Author:Durrheim, RJ; Haile, A; Roberts, MKC; Schweitzer, JK; Spottiswoode, SM; Klokow, JWDate:15 Apr 1998The violent failure of a peninsular remnant at a depth of 2300 m below surface occurred in a mine in the Carletonville Goldfield of South Africa, severely damaging a stope mining the Ventersdorp Contact Reef (VCR). At the rockburst site the ...Read more
Author:Padayachee, I; Van der Merwe, A; Kotzé, PaulaDate:Dec 2015In higher education institutions various VLSs have been formally adopted to support online teaching and learning. However, there has been little research on patterns of VLS use among educators. The purpose of the research was to provide a ...Read more
Author:Nupen, EMDate:Jun 1974This paper attempts to assess the present and future needs for such waters and the virus risk involved in their usage.Read more
Author:Bandyopadhyay, J; Al-Thabaiti, SA; Ray, SS; Bousmina, MDate:Mar 2014The carbon nanotubes (CNTs)-containing composites of poly(butylene succinate) (PBS) were prepared by melt-blending in a batch mixer with three concentrations by weight of CNTs: 1, 2 and 3 %. State of dispersion-distribution of the CNTs in the ...Read more
Author:John, Maya J; Jacob John, Maya; Jose, S; Varughese, KT; Thomas, SDate:2009This study explores the dynamic mechanical behavior of woven sisal fabric reinforced natural rubber composites. The influence of chemical modification on the viscoelastic properties has also been determined. Moreover, the effect of frequency ...Read more
Author:Al-Thabaiti, SA; Ray, SS; Basahel, SN; Mokhtar, MDate:Mar 2015This article reports the viscoelastic properties of poly[(butylene succinate)-co-adipate] (PBSA) nanocomposites. The nanocomposites of PBSA with various loadings of organically modified clay were prepared by melt-mixing in a batch-mixer. The ...Read more
Author:Napier, JAL; Malan, DFDate:Oct 1997A model is proposed for the direct mechanistic simulation of seismic activity and stress transfer effects in deep level mines. The model uses a discontinuum viscoplastic formulation to relate the rate of slip on a crack to the shear stress ...Read more
Author:Thabethe, S; Linganiso, E; Motaung, D; Mashapa, MG; Nkosi, S; Arendse, CJ; Mwakikunga, Bonex WDate:Nov 2013The procedures for the synthesis of amorphous e-FeSi/Si core–shell nanofibres by vapour transport in a CVD configuration are reported. Crystallite studies by the Williamson-Hall method show the sizes to be typically about 8.0 nm which agrees ...Read more
Author:Mukwevho, N; Kumar, Neeraj; Fosso-Kankeu, E; Waanders, F; Bunt, J; Ray, Suprakas SDate:Sep 2019In this study, ZnO/g-C(sub3)N(sub4) heterostructure was synthesized with enhanced photodegradation potential for polycyclic aromatic hydrocarbons (PAHs) (viz. naphthalene) in water using visible light. The as-prepared catalysts were characterized ...Read more
Author:Dawlal, Pranitha; Brabet, C; Thantsha, MS; Buys, EMDate:Jan 2019Consumption of fumonisin-contaminated foods has a negative influence on the health of humans (carcinogen; oesophageal cancer in Eastern Cape in South Africa). Lactic acid bacteria (LAB) have emerged as a promising natural detoxification agent ...Read more
Author:Simo, A; Mwakikunga, Bonex W; Sone, BT; Julies, B; Madjoe, R; Maaza, MDate:May 2014Mott-type VO(sub2) oxide nanobelts are demonstrated to be effective hydrogen gas sensors at room temperature. These nanobelts, synthesized by hydrothermal process and exhibiting the VO(sub2) (A) crystallographic phase, display room temperature ...Read more
Author:Kganyago, KR; Ngoepe, PE; Catlow, CRADate:01 Mar 2003A systematic computational investigation of the new Chevrel phase, MgxMo6S8 for 0<=x<=2, a candidate for a high-energy density cathode in prototype rechargeable magnesium (Mg) battery systems is performed. A study within the framework of both ...Read more
Author:Adekunle, AS; Ozoemena, KIDate:Dec 2010The electron transfer and electrocatalytic proiperties of iron oxide nanoparticle (g-Fe2O3) catalysts supported on MWCNTs are described. The MWCNT-Fe2O3 and its electrodes were successfully characterised with FESEM, HRTEM, XRD, EDX, cyclic ...Read more
Author:Barnard, E; Wissing, DDate:2008For the development of Human Language Technologies such as automatic speech recognition systems or text-to-speech systems, exact acoustic and phonological information of the language in question is essential. In the case of Southern Sotho, ...Read more
Author:Jonas, Z; Rouget, M; Reyers, B; Mohamed, B; Rutherford, MC; Mucina, L; Powrie, LWDate:2006Humans have transformed almost half of the world's land surface area into agriculture and urban systems. The most severe biodiversity loss occurs when a natural ecosystem is converted to an artificial system. This does not only affect ecosystems ...Read more
Author:John, J; Das, SonaliDate:Mar 2012In this study, the relationship between certain household traits and specific environmental health outcome variables was explored in a low-income community from a peri-urban settlement in eMbalenhle, South Africa, with the aim of locating ...Read more
Author:Van Niekerk, Lara; Lamberth, SJ; James, NC; Taljaard, Susan; Adams, JB; Theron, AK; Krug, MDate:Aug 2022This review evaluates the vulnerability of South African estuaries to Climate Change in a data-limited environment. The regional-scale assessment is based on physical characteristics and predicted/measured changes in the abiotic drivers and ...Read more
Author:Viljoen, NM; Joubert, JWDate:Nov 2016Using complex network theory to describe the relational geography of maritime networks has provided great insights regarding their hierarchy and evolution over the past two decades. Unlike applications in other transport fields, notably air ...Read more