Author:Mnguni, S; Mudali, P; Abu-Mahfouz, Adnan MI; Adigun, MDate:Nov 2021Internet of Things (IoT) is a fast and rapidly growing environment with LoRa technology as a leading Low-Power Wide-Area Network (LPWAN). It is paramount important to understand the LoRaWAN limitations/drawbacks and capabilities in terms of ...Read more
Author:Mushia, NM; Ramoelo, Abel; Ayisi, KKDate:Jun 2016Stockpiled soils are excavated from the ground during mining activities, and piled on the surface of the soil for rehabilitation purposes. These soils are often characterized by low organic matter (SOM) content, low fertility, and poor physical, ...Read more
Author:Rust, FC; Vos, RM; Myburgh, PA; Maree, JHDate:Oct 1994Technologies developed at the CSIR as part of the Sabita ARP research programme over the last five years have been implemented successfully in a number of instances. Significant benefits (tangible as well as intangible) have accrued to the ...Read more
Author:Hernandez, JA; Al-Qadi, I; De Beer, MorrisDate:Jun 2013Three-dimensional (3D) tire-pavement contact stresses for two types of tires used by the truck industry (new generation wide-base tire [WBT] and dual-tire assembly [DTA]) were measured and compared. The testing matrix was composed of five ...Read more
Author:Munonde, Tshimangadzo S; Zheng, HaitaoDate:Aug 2021The ultrasonic process has been examined to exfoliate layered materials and upgrade their properties for a variety of applications in different media. Our previous studies have shown that the ultra-sonication treatment in water without chemicals ...Read more
Author:Adebesin, F; Kotzé, Paula; Gelderblom, HDate:Nov 2010There is growing efforts to narrow the digital divide both locally and internationally. One such effort is the Digital Doorway project driven by the Department of Science and Technology (DST) and the Meraka Institute of Council for Science ...Read more
Author:Labuschagne, Philip WDate:May 2018Phytochemicals are plant-derived chemicals that have a number of protective or health-promoting properties. However, their health benefits and thus commercial potential can be restricted due to their instability to environmental factors such ...Read more
Author:Oberholster, Paul JDate:Dec 2009Ecotourism has developed rapidly in recent years to become one of South Africa’s largest income generator. State and private game reserves have become global players in attracting tourists from around the world. In addition to possessing two ...Read more
Author:Mabhali, Luyolo AB; Pityana, Sisa L; Sacks, NDate:Aug 2013Laser surface alloying of aluminium AA1200 was performed with a 4kW Nd:YAG laser and impact resistance of the alloys was investigated. The alloying powders were a mixture of Ni, Ti and SiC in different proportions. Surfaces reinforced with ...Read more
Author:Mabhali, Luyolo AB; Sacks, N; Pityana, Sisa LDate:Mar 2012Laser surface alloying of aluminium AA1200 was performed with a 4kW Nd:YAG laser and the impact resistance of the alloys was investigated. The alloying powders were a mixture of Ni, Ti and SiC in different proportions. Surfaces reinforced ...Read more
Author:Blight, JJ; Gush, Mark B; Le Maitre, David C; Jewitt, GPWDate:Sep 2005Disruption of the hydrological regime caused by afforestation is well documented. Several sets of experimental catchments were set up in South Africa between 1935 and 1980 specifically to quantify such impacts. Data emanating from these ...Read more
Author:Le Maitre, David C; Görgens, A; Howard, G; Walker, NDate:Oct 2019A key motivation for managing invasive alien plant (IAP) species is their impacts on streamflows, which, for the wetter half of South Africa, are about 970 m3·ha-1·a-1 or 1 444 mill. m3·a-1 (2.9% of naturalised mean annual runoff), comparable ...Read more
Author:Kusangaya, S; Warburton, ML; Archer, Emma RM; Jewitt, GPWDate:Oct 2013The Intergovernmental Panel on Climate Change concluded that there is consensus that the increase of atmospheric greenhouse gases will result in climate change which will cause the sea level to rise, increased frequency of extreme climatic ...Read more
Author:Tozuka, T; Abiodun, BJ; Engelbrecht, FADate:Mar 2013This study examines southern African summer rainfall and tropical temperate troughs (TTTs) simulated with three versions of an atmospheric general circulation model differing only in the convection scheme. All three versions provide realistic ...Read more
Author:Mambo, JDate:Mar 2012AIDS mortality, its linkages as a determinant and consequence of food security and its impact on natural resource utilisation by mainly rural populations, has not been well researched, especially their effects on rural livelihoods. Determining ...Read more
Author:Le Maitre, David C; Gush, Mark B; Dzikiti, SebinasiDate:May 2015There have been many studies of the diverse impacts of invasions by alien plants but few have assessed impacts on water resources. We reviewed the information on the impacts of invasions on surface runoff and groundwater resources at stand ...Read more
Author:Chamier, J; Schachtschneider, K; Le Maitre, David C; Ashton, PJ; Van Wilgen, BWDate:Apr 2012We review the current state of knowledge of quantified impacts of invasive alien plants on water quality, with a focus on South Africa. In South Africa, over 200 introduced plant species are regarded as invasive. Many of these species are ...Read more