Author:Gailele, Lucas M; Dudley, Angela L; Ndagano, B; McLaren M, M; Rosales, C; Forbes, ADate:Jul 2016The orbital angular momentum (OAM) of light has become the focus of intensive research. Traditional optical communication systems optimize multiplexing in the polarization and the wavelength of light to attain an increase in bandwith. However ...Read more
Author:Heyns, Johan A; Harms, TM; Malan, AGDate:Jun 2011This study presents the development of novel modelling technology for compressible and violent free-surface flows, where the new technology aims to extend the capabilities of existing FSM formulations. For the purpose of this study the ...Read more
Author:Williams, QDate:Oct 2015Ever since the seminal article in the Harvard Business Review claimed that being a data scientist is the ‘sexiest job of the 21st century’, the term data science has been widely adopted in mainstream media when discussing technology and ICT. ...Read more
Author:Linke, S; Turak, E; Nel, JDate:Jan 2011The authors review recent advances in systematic conservation planning in fresh waters. Most modern systematic planning approaches are based on the CARE principles: comprehensiveness, adequacy, representativeness and efficiency. Efficiency ...Read more
Author:Meintjies, AADate:1968Field testing of the FRI methanometer is in progress at D.N.C colliery. This work was undertaken to investigate the reliability of the instruments and to train personnel to operate and service them before any extensive study should be started ...Read more
Author:Kesavan Pillai, Sreejarani; Gheevarghese, O; Tleane, IVDate:2012The present study has undertaken the Friedel-Crafts benzylation of aromatics over the V2O5/ZrO2 catalysts systems. Catalysts with different V2O5 content (0-15wt %) was prepared by wet impregnation method and characterized by XRD, BET surface ...Read more
Author:Swartbooi, Ashton; Kapanji-Kakoma, KK; Musyoka, Nicholas MDate:Sep 2022Biogas is a renewable feedstock that can be used to produce hydrogen through the decomposition of biomethane. However, the economics of the process are not well studied and understood, especially in cases where solid carbons are also produced, ...Read more
Author:Smith, CJDate:Sep 2011his paper provides a case study for the realisation of a joint Network Centric Defence capability by merging existing information and communication infrastructure with new network enabling concepts. This capability was achieved by gaining ...Read more
Author:Wadrop, ChrisDate:Oct 2017CPI is a UK technology innovation centre and the process element of the Government’s High Value Manufacturing Catapult. This presentation explains the services and focus of CPI and how they use applied knowledge in science and engineering ...Read more
Author:Botha, Adèle; Ruyobeza, B; Grobbelaar, SSDate:Jun 2023Objective: To enhance the predictive power of the Fit between Individuals, Task and Technology (FITT) framework in mobile, individual consumer settings by restructuring the individual-task fit to prominently emphasize the task-skills fit. ...Read more
Author:Liu, Y; Ma, X; Shu, L; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Jun 2020The three previous industrial revolutions profoundly transformed agriculture industry from indigenous farming to mechanized farming and recent precision agriculture. Industrial farming paradigm greatly improves productivity, but a number of ...Read more
Author:Wong, W; Kotzé, Paula; Read, J; Bannon, L; Hvannberg, EDate:2009This paper describes the key lessons from an earlier HCI Educators’ conference, held in Limerick in 2006, the outcomes of which led to the theme of HCIEd 2007 – Creativity: Experiencing to Educate and Design. The paper discusses the lessons ...Read more
Author:De Jager, Peta; Abbott, G; Parsons, SDate:Apr 2009Transforming bits of a strategic plan into physical infrastructure requires the preparation of briefing documents for the professional team. This task is both complex and specialised, particularly in the case of health-care infrastructure. ...Read more
Author:De Jager, Peta; Abbott, G; Parsons, SDate:May 2009Transforming strategic plans into physical infrastructure requires the preparation of briefing documents for the professional team. This task is both complex and specialised, particularly in the case of health-care infrastructure. This paper ...Read more
Author:Britz, K; Varzinczak, IDate:Mar 2018We investigate an aspect of defeasibility that has somewhat been overlooked by the nonmonotonic reasoning community, namely that of defeasible modes of reasoning. These aim to formalise defeasibility of the traditional notion of necessity in ...Read more
Author:Nuutinen, J; Sutinen, E; Botha, Adèle; Kommers, PDate:Sep 2010The rapid development of computer-supported collaborative environments has highlighted the need for collaborative knowledge construction devices. Because most available mindtools do not promote collaboration, there is a need for social mindtools ...Read more
Author:Botha, Adèle; Butgereit, LDate:Feb 2013In 2007, Laurie Butgereit, a researcher at the CSIR Meraka Institute, started to use Mxit as a communication channel to tutor her son in mathematics. Her son and a number of his friends logged in, and Dr Math was born. At the inception of Dr ...Read more
Author:Greben, HA; Nemaangani, LP; Oelofse, Suzanna HHDate:Nov 2008Waste in South Africa is disposed of in landfills, which produces unwanted landfill gas (CH4) and leachate emissions. Biological treatment of the Organic Fraction of Municipal Solid Waste (OFMSW) is an established technology in Europe, applying ...Read more
Author:Ampofo-Anti, NDate:Mar 2014Building and construction activities consume more raw materials by weight than any other industry sector – about 50% of all the materials extracted from the Earth’s crust annually are transformed into building and construction materials and ...Read more