Author:Strong, PJ; Burgess, JEDate:Sep 2008The aim of this work was to characterise wine-related wastewaters and ascertain the wastewater concentrations that were optimal for treatment by Trametes pubescens. Laccase production was also monitored. Crudely purified laccase was tested ...Read more
Author:Oboirien, BO; Ojumu, TV; Obayopo, SODate:Feb 2013Coal biosolubilisation was investigated in stirred tank reactor, fluidised bed and fixed bed bioreactors with a view to highlight the advantages and shortcomings of each of these reactor configurations. The stirred aerated bioreactor and ...Read more
Author:Giffen, MHDate:1976This paper deals with the continuation of an investigation of the marine littoral diatom flora of the Saldanha bay Lagoon, situated on the west coast of South Africa.Read more
Author:Brink, AVZ; Roberts, MKV; Spottiswoode, SMDate:Mar 2002The objective of this project was to assess the seismic risk in the Bushveld Complex platinum mines and to provide guidelines for regional and local support in areas where the seismic risk is considered to be high. In order to achieve this ...Read more
Author:Weinstein-Evron, M; Vogel, JC; Kronfeld, JDate:2001The palynological sequence of the Hula L07 core was previously correlated with the global oxygen isotope stages 3-5, based on a radiocarbon age determination and comparison with other Levantine paleoclimatological curves. An attempt was made ...Read more
Author:Van Schoor, MichaelDate:Jan 2015This chapter includes a collection of additional case study examples relating to some of the most pertinent coal problems described in this book. Where possible, local coal examples were selected for inclusion, but otherwise the selected ...Read more
Author:La Grange, CCDate:1965In the previous report the advantages and disadvantages of predying and preheating coke oven charges were briefly dealt with and some literature references on the subject were cited. The present report covers further investigations along ...Read more
Author:Schoeman, FRDate:1972The systematics and autecology of the diatoms observed in an algal sample from a maturation pond of the Walvis Bay (south west African coast) sewage works are discussed. Fourteen diatoms species are recorded. A new specie, Amphora subacutiuscula, ...Read more
Author:Fassihi, A; Hunter, LawranceDate:Jul 2014There is often a need to dismantle staple fiber yarns into their component fibers, without significantly changing the fiber physical properties, or damaging the fibers in the process, so that the fibers can be tested for their physical ...Read more
Author:Ripamonti, U; Kirkbride, AN; Yates, SC; Thackeray, JFDate:Apr 1997The dentition and alveolar bone of a maxilla of a juvenile Australopithecus africanus have been examined using a high energy X-ray computed tomography scanner. Results indicate the presence of previously undetected severe alveolar bone loss, ...Read more
Author:La Grange, CCDate:1963The first series of tests in this programme was carried out in the letter half of 1962, and the results were communicated in FRI Technical Memorandum No. 21 of 1962.Read more
Author:Cizek, J; Turpie, DWFDate:Nov 1985A number of profiles of raw wool staples are illustrated, and also the profile of raw mohair staple. It is shown that testing of the strength of raw wool stapled at a short gauge, in addition to the maxim practical gauge, (namely where the ...Read more
Author:Wellington, Kevin W; Leboho, T; Sakong, BM; Adenubi, OT; Eloff, JN; Fouché, GerdaDate:Jan 2017The goal of our research is to develop a lower cost eco-friendly tick control method because acaricides that are commonly used to control ticks are often toxic, harmful to the environment or too expensive for resource-limited farmers. Acetone ...Read more
Author:Kuiters, A; Van Doornum, GAWDate:1969A further examination of these models revealed that the coal feed rate did not permit a very much greater output that was achieved during the experiments. The units were retested at full load, while some additional trials at reduced load were ...Read more
Author:Vieira, F; Dede, T; Stewart, R; Ruskovich, ADate:Jul 1998Design charts for bracket pillar design were developed under a previous SIMRAC project GAP 223 to provide rock mechanics engineers with an initial estimate of bracket pillar sizes for clearly identified geological discontinuities, based on ...Read more
Author:Mabuza-Hocquet, Gugulethu P; Nelwamondo, Fulufhelo VDate:Dec 2015Iris recognition uses automated techniques to extract iris features which are stored in a database as a feature template to be later used for individual identification and authentication. Strict image quality control is a basic requirement ...Read more
Author:Kgomo, Mosima B; Wu, Lorinda; Koen, Wayne S; Morris, DDate:2017Fusion splicing is a fibre connection technology that is a key element in the fabrication of high power fibre lasers. Obtaining low optical transmission loss fusion splices remains a challenge in the development of high power fibre lasers. ...Read more
Author:Muchuru, S; Landman, W; Midgley, G; Engelbrech, F; van der Merwe, JHDate:Sep 2015The issue of estimating future climate variability and change of seasonal rainfall and temperature under which ecosystem processes and human interventions will take place in the future is relatively new to forestry. The Zambezi River Basin ...Read more
Author:Davis, Claire L; Engelbrecht, Francois A; Tadross, M; Wolski, P; Archer, Emma RMDate:Oct 2017This chapter presents key messages drawn from recent subsets of future climate projections for the southern Africa region. Material in this chapter is drawn from Chapter 3 of Climate Risk and Vulnerability: A Handbook for Southern Africa ...Read more
Author:Duvenhage, FD; Craig, OO; Brent, AC; Stafford, William HLDate:Nov 2018South Africa has experienced great uncertainty in its electricity supply sector. Many energy system modeling efforts have been undertaken. This is to determine the most appropriate energy mix and manage uncertainty. We review all available, ...Read more