Browsing by Title
Now showing items 20288-20307 of 35418
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The layering of history. A brief look at eugenics, the holocaust and scientific racism in South Africa.
(The South African Society for History Teaching (SASHT) under the auspices of the School of Basic Sciences, Vaal Triangle Campus, North-West University, 2007) -
Laying the ground work: setting up a student mentoring programme
(Kamla-Raj, 2016)Universities in South Africa take the issue of student success and progression from one year level to the next seriously. A high number of the 2011 cohort of first time entering students who were repeating their first year ... -
LC-ESI/MS/MS analysis of neonicotinoids in urine of very low birth weight infants at birth
(PLoS, 2019)Objectives Neonicotinoid insecticides are widely used systemic pesticides with nicotinic acetylcholine receptor agonist activity that are a concern as environmental pollutants. Neonicotinoids in humans and the environment ... -
Le développement humain local dans les contextes de crise permanente : l’expérience des femmes au Sahara Occidental
(AOSIS OpenJournals, 2009)Les femmes sahraouies sont des agents actifs dans la dynamique sociale des camps de réfugiés, au sein desquels elles ont défini un certain nombre de stratégies de résolution de problèmes pour surmonter les obstacles liés ... -
Le Roux v Dey and children's rights approaches to judging
(PER, 2018)The South African jurisprudence on the rights of children is vibrant and generally progressive, and is supported by an enabling constitutional and statutory framework. The majority decision in Le Roux v Dey 2011 3 SA 274 ... -
Leachability of polycyclic aromatic hydrocarbons from coal tar and synthesis of the nanohybrid photocatalyst for their degradation
(North-West University (South Africa), 2021)There exists a great number of industrial processes that produce coal tar as a by-product. The rate of coal tar production is higher than the rate at which it is converted to other products, and its application is very ... -
The leaching behaviour of a Ni–Cu–Co sulphide ore in an oxidative pressure–acid medium
(Potchefstroom University for Christian Higher Education, 2001)Hydrometallurgical processing of sulphide concentrates is an attractive method for the selective extraction of valuable metals. The dissolution of minerals in a leaching process involves several electrochemical parameters ... -
Leaching kinetics of bottom ash waste as a source of calcium ions
(Taylor & Francis, 2015)Bottom ash is a waste material from coal-fired power plants, and it is known to contain elements that are potentially toxic at high concentration levels when disposed in landfills. This study investigates the use of bottom ... -
Leaching kinetics of carbonatite and silicate based chalcopyrite minerals
(North-West University (South Africa), 2020)Copper (Cu) is a widely used metal with high thermal and electrical conductivities, which is primarily extracted from the low-grade Cu sulphide mineral, chalcopyrite. Hydrothermal extraction is the preferred process for ... -
Leaching kinetics of synthetic heazlewoodite
(North-West University, 2004)The sources of base metals are mainly in the form of oxides or sulphides, of which the sulphides are predominantly present in South Africa. These metals are intergrown platinum group and base metals in the form of alloys ... -
Leaching of rare earth elements from bentonite clay
(The Southern African Institute of Mining and Metallurgy, 2012)Due to increasing concerns of global rare earth element shortfalls in the near future, possible alternative sources of rare earth elements have recently become of economic interest. One such alternative is decanting ... -
Lead exposure in raptors from Japan and source identification using Pb stable isotope ratios
(Elsevier, 2017)Lead (Pb) poisoning is widespread among raptors and water birds. In Japan, fragments of Pb ammunition are still found in endangered eagles although more than 10 years have passed since legislation regarding use of Pb ... -
Lead exposure of workers employed as tappers in a platinum smelting environment
(North-West University, 2004)The study was undertaken after initial surveys indicated that lead (Pb) was present at concentrations in excess of the occupational exposure limit (OEL) on the matte tapping floor (MTF). A follow up study was designed ... -
Leader empowering behaviour, organisational commitment and turnover intention within the gold mining industry
(North-West University, 2007)The mining industry has been under enormous pressure in the past few years. particularly with issues around production and costs. As far as human capital is concerned. the gold industry has seen a high degree of shrinkage ... -
Leader-membership exchange (LMX) impact on work home interference in a South African commuter transport engineering company
(North-West University, 2018)The South African workplace, especially the manufacturing and engineering industry are confronted with many leadership challenges, specifically the value of the employment relationship between subordinates with their ... -
Leadership and citizenship in the Democratic Republic of Congo (DRC): a Christian-ethical appraisal
(North-West University (South Africa), 2020)The Democratic Republic of Congo (DRC) is endowed with natural resources to the extent that it could be one of the richest countries in the world. Nonetheless, this country is one of the poorest (in the world) with more ... -
Leadership and organisational structure as requisite for Total Quality Management to improve academic quality in schools in Zimbabwe
(North-West University (South Africa), 2019)The influence of leadership and structure in the implementation of Total Quality Management (TQM) has not received much attention in the leadership literature. The potential for integrating the leadership and structure ... -
Leadership and team development in higher education : the case of the Faculty of Arts, Potchefstroom Campus of North-West University
(2014)The academic environment in higher education institutions has changed over the last years due to certain factors, which in turn, have influenced the way in which higher education institutions are governed. This has resulted ... -
Leadership and the gospel in the early Pauline churches
(2014)The aim of this study is to gain insight into the leadership processes and dynamics operative in the early Pauline churches. The study is based on Paul’s Early Letters (i.e. 1 & 2 Thessalonians, Galatians, 1 & 2 orinthians, ... -
Leadership as an enabling function: towards a new paradigm for local church leadership in the 21$^s$$^t$ century
(AOSIS, 2015)Ministry leadership presents unanticipated challenges to those seeking to serve the church. Whilst formal theological programmes provide essential education in Christianity and ministry, they do not equip new ministry ...