Numerous dykes traverse the Witwatersrand Supergroup rocks in the Carletonville Goldfield. The aim of this study was to investigate a classification system for the dykes. Samples were obtained from Tau Tona and Mponeng ...

Waste generation is a widespread phenomenon around the world, of which the majority is disposed by landfilling. In landfills, waste constitutes an integral part of the hydrological system, and thus poses a threat to ...

English: The purpose of this study was to investigate the effect of variations in climatic factors such as vernalization periods, minimum- and maximum temperatures and rainfall on the expression of host plant resistance ...

The main purpose of this thesis is to give an exposition of and expand the theory of near vector spaces, as first introduced by Andr´e [1]. The notion of a vector space is well known. For this reason the material in this ...

English: New ruthenocene-containing β -diketones 1-Ruthenocenyl-4,4,4,-trifluorobutan-1,3-dione [Hrctfa, pKa / = 7.31(3)], 1-ruthenocenylbutan-1,3-dione [Hrca, pKa / = 10.22(4)] 1-ruthenocenyl-3- phenylpropan-1,3-dione ...

English: In the early 1990’s, Kock and co-workers discovered acetylsalicylic acid (ASA)-sensitive oxylipins in yeasts. It was also reported that the site of production of these compounds may serve as important targets to ...

English: Fanconi anaemia (FA) is a rare autosomal recessive and X-linked disorder characterized by a very high frequency of bone marrow failure and many other manifestations. These include, but are not restricted to, severe ...

English: The purpose of the first chapter was to give a short introduction to the study. Although there were exponential increases in knowledge, there are still fields of study where there is little understanding and ...

Newly discovered skeletons of the Early Triassic basal cynodont, Galesaurus planiceps, has enabled a detailed morphological redescription of the postcrania of this genus. The examination of Galesaurus reveals two ...

Bacillus represents a genus of Gram-positive bacteria, which are ubiquitous in nature being found in soil, water, and airborne dust. They are distinguished from other Gram- positive bacteria by their ability to produce ...