Browsing by Title

The analysis of irregularly observed stochastic astronomical time-series – I. Basics of linear stochastic differential equations

Koen, Chris (Oxford University Press, 2005)

The theory of low-order linear stochastic differential equations is reviewed. Solutions to these equations give the continuous time analogues of discrete time autoregressive time-series. Explicit forms for the power ...

An analysis of pulsation periods of long period

Hart, Jeffrey D.; Koen, Chris; Lombard, Fred (Royal Statistical Society, 2007)

Summary: We report the results of a period change analysis of time series observations for 378 pulsating variable stars. The null hypothesis of no trend in expected periods is tested for each of the stars. The tests are ...

An analysis of the current and future deployment of Information Systems and Technology at the University of the Western Cape

Bytheway, Andrew J. (Dept of Information Systems, Univ. of the Western Cape, 2000)

In order to successfully deploy information technology and information systems, any organisation must have a strategy indicating where its business is going, an understanding of the information systems that will help to ...

An analysis of what has been "lost" in the interpretation and transcription process of selected TRC testimonies

Bock, Zannie; Mazwi, Ngwanya; Metula, Sifundo; Mpolweni-Zantsi, Nosisi (Department of General Linguistics, Stellenbosch University, 2006)

The main aim of this research is to evaluate “what has been lost” in the simultaneous interpretation and transcription processes of selected Truth and Reconciliation Commission (TRC) testimonies. The testimonies under ...

ANCAEE: A Novel Clustering Algorithm for Energy Efficiency in Wireless Sensor Networks

Abidoye, Ademola P.; Azeez, Nureni A.; Adesina, Ademola Olusola; Agbele, Kehinde K. (Scientific Research Publishing, 2011)

One of the major constraints of wireless sensor networks is limited energy available to sensor nodes because of the small size of the batteries they use as source of power. Clustering is one of the routing techniques that ...

Antarctic Dry Valley mineral soils contain unexpectedly high levels of microbial biomass

Cowan, Donald A.; Mamais, A.; Russell, Nick A.; Sheppard, Devon M. (Springer Verlag, 2002)

We have applied bioluminescent ATP detection methods to microbial enumeration in Antarctic Dry Valley mineral soils, and validated our ATP data by two independent methods. We have demonstrated that ATP measurement is ...

Antimicrobial activity of two South African honeys produced from indigenous Leucospermum cordifolium and Erica species on selected micro-organisms

Basson, Nicolaas; Grobler, Sias (BioMed Central, 2008)

Background: Honey has been shown to have wound healing properties which can be ascribed to its antimicrobial activity. The antimicrobial activity can be effective against a broad spectrum of bacterial species especially ...

Antimicrobial-resistant Klebsiella species isolated from free-range chicken samples in an informal settlement

Fielding, Burtram C.; Mnabisa, Amanda; Gouws, Pieter A.; Morris, Thureyah (Termedia Publishing House, 2012)

Sub-therapeutic doses of antimicrobial agents are administered routinely to poultry to aid growth and to prevent disease, with prolonged exposure often resulting in bacterial resistance. Crossover of antibiotic resistant ...

Apartheid's university: Notes on the renewal of the Enlightenment

Lalu, Premesh (CODESRIA, 2007)

This paper sets to work on strategies for forging new and critical humanities at the institutional site of the university that appears to be trapped in the legacies of apartheid. The paper suggests that the university's ...

Application of the rainfall infiltration breakthrough (RIB) model for groundwater recharge estimation in west coastal South Africa

Xianfeng, Sun; Jovanovic, Nebo Z.; Kapangaziwiri, Evison; Brendonck, Luc; Bugan, Richard Domain Hunter (Water Research Commission, 2013)

Recharge estimation in arid and semi-arid areas is very challenging. The chloride mass balance method applied in western South Africa fails to provide reliable recharge estimates near coastal areas. A relationship between ...

Applying a framework for assessing the health system challenges to scaling up mHealth in South Africa

Leon, Natalie; Schneider, Helen; Daviaud, Emmanuelle (BioMed Central, 2012)

Background: Mobile phone technology has demonstrated the potential to improve health service delivery, but there is little guidance to inform decisions about acquiring and implementing mHealth technology at scale in health ...

Applying linguistics: Developing cognitive skills through multimedia

Gough, David H.; Bock, Zannie (Applied Linguistics Association of New Zealand, 2003)

This paper examines the effectiveness of linguistic analysis in developing scientific thinking skills and scientific attitudes. It reports on a project established at a South Africa university in South Africa which engaged ...

Arbeidsreg in 'n maatskaplike verband

Du Toit, Darcy (Juta Law, 1995)

Introduction: 'n Regsteksboek is nie bloot 'n uiteensetting van regs reels nie. Dit is, in die eerste plek, 'n seleksie van bespreekingspunte en, terselfdetyd, 'n evaluasie van die selekteerde gegewens wat uitgaan van 'n ...

Assessing and improving care for patients with TB/HIV/STIs in a rural district in KwaZulu-Natal South Africa

Loveday, Marion; Scott, Vera; McLaughlin, Jennifer; Amien, Feroza; Virgina, Zweigenthal (Health and Medical Publishing Group (HMPG), 2011)

Setting: Despite the prioritisation of TB, HIV and STI programmes in South Africa, service targets are not achieved, have had little effect, and the magnitude of the epidemics continues to escalate. Objective. To report ...

Assessing information management competencies in organisations

Bytheway, Andrew J. (Academic Publishing Limited, 2011)

The history of the management of information systems includes many ideas that were intended to simplify the complexities of the management task, but there is still a great deal of wasted investment that produces no ...

Assessing pre-election political space in the 2011 local government elections

Africa, Cherrel; Lynch, Gerry (Unisa Press, 2012)

The administration of elections in South Africa, including the 2011 local government elections(hereafter the 2011 elections), has widely been hailed as a resounding success. Yet competitive elections, an essential component ...

Assessment of microbial contamination of groundwater in upper Limphasa River catchment, located in a rural area of northern Malawi

Kanyerere, Thokozani; Levy, Jonathan; Xu, Yongxin; Saka, John (Water Research Commission, 2012)

In rural Africa, scientific evidence is often lacking to guide the scaling-up of groundwater as the safest source of potable water. An investigation was conducted in the Upper Limphasa Catchment in northern Malawi to ...

The association between gender and tooth loss in a small rural population of South Africa

Africa, Charlene W.J.; Reddy, Jairam (Science Publishing Group, 2013)

Periodontal disease, which attacks the gums and supporting structures of the tooth, is one of the major causes of tooth loss in adults. Few studies on general well-being have compared the differences in oral health between ...

Astronaissance: Communicating astronomy & space to the African imagination

Gottschalk, Keith (2013)

Astronaissance neatly conceptualizes the crossover between the African Renaissance, the re-emergence of Astronomy in Africa, and the rise of cognate space sciences and astronautics. Story-telling, painting, engraving, ...

Asynchronous video telephony for the Deaf

Ma, Zhen Yu; Tucker, William D. (Telkom, 2007)

The South African Deaf community has very limited telephony options. They prefer to communicate in sign language, a visual medium. Realtime video over Internet Protocol is a promising option, but in reality, the quality ...

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