Author:Wokadala, OC; Ray, Suprakas S; Naushad Emmambux, MNDate:Sep 2012The occurrence of amylose–lipid complexes was determined in maize and teff starch biphasic pastes i.e. peak viscosity pastes at short and prolonged pasting times. Maize and teff starches were pasted for 11.5 and 130 min with or without added ...Read more
Author:Abia, ALK; Ubomba-Jaswa, Eunice; Momba, MNBDate:Aug 2016In most developing countries, especially in Southern Africa, little is known about the presence of diarrhoeagenic Escherichia coli (DEC) pathotypes in riverbed sediments. The present study sought to investigate the presence of DEC virulence ...Read more
Author:Krug, Marjolaine J; Swart, S; Hermes, JDate:Jun 2018Off the east coast of South Africa, robotic ocean gliders deployed in the Agulhas Current capture new data that help us better understand how energy dissipates in the ocean.Read more
Author:Swart, S; Zietsman, JJ; Coetsee, JC; Goslett, Daniel G; Hoek, A; Needham, D; Monteiro, Pedro MSDate:Dec 2016South Africa’s small pelagic fishery is an important component of the country’s commercial fisheries sector, second in value only to the demersal trawl fishery. Management of this sector relies on frequent hydro-acoustic surveys, which provide ...Read more
Author:Blanke, B; Penven, P; Roy, C; Chang, Nicolette; Kokoszka, FDate:Dec 2009This study analyzes the oceanic pathway connecting the Agulhas Bank to the southern Benguela upwelling system by means of a quantitative Lagrangian interpretation of the velocity field calculated by a high-resolution numerical simulation of ...Read more
Author:Lutjeharms, JRE; Monteiro, Pedro MS; Tyson, PD; Obura, DDate:Mar 2001In the last few decades, a great deal of work has been carried out on the nature of the oceanic circulation around southern Africa. Attempts have been made to determine regional ocean-atmosphere interactions and the effect of changing sea-surface ...Read more
Author:Kgathi, DL; Kniveton, D; Ringrose, S; Turton, AR; Van der Post, CHM; Lundqvist, J; Seely, MDate:Apr 2006The Okavango basin comprises the Cuito and Cubango active catchment areas in Angola, in addition to the Kavango-Okavango non-active catchment in northern Namibia and Botswana. The Okavango River water and its ecosystem resources are critically ...Read more
Author:Kok, E; Van Dijk, J; Voorhuijzen, M; Staats, M; Lommen, A; Venema, D; Pla, M; Barros, Maria ECDate:Sep 2019The objective of this study was to quantitatively assess potato omics profiles of new varieties for meaningful differences from analogous profiles of commercial varieties through the SIMCA one-class classification model. Analytical profiles ...Read more
Author:Beaumont, PB; Vogel, JCDate:May 2006Located between Danidiskuil and Kuruman in the Northern Cape province of South Africa is Wonderwerk Cave, where excavations from 1978 to 1996 revealed a similar to 6-m depth of deposits made up of nine Major Units (MUs), of which some have ...Read more
Author:Varzinczak, IJDate:Feb 2010As historically acknowledged in the Reasoning about Actions and Change community, intuitiveness of a logical domain description cannot be fully automated. Moreover, like any other logical theory, action theories may also evolve, and thus ...Read more
Author:Lysko, Albert ADate:Nov 2012A circular loop antenna is often numerically modeled using a regular polygon. This approach is simple and robust, yet it alters the circumference of the loop and may thus shift the resonance frequency in the numerical model. This letter ...Read more
Author:Candy, LP; Lasenby, JDate:Apr 2010The orientation vector differential equation was first derived by John Bortz to improve the accuracy of strapdown inertial navigation attitude algorithms. These algorithms previously relied on the direct integration of the direction cosine ...Read more
Author:Shatalov, M; Fedotov, IDate:Aug 2007In this paper the authors present a new method of numerical evaluation of unknown coefficients of a dynamical system having available information about unknown phase trajectories at some time values. The method consists in the direct integration ...Read more
Author:Rens, G; Meyer, T; Casini, GDate:Aug 2016We propose a method for an agent to revise its incomplete probabilistic beliefs when a new piece of propositional information is observed. In this work, an agent’s beliefs are represented by a set of probabilistic formulae – a belief base. ...Read more
Author:Gololo, KV; Majozi, TDate:Jan 2011Cooling water systems are generally designed with a set of heat exchangers arranged in parallel. This arrangement results in higher cooling water flow rate and low cooling water return temperature, thus reducing cooling tower efficiency. ...Read more
Author:Majozi, T; Price, TDate:Aug 2010The traditional steam system comprises a steam boiler and the associated heat exchanger network (HEN). Most research published in literature tends to address both the elements of the steam system as separate entities instead of analyzing, ...Read more
Author:Price, T; Majozi, TDate:Aug 2010Heat exchanger networks in steam systems are traditionally designed to operate in parallel. Coetzee and Majozi (Ind. Eng. Chem. Res. 2008, 47, 4405-4413) found that by reusing steam condensate within the network the steam flow rate could be ...Read more