Author:Huang, B; Liu, Y; Lu, Z; Shen, M; Jie, Z; Ren, Jianwei; Li, X; Liao, SDate:Sep 2019Prussian blue (PB) and its analogues have been widely investigated as promising cathode materials for potassium ion batteries (PIBs) on account of their 3D open framework, which makes the intercalation/deintercalation of K+ ions easy and ...Read more
Author:De Beer, Morris; Van Heerden, AdelaiDate:2017The aim of this study was to profile the psychological coping, learning potential and career-related interests of 251 candidates for operational force military selection for the South African National Defence Force (SANDF) – 26 of whom were ...Read more
Author:Debelo, NG; Dejene, FB; Roro, Kittessa TDate:Apr 2017The influence of target to substrate distance (dts) on the structural, morphological and photoluminescence (PL) properties of commercially obtained KY3F10 : Ho3+ phosphor thin films prepared by pulsed laser deposition is investigated for dts ...Read more
Author:Van Bennekom, A; Berndt, F; Rassool, MNDate:Apr 2001This paper presents a collection of pump impeller failures that have been encountered during the consulting activities at the University of the Witwatersrand and the Plant Infrastructure and Pipelines Centre at the Council for Scientific and ...Read more
Author:Bernt, F; Van Bennekom, ADate:Apr 2001During operation, pump shafts usually suffer from degradation as a result of corrosion and/or mechanical degradation, usually in the form of fatigue failures. In many cases corrosion precedes fatigue failure and can actually accelerate the ...Read more
Author:Serwale, Matsie R; Coetsee, T; Fazluddin, ShahedDate:May 2020The CSIR is developing a process to produce commercially pure (CP) Grade 4 titanium metal powder via direct metallothermic reduction of TiCl4. Crude titanium produced by this method is inevitably contaminated with unreacted reducing metal and ...Read more
Author:Serwale, MR; Coetsee, T; Sole, KC; Fazluddin, ShahedDate:Dec 2022The CSIR-Ti process employs lithiothermic reduction of titanium tetrachloride feedstock to produce titanium sponge. The product is therefore contaminated by a range of lithium and chloride species. In this study we examine the effects of ...Read more
Author:Sroor, H; Lisa, Nyameko; Naidoo, Darryl; Litvin, Ihar; Forbes, ADate:Apr 2018Creating high-quality vector vortex (VV) beams is possible with a myriad of techniques at low power, and while a few studies have produced such beams at high power, none have considered the impact of amplification on the vector purity. Here ...Read more
Author:Bidwell, NJ; Winschiers-Theophilus, H; Kapuire, GK; Rehm, MDate:Sep 2011Designing interactions with technologies that are compatible with rural wisdom and skills can help to digitally enfranchise rural people and, thus, contribute to community cohesion in the face of Africa’s urbanization. Oral information has ...Read more
Author:Van der Walt, M; Cooper, Antony K; Netterberg, I; Rubidge, BSDate:Nov 2015A geographical information system (GIS) database was compiled of Permo-Triassic tetrapod fossils from the Karoo Supergroup in South African museum collections. This database is the first of its kind and has great time applicability for ...Read more
Author:Haywood, Lorren KDate:Oct 2021Purpose: This research investigates what is driving corporate sustainability within South African organisations and to what extent these drivers intersect with risk management. This is important as new and emerging business risks are proving ...Read more
Author:Merckel, RD; Heydenrych, MD; Sithole, Bishop BDate:Mar 2021An advancement in the analytical capabilities of pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) with evolved gas analysis-mass spectrometry (EGA-MS) is presented. The combined method of analysis can predict elemental composition ...Read more
Author:Mamushiane, Lusani; Shozi, Themba CDate:May 2021SDN marks a paradigm shift towards an externalized and logically centralized controller, unlike the legacy networks where control and data planes are tightly coupled. The controller has a comprehensive view of the network, offering flexibility ...Read more
Author:Zengeya, TA; Robertson, MP; Booth, AJ; Chimimba, CTDate:Jan 2013This study outlines the development of a qualitative risk assessment method and its application as a screening tool for determining the risk of establishment and spread of the invasive Nile tilapia, Oreochromis niloticus (Linnaeus, 1758), ...Read more
Author:Henrico, S; Coetzee, S; Cooper, Antony KDate:Nov 2022We conducted a study to find out whether and why South African users accepted QGIS. In the quantitative part of the study, we found that QGIS acceptance is primarily influenced by habit, followed by facilitating conditions, price value, and ...Read more
Author:Ndiege, JRA; Wayi, N; Herselman, Martha EDate:Feb 2012The use of Information Systems (IS) of acceptable quality has been viewed to be vital for improving the efficiency and effectiveness of business operations. Many SMEs in developing countries are beginning to embrace the use of IS to help ...Read more
Author:Masonta, Moshe T; Rananga, SDate:Aug 2023The growing demand for high-speed and ubiquitous connectivity continues to present new challenges for efficient usage, management and sharing of radio frequency spectrum. Dynamic spectrum access concept, enabled by cognitive radio technology, ...Read more
Author:Botha, GE; Oliveira, JC; Ahrné, LDate:Apr 2012Combination of osmotic dehydration with microwave assisted air drying offers increased flexibility for process control and product quality. Osmotic dehydration (55ºBrix solution at 40ºC for 90 minutes) combined with microwave assisted air ...Read more