Author:Mupambi, G; Schmeisser, M; Lötze, E; Malan, C; Dzikiti, Sebinasi; Steyn, WJDate:Jan 2017Pulsing irrigation is a supplementary irrigation strategy whereby South African apple growers aim to reduce tree stress during a heat wave by applying additional water to the orchard floor using microsprinklers. The aim of this research was ...Read more
Author:Mathieu, Renaud; Main, Russell S; Roy, DP; Naidoo, Laven; Yang, HDate:Jun 2019Savannahs are mixed woody-grass communities where low-intensity surface fires are common, affecting mostly the grass layer and rarely damaging trees. We investigated the effect of surface fires in a savannah system in the Kruger National Park, ...Read more
Author:Ramontja, J; Ray, SS; Kesavan Pillai, Sreejarani; Luyt, ASDate:Jan 2011This paper discusses various properties of Poly(lactide) upon nanocomposite formation with functionalized multiwalled carbon nanotubes (f-MWCNTs). The composite was prepared through melt extrusion technique. Functionalization of carbon nanotubes ...Read more
Author:Mkhonto, D; De Leeuw, NHDate:Jan 2008Computer modelling techniques were employed to investigate the effect of surface silanol groups on the strength of adhesion of apatite thin films to silica surfaces. To this end, the researchers have studied a series of silica surfaces with ...Read more
Author:Ncube, Ntombizodwa M; Zheng, HaitaoDate:Jan 2020In this work, we carried out a detailed research on the effect of synthesis temperature on the properties of TiO(sub2) (B) nanorods and its hydrogen titanate precursors. At the initial stage, hydrogen titanates (HTOs)were synthesised at ...Read more
Author:Focke, WW; Van der Westhuizen, I; Lofté Grobler, AB; Nshoane, KT; Reddy, JK; Luyt, ASDate:Apr 2012Biodiesels were prepared using base catalyzed methanolysis of sunflower, soybean and canola oils. Rancimat oxidative stability measurements showed that the induction period (IP) for neat canola biodiesel conformed to EN 14214, the European ...Read more
Author:Roos, TH; Kruger, EDate:Sep 2007The T56 Series III 1st stage rotor blade is cooled using moderately preswirled air from 36 preswirl injection nozzles. The amount of swirl achieved by discrete preswirl coolant jets is generally unknown, due to mixing losses. A “frozenrotor” ...Read more
Author:Gbashi, S; Njobeh, P; Steenkamp, P; Tutu, H; Madala, NDate:Jun 2016Pressurized hot water extraction (PHWE) technique has recently gain much attention for the extraction of biologically active compounds from plant tissues for analytical purposes, due to the limited use of organic solvents, its cost-effectiveness, ...Read more
Author:Walters, Chavon R; Cheng, Po-Hsun; Pool, E; Somerset, VDate:Jan 2016Biomarkers of oxidative stress have been widely used in environmental assessments to evaluate the effects of exposure of aquatic organisms to contaminants from various anthropogenic sources. Silver nanoparticles (AgNP), the most produced NP ...Read more
Author:Khoza, BS; Chimuka, L; Mukwevho, E; Steenkamp, PA; Madala, NEDate:Oct 2014Metabolite extraction methods have been shown to be a critical consideration for pharmacometabolomics studies and, as such, optimization and development of new extraction methods are crucial. In the current study, an organic solvent-free ...Read more
Author:Moloto, N; Revaprasadu, N; Musetha, PL; Moloto, MJDate:2009A novel ligand to the synthesis of nanoparticles has been employed in this study. A Tetramethylthiuram disulphide cadmium complex (abundant in sulphur atoms) was used as a single-source precursor for the synthesis of CdS nanoparticles. The ...Read more
Author:Khuluse, SDate:Aug 2009Recent concerns over the potential impact of climate change have made governments conscious of the importance of mitigation plans against the harmful effects of natural hazards. This has reinforced the undertaking of initiatives that are ...Read more
Author:Khuluse, SDate:Aug 2009Recent concerns over the potential impact of climate change have made governments conscious of the importance of mitigation plans against the harmful effects of natural hazards. This has reinforced the undertaking of initiatives that are ...Read more
Author:Mulopo, J; Schaefer, Lisa MDate:Sep 2013Mineral mining generates acidic, saline, metal-rich mine waters, often referred to as acid mine drainage (AMD). Treatment of AMD and recovering saleable products during the treatment process are a necessity since water is, especially in South ...Read more
Author:Milev, AM; Spottiswoode, SMDate:Jan 2002The Ventersdorp Contact Reef is characterised by a variety of different rock types that are found above and below the reef in different mining areas. These variations in the host rock type have been classified into six main geotechnical areas. ...Read more
Author:Bolokang, AS; Phasha, MJ; Camagu, ST; Motaung, DE; Bhero, SDate:Mar 2012Stabilization of the metastable FCC phase has been achieved after 10 h milled Co powder sintering at 1400 °C. Phase identification of the Co powders was performed by the X-ray diffraction analysis, while the microstructural analyses were ...Read more
Author:Bill, M; Kesavan Pillai, Sreejarani; Tinyane, P; Ray, Suprakas S; Sivakumar, DDate:Jan 2018After earlier promising results for the control of anthracnose in avocado fruit by thyme vapours, our studies were extended to commercial use in tray packs. The effect of thyme oil low-density polyethylene impregnated pellets (TO-LDPE-P) in ...Read more
Author:Pandelani, Thanyani A; Ahmed, RDate:Oct 2014Lower leg injury risk is commonly assessed using lower limb surrogates. The HIII and the THOR-Lx has been shown to have low biofidelity due to their geometry and material properties. A new surrogate (the MIL-Lx) was developed to address these ...Read more
Author:Genthe, Bettina; Strauss, N; Seager, J; Vundule, C; Maforah, F; Kfir, RDate:1997Efforts to provide water to developing communities in South Africa have resulted in various types of water supplies being used. This study examined the relationship between the type of water supply and the quality of water used. Source (communal ...Read more