Author:Godfrey, Linda KDate:Jun 2018This final chapter brings together the key messages that have emerged from the preceding chapters of the Africa Waste Management Outlook. These messages provide the basis for a set of recommendations on what needs to be done to address the ...Read more
Author:Ojijo, Vincent O; Ray, Suprakas S; Sadiku, RDate:May 2014Polylactide (PLA) and poly[(butylene succinate)-co-adipate] (PBSA) were reacted by being blended in a batch mixer in the presence of a chain extender, triphenyl phosphite (TPP), and two different types of organically modified clays—a ...Read more
Author:Dlamini, Nomusa R; Dykes, L; Rooney, LW; Waniska, RD; Taylor, JRNDate:Jul 2009The profile and quantities of condensed tannins (CT) in foods are affected by processing due to their highly reactive nature, which may affect their antioxidant activity and the nutritional value of the foods. The objective was to compare the ...Read more
Author:Mkhize, NR; Heitkönig, IMA; Scogings, PF; Dziba, LE; Prins, HHT; De Boer, WFDate:Aug 2015Tannin concentrations fluctuate spatially and temporally within and among plant species, with con-sequences for forage quality of herbivores. The extent to which these fluctuations influence foraging activities of goats is not fully understood. ...Read more
Author:McDonald, Andre M; Van Wyk, MNDate:Nov 2019Toeplitz decorrelation techniques, as applied towards direction-of-arrival estimation of coherent narrowband signals using a sensor array, significantly improve the accuracy of subspace methods without reducing the effective array aperture. ...Read more
Author:Miya, WS; Mpanza, LJ; Marwala, T; Nelwamondo, Fulufhelo VDate:Oct 2008In this paper, a comparison between Extension Neural Network (ENN), Gaussian Mixture Model (GMM) and Hidden Markov model (HMM) is conducted for bushing condition monitoring. The monitoring process is a two-stage implementation of a classification ...Read more
Author:Kruger, HR; Focke, WW; Mhike, W; Taute, A; Roberson, A; Ofosu, ODate:Oct 2014Polyethylene was flame retarded with two intumescent-type additives, 3,5-diaminobenzoic acid phosphate and ethylenediamine phosphate, which differ with respect to their decomposition onset temperatures, along with varying ratios of two grades ...Read more
Author:Tywabi, ZDate:May 2014The efficient utilization of biomass is increasingly important due to the diminishing resources of fossil fuels worldwide. Wood, and most of other components of wood are burnt to produce energy. This presentation focuses on the dissolution ...Read more
Author:Butgereit, L; Botha, Adèle; Boysen, VDate:Jun 2015Mathematics look different on a small 3-inch screen of an inexpensive cell phone when compared to a 3-meter whiteboard in a mathematics classroom. Dr Math uses cell phone or mobile data "chat" technologies to assist primary and secondary ...Read more
Author:Willers, Cornelius J; Roodt, JHDate:Apr 2011This paper describes the application of simulation in the development of aircraft self-protection countermeasures against infrared missiles. The integrated approach followed here consists of repeated cycles of materiel1 characterisation, ...Read more
Author:Aigbe, UO; Khenfouch, MK; Ho, WH; Maity, Arjun; Vallabhapurapu, VJ; Hemmaragala, NMDate:Nov 2018Studies on magnetic field exposure of congo red contaminated water employing polypyrrole magnetic nanocomposite is reported. Alternating magnetic poles as a function of time has been used to move functionalized nanoparticles in congo red ...Read more
Author:Bellagarda, J; Abu-Mahfouz, Adnan MIDate:Oct 2022As of 2022, non-fungible tokens, or NFTs, the smart contract powered tokens that represent ownership in a specific digital asset, have become a popular investment vehicle. In 2021, NFT trading reached USD 17.6 billion and entered mainstream ...Read more
Author:Pillay, Kasandra; Xie, C; Ruffini, M; Shi, L; Smith, D; Monga, I; Wang, X; Wey, JSDate:Jun 2019Over the past 50 years, the development of information and communications technology has provided unprecedented support to the steady economic growth of developed countries. In recent years, some of the largest growth has been reported in ...Read more
Author:Smith, Suzanne; Land, Kevin; Korvink, JG; Mager, DDate:Oct 2017In rural settings, the implementation of data connectivity for point-of-care (POC) diagnostics is becoming increasingly important, but introduces complex challenges, where cost, infrastructure, and training of staff need to be balanced if ...Read more
Author:Halland, Y; Mniki, NDate:30 Apr 2009“Connecting People and Information” takes on a whole new meaning when there is a 6 000-10 000 km distance between the publishers of information and the users and where an even greater chasm exists between the currencies and economies of ...Read more
Author:Chakwizira, J; Nhemachena, C; Mashiri, MDate:Aug 2010This paper establishes the connection between transport, agriculture and rural development. The paper achieves this purpose by drawing from the experiences of the Mhlontlo municipality integrated infrastructure atlas project. The connection ...Read more
Author:Weerts, Steven PDate:Oct 2019This presentation is about the connectivity amongst marine, estuarine and freshwater systems and its implications for estuarine fish communities.Read more
Author:Salami, O; Bagula, A; Chan, HADate:Aug 2009In Inter-working multi-hop wireless networks, establishing resilient connectivity between source-destination node pairs is a major issue. The issues of connectivity in Multi-hop wireless networks have been studied. However, these analyses ...Read more
Author:Von Solms, S; Van Heerden, Renier PDate:Mar 2015In June 2013, the Guardian newspaper started to disclose thousands of classified documents, which uncovered the existence of several mass surveillance programmes run by the National Security Agency (NSA) in the USA in cooperation with several ...Read more
Author:Siegfried, WR; Davies, BRDate:Sep 1982One of the main challenges facing mankind is to find answers to pressing problems attending the utilization of natural resources, while at the same time taking care not to create even greater problems in the future. In South Africa, a step ...Read more