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Modelling and resolving of the ambiguous angle of arrival measurements of the SANAE IV SuperDARN Radar
Published 2018“…A third algorithm involving the Chinese Remainder Theorem (CRT) was shown to work in theory (albeit only up to ±66ᵒ), but failed to perform in practice. Results presented in this dissertation indicate that the maximum measurable AOA is expanded by a factor of 4 by using the STDEV algorithm. …”
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Towards a material damage model using the logarithmic strain, with von Mises plasticity considerations
Published 2023“…Moreover, this proposed model makes the assumption of full isotropy, all material properties at a material point are the same in tension and compression and the same regardless of the dimension. …”
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An investigation into the precipitation of Fe(III) oxyhydroxides in lime neutralization processes
Published 2020“…These molar ratios had an effect on product performance which was improved at the low OH/ Fe molar ratio. …”
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Reliability assessment of structural concrete with special reference to shear resistance
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Localised solution methods for efficient analysis of large antenna arrays
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Lateral support of axially loaded columns in portal frame structures provided by sheeting rails
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Assessment and prediction of chloride ingress and carbonation in patch repair mortars
Published 2017“…The widespread premature failure of patch repairs which meet the existing compressive strength criteria implies that the use of compressive strength as a performance indicator may not provide a reliable measure of the durability performance. …”
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ATOM : a distributed system for video retrieval via ATM networks
Published 2016“…Characteristics of multimedia data are investigated including the use of compression to reduce the excessive bit rates and storage requirements of digital video. …”
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Water quality effects on the bubble-particle attachment of sulfide minerals
Published 2022“…This work also showed that the performance of bubble-particle attachment under ionic solutions was attributed to underlying factors such as the surface charge and collector – mineral adsorption. …”
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Transient simulation of a sub- to transcritical CO2 refrigeration cycle
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Durability specifications for structural concrete: an international comparison
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Structural optimisation via genetic algorithms
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The effect of hydrocarbon exposure and temperature on the behaviour of elastomeric seals
Published 2016“…Temperature sensitivity was explored by performing swelling at 20oC, 35 oC and 50 oC. Van't Hoff plots were used to obtain enthalpies of mixing. …”
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The clinical presentation and outcome of tuberculosis in children admitted to a paediatric intensive care unit in an area with a high incidence of pulmonary tuberculosis
Published 2017“…Bronchoscopies were performed on 13 children and found to be abnormal in 12 cases. …”
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An assessment of the inherent reliability of SANS 10162-2 for cold-formed steel columns using the direct strength method
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The durability of natural sisal fibre reinforced cement-based composites
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Structural, economic and environmental feasibility of plastic load-bearing walling and roofing system for low-income housing
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