Browsing Faculty of Natural Science by Title
Now showing items 1783-1802 of 2560
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Pairings of binary reflexive relational structures
(University of the Western Cape, 2007)The main purpose of this thesis is to study the interplay between relational structures and topology, and to portray pairings in terms of some finite poset models and order preserving maps. We show the interrelations between ... -
Palladium surface-modified rare earth metal-based ab5 type hydride-forming materials
(University of the Western Cape, 2008)Driven by mounting standards of living and a growing population, South African energy consumption is expected to increase dramatically within the next decade. The increased demand for more energy will require enormous ... -
Palladium telluride quantum dots biosensor for the determination of indinavir drug
(2013)Indinavir is a potent and well tolerated protease inhibitor drug used as a component of the highly active antiretroviral therapy (HAART) of HIV/AIDS, which results in pharmacokinetics that may be favourable or adverse. ... -
The paracrine effect of normoxic and hypoxic cancer secretions on blood-brain barrier endothelial cells
(University of the Western Cape, 2022)Cancer is the most common leading cause of death worldwide. Glioblastoma and breast cancer are the most aggressive solid tumour. The survival rate of these tumours depends on their ability to progress and spread. These ... -
The paradox of enrichment in predator-prey systems
(University of Western Cape, 2020)In principle, an enrichment of resources in predator-prey systems show prompts destabilisation of a framework, accordingly, falling trophic communication, a phenomenon known to as the \Paradox of Enrichment" [54]. After ... -
Parameters affecting the production of fumonisin B1 by fusarium verticillioides in culture
(University of the Western Cape, 2001)Fi1sarium verticillioides is a very important mycotoxin-produeing fungus associated with maize. Fverticillioides produces a group of mycotoxins known as fumonisins under suitable environmental conditions. A series of studies ... -
Parametric deconvolution for a common heteroscedastic case
(University of the Western Cape, 2016)There exists an extensive statistics literature dealing with non-parametric deconvolution, the estimation of the underlying population probability density when sample values are subject to measurement errors. In parametric ... -
Participation of African immigrants in the labour force of South Africa: Insights from the 2001 population census
(University of the Western Cape, 2008)The study examines the participation of African immigrants in the South African labour force with the central question revolving around whether the immigrants create jobs through the establishment of their own businesses ... -
Participation of African migrants in the labour force of South Africa : are there structural changes from 2001 to 2011?
(University of the Western Cape, 2015)This thesis examines the distribution of African migrants across the different segments of the labour force in South Africa. The specific objective of this study is to demonstrate that there has been structural changes ... -
The partitioning of evapotranspiration in apple orchards from planting until full-bearing age and implications for water resources management
(University of Western Cape, 2021)Orchard evapotranspiration (ET) is a complex flux which has been the subject of many studies. It often includes transpiration from the trees, cover crops and weeds, evaporation from the soil, mulches, and other orchard ... -
Patterns in diversity, abundance, distribution and community structure of epi-pelagic copepods in the south-western Indian Ocean
(University of the Western Cape, 2016)The primary objective of this study was to investigate patterns in diversity, abundance, distribution and community structure of epi-pelagic copepods across the South West Indian Ocean Ridge (SWIOR). A survey was conducted ... -
Patterns of resource use by livestock during and after drought in a communal rangeland in Namaqualand
(University of the Western Cape, 2006)Pastoralists in Africa have developed complex mechanisms by which they can alleviate the threat of drought. They practice mobility as one of the strategies to avoid the worst effects of natural stress and disperse grazing ... -
Paving a way to effectively regulate African traditional medicines in South Africa
(University of the Western Cape, 2017)BACKGROUND: Following the historical suppression of traditional medicines in South Africa, the government published their National Health Plan in 1994 which made provision for traditional healing as an integral and ... -
Peptide functionalised gold nanorods for the selective eradication of target cells using photothermal therapy
(University of the Western Cape, 2019)Cancer is one of the leading causes of death, worldwide. Mortality tolls are estimated to reach approximately 13.1 million in 2030. These statistics suggest that current therapeutic strategies are not effective. This is ... -
Perceived quality and utilisation of maternal health services in peri-urban, commercial farming, and rural areas in South Africa
(University of the Western Cape, 2006)This investigation aimed to determine factors that influence women's utilisation of maternal health services, with specific focus on the quality of care and services available to disadvantaged communities in South Africa. ... -
Perceptions of first year Biology students at a college of education towards the relevance of population dynamics as prescribed for current biology syllabusses at matriculation level in South African schools
(University of the Western Cape, 1992)Throughout this research, an attempt has been made to assess the perceived relevance, if any, of the Population Dynamics topic of the standard ten Biology syllabus, especially of those standard ten pupils enrolling as ... -
Perceptions of the pharmaceutical industry and regulators in South Africa towards registration harmonisation in the Southern African Development Community (SADC)
(University of the Western Cape, 2021)Medicines have to be regulated in an effort to monitor their quality, safety, and efficacy. The process of medicines registration is lengthy, costly, and document-heavy. Many countries have limited expertise and resources ... -
Perceptions of water scarcity: the case of Genadendal and outstations
(University of the Western Cape, 2006)The water resources management regime has shifted from one focusing almost exclusively on augmenting supply to one where ensuring access, equity and sustainability are an integral part of the process. A growing demand for ... -
Performance estimation of wireless networks using traffic generation and monitoring on a mobile device.
(University of the Western Cape, 2015)In this study, a traffic generator software package namely MTGawn was developed to run packet generation and evaluation on a mobile device. The call generating software system is able to: simulate voice over Internet ... -
Perturbations of dark energy models
(University of Western Cape, 2012)The growth of structure in the Universe proceeds via the collapse of dark matter and baryons. This process is retarded by dark energy which drives an accelerated expansion of the late Universe. In this thesis we use ...