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Now showing items 5626-5645 of 7790
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Pt-Sn/C as a possible methanol-tolerant cathode catalyst for DMFC
(Springer Verlag, 2013)An effective method was developed for preparing highly dispersed nano-sized Pt–Sn/C electrocatalyst synthesised by a modified polyol reduction method. From XRD patterns, the Pt–Sn/C peaks shifted slightly to lower 2θ angles ... -
Public libraries in South Africa: Agents or victims of educational change?
(LIASA Forum Press, 2004)The paper explores the impact of educational change in South Africa on public libraries. It surveys the recent literature to conclude that the position of school libraries is precarious and that public librarians feel ... -
Public Libraries Stepping into the Gap?: A Study of School Learners' Use of Libraries in a Disadvantaged Community in Cape Town
(University of Alberta Libraries, 2021)According to public library staff none of the Vista schools has a functioning library or a librarian on its staff. In itslack of school libraries Vista is no different from other parts of South Africa. Less than a third ... -
Public reporting on pharmaceutical industry-led access programs: Alignment with the WHO medicine programs evaluation checklist
(Springer Nature, 2020)There has been increased demand for greater public accountability and transparency of private sector-led global health partnership programs. This study critically reviews and pilot tests the World Health Organization (WHO) ... -
Public risk perception and behaviours towards COVID-19 during the first and second waves in Nigeria: a secondary data analysis
(BMJ Publishing Group, 2022)Objectives To describe changes in public risk perception and risky behaviours during the first wave (W1) and second wave (W2) of COVID-19 in Nigeria, associated factors and observed trend of the outbreak. Design A ... -
Public space and the cohesion-contestation spectrum
(GeoJournal, 2023)The urban policy assumption of public space’s generative capacity for cohesion stands out as limited in the face of the reality of South African urban public space. Drawing on observations and experiences in a range of ... -
Pulmonary effects and disposition of luteolin and Artemisia afra extracts in isolated perfused lungs
(Elsevier, 2013)ETHNOPHARMACOLOGICAL RELEVANCE: Artemisia afra (Asteraceae) is a traditional medicinal plant frequently used in steam inhalation form to treat respiratory conditions. AIM OF THE STUDY: Quantify luteolin content in Artemisia ... -
Pulsar scintillation studies with LOFAR I. The census
(Hans Publishers, 2022)Interstellar scintillation (ISS) of pulsar emission can be used both as a probe of the ionized interstellar medium (IISM) and cause corruptions in pulsar timing experiments. Of particular interest are so-called scintillation ... -
Pulsars with NenuFAR: Backend and pipelines
(EDP Sciences, 2021)Context. NenuFAR (New extension in Nançay upgrading LOFAR) is a new radio telescope developed and built on the site of the Nançay Radio Observatory. It is designed to observe the largely unexplored frequency window from ... -
Pulsations and eclipse-time analysis of HWVir
(Oxford University Press, 2018)We analysed recent K2 data of the short-period eclipsing binary systemHWVir,which consists of a hot subdwarf-B type primary with an M-dwarf companion.We determined the mid-times of eclipses, calculated O–C diagrams, and ... -
Punching above their weight: a network to understand broader determinants of increasing life expectancy
(BMC, 2018)BACKGROUND: Life expectancy initially improves rapidly with economic development but then tails off. Yet, at any level of economic development, some countries do better, and some worse, than expected – they either ... -
Punished for being Poor: Evidence and Arguments for the Decriminalisation and Declassification of Petty Offences
(Dullah Omar Institute, 2015)The Ouagadougou Declaration and Plan of Action on Accelerating Prison and Penal Reform in Africa of 20031 endorsed recommendations calling for reducing the size of prison populations in Africa. The Plan of Action recommended ... -
Punishment and deterrence: don’t expect prisons to reduce crime
(SA Crime Quarterly, 2008)The belief is thoroughly entrenched that prisons fulfil the triple function of punishing offenders, making society safer by removing dangerous individuals, and deterring potential offenders from committing crime. The fact ... -
Punishment in the eyes of the Constitutional Court of South Africa: the relationship between punishment and the rights of an offender in the sentencing of primary caregivers of children
(Juta Law, 2011)Punishment has mostly focused on achieving its objectives without considering the impact a sentence will have on the rights of the offender and those under the offender's care. Drawing on the jurisprudence of the Constitutional ... -
Purification, crystallization and preliminary X-ray diffraction analysis of thermostable nitrile hydratase: research letter
(Academy of Science of South Africa (ASSAf), 2004)Microbial nitrile hydratases are important industrial enzymes that catalyse the conversion of nitriles to the corresponding amides. Bacillus strain RAPc8 nitrile hydratase has recently been cloned and functionally ... -
Pursuing a corporate understanding of service-learning in nursing education: a case study
(Unisa press, 2014)A corporate definition of service-learning (SL) could help to mainstream SL in higher education institutions (HEIs). Concepts like ‘service-learning’, ‘community engagement’ and ‘community service’ tend to be used ... -
Putting Flesh on the Skeleton: South African Judicial Enforcement of the Right to Adequate Housing of Those Subject to Evictions
(Human Rights Law Review, 2008)Access to adequate housing is one of the greatest challenges facing the South African government today. The country’s housing situation is characterised by a severe housing shortage, a huge backlog in the provision of ... -
Putting ourselves into practice: Popular education at/and universities
(Journal of Education, 2005)This paper looks at different ways in which popular education has been played out in South African university adult education (UAE) since the 1980s. It traces the changing relationships between UAE and sections of civil ... -
Pyle metaphyseal dysplasia in an African child: Case report and review of the literature
(Health & Medical Publishing Group, 2016)Pyle disease (OMIM 265900), also known as metaphyseal dysplasia, is a rare autosomal recessive disorder with no known gene mutation. We report a case of Pyle disease in a 7-year-old African boy of mixed ancestry who ... -
PZQ Therapy: How close are we in the development of effective alternative anti-schistosomal drugs?
(Bentham Science Publishers, 2019)Today schistosomiasis, caused mainly by the three major schistosome species (S. mansoni, S. haematobium and S. japonicum), has for many decades and still continues to be on a rapid and swift rise globally, claiming ...
