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Now showing items 29756-29775 of 78351
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(University of Pretoria, 2021-11-30)On a quest to eliminate the use of fossil fuels to alleviate challenges associated with climate change, it has become vital to rely on lignocellulosic biomass as an alternative source for generating value-added products ...
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(American Association for the Advancement of Science, 2024-02)Large mammalian herbivores (megafauna) have experienced extinctions and declines since prehistory. Introduced megafauna have partly counteracted these losses yet are thought to have unusually negative effects on plants ...
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(Document Transformation Technologies, 2009-07-06)Paper presented at the 28th Annual Southern African Transport Conference 6 - 9 July 2009 "Sustainable Transport", CSIR International Convention Centre, Pretoria, South Africa.
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(SAGE, 2014-05)Similar to Dickens’s Tale of Two Cities, this research study is about a tale of two schools. The first type of school is a dysfunctional school. Dysfunctional schools are schools in a state of chaos (Shipengrower & Conway, ...
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(Elsevier, 2016-01)Consumer concerns to synthetic chemicals have led to strong preference for ‘clean’ label starches. Lipidand hydrocolloids are food friendly chemicals. This study determines the effects of stearic acid and xan-than gum alone ...
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(University of Pretoria, 2011)This research set out to explore the financial management by SGBs in public primary schools. The challenges as they were experienced by SGBs were identified. This study revealed that some public schools SGBs are dysfunctional ...
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(Elsevier, 2016-01)The dough functionality of the storage proteins in “gluten-free” grains has been studied for almost 25 years. Zein, maize prolamin, when isolated as a-zein can form a wheat gluten-like visco-elastic dough when mixed with ...
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(Springer, 2014-09)We report on a non-covalent functionalization of graphene foam (GF) synthesized via chemical vapour deposition (CVD). The GF was treated with pyrene carboxylic acid (PCA) which acted as a source of oxygen and/or ...
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(Elsevier, 2019-08)Activated carbon prepared from locust bean husk was modified using ortho-phosphoric acid (ALBP) and used to scavenge Rhodamine B (RhB) dye from aqueous solutions. Characteristic features of the adsorbents were investigated using ...
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A functionally conserved STORR gene fusion in Papaver species that diverged 16.8 million years ago (Nature Research, 2022-04)The STORR gene fusion event is considered essential for the evolution of the promorphinan/ morphinan subclass of benzylisoquinoline alkaloids (BIAs) in opium poppy as the resulting bimodular protein performs the isomerization ...
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(University of Pretoria, 2012)Illiteracy continues to be a major problem in developing countries. Botswana as an emerging economy with consumers of different literacy levels has no escape for this problem. This study puts the spotlight on consumer ...
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(Elsevier, 2005-01-19)The efficacy of cellular immune responses elicited by HIV vaccines is dependent on their strength, durability and antigenic breadth. The regulatory proteins are abundantly expressed early in the viral life cycle and CTL ...
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(Health and Medical Publishing Group, 2016-05-31)BACKGROUND : ADHD (attention-deficit/hyperactivity disorder) is gradually being acknowledged as a functionally impairing disorder across the lifespan, underscored by heritability. Nonetheless, lack of ADHD (adult ...
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(South African Association for Public Administration and Management, 2002-09)The article describes the formation of the Southern African Development Community (SADC) and reflects on the structure and value of the institution within the region. The concept of intergovernmental relations (IGR) is ...
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(Elsevier, 2022)Large Capital Projects (LCPs) have a significant impact on the growth and development of local and international economies. Their failure stagnates progress, is not sustainable and cripples the economy and society in which ...
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(South African Institute of Chartered Accountants, 2006-06)Many non-profit entities set aside specific amounts of money received from third parties exclusively aimed at achieving a certain objective. The initial fund capital is generally kept intact and utilised to generate ...
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(Investment Analysts Society of Southern Africa, 2010-05)Market sentiment, the popular press and academia are divided on the question of whether the size of a fund affects its performance. This study examines the issue by constructing hypothetical portfolios of varying sizes, ...
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(Springer, 2022-03)Traditionally, pyrometallurgical reactors are lined on the inside with refractory materials. Some of the high-temperature phases are aggressive towards the furnace lining, requiring periodic repair or replacement of the ...
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(University of Pretoria, 2013)As organisations and managers start to realise the strategic value of knowledge within their organisation, several attempts have been made to implement Knowledge Management (KM) within these organisations. The standard ...
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(University of Pretoria, 2010-09-17)Previous research indicates compositional variation of pentlandite [(Fe,Ni)9S8] and the effect this variation may have on the electrochemical behaviour of pentlandite is poorly understood. Pentlandite is the primary source ...
Now showing items 29756-29775 of 78351