Browsing Faculty of Natural and Agricultural Sciences by Title
Now showing items 725-744 of 4825
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Comparing club level rugby coaches and players’ perceptions of coaching effectiveness
(AFAHPER-SD, 2014)The objective of this study was to compare players' and coaches' perceptions on coaching effectiveness. A total of 155 participants from the Puk Rugby institute (PRI) were available for this study (players, n = 142; coaches, ... -
Comparing club level rugby coaches and players’ perceptions of coaching effectiveness
(LAM Publications, 2014)The objective of this study was to compare players' and coaches' perceptions on coaching effectiveness. A total of 155 participants from the Puk Rugby institute (PRI) were available for this study (players, n = 142; coaches, ... -
Comparing grapheme-based and phoneme-based speech recognition for Afrikaans
(PRASA, 2012)This paper compares the recognition accuracy of a phoneme-based automatic speech recognition system with that of a grapheme-based system, using Afrikaans as case study. The first system is developed using a conventional ... -
Comparing legislative mechanisms for sea screening and decision-making: Austrian and Australian experiences
(Imperial College Press, 2010) -
Comparing mathematics knowledge of first-year students from three different school curricula
(ASSAf, 2019)Mathematics forms an integral part in the training of scientists and engineers. In recent history the South African school system has experienced several changes in school curricula. In 1994 the traditional knowledge based ... -
Comparing support vector machine and multinomial naive Bayes for named entity classification of South African languages
(PRASA, 2014)In this study, two classical machine learning algorithms, multinomial naive Bayes and support vector machines, are compared when applied to named entity recognition for two South African languages, Afrikaans and English. The ... -
Comparing the effect of modeled climatic variables on the distribution of African horse in South Africa and Namibia
(Wiley, 2015)Africa horse sickness (AHS) is a lethal disease of horses with a seasonal occurrence that is influenced by environmental conditions that favor the development of Culicoides midges (Diptera: Ceratopogonidae). This study ... -
Comparing two mass size distributions
(SAIMM, 2012)We consider in this paper the use of a modified version of Hotelling’s statistic in the analysis of particle size distributions. The statistic can be adversely affected by the presence of outliers among the data. We ... -
A comparison between centre-based and expedition-based (wilderness) adventure experiential learning regarding group effectiveness : a mixed methodology
(University of Stellenbosch Department of Sport Science, 2013)The purpose of this study was to compare the effectiveness of a centre-based adventure program with an expedition-based wilderness program with regard to group effectiveness. For comparisons, this study made use of a ... -
A comparison between centre-based and expedition-based (wilderness) adventure experiential learning regarding group effectiveness: a mixed methodology
(Stellenbosch University, 2013)The purpose of this study was to compare the effectiveness of a centre-based adventure program with an expedition-based wilderness program with regard to group effectiveness. For comparisons, this study made use of a ... -
A comparison of additive and multiplicative functions for water poverty index calculation
(International Business Information Management Association, 2013)The aim of this research is to quantify the difference in the water poverty index when calculated with the additive function compared to the multiplicative function. It is calculated and compared for the three towns that ... -
A comparison of aquatic macroinvertebrate and large branchiopod community composition between temporary pans of a conservation area and surrounding communal area in South Africa
(Taylor & Francis, 2020)Although temporary wetlands are often biodiversity hotspots that deliver multiple ecosystem services, they are also threatened by human exploitation. We conducted a comparative field study to investigate the impact of ... -
Comparison of astrospheres around cool and hot stars
(IOP Publishing, 2016)Simulations of astrospheres around hot and cool stars have recently move into the focus of scientific research. We describe here the differences between the astrospheres around hot and cool stars. While those around the ... -
Comparison of commercial and locally developed layers performance and egg size prediction using regression tree method
(Oxford University Press, 2017)The aim of this study is to compare the hen-day egg production (HDEP) (%), egg size (ES) (g), feed intake (FI) (g), bodyweight (BWT) (kg), body weight gain (BWTG) (g), feed conversion ratio (FCR), feed utilization (FU), ... -
Comparison of decision-making under uncertainty investment strategies with the money market
(IBIMA, 2010)This paper proposes different investment strategies for portfolio selection based on decision-making under uncertainty, rather than the conventional Markowitz portfolio model. The results of perfect information and the ... -
Comparison of extractants for the separation of TaF5 and NbF5 in different acidic media
(Elsevier, 2014)To optimise the solvent extraction (SX) of Ta and Nb, eight different extractants were investigated, including the cation exchangers di-iso-octyl-phosphinic acid (PA) and di-(2-ethylhexyl)-phosphoric acid (D2EHPA), the ... -
A comparison of four sputum pre-extraction preparation methods for identifying and characterising Mycobacterium tuberculosis using GCxGC-TOFMS metabolomics
(Elsevier, 2012)In many pulmonary diseases, sputum is a valuable sample material for use in disease characterisation and diagnostics. However, due to its high viscosity and uneven consistency (lumpiness), it is difficult to obtain ... -
Comparison of ionically and ionical-covalently cross-linked polyaromatic membranes for SO2 electrolysis
(Elsevier, 2014)It has been shown that hydrogen, which can be used for energy storage, can be produced efficiently by the membrane based Hybrid Sulfur (HyS) process. During the HyS electrolysis step, SO2 and H2O are converted to H2 and ...
