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1+1+2 covariant approach to gravitational lensing in f(R) gravity

Author: Nzioki, Anne Marie Date: 2009 In this thesis, we develop the 1 + 1 + 2 formalism, a technique originally devised for General Relativity, to treat spherically symmetric spacetimes in for fourth order theories of gravity. Using this formalism, we derive equations for a ... Read more
1. When to cry, "Sham!" 2. Residence of a trust as defined by its place of effective management

Author: Stephens, Anthea Louise Date: 2013 Read more
A 12 week pre-season fitnes training programme for senior male high school rugby players : the effect of supervision on anthropometric, physiological and physical performance variables

Author: Clark, David Rodney Date: 1998 The study comprises of two sections; i) a survey to determine the attitude towards fitness training for rugby and the current fitness training habits of elite high school rugby players in their penultimate year at school, ii) a training study ... Read more
14 ways to remember Nzira gumi nena dzekuyeuka : exploring and preserving memories

Author: Matindike, Tashinga Date: 2009 My project is one of memorialisation, expressed as a creative process. A core theme throughout my work concerns the notions of absence and presence, as the project is founded on a personal loss and inspired by a desire to sustain the memories ... Read more
A 14C and 15N study of the effects of ammonium or nitrate nutrition on carbon allocation in Triticum aestivum L. and Zea mays L

Author: Van der Leij, Martina Date: 1991 The poor response of some plant species, e.g. wheat, to ammonium nutrition has been attributed to a diversion of carbon allocation from structural material for root extension to functions associated with the assimilation and translocation of ... Read more
An 15N study of the effects of nitrate, ammonium, and nitrate + ammonium nutrition on nitrogen assimilation in Zea Mays L.

Author: Murphy, Andrew Telfer Date: 1984 A brief review of the literature on the effects of nitrate and ammonium nitrogen sources on plant growth, and the assimilation of those nitrogen sources, has been presented. A water culture technique for the growth of maize was developed. The ... Read more
The 1985 school crisis in the Western Cape

Author: Nekhwevha, Fhulufhuwani Hastings Date: 1992 The thesis is an exploratory and primarily empirical study with the objective to construct a detailed chronology of the events of the 1985 school crisis particularly in African schools in the Western Cape and to reflect on the relationship ... Read more
The 2010 Fifa world cup: Perceptions of its sports and development legacy potential

Author: Mills, Lucy Caroline Date: 2010 Sport mega-events are a contemporary phenomenon which embody and unify global processes in an increasingly globalised world. Whilst the sport industry has grown exponentially as a result of global market forces envisaging extensive economic ... Read more
21st century tertiary design education in post-apartheid South Africa : a question of quality

Author: Leroux, Allen Date: 2007 The dissertation explores the question of; what drives excellence in tertiary design education in 21st Century post-Apartheid South Africa? Is it what the state does in terms of policy and regulation or is it what the higher educational ... Read more
25cc HCCI engine fueled with Diethyl Ether

Author: Lemberger, Ian Date: 2009 This research forms part of an ongoing HCCI study at the SASOL Advanced Fuels Laboratory to investigate and understand engine configuration and fuel chemistry effects on combustion in HCCI engines. This project continues from a previous project ... Read more
3-month bond option strategies: an analysis of performance from 1998 to 2010 in the South African market

Author: Ndebele, Ndumiso Date: 2011 Due to the 2008 financial crisis, investors have become more risk averse in investing in equities and have increased their holdings in bonds as they are believed to be less risky. However, South African interest rates have been volatile over ... Read more
3-Phase gate-turn off thyristor inverter

Author: Kleyn, D A Date: 1986 The requirements of a standard 3-phase Induction Motor driven by a Voltage Source Inverter (VSI) are studied. A full 3-phase Variable Speed Drive (VSD) and its controller have been designed, constructed and tested. Gate Turn-Off Thyristors ... Read more
A 3-phase Z-source inverter driven by a novel hybrid switching algorithm

Author: Malengret, Jean-Claude Date: 2007 A 3-phase Z-source inverter has been researched, designed, simulated, builtand tested. The purpose of the inverter is to deliver 3-phase 400 VAC from aDC supply that can vary over a range of 20 to 70 Vdc. This is done with a Zsourceinverter ... Read more
3D approximation of scapula bone shape from 2D X-ray images using landmark-constrained statistical shape model fitting

Author: Wasswa, William Date: 2016 Two-dimensional X-ray imaging is the dominant imaging modality in low-resource countries despite the existence of three-dimensional (3D) imaging modalities. This is because fewer hospitals in low-resource countries can afford the 3D imaging ... Read more
A 3D fault seal analysis study conducted in the Ibhubesi Gas Field Offshore the West Coast of South Africa

Author: Ntombela, Nondumiso Date: 2018 A three dimensional fault seal analysis study of the AK fault situated offshore of the West Coast of South Africa is presented. This study is aimed at informing the development plan of the Ibhubesi gas field with regards to the compartmentalization ... Read more
3D model reconstruction using photoconsistency

Author: Joubert, Kirk Michael Date: 2007 Model reconstruction using photoconsistency refers to a method that creates a photohull, an approximate computer model, using multiple calibrated camera views of an object. The term photoconsistency refers to the concept that is used to ... Read more
3D property objects in South African local government: the necessity of representing and managing the third dimension in the City of Cape Town property management system

Author: Humby, Lara Date: 2021 The objective of this research was to analyse whether there is a need for a form of 3D Land Administration System (LAS)in South Africa (SA) based on the land administration functions of land tenure, land use, land development and land value. ... Read more
3D reconstruction and camera calibration from 2D images

Author: Henrichsen, Arne Date: 2000 A 3D reconstruction technique from stereo images is presented that needs minimal intervention from the user. The reconstruction problem consists of three steps, each of which is equivalent to the estimation of a specific geometry group. The ... Read more
3D Scan Campaign Classification with Representative Training Scan Selection

Author: Pocock, Christopher Date: 2019 Point cloud classification has been shown to effectively classify points in 3D scans, and can accelerate manual tasks like the removal of unwanted points from cultural heritage scans. However, a classifier’s performance depends on which ... Read more
3D visualisation of the laetoli footprints on the internet

Author: Taylor, Simon Date: 2000 Bibliography: p. 84-86. Read more

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