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Galaxy correlations and the BAO in a void universe: structure formation as a test of the Copernican Principle

Author: February, Sean ; Clarkson, Chris ; Maartens, Roy Date: 19 A 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
Appearances can be deceptive: revealing a hidden viral infection with deep sequencing in a plant quarantine context

Author: Candresse, T ; Filloux, D ; Muhire, B ; Julian, C ; Galzi, S ; Fort, G ; Bernardo, P ; Daugrois, J-H ; Fernandez, E ; Martin, D P ; Varsani, A ; Roumagnac, P Date: 25 Comprehensive inventories of plant viral diversity are essential for effective quarantine and sanitation efforts. The safety of regulated plant material exchanges presently relies heavily on techniques such as PCR or nucleic acid hybridisation, ... Read more c b
Bayesian inference for radio observations

Author: Lochner, Michelle ; Natarajan, Iniyan ; Zwart, Jonathan T L ; Smirnov, Oleg ; Bassett, Bruce A ; Oozeer, Nadeem ; Kunz, Martin Date: 25 New telescopes like the Square Kilometre Array (SKA) will push into a new sensitivity regime and expose systematics, such as direction-dependent effects, that could previously be ignored. Current methods for handling such systematics rely on ... Read more c b
ancGWAS: a post genome-wide association study method for interaction, pathway and ancestry analysis in homogeneous and admixed populations

Author: Chimusa, Emile R ; Mbiyavanga, Mamana ; Mazandu, Gaston K ; Mulder, Nicola J Date: 27 Despite 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
The effect of sulfide concentrate mineralogy and texture on Reactive Oxygen Species (ROS) generation

Author: Jones, Gavin C ; Becker, Megan ; van Hille, Robert P ; Harrison, Susan T L Date: ROS The 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
The Emancipation of Transkei

Author: Schrire, Robert Date: Jan 1977 On 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
Eighteenth Century Cape Society and its Historiography: Culture, Race, and Class

Author: Giliomee, Hermann Date: 1983 The 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
Constitutional change and the issue of reform: A Review of the Buthelezi Commission and President's Council Constitutional Reports

Author: Schrire, Robert Date: Jan 1983 One 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
The rhetoric and reality of local government reform

Author: Cameron, Robert Date: 1986 N. 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
Modelling techniques for biological reaction systems: 1 Mathematical description and model representation

Author: Billing, Alison Emslie ; Dold, Peter Lorimer Date: 1988 This 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
Causation and the concomitant issue of apportionment with reference to gross income in South African income- tax law

Author: Emslie, Trevor ; Jooste, Richard Date: 1989 The 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
The effect of culture history on the disruption of Alcaligenes eutrophus by high pressure homogenisation

Author: Harrison, Susan T ; Dennis, John S ; Chase, Howard A Date: 1990 To 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
The ANC's constitutional guidelines: The case for devolution

Author: Cameron, Robert Date: 1990 This 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
One state, three faces: Policing in South Africa (1910–1990)

Author: Seegers, Annette Date: 1991 This 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
Growth of juvenile round herring Etrumeus whiteheadi in the Benguela system

Author: Waldron, M E ; Prosch, R M ; Armstrong, M J Date: 1991 The 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
The disruption of Alcaligenes eutrophus by high pressure homogenisation: key factors involved in the process

Author: Harrison, S T ; Chase H A ; Dennis, J S Date: 1991 The 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
The lysis of Gram-negative Alcaligenes eutrophus by enzymes from Cytophaga

Author: Harrison, Susan T L ; Chase, Howard A ; Dennis, John S Date: 1991 The 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
South Africa's National Security Management System, 1972-90

Author: Seegers, Annette Date: Jun 1991 Analyses 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
The plasticisation of polyhydroxybutyrate in vivo

Author: Harrison, Susan T L ; Chase, Howard A ; Amor, Stuart R ; Bonthrone, Karen M ; Sanders, Jeremy K M Date: 1992 The influence of a variety of treatments on the mobility and crystallinity of poly(hydroxybutyrate) (PHB) in whole cells and native granules has been proved using 13C-n.m.r. spectroscopy and X-ray powder diffraction, and correlated with the ... Read more c b n d
Birthdate distribution of juvenile anchovy, Engraulis capensis caught in the Southern Benguela ecosystem

Author: Waldron, M E ; Armstrong, M J ; Roel, B A Date: 1992 Birthdate 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

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