Browsing by Title
Now showing items 5646-5665 of 7790
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The Q/U imaging experiment instrument
(The American Astronomical Society, 2013)The Q/U Imaging ExperimenT (QUIET) is designed to measure polarization in the cosmic microwave background, targeting the imprint of inflationary gravitational waves at large angular scales(∼1◦). Between 2008 October and ... -
Quadrupole and octupole collectivity in the semi-magic nucleus 80206Hg126
(Elsevier, 2023)The first low-energy Coulomb-excitation measurement of the radioactive, semi-magic, two proton-hole nucleus 206Hg, was performed at CERN's recently-commissioned HIE-ISOLDE facility. Two γ rays depopulating low-lying states ... -
A qualitative assessment of South African adolescents’ motivations for and against substance use and sexual behavior
(Wiley-Blackwell, 2010)Focus groups (N 5 15 groups; 8 with girls, 7 with boys) with adolescents in high schools near Cape Town, South Africa, were used to conduct a qualitative investigation of reported reasons for using and not using substances ... -
A qualitative exploration of factors influencing non-use of sexual reproductive health services among university students in South Africa
(MDPI, 2023): (1) Background: There is growing concern in South Africa about risky sexual behaviour, sexual transmitted infections (STIs), and unplanned pregnancy among young people. Many sexually active students engage in several ... -
Qualitative exploration of HIV-related stigma and the psychosocial well-being of children orphaned by AIDS
(Springer, 2020)Children orphaned by AIDS continue to display lower levels of psychosocial well-being. While HIV-related stigma has been identified as a risk factor for healthy psychosocial development, there remains an inadequate ... -
A qualitative meta-synthesis of facilitators and barriers to tuberculosis diagnosis and treatment in Nigeria
(Springer Nature, 2021): Despite progress in tuberculosis (TB) control globally, TB continues to be a leading cause of death from infectious diseases, claiming 1.2 million lives in 2018; 214,000 of these deaths were due to drug resistant strains. ... -
A qualitative meta-synthesis of interpersonal violence prevention programs focused on males
(SAGE Publications, 2017)Exceptionally high levels of interpersonal violence have triggered a call by many experts for the need to determine effective ways to address the onset and effects of exposure to interpersonal violence. The specific aim ... -
A qualitative study of referring agents’ perceptions of access barriers to inpatient substance abuse treatment centres in the Western Cape
(BioMed Central, 2015)Background: Despite empirical support for the individual and public health benefits of treating substance use disorders (SUDs) , access to these services is impeded by several barriers. Although many studies on access ... -
A qualitative study of the challenges of providing pre-prosthetic rehabilitation in rural South Africa
(SAGE Publications, 2017)BACKGROUND: There is a known shortage of rehabilitation staff in rural settings and a sharp increase in the number of lower limb amputations being performed. A lack of adequate pre-prosthetic rehabilitation will result in ... -
A qualitative study on resource barriers facing scaled container-based sanitation service chains
(International Water Association publishers, 2022)Container-based sanitation (CBS) is an increasingly recognised form of off-grid sanitation provision appropriate for impoverished urban environments. To ensure a safely managed and sustainable service, a managing organisation ... -
Qualitatively different ways of unpacking visual representations when teaching intermolecular forces in upper secondary school
(Wiley, 2021)Since visual representations play a particularly important role in the teaching and learning of chemistry, the ex-ploration described in this article focuses on them. This is an explorative study of the qualitatively ... -
"Quality is bound up with our values" - Evaluating the quality of mentoring programmes
(Routledge, 2005)This paper discusses quality evaluation of health sciences mentoring programmes. The discussion highlights the way in which perceptions of what constitutes quality shape evaluative purposes. Potential tensions between ... -
Quality of HIV counselling in South Africa
(Kamla-Raj, 2015)HIV counselling and testing (HCT) has become increasingly available in South Africa since the 1990s. Over 4500 public health facilities offer client and provider-initiated HIV counselling and testing. Counselling and testing ... -
Quality of home-based rapid HIV testing by community lay counsellors in a rural district of South Africa
(International Aids Society, 2013)INTRODUCTION: Lack of universal, annual testing for human immunodeficiency virus (HIV) in health facilities suggests that expansion of HIV testing and counselling (HTC) to non-clinical settings is critical to the achievement ... -
Quality of life amongst young adults with stroke living in Kenya
(Makerere University Medical School, 2013)BACKGROUND: The world has been experiencing an increase of stroke among young adults. Occurrence of stroke in young adults dramatically affects the quality of life of the individuals. OBJECTIVES: To investigate the quality ... -
The quality of life of HIV-infected and non-infected women post-caesarean section delivery
(AOSIS OpenJournals Publishing AOSIS (Pty) Ltd, 2017)There is a dearth of literature on the postnatal quality of life (QoL) of women. This study aimed to determine to QoL of HIV-infected and non-infected women post-caesarean section delivery. This prospective, longitudinal ... -
Quantification and characterisation of microplastics ingested by selected juvenile fish species associated with mangroves in KwaZulu- Natal, South Africa
(Elsevier, 2020)Though the number studies on microplastic ingestion by fish is growing, data on fish species charac- teristic of the South African coastline are scarce. This study quantified and characterised (physically and chemically) ... -
Quantification and identification of sperm subpopulations using computer-aided sperm analysis and species-specific cut-off values for swimming speed
(Taylor & Francis, 2013)Motility is an essential characteristic of all fl agellated spermatozoa and assessment of this parameter is one criterion for most semen or sperm evaluations. Computer-aided sperm analysis (CASA) can be used to measure ... -
A quantification mechanism for assessing adherence to information security governance guidelines
(Emerald, 2022)Boards of Directors and other organisational leaders make decisions about the information security governance systems to implement in their companies. The increasing number of cyber-breaches targeting businesses makes ... -
Quantification of radicals generated in a sonicator
(Iranian Chemical Society, 2016)The hydroxyl radical (OH•) is a powerful oxidant produced as a consequence of cavitation in water. It can react nonspecifically in breaking down persistent organic pollutants in water into their mineral form. It can also ...
