Author:Salehiyan, Reza; Nofar, M; Ray, Suprakash S; Ojijo, Vincent ODate:Jul 2019This study illustrates the effects of the kinetic parameters [processing time, polyvinylidene fluoride (PVDF) viscosity, carbon nanotube (CNT) aspect ratio, and processing method] on the CNT migration and consequently the viscoelastic properties, ...Read more
Author:Masindi, Vhahangwele; Gitari, WM; Ngulube, TDate:Sep 2015In the present study, the defluoridation capabilities and adsorption mechanisms of cryptocrystalline magnesite were evaluated. All experiments were done by batch procedure. Conditions assessed include time, dosage, concentration, pH and the ...Read more
Author:Mashangoane, BF; Chirwa, EN; Mahlathi, Christopher DDate:May 2023Palladium is a rare platinum group metal concentrated in the Earth's core and mantle; because of its scarcity, its waste recovery and reuse options are economically appealing. Traditional strategies for extracting PGMs from effluents have a ...Read more
Author:Cambridge, GJ; Smith, R; Gush, Kim LDate:2008The Digital Doorway is a joint project between the South African Department of Science and Technology (DST) and the Meraka Institute, aimed at the promotion of computer literacy and associated skills in Africa. The assumption is that people ...Read more
Author:De Decker, HPDate:Oct 1989This report provides historical overview on river catchment, ecology, biotic and abiotic characteristics and available information on the Klein estuary. Kleinriviersvlei is popularly known as "Hermanus Lagoon". In some of the accounts of ...Read more
Author:Robinson, GADate:Apr 1974Knit-de-knit body blanks were produced in various stitch length from approximately 67/33 polyester/ cotton blend yarns, and a ratio equal to finish stitch length for various tex yarns as calculated.Read more
Author:Robinson, GA; Cawood, MP; Dobson, DADate:Apr 1976The knittability of a range of yarn linear densities was determined from knittability curves of tightness factor versus the number of yarn breakages, during the knitting of plain single jersey fabrics.Read more
Author:Robinson, GA; Cawood, MP; Dobson, DADate:Jul 1977The knitting of short staple wool blend yarns on a 28 gauge single jersey knitting machine was investigated.Read more
Author:Godfrey, M; Wall, K; Marler, MDate:May 2009There is global acknowledgement that the financing of water projects is not easy. Preparation of water sector projects is understood to take long and still when they are finally financed, cost-recovery is comparatively difficult. The challenges ...Read more
Author:Smuts, H; Kotzé, Paula; van der Merwe, A; Loock, MDate:Apr 2015Organisations have over time realised that leveraging their already accumulated knowledge assets are the most cost effective way to increase their competitive standing and to harness innovation. In choosing to outsource their information ...Read more
Author:Molapo, DDate:17 Jul 2007Creation, manipulation, management and dissemination of knowledge cannot go on forever without determining what impact it is having on those who create it and those who use it. This paper explores methods of determining the impact of disseminated ...Read more
Author:Chakwizira, J; Makhubela, L; Mashiri, MDate:May 2009This paper reviews the southern African region’s economic integration and knowledge management terrain from a spatial perspective. Its purpose is to generate insights relating to the role that space and spatial structure play in determining ...Read more
Author:Smuts, H; Loock, M; van der Merwe, A; Kotzé, PaulaDate:Jul 2015Information systems (IS) outsourcing is a complex, multi-layered and a multifaceted concept. An organisation may gain access to knowledge it does not own in-house or be able to obtain it at a lower price by entering into an outsourcing ...Read more
Author:Makondo, N; Rosman, Benjamin S; Hasegawa, ODate:Nov 2015Learning of robot kinematic and dynamic models from data has attracted much interest recently as an alternative to manually defined models. However, the amount of data required to learn these models becomes large when the number of degrees ...Read more
Author:Boloka, Tlou J; Makondo, N; Rosman, BDate:Jan 2021Deep reinforcement learning has recently been adopted for robot behavior learning, where robot skills are acquired and adapted from data generated by the robot while interacting with its environment through a trial-and-error process. Despite ...Read more
Author:Coetzer, W; Moodley, D; Gerber, ADate:Nov 2014We modeled expert knowledge of arthropod flower-visiting behavioral ecology and represented this in an event-centric domain ontology, which we describe along with the ontology construction process. Two smaller domain ontologies were created ...Read more
Author:Coetzer, W; Moodley, D; Gerber, ADate:Nov 2017Semantic heterogeneity hampers efforts to find, integrate, analyse and interpret ecological data. An application case-study is described, in which the objective was to automate the integration and interpretation of heterogeneous, flower-visiting ...Read more
Author:Parbhoo, C; Moodley, DDate:Mar 2007The discovery, access and sharing of suitable geospatial information in current open and distributed Spatial Data Infrastructures (SDI) still pose a major challenge. These problems usually stem from a lack of consistent semantics that is ...Read more
Author:Grindley, JRDate:Mar 1985The report entails available historical information on Knysna estuary and abiotic and biotic characteristics found in the estuary are presented. The Knysna system is commonly referred to as a lagoon but it may also correctly be called an ...Read more