Author:Tjelele, TJ; Ward, D; Dziba, LEDate:Feb 2015Seed pods of Dichrostachys cinerea and Acacia nilotica have higher nutritive value than grasses and other browse plants during the dry season and form an important part of the diet of livestock. Seeds of Acacia may be destroyed during passage ...Read more
Author:Long, Craig S; Loveday, Philip W; Groenwold, AADate:Jan 2009The effects of selected planar finite element formulations, and their associated integration schemes, on the stiffness of a checkerboard material layout are investigated. Standard 4-node bilinear elements, 8- and 9-node quadratic elements, ...Read more
Author:Semete, B; Booysen, L; Kalombo, Lonji; Ramalapa, B; Hayeshi, R; Swai, HSDate:Mar 2012The surface of nanoparticles is often functionalised with polymeric surfactants, in order to increase systemic circulation time. This has been investigated mainly for intravenously administered nanoparticles. This study aims to elucidate the ...Read more
Author:Mathabathe, Maria N; Modiba, Rosinah; Bolokang, Amogelang SDate:Aug 2021The effect of Nb, Sn, Mn, and Si at a concentration of (0.3-2 at. %) on -TiAl based alloys’ preferential occupancy, interfacial energetics and mechanical properties were investigated by density functional theory (DFT) encompassed by the ...Read more
Author:Le Roux, Lukas JDate:Aug 2009Dye-sensitised solar cells (DSC) have attracted much attention during the last few years due to their high efficiencies and their potentially low production costs. The technology is based on a thin layer of nano sized, high band gap (3.2 eV) ...Read more
Author:Tjelele, J; Ward, D; Dziba, LDate:Feb 2015The increasing rate of woody plant encroachment in grasslands or savannas remains a challenge to livestock farmers. The causes and control measures of woody plant encroachment are of common interest, especially where it negatively affects the ...Read more
Author:Luus, FPS; Van den Bergh, F; Maharaj, BTJDate:Jun 2013Settlement classifiers for multitemporal satellite image analysis have to overcome numerous difficulties related to across-date variances in viewing- and illumination geometry. Shadow anisotropy is a prominent contributing factor in classifier ...Read more
Author:Davis, PC; Small, JCDate:1964A range of experiments was done to investigate the influence of the distance of the impeller from the bottom of the cell on the product yield and ash content of the products.Read more
Author:Luus, FPS; Van den Bergh, F; Maharaj, BTJDate:Jul 2012QuickBird imagery acquired on separate dates may have significant differences in viewing- and illumination geometries, which can negatively impact across-date settlement type classification accuracy. The effect of cast shadows on classification ...Read more
Author:Lategan, KL; Walters, Chavon R; Pool, EJDate:Jan 2019Silver nanoparticles (AgNPs) are commonly found in consumer products due to their antimicrobial properties. This study evaluated the effects of AgNPs on the murine macrophage cell line RAW 264.7 and human whole blood cell cultures (WBCs). ...Read more
Author:Vhengani, LM; Griffith, D; Lysko, MDate:Jul 2012Modulation Transfer Function (MTF) is a measure of the spatial resolution of an optical imaging system. For Earth Observation (EO) imaging systems in space, continuous MTF assessment is crucial for data quality. Several techniques of measuring ...Read more
Author:Mlalila, N; Swai, H; Kalombo, Lonji; Hilonga, ADate:Dec 2014The goal of this study was to explore the effects of spray-drying on w/o/w double emulsions of methyltestosterone (MT) loaded in a stearic acid matrix. MT-loaded nanoparticles were formulated by a water-in-oil-in-water emulsion technique using ...Read more
Author:Ocloo, FCK; Ray, Suprakas S; Emmambux, NMDate:May 2019This study determines the effects of stearic acid and gamma irradiation, alone and in combination, on properties of amylose-lipid nanomaterials from pasted high amylose maize starch (HAMS) with and without alpha amylase hydrolysis. HAMS was ...Read more
Author:Lekoadi, Paul M; Tlotleng, Monnamme; Masina, Bathusile NDate:Dec 2021This work investigated the influence of heating temperature (°C) on the microstructure and microhardness of TiB/Ti6Al4V-ELI composite clads that were produced via in-situ alloying using laser metal deposition technique. The samples were ...Read more
Author:Botha, JG; Eloff, MM; Swart, IDate:Aug 2015The Protection of Personal Information (PoPI) Act was created to promote the constitutional right to privacy in South Africa by safeguarding personal identifiable information (PII). This Act respects the right to privacy of customers and ...Read more
Author:Ochonogora, OF; Meacock, C; Abdulwahaba, M; Pityana, Sisa L; Popoolaa, APIDate:Dec 2012Titanium metal matrix composite (MMCs) was developed on titanium alloy (Ti–6Al–4V) substrate with the aim of improving the hardness and wear properties by laser cladding technique using a Rofin Sinar 4 kW Nd: YAG laser. Wear investigations ...Read more
Author:Kiarii, EM; Govender, Krishna; Mamo, MA; Govender, PPDate:Jan 2019Two–dimensional TiSe2, with Yb14MnSb11 and AlSb9Yb11 thermoelectric materials, were used to generate heterostructures. The electronic and optical calculations were done using the Materials Studio 2018 modelling software package, employing the ...Read more
Author:Mofolo, MRO; Lysko, Albert A; Clarke, WA; Olwal, TODate:Sep 2011Influences of variations in the structural parameters (or antenna dimensions) of the five elements circular switched parasitic array (SPA) antenna at 2.4 GHz are investigated in this paper. Variations in the structural parameters are assumed ...Read more
Author:Davis, PCDate:1963An investigation was conducted to determine the effects of factors on the floatability of small samples of Greenside coal.Read more