Author:Burger, L; Forbes, ADate:Aug 2008The authors apply a new method of modeling Porro prism resonators, using the concept of rotating loss screens, to study stable and unstable Porro prism resonator. They show that the previously observed petal–like modal output is in fact only ...Read more
Author:Cowling, RM; Roux, PWDate:1987This volume is the second in a series of syntheses of existing knowledge of the karoo biome. The first volume summarized what is currently known on the physical environment of the biome namely geology, soils, climate, hydrology, geohydrology ...Read more
Author:Cowling, RM; Roux, PWDate:1987The karoo biome comprises the arid and semi-arid dwarf shrub lands and open grassland of South Africa. In comparison to other South African biomes, ecological patterns and processes in this biom are poorly understood, despite its size and ...Read more
Author:Cowling, RM; Roux, PW; Pieterse, AJHDate:1986This report, the first of three volumes, forms part of the Karoo Biome Project. One of the aims is to synthesize existing knowledge of the Karoo biome and so provide a foundation for further research in areas where it is considered necessary. ...Read more
Author:Viljoen, NM; Celik, M; Cao, W; Swann, J; Ergun, ODate:Sep 2012Donor breastmilk could potentially save thousands of neonatal lives and save millions of Rands in treatment costs annually. A facility location-allocation model will be used to develop a strategic national network expansion plan based on an ...Read more
Author:Mokhothu, Thabang H; Guduri, BR; Luyt, ASDate:Dec 2011In this study the morphology and properties of a biodegradable aliphatic–aromatic copolyester mixed with kenaf fiber were investigated. Untreated kenaf fiber, as well as kenaf fiber treated with NaOH, and with NaOH followed by silane coupling ...Read more
Author:John, Maya J; Bellmann, C; Anandjiwala, RDDate:Oct 2010This paper presents an experimental study on the use of zein as a coupling agent in natural fibre composites. Kenaf nonwovens were treated with zein coupling agent, which is a protein extracted from corn. The surface characteristics of untreated ...Read more
Author:Lunga, D; Ersoy, ODate:Oct 2011Modern remote sensing imaging sensor technology provides detailed spectral and spatial information that enables precise analysis of land cover usage. From a research point of view, traditional widely used statistical models are often limited ...Read more
Author:Van der Walt, CM; Barnard, EDate:Dec 2013We investigate the performance of conventional bandwidth estimators for non-parametric kernel density estimation on a number of representative pattern-recognition tasks, to gain a better understanding of the behaviour of these estimators in ...Read more
Author:Duvenage, IR; Morant, PDDate:Oct 1984In this report available historical information on the Keurbooms/Bitou and Piesang Estuaries is presented. It entails information on marine ecology, river catchment, abiotics and biotics characteristics found in the estuaries. The Keurbooms, ...Read more
Author:Ashton, P; Hardwick, DDate:Nov 2008The paper discusses geographic reality; water availability and water security as well as the challenges and opportunities facing water resource managers and the importance of good governanceRead more
Author:Smuts, H; Van der Merwe, A; Loock, MDate:Jul 2011The shift to knowledge as the primary source of value results in the new economy being led by those who manage knowledge effectively. Today’s organisations are creating and leveraging knowledge, data and information at an unprecedented pace ...Read more
Author:Willers, MS; Willers, Cornelius JDate:Sep 2012This paper briefly analyses the broader framework of requirements for an imaging simulation system, in the 0.4 to 14 µm spectral bands. An existing imaging simulation system, OSSIM, is used to evaluate the identified key requirements for ...Read more
Author:Louw, J; Niezen, G; Ramotsoela, TD; Abu-Mahfouz, Adnan MIDate:Dec 2016Wireless sensor networks (WSNs) have become increasingly popular in many applications across a broad range of fields. Securing WSNs poses unique challenges mainly due to their resource constraints. Traditional public key cryptography (PKC) ...Read more
Author:Butgereit, L; Botha, RA; Van den Heever, MDate:Jul 2012Different human languages look different from other human languages. To use a term from the computer industry, each human language has its own “look and feel”. European English speakers can easily recognise a phrase such as “Comment allez-vous?” ...Read more
Author:Mphahlele, CathyDate:Dec 2015The South African government, through the Presidential Infrastructure Coordinating Commission has resolved to deliver social infrastructure such as schools, early childhood centers, clinics and student accommodation using Innovative Building ...Read more
Author:Van Wyk, Llewellyn VDate:Jun 2017The aim of the paper is to identify key principles for adapting SA settlement patterns to climate change. Section 1 reviews the range of climate-related impacts likely to affect SA settlements using climate change models and scenarios as a ...Read more
Author:Tlale, NS; De Villiers, MDate:Dec 2008Omni-directional mobile platforms have the ability to move instantaneously in any direction from any configuration. As such, it is important to have a mathematical model of the platform, especially if the platform is to be used as an autonomous ...Read more
Author:Dube, C; Tapson, JDate:Nov 2009This paper focuses firstly, on the kinematics structure required for a humanoid service robot arm and secondly, on transferring human motion obtained from visual motion capture to the humanoid arm. The kinematics structure of a ten Degree of ...Read more
Author:Mhlanga, N; Ray, SSDate:Jan 2015For decades, studies on drug-release kinetics have been an important topic in the field of drug delivery because they provide important insights into the mechanism of drug release from carriers. In this work, polylactide (PLA), doxorubicin ...Read more