Author:Abia, AL; Ubomba-Jaswa, Eunice; Momba, MNDate:Nov 2016Studies on the survival of bacterial enteric pathogens in riverbed sediments have mostly focused on individual organisms. Reports on the competitive survival of these pathogens in riverbed sediments under the same experimental setup are ...Read more
Author:Adebesin, F; Kotzé, Paula; Gelderblom, HDate:Oct 2010Usability, which is generally defined in terms of application effectiveness, efficiency and user satisfaction, is one of the focus areas of human-computer interaction (HCI). Accessibility is the design of systems that can be perceived, ...Read more
Author:Dudley, Angela L; Litvin, I; Roux, FS; Forbes, ADate:Feb 2013By using digital holograms, we present a simple technique for performing a complete azimuthal decomposition of an arbitrary laser mode. The match-filter, used to perform the azimuthal decomposition, is bounded by an annular ring, allowing us ...Read more
Author:Swanepoel, H; De Beer, Morris; Liebenberg, LDate:Mar 2012The most widespread method used for the treatment of acidic mine drainage (AMD) is neutralisation through the addition of lime to the effluent in order to raise the pH. As a result, dissolvedmetals precipitate as metal hydroxides while partial ...Read more
Author:Slinger, J; Taljaard, Susan; D'Hont, FDate:Feb 2020The transdisciplinary research synthesised in this book represents an endeavour by a group of coastal researchers and policy analysts to learn from a cross-comparison of seven international case studies on tidal inlet or estuary mouth management ...Read more
Author:Gololo, KV; Majozi, TDate:Dec 2012Pressure drop consideration has shown to be an essential requirement for the synthesis of a cooling water network where reuse/recycle philosophy is employed. This is due to an increased network pressure drop associated with additional ...Read more
Author:Stoev, SD; Denev, S; Dutton, MF; Njobeh, PB; Mosonik, JS; Steenkamp, PA; Petkov, IDate:2009Spontaneous nephropathy in pigs seen in South Africa was found to have multi-mycotoxic etiology involving several mycotoxins such as ochratoxin A (OTA), penicillic acid (PA) and fumonisin B1 (FB1) in addition to a not yet identified mycotoxin. ...Read more
Author:Joubert, JW; Van Heerden, Quintin; Van Schoor, CDate:Jul 2013Two main schools of thought exist in the modelling of commercial vehicle movement. Firstly, the top down commodity flow models start at an aggregate level using metrics such as Gross Domestic Product (GDP) to derive the origin-destination ...Read more
Author:Mlambo, CS; Moolla, YaseenDate:Nov 2015Fingerprint recognition systems have important applications for privacy and security. This has led to more studies and technologies that improve on the security and accuracy of fingerprint identification and verification systems. Such ...Read more
Author:Goncalves, Duarte PDDate:Oct 2017There are a number of important national problems, such as security, which also span multiple systems levels and cannot be addressed by a single integrating discipline, such as systems engineering. Such problems are complex and as one moves ...Read more
Author:Klarman, S; Meyer, TDate:Jul 2014Temporal query abduction is the problem of hypothesizing a minimal set of temporal data which, given some fixed background knowledge, warrants the entailment of the query. This problem formally underlies a variety of forms of explanatory and ...Read more
Author:Nyamaka, AT; Botha, Adèle; Van Biljon, J; Marais, Mario ADate:Apr 2020The literature on information and communication technology comprises numerous studies on the role of mobile technologies in developing communities, including examples of innovative mobile applications which improve literacy and access to ...Read more
Author:Bowles, BA; Austin, BA; Attwell, CWPDate:Nov 1978The paper outlines the fundamentals of underground radio transmission with particular emphasis on loop antennasRead more
Author:Bowles, BA; Austin, BA; Attwell, CWPDate:Dec 1978The paper describes the properties of matching networks employed which determine the most desirable networkRead more
Author:Sarossy, Z; Blomfeldt, TOJ; Hedenqvist, MS; Koch, CB; Ray, SS; Plackett, DDate:Jun 2012Hemicelluloses represent a largely unutilized resource for future bioderived films in packaging and other applications. However, improvement of film properties is needed in order to transfer this potential into reality. In this context, ...Read more
Author:Kumar, S; Kruth, J-PDate:Feb 2010The use of rapid prototyping (RP) technology for rapid tooling and rapid manufacturing has given rise to the development of application-oriented composites. The present paper furnishes succinct notes of the composites formed using main rapid ...Read more
Author:Anandjiwala, RD; Blouw, SDate:Oct 2004Composite materials reinforced with natural fibres, such as flax, hemp, kenaf and jute, are gaining increasing importance in automotive, aerospace, packaging and other industrial applications due to their lighter weight, competitive specific ...Read more
Author:Paul, V; John, Maya JDate:Apr 2018There is an increasing urgency worldwide to develop bio-based products that can ease the widespread dependence on fossil fuels. The use of natural fibers and natural bio-based resin systems for the production of biocomposites has been pursued ...Read more
Author:Geldenhuys, CJDate:May 1997Patterns in species richness of 23 small, isolated forests on the inland mountains of the southern Cape were studied. Species richness of woody plants and vines of the Kouga-Baviaanskloof Forests was higher than in the western mountain ...Read more