Author:February, Sean; Clarkson, Chris; Maartens, RoyDate:19A suggested solution to the dark energy problem is the void model, where accelerated
expansion is replaced by Hubble-scale inhomogeneity. In these models, density
perturbations grow on a radially inhomogeneous background. This large scale ...Read more
Author:Chimusa, Emile R; Mbiyavanga, Mamana; Mazandu, Gaston K; Mulder, Nicola JDate:27Despite numerous successful Genome-wide Association Studies (GWAS), detecting variants that have low disease risk still poses a challenge. GWAS may miss disease genes with weak genetic effects or strong epistatic effects due to the single-marker ...Read more
Author:Jones, Gavin C; Becker, Megan; van Hille, Robert P; Harrison, Susan T LDate:ROSThe generation of Reactive Oxygen Species (ROS), H2O2 and radical dotOH, has been observed from sulfide mineral containing particles in acidic solutions. The implications of this phenomenon, as a potential microbial stress-causing effect, ...Read more
Author:Schrire, RobertDate:Jan 1977On 26 October 1976 the South African Government granted the Transkei, a 37,000 sq. kilometre territory on the south-east coast of the Cape Province, independence. With the exception of South Africa, no state has recognized Transkei and, indeed, ...Read more
Author:Giliomee, HermannDate:1983The revisionist literature of the 1970s approached social stratification in South Africa with the insistence that proper 'weighting' of the race and class factors should occur. Arguing that class and not racial consciousness was the key ...Read more
Author:Schrire, RobertDate:Jan 1983One of the recent growth industries in our political life is in the field of constitutional proposals. From the government side we have had among others the Theron Commission, the Parliamentary Select Committee on the Constitution, and three ...Read more
Author:Cameron, RobertDate:1986N. Dewar, in his article; 'Municipal Government under the New South African Constitution: Who Gets What, Where, Who Decides, and Who Decides Who Decides?' Social Dynamics, Vol. 11(2), argues that the new local government legislation could ...Read more
Author:Billing, Alison Emslie; Dold, Peter LorimerDate:1988This paper is the first in a series of three which deals with modelling and numeric techniques for
biological reaction systems. A matrix for ma rov1des a usef\11. method for model presentation. The matrix ensures clarity as to the ...Read more
Author:Emslie, Trevor; Jooste, RichardDate:1989The objective of this article is twofold: first, to set out the correct role, in our view, of the notion of causation in the application of two elements of the definition of gross income-the characterization of an amount as being from a source ...Read more
Author:Harrison, Susan T; Dennis, John S; Chase, Howard ADate:1990To date, rigorous study of the use of high pressure homogenisation in cell rupture over a wide range of operating conditions has been confined to the yeasts. This investigation concentrates on the rupture of the Gram-negative bacterium ...Read more
Author:Cameron, RobertDate:1990This paper is an analysis of the African National Congress' constitutional proposals with particular reference to the centralisation versus decentralisation debate. One of the main features of the proposals is a predominately centralised ...Read more
Author:Seegers, AnnetteDate:1991This article describes and analyses state behaviour in South Africa between 1910 and 1990 as reflected in its policing. Major changes are identified on the basis of a spectrum of behaviour: liberal, totalitarian, and authoritarian. What makes ...Read more
Author:Waldron, M E; Prosch, R M; Armstrong, M JDate:1991The clupeoid Etrumeus whiteheadi, known locally as the round herring, is an important component of the commercial purse-seine catch off South Africa. Three methods are employed to estimate the growth of juvenile round herring: examination of ...Read more
Author:Harrison, S T; Chase H A; Dennis, J SDate:1991The disruption of the Gram-negative bacterium Alcaligenes eutrophus by high pressure homogenisation, using the APV Gaulin 15M 8BA and 30CD homogenisers is reported. The operating parameters such as operating pressure, number of passes, ...Read more
Author:Harrison, Susan T L; Chase, Howard A; Dennis, John SDate:1991The use of Cytophaga lysing enzymes was investigated for the liberation of poly-~- hydroxybutyrate (PHB) granules from the Gram-negative bacterium AlcaIigenes eutrophus. Complete cell lysis was approached within a 60 minute period. Contrary ...Read more
Author:Seegers, AnnetteDate:Jun 1991Analyses of the South African state during the 1970s and 1980s all tried to come to grips with the role of the security forces. Research justifiably ran in different directions, but the National Security
Management System soon became an ...Read more
Author:Waldron, M E; Armstrong, M J; Roel, B ADate:1992Birthdate distributions of anchovy recruits caught during research surveys in June 1985 and June 1989 were compiled from weighted length frequency distributions, aged samples and length frequencies from commercial catches. Birthdates ranged ...Read more