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Genomic and transcriptomic analyses of epsilon-poly-L-lysine producing Streptomyces albulus

Crosse, Amanda Jane (2018)

Biodiesel production has increased significantly in the past 15 years since it offers a renewable solution to fossil fuels. This production increased the availability of the process’s by-product, crude glycerol. Crude ...

The foreign business establishment exemption and other aspects of section 9D of the Income Tax Act

Ismail, Faizel (2018)

This research report considers a number of practical issues that arise in relation to the enforcement of section 9D of the Income Tax Act No. 58 of 1962 (“ITA”) read together with complementary provisions of the Tax ...

Agent based simulation of the dial-a-flight problem

Reddy, Daniel Tharushen (2018)

Agent based simulation and modelling (ABSM) has been noted as a novel method in solving complex problems. This dissertation makes use of the ABSM method in conjunction with a Genetic Algorithm to nd good solutions to ...

Spectroscopy of trivalent neodymium ions (Nd3+) in zinc oxide (ZnO) thin films and powders

Gatsi, Nyepudzai Charsline (2019)

Intrinsic defects with energy levels which lie within the wide band gap of ZnO play an important role in the excitation of incorporated trivalent rare-earth (RE3+) ions, in ZnO:RE3+. In the present study, low-temperature ...

On the Triggering Mechanisms of Upward Lightning

Schumann, C.; Saba, M; Warner, T.; Ferro, M.; Helsdon Jr, J.H.; Thomas, R.; Orville, R.E. (Nature Research, 2019-12)

Upward lightning studies took place in Rapid City, South Dakota, USA and S. Paulo, Brazil during the summer thunderstorm seasons from 2011 to 2016. One of the main objectives of these campaigns was to evaluate and characterize ...

Relationship between undrained shear strength and moisture content for red berea sand tailings

Du Plessis, Albertus (2001)

The project report deals with the relationship between the undrained shear strength and the moisture content of Red Berea sand tailings. The tailings were obtained from the Red Berea sand dunes near Richards Bay, Kwa-Zulu ...

Surface moisture and vegetation cover analysis for drought monitoring in the southern Kruger National Park using Sentinel-1, Sentinel-2, and Landsat-8

Urban, M.; Berger, C.; Mudau, T.E.; Heckel, K.; Truckenbrodt, J.; Odipo, V.O.; Smit, I.P.J. (MDPI, 2018-09)

During the southern summer season of 2015 and 2016, South Africa experienced one of the most severe meteorological droughts since the start of climate recording, due to an exceptionally strong El Niño event. To investigate ...

A metagenomic viral discovery approach identifies potential zoonotic and novel mammalian viruses in Neoromicia bats within South Africa

Geldenhuys, M.; Mortlock, M.; Weyer, J.; Bezuidt, O.; Seamark, E.C.J; Kearney, T. (Public Library of Science, 2018-03)

Species within the Neoromicia bat genus are abundant and widely distributed in Africa. It is common for these insectivorous bats to roost in anthropogenic structures in urban regions. Additionally, Neoromicia capensis have ...

Carnivore conservation needs evidence based livestock protection

van Eeden, L.M.; Eklund, A.; Miller, J.R.B.; López-Bao, J.V; Chapron, G.; Cejtin, M.R.; McManus, J. (Public Library of Science, 2018-09)

Carnivore predation on livestock often leads people to retaliate. Persecution by humans has contributed strongly to global endangerment of carnivores. Preventing livestock losses would help to achieve three goals common ...

Chiefs in a Democracy: A Case Study of the 'New' Systems of Regulating Firewood Harvesting in Post-Apartheid South Africa

Findlay, S.J.; Twine, W.C. (MDPI, 2018-03)

Much of the international commons literature reveals a decreased functioning of local traditional institutions that regulate natural resource harvesting. In South Africa, it is believed that the creation of new democratic ...

Transplant Experiments Point to Fire Regime as Limiting Savanna Tree Distribution

Stevens, N.; Archibald, S.; Bond, W.J. (Frontiers Media, 2018-09-18)

Plant species range shifts are predicted to occur in response to climate change. The predictions are often based on the assumption that climate is the primary factor limiting the distribution of species. However the ...

The effect of post traumatic stress disorder on the school performance of adolescents

Amod, Yaseera (1999)

The aims of this study were: 1) To determine the relationship between Post Traumatic Stress and its impact on the school performance of adolescents. 2) To determine whether exposure to violence impacts on school performance. ...

Biological and geophysical feedbacks with fire in the Earth system

Archibald, S.; Lehmann, C.E.R.; Belcher, C.M.; Bond, W.J.; Bradstock, R.A. (Environmental Research Letters, 2018-03-06)

Roughly 3% of the Earth's land surface burns annually, representing a critical exchange of energy and matter between the land and atmosphere via combustion. Fires range from slow smouldering peat fires, to low-intensity ...

An evaluation of the ‘separation of powers’ governance model in the Johannesburg Metropolitan Municipality

Chikwema, Salatial (2018)

The absence of the separation of executive and legislative functions in local government limits oversight, accountability, and public participation. Governance in municipalities in South Africa is ‘distressed’ because of ...

Evaluation of glassfibre reinforced plastic pipe couplings for high pressure applications

Gutmayer, Johannes (1992)

This research was conducted in order to establish the feasibility of manufacturing GRP pipe couplings for high pressure GRP piping systems.The use of GRP pipes in high pressure piping systems is desirable due to their ...

Analysis of the rock mass behaviour as associated with Ventersdorp contact reef stopes, South Africa

Guler, Gokhan (1998)

In the Far West Rand Goldfields a series of lava flows covers the important, auriferous deposit known as the Ventersdorp Contact Reef (VCR), which separates the lavas from various sedimentary rock types. Until recently, ...

Een scone leeringe om salich te Sterven - een middelNederlandse ars moriendi tussen letterkunde en didactiek

Grunder, Tatiana Elisabeth (1990)

The aim of this research is to show that the Middle Dutch text Een scone leerinoe om salich te sterven is an example of an Ars moriendi that combines features of both the typical didactic Speculum-tradition and literary ...

Heat transfer and pressure drop of regenerative air pre-heater elements.

Gruen, Kristina (1998)

In the present study the thermal and hydraulic performance of heating plates used in regenerative air pre-heater was investigated. Experimental results on new heating surfaces are presented as well as preliminary ...

Total quality management in the South African motor industry

Grossett, Matthew Jon (1991)

Quality has become an increasingly important customer decision factor for a growing number of products and services (Feigenbaum 1983) . The increased quality awareness amongst Consumers, coupled with high levels of competition ...

International donors in democratic South Africa: a comparative-case study

Groeblinghoff, Barbara (1996)

International donor organisations have been in a somewhat extraordinary position in South Africa until recently; since the previous dispensation lacked national as well as international legitimacy, donors were unwilling to ...

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