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Browsing Collection H by Title

Now showing items 1-20 of 330

Abortion, sentience and moral standing : a neurophilosophical appraisal

Van Bogaert, Louis-Jacques (Stellenbosch : Stellenbosch University, 2002)

ENGLISH ABSTRACT: Moral theories on abortion are often regarded as mutually exclusive. On the one hand, pro-life advocates maintain that abortion is always morally wrong, for life is sacred from its very beginning. On ...
Actual and predicted performance of broiler chickens

Van Niekerk, S. J.(Sarel Johannes) (Stellenbosch : Stellenbosch University, 2004)

ENGLISH ABSTRACT: The aim of this study was to evaluate the performance and profitability of different dietary specifications for broiler chickens slaughtered at 35 days of age. Two trials were performed to evaluate ...
AFLP and PCR markers for the Ht1, Ht2, Ht3 and Htn1 resistance genes in maize

Van Staden, Derick (Stellenbosch : Stellenbosch University, 2001)

ENGLISH ABSTRACT: Maize is undoubtedly South Africa's most important field crop. The identification of markers and genes for traits of interest is important to sustain the improvement of maize cultivation. Northern corn ...
Amino acid requirements of feedlot cattle according to the duodenal and whole empty body essential amino acid profile

Erasmus, Morné (Stellenbosch : Stellenbosch University, 2001)

ENGLISH ABSTRACT: The purpose of this study was to determine the essential amino acid requirements of beef cattle under feedlot conditions through evaluation of the duodenal and whole empty body essential amino acid ...
An analysis of glycerol synthesis by Saccharomyces cerevisiae

Cronwright, Garth Rupert,1974- (Stellenbosch : Stellenbosch University, 2002)

ENGLISH ABSTRACT: Glycerol metabolism is paramount to the physiological adaptation by Saccharomyces cerevisiae to hyper-osmotic stress conditions. Glycerol metabolism also -plays a fundamental role in maintaining a redox ...
An analysis of population structure using microsatellite DNA in twelve Southern African populations of the Mozambique tilapia, Oreochromis mossambicus (Peters)

Hall, Edward G (Stellenbosch : Stellenbosch University, 2001)

ENGLISH ABSTRACT: DNA micro satellite loci express extensive allelic variation making them convenient markers for research in many fields employing population genetic tools, including aquaculture and conservation genetics. ...
Analysis of the mobilization region of the broad host-range IncQ-like plasmid, pTC-F14, and its ability to interact with a related plasmid, pTF-FC2

Van Zyl, Leonardo Joaquim (Stellenbosch : Stellenbosch University, 1900)

ENGLISH ABSTRACT: The 14.2 kb plasmid pTC-FI4 was isolated from the moderately thermophilic (45°- 50°C), highly acidophilic (pH 1.5 to 2.5), chemolithotrophic bacterium Acidithiobacil/us caldus and has a replicon that ...
Anna Maria van Schurman (1607-1678) en haar kennis van oud-oosterse talen

Beek, Pieta van,1958- (Stellenbosch : Stellenbosch University, 2003)

ENGLISH ABSTRACT: We know very little about women who studied and excelled in the field of Semitic languages in the seventeenth century - it is an unknown territory, terra incognita. In this thesis I will map Anna Maria ...
Anthocyanins in selected Proteaceae

Schmeisser, Michael (Stellenbosch : Stellenbosch University, 2002)

ENGLISH ABSTRACT: Trials were conducted to follow colour development during the growth season of the commercial Leucadendron cultivar 'Siivan' Red', as well as the Protea cultivars 'Ivy', 'Carnival' and 'Sylvia'. HPLC ...
Antimicrobial susceptibility and population dynamics of a defined biofilm community under different nutrient conditions

Garny, Kerstin (Stellenbosch : Stellenbosch University, 2004)

ENGLISH ABSTRACT: Little is known about the impact of nutrient conditions on antimicrobial resistance in biofilms grown under continuous flow conditions. Furthermore, community-level response of biofilms to antimicrobial ...
Aspects of sucrose metabolism in transgenic tobacco

Champanis, Reinette (Stellenbosch : Stellenbosch University, 2004)

ENGLISH ABSTRACT: In most plants the efficiency of sucrose production and the systemic distribution thereof are the major determinants of growth, development and yield. The factors governing sugar partitioning co-ordinate ...
Assessment of fish as bio-indicators of river health in rivers of the southwestern Cape

Hayes, Johan Barnard (Stellenbosch : Stellenbosch University, 2002)

ENGLISH ABSTRACT: In this study, the Fish Assemblage Integrity Index (FAll) was applied on three rivers within the southwestern Cape. This index uses fish as indicators of biological aquatic integrity and is based ...
Assessment of inoculation techniques to evalute apple resistance to Phytophthora cactorum

Zondo, Patience Thembelihle (Stellenbosch : Stellenbosch University, 2001)

ENGLISH ABSTRACT: Phytophthora cactorum (Lebert & Cohn) Schrot. is the primary cause of crown, collar and root rot diseases of apple (Malus domestica Borkh.) trees worldwide. This pathogen is most destructive in commercial ...
An assessment of the contributions of Afrikaner, Hereford and Simmentaler in composite breed development in beef cattle

Skrypzeck, Heidi (Stellenbosch : Stellenbosch University, 2000)

ENGLISH ABSTRACT: The objective of this study was to obtain more information regarding the characterisation of Afrikaner (A), Hereford (H) and Simmentaler (S) breeds in an initial crossbreeding programme and subsequent ...
An assessment of the potential for utilisation of soil-stored seed, from on- and off 'conservation islands' (isolated mountains), as an indicator of restoration potential of degraded sites in semi-arid Karoo areas

Jones, F. Elizabeth(Freda Elizabeth) (Stellenbosch : Stellenbosch University, 2000)

ENGLISH ABSTRACT: The composition and state of soil-stored seed banks on- and off the mesa Tafelberg, in the Nama Karoo rangelands of the Eastem Cape, South Africa, were investigated within the context of a broader ...
Automated landing of an intelligent unmanned aerial vehicle in crosswind conditions using total energy control

Le Roux, C. T. Engelbrecht, J. A. A. (2014-12)

This paper presents the development, implementation and verification of a flight control system for the automated landing of an intelligent unmanned aerial vehicle (UAV) in crosswind conditions. There is an increasing ...
Basic emotion words in Sesotho

Mlangeni, Khatamela Christopher (Stellenbosch : Stellenbosch University, 2001)

ENGLISH ABSTRACT: The purpose of this study is to identify the basic emotion verbs in Sesotho. Five basic emotions verb are identified: anger, anxiety, disgust, sadness, and fear. The verbs, expressions, as well as ...
The behaviour of reinforced concrete cantilever columns under lateral impact load

Loedolff, Matthys Johannes (Stellenbosch : Stellenbosch University, 1989)

ENGLISH ABSTRACT: see item for full text
Biochemical and physiological changes associated with estrogenic activity in Xenopus laevis : a model for the detection of endocrine disruption

Hurter, Etienne (Stellenbosch : Stellenbosch University, 2003)

ENGLISH ABSTRACT: Concern has increased that widespread adverse effects are occurring in humans and wildlife populations as a result of exposure to environmental chemicals (mostly man-made) that disrupt the normal ...
Biological indicators of copper-induced stress in soil

Du Plessis, Keith R.(Keith Roland) (Stellenbosch : Stellenbosch University, 2002)

ENGLISH ABSTRACT: The concentrations of copper (Cu) in vineyard soils of the Western Cape range from 0.1 to 20 ppm. However, more than 160 tons of the fungicide copper oxychloride are annually being sprayed on these ...