Author:Das, R; Sypu, VS; Paumo, HK; Bhaumik, M; Maharaj, V; Maity, ArjunDate:May 2019Developing innovative technologies for the efficient treatment of wastewater containing toxic organic pollutants is of particular importance worldwide. Removal of organic contaminants from aqueous media through chemical reduction using noble ...Read more
Author:Bello, A; Fabiane, M; Dodoo-Arhin, D; Ozoemena, KI; Manyala, NDate:Jan 2014Silver metal nanoparticles were decorated by electron beam evaporation on graphene foam (GF) grown by chemical vapour deposition. X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopy, and atomic force microscopy ...Read more
Author:Estuarine and Coastal Research UnitDate:Sep 1982Various charts and title deeds give the name of the river as the Zilvermyn rivier, Silver Mijn Stream or Silvermynrivier. The name Silvermine apparently originates from attempts in the 1680s to mine silver in the valley through which this ...Read more
Author:Masemola, CecilIa R; Cho, Moses ADate:Mar 2019Wavelengths selection plays a vital role in identifying the best spectral features for assessing leaf nitrogen concentration from hyperspectral data of dry and fresh leaves. The spectra of fresh leaves are primarily influenced by leaf water ...Read more
Author:Khanyile, NP; De Kock, A; Mathekga, Mmamolatelo EDate:Sep 2014This paper identifies and analyses the factors that contribute to the similarity between two sets of minutiae points as well as the probability that two sets of minutiae points were extracted from fingerprints of the same finger. Minutiae-based ...Read more
Author:Van Wyngaardt, WM; Simpson, BRSDate:01 Aug 2006A simple counting technique to measure mixtures of two pure beta-emitting radionuclides is described. The method is based on elements of two liquid scintillation techniques that are widely used to measure single-radionuclide solutions, namely ...Read more
Author:Musee, N; Nota, NDate:Sep 2009This presentation commences by briefly defining nanotechnology, as well as nanotechnology application and products. Examples of nanotechnology risks concerns are supplied, followed by a risk assessment of nanomaterials in product lifecycle. ...Read more
Author:Engelbrecht, Jeanine; Theron, Andre; Vhengani, Lufuno; Kemp, JDate:Jul 2017In fire-prone ecosystems, periodic fires are vital for ecosystem functioning. Fire managers seek to promote the optimal fire regime by managing fire season and frequency requiring detailed information on the extent and date of previous burns. ...Read more
Author:Johnson, D; Ntlatlapa, Ntsibane S; Aichele, CDate:Oct 2008Development and performance analysis of ad hoc networking protocols has typically been performed by making use of software based simulation tools. However when running a routing protocol such as OLSR in large mesh network deployments, such ...Read more
Author:Lysko, Albert ADate:Aug 2011The condition number for a method-of-moments’ impedance matrix resulting from a junction of several wires is frequency dependant and can be minimized at a given frequency using several approaches. An empirical formula for an optimum, ...Read more
Author:Zawaira, A; Shibayama, YDate:Dec 2012The study of the protein-protein interactions (PPIs) of unique ORFs is a strategy for deciphering the biological roles of unique ORFs of interest. For uniform reference, we define unique ORFs as those for which no matching protein is found ...Read more
Author:Ntuli, N; Abu-Mahfouz, Adnan MIDate:May 2016Water scarcity and water stress issues have become clear threat to the global population. This makes water management a critical aspect to ensure sustainable water. An efficient water management system requires thousands of constraint devices ...Read more
Author:Smith, Andrew CDate:Jun 2009In this paper, researchers have proposed simple tangible language elements for very young children to use when constructing programmes. The equivalent Turtle Talk instructions are given for comparison. Two examples of the tangible language ...Read more
Author:Esser, D; Preussler, DDate:2005The presentation is about the simple technique to measure the thermal lens; Same pumping conditions as real laser; Same cooling configuration as real laser; Comparative experiment made; Nd:YVO4 has smaller thermal lens than Nd:GdVO4; Nd:GdVO4 ...Read more
Author:Clarke, SDate:Oct 2012In this study, 5 000 kg of sawdust was effectively used to denitrify an industrially-high contaminated site. Total removal of nitrate concentration of up to
600 mg/L NO 3 as N was achieved.Read more
Author:Van der Merwe, JNDate:Nov 1998This report traces the chain of events from system design through to the installation of roofbolts in the underground coal mines. The mathematical design aspects are covered in the main body of the report while the practical monitoring methods, ...Read more
Author:Snedden, Glen CDate:Sep 2003A comprehensive computational fluid dynamics (CFD) model of an actual disc cavity, complete with rotation and conjugate heat transfer, is presented. The model uses a commercially available code with geometrical accuracy including a labyrinth ...Read more
Author:Jordaan, Johannes PDate:Nov 2022An alternative formula to the current standard is proposed for the calculation of the relative rib area of concrete reinforcing bar (rebar). The relative rib area is an important geometrical feature of rebar, as it facilitates distributed ...Read more
Author:Deksissa, T; Meirlaen, J; Ashton, PJ; Vanrolleghem, PADate:Jun 2004This study aims to develop a simple dynamic river water quality model that can be applicable in a data limited situation and is compatible with typical activated sludge models, so that the model can be used in integrated modelling of wastewater ...Read more