Now showing items 21-30 of 1550
'n Ekonomiese evaluering van alternatiewe spilpuntbeleggingstrategieë in die Suid-Vrystaat substreek met inagneming van risiko
(University of the Free State, 1989-11)
English: The lack of reliable procedures for the economic evaluation of centre pivot investment alternatives results in unsatisfactory research results in respect of the economics of irrigation on the one hand, and often ...
The systematics of the genus Garuleum cass. (Asteraceae)
(University of the Free State, 2013)
English: The aim of this study is to provide a taxonomic revision and molecular phylogenetic analysis of the eight Garuleum Cass. (Asteraceae) species of southern Africa. The taxonomic revision resulted in the construction ...
A study to determine if experience with mouse-orientated computer games enhances the value that a user draws from an office package in a GUI environment
(University of the Free State, 2006-05)
English: Computer use is transforming the lives of many South Africans and is fast changing the way organisations communicate and do business. It also means that thousands of people in South Africa, from different cultures, ...
The resistance of grain sorghum to the root rot pathogen complex
(University of the Free State, 2012-02)
English: Crop losses are estimated at 30% for sorghum annually as a result of invasion of pathogens or pests. Root rot is usually the result of a complex of soilborne fungi such as Fusarium spp., Pythium spp., Macrophomina ...
Sol-gel synthesis of and luminescent properties of Pr³⁺ in different host matrices
(University of the Free State, 2009-11)
Luminescent ZrO2:Pr3+ , SiO2:Pr3+, ZnO:Pr3+ and ZnS:Pr3+ nanophosphors were synthesized by a sol-gel method, dried, ground and annealed in air at 600oC (SiO2:Pr3+, ZrO2:Pr3+, ZnO:Pr3+ and ZnS:Pr3+) or 280oC (ZrO2:Pr3+). ...
Die toevoer van beeste en die gehalte van karkasse uit 'n vleisproduksie oogpunt by die Bloemfonteinse slagpale
(University of the Free State, 1979-07)
Afrikaans: 1. Ondersoek is ingestel na die toevoer van slagdiere en die gehalte van die karkasse by die Bloemfonteinse slagpale. 2. Die doel van die studie was om ondersoek in te stel na die tipes diere wat geslag word ...
Basin analysis of the Kalahari Manganese Basin
(University of the Free State, 2015-12-01)
Abstract not available
Weidingkapasiteitstudies op veld in die Noord-Kaap
(University of the Free State, 1990-11)
No abstract available.
Synthesis and functionalisation of polyepichlorohydrin
(University of the Free State, 2004-12)
During this study, benzo-15-crown-5 was synthesised as sodium cation scavenging ligand. This crown ether moiety was then functionalised to 4’-formylbenzo-15-crown-5 and 4’-(hydroxymethyl)benzo-15-crown-5. The first synthesis ...
Characterization of macro- and micro-invertebrates and assessment of water quality in dams and rivers of Qwaqwa
(University of the Free State (Qwaqwa Campus), 2016)
This study was aimed at assessing water quality status and documentation of waterborne invertebrate organisms in freshwaters (rivers and dams) of Qwaqwa area of Maluti-A-Phofung municipality. Water samples were collected ...