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Thematische Bibliographien / Rian van der Merwe / Dissertationen

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Dissertationen zum Thema „Rian van der Merwe“

Autor: Grafiati

Veröffentlicht am 30. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Persson, Victor, and Lukas Jönsson. "Analysmetoder för småskaliga e-handelssidor : En fallstudie av företaget Bernt i Lund." Thesis, Malmö universitet, Fakulteten för teknik och samhälle (TS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-43223.

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Användbarhet och användarupplevelser spelar en stor roll för företag på digitala marknaden. Inte minst för mindre företag som anställer en webbyrå som utvecklar hemsidan åt kunden och sedan drivs enskilt av ägaren. Efterfrågan på ett gränssnitt med hög användbarhet har ökat, och att kunna analysera användbarheten på sin egna e-handel på ett effektivt sätt är viktigt för småföretag. Denna studie ska undersöka en kostnads- och tidseffektiv analysmetod för småskaliga e-handelssidor. För att svara på frågeställningen kommer arbetet utgå från två vedertagna analysmetoder som kommer testas på företa

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Van, der Merwe Natasha. "Arbeidsregtelike gevolge van die ontslag van 'n maatskappydirekteur / deur Natasha van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/53.

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The purpose of this mini-dissertation is to explore the labour law consequences when a director of a company is dismissed. The underlying questions that come forward are: What legislation protects the director in his various roles? What remedies are available? Is a director an employee and can his office as director be distinguished from his post as employee? A company as a separate entity is compelled to perform its corporate functions by means of its directors, officials and employees. The mere fact that a person is the director of a company does not mean that he is a representative or an em

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Van, der Merwe Anna Catharina. "'n Ondersoek van alkynmetatese deur middel van molekuulmodellering en laboratoriumeksperimentering / Anna Catharina van der Merwe." Thesis, North-West University, 2004. http://hdl.handle.net/10394/451.

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In this study, the metathesis reaction of alkynes was investigated with the classic Mo(CO)6/PhOH-catalyst system by utilizing both laboratory experimentation and molecular modelling. The reaction was optimized by using the alkyne used in the initial study, namely ptolylphenylacetylene. The progress of the reactions was monitored by gas chromatography. As p-tolylphenylacetylene is not available commercially, a synthesis had to be developed. An uncatalysed, organic method and a palladium catalysed method were investigated. The catalysed method proved to be the fastest and gave a higher, better q

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Van, der Merwe Nico. "Evaluering van die herimplementering van liggaamlike opvoeding in Suid-Afrikaanse skole / N. van der Merwe." Thesis, North-West University, 2011. http://hdl.handle.net/10394/4486.

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According to the literature the status of Physical Education as school subject has declined considerably worldwide in many schools over the past twenty years. The concern about this decline in the presence and presentation of Physical Education in school curriculums across the world, initiated the “International Council of Sport Science and Physical Education‟s” (ICSSPE) investigation into the status of Physical Education in 167 countries and states. Hardman (2005) confirms that numerous governments legally committed themselves to offer Physical Education to children and young people, but due

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Van, der Merwe Petrus. "Game farms as sustainable ecotourism attractions / Petrus van der Merwe." Thesis, North-West University, 2004. http://hdl.handle.net/10394/330.

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It is clear that tourism, especially ecotourism, in South Africa is growing at a rapid pace. Each year more and more tourists travel to South Africa with their main aim to visit places that are based on the natural environment. Tourists want to interact with nature and learn about the environment that they are visiting. The main goal of the thesis was to determine aspects that will contribute to the sustainable ecotourism development of game farms. The method of research consisted firstly of a literature study which included theses, articles and sources on wildlife, hunting, ecotourism-related

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Van, der Merwe Werner. "Ozone treatment of chromium waste materials / Werner van der Merwe." Thesis, North-West University, 2011. http://hdl.handle.net/10394/9392.

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Ozonation, or advanced oxidation processes (utilising ozone decomposition products as oxidants) are widely used in industrial waste water and drinking water treatment plants. In these applications the use of ozone is based on ozone and its decomposition by-products being strong oxidants. A case study revealed that several waterworks in South Africa successfully utilise ozone as a pre-oxidant for the treatment of raw waters. South Africa holds more than three quarters of the world’s viable chromium ore (chromite) reserves. Subsequently the Cr-related industry-within is considerable in size and

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Van, der Merwe Abraham Stephanus. "Entrepreneurskaponderrig vir leerders met leerprobleme / Abraham Stefhanus van der Merwe." Thesis, Potchefstroom University for Christian Higher Education, 1999. http://hdl.handle.net/10394/9554.

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This research investigates the education of entrepreneurship to learners with learning difficulties. It is important to keep in mind the rights and possibilities of a learner with learning difficulties. Two entrepreneurship programmes were presented to two different groups of learners at Oom Paul School. Learners with learning disabilities can be categorised as poor performers, learners with behavioural and emotional problems, development problems (for example a language deficit), as well as learners with permanent disabilities- physically, intellectual and sensorial. An important part of this

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Van, der Merwe Renier Christiaan. "Klantediensprogram vir Iscor Spesialiteit Stale / Renier Christiaan van der Merwe." Thesis, Potchefstroom University for Christian Higher Education, 1999. http://hdl.handle.net/10394/9713.

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Steel producers in South Africa are finding it increasingly difficult to achieve long term goals due to the level of competition in the industry domestically, as well as being under threat from overseas producers. The objective of the study was to research customer service in order to formulate a model for the successful implementation of a customer service programme. The present level of expectation and perception of customer service was established by making use of the Servqual questionnaire. The outcome of the questionnaire showed a value of -0,73, which is below the zero point, where custo

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Van, der Merwe Joanette. "Destabilisering van heteronormatiwiteit ten opsigte van homoseksualiteit, vigs en dood in queer narratiewe / van der Merwe J." Thesis, North-West University, 2012. http://hdl.handle.net/10394/8180.

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In this dissertation the connection that is assumed between homosexuality and death in Western culture is investigated. The way in which this connection manifests in terms of a heteronormative aids discourse in literary works with homosexuality and aids as themes, is examined in view of queer theory. Three novels are identified as queer readings of a heteronormative aids discourse, namely Ek stamel en sterwe (1996) by Eben Venter, In the city of shy hunters (2001) by Tom Spanbauer and Het derde huwelijk (2006) by Tom Lanoye. The extensive terrain of queer theory is investigated with specific f

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Van, der Merwe Elizabeth Gertruida. "Die ontwikkeling, stand en toekoms van Afrikaans in SWA/Namibië / Elizabeth Gertruida van der Merwe." Thesis, Potchefstroom University for Christian Higher Education, 1989. http://hdl.handle.net/10394/3807.

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Van, der Merwe Christoffel Jacobus. "Development of a synchronous galvanically isolated measuring system / C.J. van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/859.

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Perhaps the most useful area of electronic engineering involves the gathering and manipulation of data from an industrial process or a scientific experiment. The industrial process can be electrical, mechanical, thermo dynamical, or combinations thereof. Once data are collected from the process, modelling, parameter estimation, condition monitoring and fault detection can be done on the system. Data acquisition devices are used to capture the needed data. These devices are usually purchased off-the-shelf but custom-made systems are designed when commercially available systems fall short. The p

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Van, der Merwe Johannes Jacobus. "Design of a state-based nonlinear controller / by Johan van der Merwe." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1030.

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A developer of thermofluid simulation software requires algorithms which are used to design and implement PI controllers at some operating points of nonlinear industrial processes. In general, the algorithm should be applicable to multivariable plant models which may be nonlinear. In some areas there is a hesitancy to use controllers for nonlinear processes which use neural networks or fuzzy logic or a combination thereof. PI controllers are also standard in various SCADA systems. Since control normally takes place around an operating point, a linearised model is obtained. A controller designe

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Van, der Merwe Zuann Stephanus. "A network traffic model for wireless mesh networks / Z.S. van der Merwe." Thesis, North-West University, 2013. http://hdl.handle.net/10394/9229.

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Design and management decisions require an accurate prediction of the performance of the network. Network performance estimation techniques require accurate network traffic models. In this thesis we are concerned with the modelling of network traffic for the wireless mesh network (WMN) environment. Queueing theory has been used in the past to model the WMN environment and we found in this study that queueing theory was used in two main methods to model WMNs. The first method is to consider each node in the network in terms of the number of hops it is away from the gateway. Each node is then co

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Van, der Merwe Amanda Johanna. "Die effektiewe funksionering van die Christen-berader op emosionele vlak : 'n pastorale studie / Amanda J. van der Merwe." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1649.

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Van, der Merwe Andries Petrus Stephanus. "Die Van der Merwes en hulle rol in onderwysleierskap in Suid-Afrika, 1661-2002 / A.P.S. van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/2364.

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Van, der Merwe Louisa. "The experience of affirmative action in a public organisation / Louisa van der Merwe." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1054.

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South Africa is experiencing a process of formidable and fundamental change. Public administrators as well as politicians are under tremendous pressure as heavy demands are being placed on them. These demands include coping with interventions such as Affirmative Action, Employment Equity, and the importance of managing diversity in the workplace. Despite improvements in race relations in the past twenty years, dysfunctional and ineffective behaviour still occur. This may be a reflection of the discomfort and anxiety experienced by employees in the work setting. In order to comply with legislat

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Van, der Merwe Carla. "Die stand van sportafrigting in prioriteitsportsoorte by skole in die Dr. Kenneth Kaunda streek van die Noordwes Provinsie / C. van der Merwe." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9226.

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Professionalism in sport and the standard of world-class performance is on the rise. The development of a country's sporting potential therefore is crucial (Martindale et al., 2007:187). In South African schools, sport is widely regarded as the basis of elite sport (Rajput & Van Deventer, 2010:159). Teacher-coaches are in most cases responsible for the development potential of this sport. These coaches are often not properly trained, while the most knowledgeable coaches are used at elite level (SASKOK 2011b:12). The aim of this study was to determine the current state of teacher-coaches’ spo

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Van, der Merwe Margaret Elizabeth. "Burnout, engagement, coping and locus of control of postgraduate students / M. van der Merwe." Thesis, North-West University, 2003. http://hdl.handle.net/10394/249.

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Uitbranding as verskynsel was oorspronklik waargeneem by individue wat in hulpverlenings beroepe gestaan het, soos byvoorbeeld verpleegsters. Vandag word dit erken dat individue in enige beroep uitbranding kan ontwikkel. Dit is om hierdie rede dat navorsing oor die verband tussen uitbranding, begeestering, coping en lokus van kontrole van nagraadse studente toepaslik en noodsaaklik is, aangesien hulle die toekomstige werknemers van Suid Afrika is. Die doe1 van die navorsing is om die verband tussen uitbranding, begeestering, coping en lokus van kontrole van werkende nagraadse studente en nie-w

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Van, der Merwe Johannes Jacobus. "Conscientious objectors, closed shop agreements and freedom of association / by J.J. van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/1131.

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Section 26 of the Labour Relations Act 95 of 1996 makes provision for the introduction of closed shop agreements at the workplace between majority unions and employers. All employees covered by such agreements are required to be members of such unions or otherwise face the possibility of dismissal. "Conscientious objector" employees are an exception to this rule. The purpose of this submission is to investigate the constitutional validity of s26 in the light of the fundamental right to freedom of association in the Constitution of the Republic of South Africa, 1 996 whilst investigating the po

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Van, der Merwe Hendrik Christoffel. "Chitosan membranes for the removal of zinc from simulated wastewater / Hendrik Christoffel van der Merwe." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1462.

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Van, der Merwe Louwrens Human. "The socio-economic impact of the Klein Karoo National Arts Festival / L.H. van der Merwe." Thesis, North-West University, 2008. http://hdl.handle.net/10394/5071.

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Van, der Merwe Nico. "Die effek van 'n motoriese ontwikkelingsprogram op die grootspiervaardighede en selfbeeld van 4 tot 6-jarige direk geaffekteerde MIV/VIGS-leerders / N. van der Merwe." Thesis, North-West University, 2007. http://hdl.handle.net/10394/1182.

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Literature shows that HIV/AIDS greatly affects the self-esteem of HIV/AIDS directly affected learners (these affected learners are either directly infected, or one or both parents are or had been infected). Studies also show that appropriate motor activities can have a positive influence on a child's self-esteem. The purpose of this study was to determine the effect of an appropriate motor development programme on the large muscle skills and the self-esteem of 4 to 6 year old HIV/AIDS directly-affected learners. Eight gross motor and perceptual motor skills, as well as self-esteem was evaluate

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Van, der Merwe Alida Jemima. "Die intra- en interpersoonlike ontwikkeling en opleiding van die Christelike dienswerker : 'n prakties-teologiese studie / Alida Jemima (Mimie) van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/1726.

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Van, der Merwe Carel Nicolaas. "Kategese as middel tot heilsekerheid en heilstoe-eiening in konteks van die verbond en die koninkryk / Carel Nicolaas van der Merwe." Thesis, North-West University, 2004. http://hdl.handle.net/10394/705.

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The observation is made that the spiritual well being of the church youth - i.e., the covenantal youth -is not healthy. The aim of this thesis is to study this observation. It seems that when children come to the point that they confess their faith they do not grasp the full implications of this undertaking as they do not bear the fruits of faith in their daily lives. There exists empiric evidence that the church youth are well equipped in the knowledge of faith, but when it comes to subjective acts of faith, there is a great lack. The assumption is made that the catechist is not always suffic

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Van, der Merwe Hefer. "Die verband van fisieke aktiwiteit met lewenstyl, gesondheidstatus en enkele psigo-emosionele welstandkonstrukte by Indiërs in Mohadin / H. van der Merwe." Thesis, North-West University, 2004. http://hdl.handle.net/10394/879.

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Physical activity is probably the single largest risk factor in the development of chronic lifestyle disorders. Research indicated that regular participation in physical activity has positive effects on general health and quality of life. The physical activity profile, lifestyle patterns and health status of western communities have been well documented. The same could however not be said of the Indian population and this study therefore aimed to research that part of the South African population. The aim of this research is therefore to determine the relationship of physical activity on lifes

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Van, der Merwe Liesl. "Die interpretasie van J.S. Bach se B mineur-suite, BWV 1067, soos voorgeskryf in die 2001-Unisa-houtblaasleerplanne / L. van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/857.

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Du, Toit Vianca Franciska. "Die uitbeelding van hegemonie, identiteit en herinneringe deur die konseptuele kunstenaars Berni Searle en Jan van der Merwe / Vianca Franciska du Toit." Thesis, North-West University, 2012. http://hdl.handle.net/10394/8686.

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This study focuses on the way in which the conceptual artists Berni Searle and Jan van der Merwe portray their respective memories of the influence of hegemony on their identity formation. Two conceptual installations of each artist, namely Looking back (1999) and Not quite white (2000) of Searle and Wag (2000) and Ontwortel (2009) of Van der Merwe, are interpreted comparatively according to the portrayal of hegemony, identity (including the artists‟ different sexual and race identities) and their memories of the historic and cultural effects of domination. The reading and interpretation of th

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Van, der Merwe Jacobus Jeremia. "Simulation of heat and momentum transfer in the high temperature test reactor / J.J. van der Merwe." Thesis, North-West University, 2003. http://hdl.handle.net/10394/45.

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Van, der Merwe Rina. "'n Waterbestuurstelsel vir Hartebeestfonteinmyn 2-skag en -aanleg, gebaseer op ISO 14001 / R. van der Merwe." Thesis, North-West University, 2003. http://hdl.handle.net/10394/307.

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'The sustainability of water resources in South Africa is of great importance for the development and sustainability of a community with social and economical equity. In the mining sector, with the potential negative impacts on the groundwater and surface water sources caused by various activities, sustainable development is very important. Continuous pressure on the development of groundwater resources for water supply schemes, rising water tariffs and increase in the waste discharge charge system urges the mine to evaluate and optimize its current process and wastewater management. IS0 14001

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Van, der Merwe Nadia. "The relationship between psychological well-being and academic performance of university students / Nadia van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/1056.

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Emotional intelligence is a relatively new and growing area of behavioural research, which stimulated the imagination of the general public, the commercial world and the scientific community. Only a few studies have been done on the relationship between emotional intelligence and academic performance. The objective of this study was to determine the relationship of emotional intelligence, optimism, life satisfaction and self-efficacy, as well as the validity and reliability of these measures on a sample of university students. Further objectives included conceptualising emotional intelligence,

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Van, der Merwe Shani. "The psychometric properties of an emotional intelligence measure within a nursing environment / S. van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/1061.

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Nurses' working environment, together with their patient relationships, can elicit emotions which they will need to manage in order to perform successfully in their daily work activities. It is for this reason that it is crucial that sound emotional intelligence measures should be developed which hospitals can utilise to identify emotionally intelligent individuals for emotionally laden jobs or even to identify their developmental needs within the area of emotional intelligence. The objective of this study was to investigate the psychometric properties of the Emotional Intelligence Scale (EIS)

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Van, der Merwe Gabriel Petrus Rossouw. "The development of a measurement system for a micro gas turbine / by G.P.R. (Rossouw) van der Merwe." Thesis, North-West University, 2007. http://hdl.handle.net/10394/2300.

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Van, der Merwe Ernst Jan. "Untold stories of a group of black South Africans about the apartheid era / E.J. van der Merwe." Thesis, North-West University, 2005. http://hdl.handle.net/10394/1112.

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The aim of this research was to explore the alternative stories of a group of black adults who survived the apartheid years in South Africa. In common parlance it is held that there are two sides to a story and surely, there must have been alternative stories of how people in the black community survived the apartheid years, other than only the dominant stories of suffering that came to the fore during the Truth and Reconciliation Commission (TRC) hearings. It was surmised that the lives of many of the black adults, who experienced the atrocities of the apartheid years, might have been shaped

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Van, der Merwe Jacobus Johannes. "Development of a fission product release model and it's application at PBMR / Jacobus Johannes van der Merwe." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1208.

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At PBMR, long-lived fission product release from spherical fuel spheres is calculated using the German legacy software product GETTER. GETTER is a good tool when performing calculations for fuel spheres under controlled operating conditions, including irradiation tests and post irradiation heat-up experiments. It has proved itself as a versatile reactor analysis tool, but is rather cumbersome when used for accident and sensitivity analysis. Developments in depressurized loss of forced cooling (DLOFC) accident analysis using GETTER led to the creation of FIPREX (Fission Product RElease under ac

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Van, der Merwe Philippus Wolrad. "Fictional worlds and focalisation in works by Hermann Hesse and E.L. Doctorow / Philippus Wolrad van der Merwe." Thesis, North-West University, 2011. http://hdl.handle.net/10394/6957.

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The main focus of this study concerns the contribution of focalisation to the creation of fictional worlds through the combination of the “building blocks” of a fictional world, namely the central focalising and focalised character(s), focalised social contexts, events and spaces, in Hermann Hesse’s Demian (1919), Narziß und Goldmund (1930), E.L. Doctorow’s Welcome to Hard Times (1960) and Homer & Langley (2009). The relationship between the focalisers and their social contexts influence their human, subjective perspectives and represented perceptions of their textual actual worlds. Focalisati

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Van, der Merwe Aletta Sophia. "Emotion structure, emotion meaning and emotion episodes of white Afrikaans–speaking working adults / van der Merwe, A.S." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7590.

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Emotion research is an important research topic, thus making the measurement of emotion in the workplace crucial. In attempting to study, understand and measure the role of emotions in the human condition, various researchers have identified different theoretical models to manage the information they have gathered and the observations they have made. In order to study or scientifically investigate any human behaviour, it is essential that such behaviour can be measured, if not quantitatively, then at least qualitatively. However, what one finds with regard to emotion research and measurement a

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Van, der Merwe David Jacobus. "The use of partitioning strategies in local access telecommunication network problems and other applications / D.J. van der Merwe." Thesis, North-West University, 2007. http://hdl.handle.net/10394/1887.

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Van, der Merwe Corna. "An optimisation approach to improve the throughput in wireless mesh networks through network coding / van der Merwe C." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7302.

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In this study, the effect of implementing Network Coding on the aggregated throughput in Wireless Mesh Networks, was examined. Wireless Mesh Networks (WMNs) are multiple hop wireless networks, where routing through any node is possible. The implication of this characteristic, is that messages flow across the points where it would have been terminated in conventional wireless networks. User nodes in conventional wireless networks only transmit and receive messages from an Access Point (AP), and discard any messages not intended for them. The result is an increase in the volume of network traffi

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Van, der Merwe Jan Hendrik Petrus. "Characterisation of a proton exchange membrane electrolyser using electrochemical impedance spectroscopy / by Jan Hendrik Petrus van der Merwe." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9227.

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Hydrogen is a promising energy carrier and a possible replacement for fossil fuel energy sources in the future. Hydrogen has the highest energy content per unit weight of any known fuel. The proton exchange membrane (PEM) electrolyser is a promising technology to produce hydrogen by splitting water into hydrogen and oxygen. A fundamental characterisation study of the PEM electrolyser is necessary to improve the technology. The aim of this study is therefore to characterise a PEM electrolyser using electrochemical impedance spectroscopy (EIS). EIS is a non-invasive technique which measures the

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Van, der Merwe Cornelius Gerhardus. "Coping, stress and suicide ideation in the South African Police Service in Limpopo Province / Cornelius Gerhardus van der Merwe." Thesis, North-West University, 2004. http://hdl.handle.net/10394/316.

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If the way employees die is a direct cause of their working environment, the employer has a certain responsibility to address or prevent these contributing conditions in the environment. Research reports indicate that police officers have higher suicide rates compared to the rates of the general population. Increasing suicide rates for police officers in recent years have been reported for the United States and Australia. Very limited research data for this phenomenon, especially within the South African Police Service, Limpopo Province was found. Previous research on suicide ideation focused

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Van, der Merwe Nicolene. "DNA damage and repair in nail technicians caused by occupational exposure to volatile organic compounds / N. van der Merwe." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4928.

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Objectives: The aim of this study was to determine if exposure to volatile organic compounds can lead to DNA damage and impaired DNA repair capacity. Nail cosmetics is a fast growing industry around the world where employees and clients are subjected to various chemical substances which may be harmful to their health: such as formaldehyde, toluene, acetone, xylene, ethylmethacrylate, methylmethacrylate and n–buthyl acetate. These chemicals have the potential to be harmful to their health and exposure to these chemicals should be actively controlled. Formaldehyde is classified as a human carcin

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Van, der Merwe Gerhard Léon. "The influence of particle size and devolatilisation conditions on the CO2 gasification of Highveld coal / van der Merwe, G.L." Thesis, North-West University, 2011. http://hdl.handle.net/10394/6979.

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The influence of particle size and devolatilisation conditions on the CO2 reactivity of Highveld seam 4 run of mine coal were investigated in a large particle thermo–gravimetric system. Particle sizes of 5 mm, 10 mm, 20 mm and 40 mm were chosen for both the devolatilisation and the gasification experiments. The devolatilisation experiments were done by placing the coal particles in an electrically preheated tube furnace at isothermal temperatures of 450°C, 700°C and 850°C. The reactivity of the resulting chars was subsequently determined at 900°C using 100% CO2 Coal samples were characterised

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Van, der Merwe David Johannes. "Considerations for the implementation of the radio interferometric positioning system on a single wireless node / van der Merwe D.J." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7320.

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The ability to localise objects and persons is a useful ability, that is currently used in everyday life in the form of Global Positioning System (GPS) navigation. Localisation is also useful in data networks. The ability to localise nodes in a network paves the way for applications such as location based services, beamforming and geographic routing. The Radio Interferometric Positioning System (RIPS), is a method originally designed for localisation in wireless sensor networks. RIPS is a promising method due to the fact that it is capable of localisation with high accuracy over long ranges. T

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Van, der Merwe Eveline Karen. "A psychological perspective on God-belief as a source of meaning and well-being / E. Karen van der Merwe." Thesis, North-West University, 2009. http://hdl.handle.net/10394/3112.

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The aim of this study was to explore God-belief as a source of meaning and psychological well-being qualitatively and through the review of literature. The study is embedded in the growing field of Psychology of Religion. In the first article, a literature overview regarding the field of Psychology of Religion, and specifically research done in the South African context, was reported. The key constructs spirituality and religiousness were investigated and defined. It was argued that traditional African religion and spirituality have unique characteristics and that Western, mostly Christian-bas

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Van, der Merwe Nicolaas Theodor. "The application of signal processing and artificial intelligence techniques in the condition monitoring of rotating machinery / Nicolaas Theodor van der Merwe." Thesis, North-West University, 2003. http://hdl.handle.net/10394/68.

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Condition monitoring of critical machinery has many economic benefits. The primary objective is to detect faults, for example on rolling element bearings, at an early stage to take corrective action prior to the catastrophic failure of a component. In this context, it is important to be able to discriminate between stable and deteriorating fault conditions. A number of conventional vibration analysis techniques exist by which certain faults in rotating machinery may be identified. However, under circumstances involving multiple fault conditions conventional condition monitoring techniques may

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Van, der Merwe Annelize. "Molecular analysis of the facioscapulohumeral muscular dystrophy (FSHD) associated DNA rearrangements in the South African population / by Annelize van der Merwe." Thesis, North-West University, 2003. http://hdl.handle.net/10394/396.

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Facioscapulohumeral muscular dystrophy (FSHD) is the third most common inherited disorder of muscle after Duchenne and Myotonic dystrophy, with a prevalence of at least 1 in 20,000. FSHD is characterised by progressive weakening and atrophy of the face, shoulder-girdle and upper arm, although other skeletal muscles may also become involved with progression of the disorder. The FSHD phenotype segregates as an autosomal dominant trait. Linkage was established to chromosome 4q35 in 1990. A deletion of an integral number of 3.3 kb repeats, localised at the D4Z4 locus, was reported to cause FSHD. T

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Van, der Merwe Petrus Gerhardus. "Method for the thermo-hydraulic analysis of the test facility for the PBMR reserve shutdown system / Petrus Gerhardus van der Merwe." Thesis, North-West University, 2004. http://hdl.handle.net/10394/535.

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The Pebble Bed Modular Reactor (PBMR) is a revolutionary small, compact and safe nuclear power plant. It operates on a direct closed Brayton cycle. One of the unique features of this concept is its load following capability enabled by extracting or injecting of the working fluid (in the PBMR's case Helium) from or to the system during operation. The Reserve Shutdown System (RSS) is one of the essential subsystems of the PBMR. The RSS is used as a maintenance and secondary shutdown system for the PBMR. Small Absorber Spheres (SAS) containing boron are used to perform the shutdown. When shutdown

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Van, der Merwe Liesl. "The qualitative and quantitative evaluation of estrogen and estrogen-mimicking substances in the South African water environment / Liesl van der Merwe." Thesis, Potchefstroom University for Christian Higher Education, 1998. http://hdl.handle.net/10394/1342.

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Recently some chemicals has been accused of mimicking the female hormone estrogen. The mode of action is termed estrogen-mimicking, because of the effects that is produced by these chemicals. Playing canary in a coal mine, wildlife was the first to indicate that something was wrong. Reproductive abnormalities such as abnormal sperm, reduced sperm production, cryptorchidism (undescended testes). abnormal hormone levels – particularly high estrogen ratios to that of testosterone. infertility, and genital abnormalities were all evidence that something in the environment was affecting the reproduc

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Van, der Merwe Pieter Schalk. "The subjective experience of a group of South African psychologists regarding the HPCSA and the ethical code / Pieter van der Merwe." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4931.

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The profession of psychology in South Africa has not always been regulated by a statutory body such as the Health Professions Council of South Africa (HPCSA). Currently, the profession of psychology is regulated by the HPCSA and psychologists and the HPCSA find themselves in a lawful and interminable relationship. The HPCSA’s motto is to protect the public and to guide the profession, but it was questioned whether psychologists actually experience guidance from the HPCSA. In response to this problem, this study aimed to explore the subjective experiences of a group of South African psychologis

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Van, der Merwe Adriana Johanna. "Development and evaluation of an oral fixed–dose triple combination dosage form for artesunate, dapsone and proguanil / van der Merwe, A.J." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7579.

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Malaria is a life–threatening disease caused by Plasmodium spp and causes over one million deaths annually. The complex life cycle of the malaria parasite offers several points of attack for the antimalarial drugs. The rapid spread of resistance against antimalarial drugs, especially chloroquine and pyrimethamine–sulphadoxine, emphasises the need for new alternatives or modification of existing drugs. Artemisinin–based combination therapies (ACT’s) with different targets prevent or delay the development of drug resistance and therefore have been adopted as first–line therapy by all endemic cou

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