Author:Mdakane, Lizwe W; Sibolla, Bolelang H; Haupt, Shelley ADate:Sep 2023Monitoring vessel activity in the ocean plays an essential role in ensuring maritime safety, environmental monitoring, and fisheries management. This article explores the importance of vessel tracking and investigates the potential of using ...Read more
Author:Sinvula, KM; Coetzee, S; Cooper, Antony K; Hipondoka, MDate:Oct 2012During the 1990s Namibia marked the introduction and acceptance of desktop Geographical Information System (GIS) technology into various sectors at national, regional and local community levels. This technology quickly disseminated across ...Read more
Author:Garland, Rebecca M; Sivakumar, VDate:Sep 2012This project studied the relationship between aerosol optical depth (AOD) from the Multi-angle Imaging SpectroRadiometer (MISR) instrument on the Terra satellite, and ground-based monitored particulate matter (PM) mass concentrations measured ...Read more
Author:De Beer, Morris; Van Heerden, AdelaiDate:Jul 2014Orientation: Motivational and coping resources were explored within a military context by means of a mixed-methods survey study involving a group of Special Forces candidates.
Research purpose: The purpose was to compare selected and ...Read more
Author:Ogunleye, OS; Van Belle, JPDate:May 2014The proliferation of mobile technologies and mobile phones has presented an opportunity for Government in the developing countries to utilize Mobile Information and Communication Technologies (M-ICT) to help facilitate daily administration ...Read more
Author:Rawlins, JM; Fraser, G; De Lange, Willem JDate:Nov 2015This study explores the suitability of causal loop diagrams (CLDs) to assess the value chains of AESs in South Africa within the context of a case study. AESs do not usually have finite market values nor are they traded in formal markets, ...Read more
Author:Duvenhage, B; Bouatouch, K; Kourie, DDate:Jun 2010From the literature, it is known that backward polygon beam tracing and other light volume methods are well suited to gather path coherency from specular scattering surfaces. This is of course useful for modelling and efficiently simulating ...Read more
Author:Madonsela, Sabelo; Cho, Moses A; Naidoo, Laven; Main, Russell S; Majozi, Nobuhle PDate:Dec 2021This study investigated the utility of Sentinel-2 spectral data for estimating leaf area index (LAI), leaf and canopy chlorophyll content of maize at different growth stages. Vegetation indices based on the visible-near infrared and red-edge ...Read more
Author:Segobola, J; Adriaenssens, E; Tsekoa, Tsepo L; Rashamuse, Konanani; Cowan, DDate:Jan 2018The Kogelberg Biosphere Reserve in the Cape Floral Kingdom in South Africa is known for its unique plant biodiversity. The potential presence of unique microbial and viral biodiversity associated with this unique plant biodiversity led us to ...Read more
Author:Sevenster, PGDate:1969In planning research projects in connection with coal dust explosion hazards, it must be borne in mind that explosions take place in tow stages, viz.Read more
Author:Ogunleye, OSDate:Oct 2010In this paper, the author investigates the rapid surge in mobile and wireless technologies, and mobile phone in particulars. He also outlines four emerging application areas where mobile technologies hold great potential for mobile government ...Read more
Author:Savage, WHDDate:1965The intention to specify at least two grades of anthracite will probably result in more samples being received which are outside the specification of the grade applying to the coal.Read more
Author:Hutchinson, KA; Swart, S; Ansorge, IJ; Goni, GJDate:Oct 2013Hydrographic data from three research cruises, occupying the GoodHope line in the Atlantic sector of the Southern Ocean, are used to identify and quantify Expendable Bathythermograph (XBT) temperature biases. A set of 148 collocated XBT and ...Read more
Author:Cooper, Antony KDate:Jul 2016This thesis presents an analysis of the nature of volunteered geographical information (VGI) and on its applicability for use in a spatial data infrastructure (SDI) to supplement official and commercial sources, particularly given the ease ...Read morecb
Author:Musee, NDate:Sep 2012There is an increasing number of nanoproducts and industrial applications of Engineered nanomaterials (ENMs), increasing also the volumes of hazard (toxicity) and exposure data. There is thus an increasing necessity to identify the most ...Read more
Author:Thwala, Melusi; Radebe, N; Tancu, Y; Musee, NDate:Sep 2014Transformation and bioavailability information of engineered nanoparticles (ENPs) in environmental systems impedes assessment of their potential risks to aquatic environments. In aqueous environments ENPs undergo numerous transformation ...Read more
Author:Thwala, Melusi; Klaine, S; Musee, NDate:Apr 2021Silver nanoparticles (AgNPs) are favoured antibacterial agents in nano-enabled products and can be released into water resources where they potentially elicit adverse effects. Herein, interactions of 10 and 40 nm AgNPs (10-AgNPs and 40-AgNPs) ...Read more
Author:Moodie, BDate:1972The influence of severe oxidation on bright coal particles by the application in the presence of oxygen is fairly well known. In this study an attempt was made to establish the connection between the deterioration of swelling properties and ...Read more
Author:O'Kennedy, Maretha M; Crampton, BG; Lorito, M; Chakauya, E; Breese, WA; Burger, JT; Botha, FCDate:May 2011Sclerospora graminicola is an Oomycete (heterotrophic Stramenopiles), fungal-like obligate phytopathogen, the causal agent of downy mildew in pearl millet (Pennisetum glaucum [L.] R. Br.), and a major constraint in the production of this ...Read more
Author:Mawela, K; Lezar, S; Chakauya, E; Eloff, JN; Chikwamba, Rachel KDate:01 Sep 2010HIV prevalence is over 33 million worldwide with 68% of AIDS sufferers residing in sub-Saharan Africa (1). Currently the available HIV prevention tools are feasible but women cannot insist on these preventive measures due to social, cultural ...Read more