Read more
Author:Hato, MJ; Choi, HJ; Sim, HH; Park, BO; Ray, SSDate:Feb 2011Soft magnetic carbonyl iron (CI) based magnetorheological (MR) fluids containing three different loadings of submicron-sized organoclay were prepared. The MR characteristics were measured via rotational and oscillatory tests, in which the ...Read more
Author:Roul, BK; Mishra, DK; Ray, M; Sahu, DR; Mishra, PK; Srinivasu, VV; Pradhan, AKDate:May 2009Micron size Fe3O4 powders were chemically prepared and processed by radio frequency (13.56 MHz) oxygen plasma irradiation technique at different elevated temperatures using low radio frequency (RF) power level. Low magnetic field RF superconducting ...Read more
Author:Latha, S; Selvamani, P; Palanisamy, SB; Thimiri Govindaraj, Deepak B; Thangavelu, PDate:Nov 2021The magnetic nanoparticles are said to be a class of nanoparticles or nanomaterials that can be manipulated by the help of externally applied magnetic field. These magnetic nanoparticles constitute materials such as nickel, cobalt, iron, and ...Read more
Author:Akande, AA; Rammutla, KE; Moyo, T; Osman, NSE; Nkosi, SS; Jafta, CJ; Mwakikunga, Bonex WDate:Feb 2015We report on the magnetic property of 0.67–WO3+0.33–VOx mixture film deposit on the corning glass substrate using the chemical sol–gel and atmospheric pressure chemical vapour deposition (APCVD) methods. The XRD and Raman spectroscopy confirm ...Read more
Author:Sheik, Muhammed; Segakweng, Tshiamo; Sekhuthe, Karabelo LDate:Nov 2023The Department of Mineral Resources and Energy estimates that the industrial sector is the largest consumer of energy in South Africa. Approximately 66% of energy end-use in industry is for heat generation during manufacturing. South African ...Read more
Author:Faling, WDate:Jul 2012This paper outlines a conference presentation on disaster resilience in South Africa. The paper presents disasters caused by the combination of a hazard and vulnerability. An emphasis on resilience, rather than just disaster response and ...Read more
Author:Goedhals-Gerber, LL; Stander, C; Van Dyk, FEDate:Aug 2017South Africa is among the top 10 fruit-exporting countries in the world. The South African fruit industry has identifi ed temperature breaks along the fruit export cold chain that result in the deterioration of fruit quality, loss of market ...Read more
Author:Konrad, T; Uys, HDate:Jan 2012Unsharp measurements allow the estimation and tracking of quantum wave functions in real time with minimal disruption of the dynamics. Here we demonstrate that high-fidelity state monitoring, and hence quantum control, is possible, even in ...Read more
Author:Nelles, EM; Dewar, J; Bason, ML; Taylor, JRNDate:May 2000The pasting of commercial maize starches was found to be a biphasic phenomenon, exhibiting an expected first viscosity peak as well as an unexpected, relatively large second viscosity peak under specific cooking conditions when using a Rapid ...Read more
Author:Oboirien, BO; Thulari, V; North, Brian CDate:Sep 2014This paper presents a detailed study on the effect of temperature on the concentration of 27 major and trace elements in bottom ash generated from oxy fuel-combustion. The major elements are Na, Mg, Al, K, Ca and Fe and the minor and trace ...Read more