Author:Jovanovic, Nebojsa; Israel, SDate:Jan 2012The chapter is structured in three parts, namely: i) A theoretical overview of evapotranspiration processes, including the principle of atmospheric demand-soil water supply, ii) A review of methods and techniques to measure and estimate actual ...Read more
Author:Kelly, AM; Jager, AJDate:Oct 1996The quality of installation and grouting of rock reinforcing tendons is seen as a serious problem by the mining industry. Up to half of all full-column grouted steel tendons or rock bolts installed in South African gold and platinum mines are ...Read more
Author:Taylor, NJ; Mahohoma, W; Vahrmeijer, JT; Gush, Mark B; Allen, RG; Annandale, JGDate:01 Mar 2015The estimation of crop water use is critical for accurate irrigation scheduling and water licenses. However, the direct measurement of crop water use is too expensive and time-consuming to be performed under all possible conditions, which ...Read more
Author:Kleynhans, N; Barnard, EDate:Dec 2013Mismatches between application and training data greatly reduce the performance of automatic speech recognition (ASR) systems. However, collecting suitable amounts of in-domain and application-specific data for training is resource intensive ...Read more
Author:Funke, Nicola S; Jacobs-Mata, Inga M; Nohayi, NgowenaniDate:Jun 2018SA has been receiving millions of migrants from neighbouring countries and further afield. Environmental factors can be one of push factors that contribute to people’s decision to move. Easier identifiable in cases of rapid onset disasters ...Read more
Author:Zandamela, Frank; Ratshidaho, Terence; Nicolls, F; Stoltz, George GDate:Nov 2022Deep learning has gained traction due its supremacy in terms of accuracy and ability to automatically learn features from input data. However, deep learning algorithms can sometimes be flawed due to many factors such as training dataset, ...Read more
Author:Luo, H; Vaivars, G; Modibedi, Remegia M; Mathe, Mahlanyane KDate:Jul 2009The low-cost cross-linked Polyetheretherketone (PEEK) proton exchange membranes were prepared via the simple route. The membranes exhibited similar electrochemical properties as compared with commercial Nafion. The membranes were highly proton ...Read more
Author:Louw, Johannes ADate:Aug 2023In this work, we explore the use of phonological features incross-lingual transfer within resource-scarce settings. We modify the architecture of VITS to accept a phonological feature vector as input, instead of phonemes or characters. ...Read more
Author:Lou, H; Vaivars, G; Mathe, Mahlanyane KDate:Oct 2009The low cost proton exchange membrane was prepared by cross-linking water soluble sulfonated-sulfinated poly(oxa-p-phenylene-3,3-phthalido-p-phenylene-oxa-p-phenylene-oxyphenylene) (SsPEEK-WC). The prepared cross-linked membrane became insoluble ...Read more
Author:Mokgonyane, TB; Sefara, Tshephisho J; Manamela, MJ; Modipa, TIDate:Aug 2021The task of automatically identifying and/or verifying the identity of a speaker from a recording of a speech sample, known as automatic speaker recognition, has been studied for many years and automatic speaker recognition technologies have ...Read more
Author:Wall, KDate:Jul 2008Private sector institutions utilise many different business methods, some of which can selectively be adapted for use by organisations outside the private sector, to the benefit of their service delivery responsibilities. But the best of the ...Read more
Author:Butgereit, LDate:May 2014Twitter is a microblogging facility that allows people to post 140 character status updates about various topics. In times of special events (such as extreme weather, emergencies, sporting goals, etc), status updates on Twitter often give ...Read more
Author:Herold, C; Wall, K; Botha, DDate:28 Jan 2009There is currently a high level of public interest in water-related matters, and the government is clearly concerned about a number of important water and sanitation issues. Increasing water scarcity and equitably allocating this precious ...Read more
Author:De Beer, Morris; Van Rensburg, Yvette; Komba, Julius JDate:Jul 2014Crushing (or compression) failure and associated surface deformation of lightly cementitious (stabilised) materials used for base/sub-base course layers in pavements has been well established in the South African pavement design practice since ...Read more
Author:Van der Walt, PJDate:1952The run-of-mine coal is to be broken in such a manner that 55% of it has a top size 1 half inches and that the ratio between top and bottom size does not exceed 5 to 1.Read more
Author:El Tahir, N; Nyblade, A; Julià, J; Durrheim, RDate:May 2013The crustal structure of the northern part of the Khartoum Basin has been investigated using data from 3 permanent seismic stations within 40 km of Khartoum and two modeling methods, H–k stacking of receiver functions and a joint inversion ...Read more
Author:Pritchard, SW; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Jun 2018The Software-Defined Wireless Sensor Networking (SDWSN) paradigm aims to solve inherent issues present in Wireless Sensor Networks (WSN), such as resource constraints, by adopting a Software-Defined Networking (SDN) approach to the management ...Read more
Author:Modibedi, Remegia MDate:Sep 2011Electrochemical atomic layer deposition technique is selected as one of the methods to prepare thin films for various applications, including electrocatalytic materials and compound.Read more
Author:Kesavan Pillai, Sreejarani; Ojijo, Vincent O; Ray, Suprakas SDate:Jun 2014Polylactide palygorskite (fibrous clay) composites were prepared by solvent casting method. Both pristine and organically modified palygorskite were used for composite preparation. The detailed crystallization behavior, morphology, and thermal ...Read more
Author:Muller, TFG; Knoesen, D; Arendse, C; Swanepoel, R; Halindintwali, S; Theron, CDate:2006Hot-wire chemical vapour deposition (HWCVD) has been used to prepare both hydrogenated amorphous silicon (a-Si:H) and nano/ microcrystalline thin layers as intrinsic material at different deposition conditions, in order to establish optimum ...Read more