Browsing by Title
Now showing items 2521-2540 of 7879
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Extending the nomological network of wellness at work
(Southern African Institute for Management Scientists (SAIMS), 2016)Modern-day organisations face rapid and continuous change. In order to deal with this rapidly changing and current hostile economic environment, most organisations have become increasingly dependent on a healthy and engaged ... -
Extending the variability selection of active galactic nuclei in the W-CDF-S and SERVS/SWIRE region
(EDP Sciences, 2020)Variability has proven to be a powerful tool to detect active galactic nuclei (AGN) in multi-epoch surveys. The new-generation facilities expected to become operational in the next few years will mark a new era in time-domain ... -
Extension of Security of Tenure Bill of 2015
(Institute for Poverty, Land and Agrarian Studies, University of the Western Cape, 2016)The Institute for Poverty, Land and Agrarian Studies (PLAAS) welcomes the initiative to amend the Extension of Security of Tenure Act, 62 of 1997. PLAAS is a constituent unit of the School of Government at the University ... -
Extension of the composite quality score (cqs) as an appraisal tool for prospective, controlled clinical therapy trials–A systematic review of meta-epidemiological evidence
(Public Library of Science, 2022)To conduct a survey of current meta-epidemiological studies to identify additional trial design characteristics that may be associated with significant over- or underestimation of the treatment effect and to use such ... -
Extensive recombination detected among beak and feather disease virus isolates from breeding facilities in Poland
(Microbiology Society, 2013)Beak and feather disease virus (BFDV) causes the highly contagious, in some cases fatal, psittacine beak and feather disease in parrots. The European continent has no native parrots, yet in the past has been one of the ... -
An extensive search for rapid optical variability in ultracool dwarfs
(Oxford University Press, 2013)In this paper, a summary of optical time-series photometry of 125 ultracool dwarfs is given. The observing strategy was to monitor each object continuously for 2–3 h in order to ascertain whether itwas rapidly variable. ... -
External economic arrangements and South African cities as agents of local development: Illustrations from the City of Cape Town
(GBATA, 2021)The paper examines the role of South African metropolitan cities (metros) in advancing local economic development (LED) through engagements with external actors. Globalization is increasingly changing the roles and players ... -
External stakeholders and health promoting schools: complexity and practice in South Africa
(Emerald, 2014)Purpose: This paper examines the role of two higher education institutions in the Western Cape, South Africa, and how their initiatives and collaboration brought about a particular Health Promoting Schools (HPS) program ... -
The externalisation and casualisation of farm labour in Western Cape horticulture
(Institute for Poverty, Land and Agrarian Studies, University of the Western Cape, 2003)On several Friday nights during February and March 2001, a visitor to Happiness Street1 in the Oostenberg Municipality s newly created Westbank housing project would have witnessed angry scenes. A small crowd of frustrated ... -
Extra-oral suction
(MDPI, 2023)Oral health care workers (OHCW) are exposed to pathogenic microorganisms during dental aerosol-generating procedures. Technologies aimed at the reduction of aerosol, droplets and splatter are essential. This in vivo study ... -
Extracting the global signal from 21-cm fluctuations: the multitracer approach
(Oxford University Press, 2019)The multitracer technique employs a ratio of densities of two differently biased galaxy samples that trace the same underlying matter density field, and was proposed to alleviate the cosmic variance problem. Here, we propose ... -
Extraction and synthesis of silicon nanoparticles (sinps) from sugarcane bagasse ash: A mini-review
(MDPI, 2022)This current study reviews the utilization of the traditional extraction methods and latest findings in extraction of silica from agricultural wastes, in particular, sugarcane bagasse, using inorganic acids to produce ... -
The extreme claim, psychological continuity and the person life view
(Philosophical Society of Southern Africa, 2015)Marya Schechtman has raised a series of worries for the Psychological Continuity Theory of personal identity (PCT) stemming from what Derek Parfit called the 'Extreme Claim'. This is roughly the claim that theories like ... -
Extreme temperatures compromise male and female fertility in a large desert bird
(Nature Research, 2021)Temperature has a crucial influence on the places where species can survive and reproduce. Past research has primarily focused on survival, making it unclear if temperature fluctuations constrain reproductive success, and ... -
Extremely broad lyαline emission from the molecular intragroup medium in Stephan’s quintet: evidence for a turbulent cascade in a highly clumpy multiphase medium?
(IOP Publishing, 2022)We present Hubble Space Telescope Cosmic Origin Spectrograph (COS) UV line spectroscopy and integral-field unit (IFU) observations of the intragroup medium in Stephan’s Quintet (SQ). SQ hosts a 30 kpc long shocked ... -
Extremely deep 150 MHz source counts from the LoTSS deep fields
(EDP Sciences, 2021)With the advent of new generation low-frequency telescopes, such as the LOw Frequency ARray (LOFAR), and improved calibration techniques, we have now started to unveil the subgigahertz radio sky with unprecedented depth ... -
Extremophiles in biofuel synthesis
(Taylor and Francis Group, 2010)The current global energy situation has demonstrated an urgent need for the development of alternative fuel sourcesto the continually diminishing fossil fuel reserves. Much research to address this issue focuses on the ... -
F+ center exchange mechanism and magnetocrystalline anisotropy in Ni-doped 3C-SiC
(Elsivier, 2022)Towards the development of a magnetic semiconductor suitable for spintronic device applications in extreme environments, we explored the possibility of inducing magnetic interaction in SiC by doping Nickel. The X-ray ... -
Fabrication and characterization of electrospun waste polyethylene terephthalate blended with chitosan: A potential single-use material
(MDPI, 2023)Textile single-use products are dominantly used for hygiene and personal care, many of which are non-biodegradable and are frequently discarded into sewerage systems, thus causing blockages. Thus, there is a need to move ... -
Fabrication of AgCu/TiO2 nanoparticle-based sensors for selective detection of xylene vapor
(Royal Society of Chemistry, 2022)The design and fabrication of innovative nanostructured materials that could display improved sensitivity, selectivity, and rapid response/recovery characteristics still present significant scientific challenges. Herein ...