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Browsing Electronic Theses and Dissertations (ETD) by Title

Now showing items 1849-1868 of 5306

Exploring the perceptions of sexual abstinence amongst a group of young black male students.

Khunwane, Mamakiri Nomina (2009-01-05)

Sexual abstinence has become the primary response to prevention against sexually transmitted infection (STI) and unplanned pregnancies amongst young people. However, not much is known about the perceptions of young men ...
Exploring the possibilities of extending the application of PcBN cutting tools to the machining of ADI through the understanding of wear mechanisms

Katuku, Kambuyi (2010-08-03)

Experimental studies of wear, cutting forces and chip characteristics when dry turning ASTM Grade 2 ADI with cBN-TiC cutting tools under finishing conditions were carried out. A depth of cut of 0.2 mm, a feed of 0.05 ...
Exploring the psychological needs of cross-border unaccompanied minors in Johannesburg: how cross-border unaccompanied minors are challenging psychosocial programmes

Johnston, Libby (2012-08-24)

Background: This research investigates the psychosocial needs of cross-border unaccompanied minors (UAMs) within urban Johannesburg, a city that attracts nearly half of all the cross-border migrant population in South ...
Exploring the role of nurses as 'intermediaries' in bridging the gap between biomedical and lay knowledge of disease : a case study of malaria and HIV/AIDS in Kisumu, Kenya.

Sadruddin, Aalyia (2011-06-22)

“Health”, “Illness” and “Disease” are multifaceted concepts and are perceived in a range of ways by different health care professionals. This study, using qualitative research, aims to understand nurses pre-existing and ...
Exploring the role of remittances in household livelihood strategies in Glen-Norah, Harare.

Mukwedeya, Tatenda G. (2009-09-08)

The political and socio-economic challenges over the last nine years broadly referred as the ‘Zimbabwe crisis’ have witnessed the flight of millions of Zimbabweans to save themselves and their families left behind. As a ...
Exploring the sex role identity of female managers and its perceived impact on their career growth opportunities.

Nkuna, Mikateko Fanisa (2011-04-14)

This study aimed to uncover and document experiences of female managers by focusing on the sex role identities they adopt and what they perceive the impact of these (sex role identities) on their career growth to be. Thus ...
Exploring the significance of alternative tourism as a way of alleviating poverty in rural areas

Thuketana, Constance Cheyeza (2008-10-23)
Exploring the teaching of big ideas in teaching for mathematical reasoning while covering content (functions) meaningfully.

Coetzee, Kurt Michael (2012-03-15)

Abstract could not load on D Space.
Exploring young black and white boys' social construction of masculinity in a private multi-racial school.

Smith, Robyn-Leigh (2010-05-25)

This study explored how adolescent boys of different races negotiate multiple voices of masculinity in the context of post-apartheid South Africa. Research has shown that masculinity is not a fixed, homogenous and innate ...
Exposure of mouse embryos to ethanol during preimplantation development: effect on DNA-methylation in the H19 imprinting control region

Haycock, Philip Charles (2009-02-23)

ABSTRACT Ethanol is a classic teratogen capable of inducing a wide range of developmental abnormalities that vary in severity, from the barely perceptible to spontaneous abortion. These defects are collectively referred ...
Exposure to respirable crystalline silica in central South Africa farm workers

Swanepoel, Andrew Johnstone (2013-03-05)

Introduction Personal exposure to respirable crystalline silica (commonly in the form of quartz) causes serious adverse health effects and has been well documented in industries formally known as the ‘dusty trades’. ...
Exposure to violent crime, fear of crime, and traumatic stress symptomatology.

Engelbrecht, Sarah-Kate (2011-04-13)

The central aim of the study was to investigate the relationships between exposure to violent crime, traumatic stress symptomatology, and fear of crime. Secondary areas of interest included the effect of the frequency ...
EXPRESSION AND FUNCTION OF THE MUTATOR DNA POLYMERASE-ENCODING umuC-LIKE GENES IN MYCOBACTERIA

Brackin, Robyn (2006-11-17)

Mycobacterium tuberculosis is an important human pathogen, claiming more lives per annum than any other single infectious organism. The host environment of M. tuberculosis contains DNA-damaging agents that pose a constant ...
EXPRESSION OF THE E-CADHERIN/ B-CATENIN COMPLEX IN ORAL SQUAMOUS CELL CARCINOMA AND ITS CORRELATION WITH HISTOMORPHOLOGY AND METASTASIS

Mahomed, Farzana (2006-10-25)

Expression of the E-cadherin/β-catenin complex in oral squamous cell carcinoma and its correlation with histomorphology and metastasis. The immunohistochemical expression of E-cadherin and β-catenin was examined in ...
Expression of the progesterone receptor, bcl-2 and bax in clomiphene citrate treated rat uteri

Dix-Peek, Therese (2011-06-02)

Clomiphene citrate (CC) is a synthetic oestrogen receptor modulator that may act to promote or inhibit oestrogenic responses depending on the type of tissue or organism. CC acts as a superovulator and has been widely ...
Expression patterns of immune associated genes in Euoniticellus intermedius and characterization of the embryonic cell line

Alaouna, Mohamed (2013-02-01)

As bacteria are becoming resistant to conventional antibiotics, researchers are looking for new ways to combat microbial infection. We have begun to adopt genetic and functional genomic approaches to define the molecular ...
The expression, purification and characterisation of recombinant HIV-1 subtype C gp120

Michler, Katherine Laura (2008-10-17)

HIV-1, the virus that causes AIDS, is spreading at an alarming rate. Subtype C, which accounts for approximately 50% of infections worldwide, and 98% of infections in Southern Africa, is by far the most prevalent form ...
Extended call control telecommunications web service

Vannucci, David Emmanuele (2011-11-02)

Internet based call control Web services enable telecommunications network operators to offerWeb developers a simplified method of controlling telecommunication resources. Web Services that expose telecommunication ...
THE EXTENT OF DELAY OF LANGUAGE, MOTOR AND COGNITIVE DEVELOPMENT IN HIV POSITIVE INFANTS

Baillieu, Nicole (2006-11-10)

In South Africa, a total number of 5.7 – 6.2 million individuals had acquired HIV infection by 2004 (Department of Health, 2004). It is estimated that 3.3 million females, 2.8 million males, and 104 963 babies had been ...
The extent to which actual development of proportional reasoning creates conditions for potential development in Vygotsky's ZPD.

Brenner, Elisabeth Ann (2009-09-03)

This study has examined how the attainment of theoretical frameworks may create the conditions for and support subsequent learning of related material. In this regard, it has investigated a particular conception of Vygotsky‟s ...

Now showing items 1849-1868 of 5306

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