Author:Yenwong Fai, AS; Durrheim, RJ; Hildyard, MWDate:Sep 2012Mining-induced seismic events pose a serious risk to workers in deep mines. Accurate numerical simulations are useful in analyzing the problem and developing mitigation strategies. Here we tackle the problem of guided interfacial elastic wave ...Read more
Author:Loveday, Philip WDate:Jul 2012Cost-effective NDE of the vast length of aging railway track around the world remains a challenge for the community. Continuously welded rail is installed in tension but temperature changes can result in rail buckling if the initial tension ...Read more
Author:Loveday, Philip WDate:Apr 2012Cost-effective NDE of the vast length of ageing railway track around the world remains challenge for the community. Since continuously welded railway lines may be thought of as one-dimensional elastic waveguides, they are natural candidates ...Read more
Author:Loveday, Philip W; Wilcox, PDDate:Mar 2010Guided wave propagation has been proposed as a means to monitor the axial loads in continuously welded railway rails although no practical system has been developed. In this paper, the influence of axial load on the guided wave propagation ...Read more
Author:Musvoto, Constansia DDate:Aug 2017The CSIR has developed a guideline for implementing green economy projects in the agriculture sector. The guideline is available for use by agricultural practitioners; and is a tool for translating the principles of a green economy into ...Read more
Author:Bischof-Niemz, Thomas; Roro, Kittessa TDate:Sep 2015This paper presents a guideline for public entities on cost-efficient procurement of PV assets. Traditionally, screening of the responses to the request for proposal for the Engineering, Procurement and Construction (EPC) of a photovoltaic ...Read more
Author:Bischof-Niemz, T; Roro, Kittessa TDate:Sep 2015Traditionally, when public entities buy an asset under an Engineering, Procurement and Construction (EPC) contract, the screening of the responses to the request for proposals is done in two stages: In a filter stage, all proposals that are ...Read more
Author:Lück-Vogel, MelanieDate:Apr 2018This article provides guidance to technical and non-technical coastal practitioner regarding the required precision of airborne lidar data for the typical coastal applications, output formats and value-added products. It also touches on issues ...Read more
Author:Council for Scientific and Industrial Research, CSIRDate:2000This document provides performance-based guidelines for informed decision-making. The purpose is essentially to indicate the qualities that should be sought in South African settlements, and to provide practical guidance on how these qualities ...Read more
Author:Sibiya, G; Venter, HS; Ngobeni, Sipho J; Fogwill, TDate:Aug 2012Cloud computing is a new computing paradigm that presents fresh research issues in the field of digital forensics. Cloud computing builds upon virtualisation technologies and is distributed in nature. Depending on its implementation, the cloud ...Read more
Author:Mxoli, Ncedisa AM; Mostert, N; Gerber, MDate:Mar 2019Traditionally, health records have been stored in paper folders at the physician’s consulting rooms - or at the patient’s home. With the rise of technology there have been many offerings of ways to store health records in a safer and better ...Read more
Author:Purdy, G; Van Breda, C; Strohbach, H; Raath, JB; Godfrey, H; Kruger, MDate:Jul 1997The project was focused on the development of guidelines for the training of operators using high risk underground coal mining machinery. During the survey conducted it was noted that the multi-ethic nature of the machine operators made ...Read more
Author:Fourie, GA; Van Niekerk, DJDate:Nov 2001Mine planning and design involves the compilation and integration of all relevant geological, geotechnical, mining, engineering and economic data into a single document to define and describe the exploitation strategy for a particular mineral ...Read more
Author:Pienaar, PA; Mokonyama, Mathetha T; Das, DK; Pienaar, WJ; Stander, HJ; Van As, SC; Robinson, ADate:Jul 2023Roads provide linkages between cities and towns, neighbouring countries, and to other points of interest. Up until the mid-20th century, roads forming part of the national network in South Africa generally passed through cities and towns. As ...Read more
Author:Matshaba, L; Nxozi, M; Herselman, Martha EDate:May 2023In the midst of dynamic healthcare needs, health information systems’ lack of interoperability continues to hinder the health sector’s ability to provide healthcare services. For instance, the recent COVID-19 epidemic has sparked discussion ...Read more
Author:Mittal, H; Maity, Arjun; Ray, SSDate:Oct 2015The main aim of this study was to develop a biodegradable flocculent and adsorbent based on the graft co-polymer of the Gum ghatti (Gg) with the co-polymer mixture of acrylamide (AAM) and acrylic acid (AA) using the microwave assisted graft ...Read more
Author:Mittala, H; Maity, Arjun; Ray, Suprakas SDate:Feb 2016Biodegradable hydrogel nanocomposites (HNC) of gum karaya (GK) grafted with poly(acrylic acid) (PAA) incorporated silicon carbide nanoparticles (SiC NPs) were synthesized using the in situ graft copolymerization method and tested for the ...Read more
Author:Van Wilgen, BWDate:2007Gums trees (in the genus Eucalyptus, from Australia) are not set to ‘disappear’ (even if some people wanted them to). Gums form an important component of the forest industry and, at last count, they covered over 540 000 ha in formal plantations ...Read more
Author:Shatalov, MY; Joubert, SV; Coetzee, CE; Fedotov, IDate:Jul 2007In symmetric distributed structures subjected to vibration and an inertial rotation, the vibrating patterns turn in the direction of revolution at a rate proportional to the inertial angular rate. This effect has numerous applications in ...Read more