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Novel empowered supports for iron-based Fischer-Tropsch in a power-to-liquids process
Published 2024“…It has been suggested that potassium can impact the rate at which carbon is formed during FT by facilitating CO dissociation on the catalyst surface. Potassium also inhibits hydrogen chemisorption resulting in more carbon on the catalyst surface, longer chain products and higher olefin production 4,5 . …”
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Shelf biogeochemical interactions and feedback processes in the Benguela upwelling system
Published 2018“…Increased silicate dissolution occurs in warm, surface waters and the particles that pass through the water column undissolved settle at the bottom where dissolution continues. …”
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Pharmacotherapy for Social Anxiety Disorder and Posttraumatic Stress Disorder: New Meta-Analytic Approaches to Synthesising the Evidence
Published 2022“…The P-score, an analogue to the surface under the cumulative ranking curves (SUCRA), was used to rank the treatments on a continuous scale for all pairwise comparisons for the SAD NMA, and for the PTSD review, ranking probabilities using the surface under the cumulative ranking curve (SUCRA) and mean ranks were assessed. …”
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Evaluation of a flat sheet woven fabric membrane for use in water treatment processes suited to rural and peri-urban economies
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The effects of introduced mice on seabirds breeding at sub-Antarctic Islands
Published 2019“…Attacks started independently in small pockets all around the island’s 70 km coastline, separated by distances hundreds of times greater than mouse home ranges. Attacks have continued from 2016–2018 at varying rates on summer-breeding albatross fledglings, showing how mice alone may significantly affect threatened seabird species (Chapter 6). …”
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Control of Hepatitis B and C virus infection in chronic haemodialysis patients
Published 2017“…Other factors which have been associated with this poor response include increased age, male gender, specific human leukocyte antigens, shorter time on a dialysis programme and poor nutritional status. …”
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An investigation into the degradation of biochar and its interactions with plants and soil microbial community
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South Africa's Stolen Gold: a legal analysis of the impact of illegal mining on South Africas national security
Published 2023“…This paper emphasises policy failures and government strategies that have largely ignored the security of the country's mineral resources as they lie on the surface and subsurface of the earth, specifically in abandoned and derelict mines.…”
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Diazinon-induced clastogenity and pathological changes in ovaries and testes of clarias gariepinus
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Volcanology and geochemistry of selected kimberlites from the Lulo kimberlite field, Angola
Published 2025“…Within Angola, there are hundreds of known kimberlite bodies of which, it is estimated, far fewer than 50% have been studied and fewer than 5% have economic diamond grades (Pereira et al., 2003). …”
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“Exploring the contribution of alternative food systems towards food security: a case study of the siyazenzela food garden project”
Published 2020“…In South African urban centres the development of Alternative Food Systems (AFS) have been partially attributed with seeking to overcome the exclusion enforced through the apartheid regime’s racial planning policies. …”
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A stepwise Study on the characterisation and processing of South African Platinum Group Tailings
Published 2024“…On the other hand, as the industry has endured, so has its waste accumulation. Tailings dumps continue to grow, and continue to pose various environmental issues. …”
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A novel semi-passive process for sulphate removal and elemental sulphur recovery centred on a hybrid linear flow channel reactor
Published 2021“…Mostly overlooked, ARD discharges from diffuse sources, associated with the SA coal mining industry, have a marked impact on the environment, similar to those originating from underground mine basins. …”
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Effects of temperature on gular fluttering and evaporative water loss in four sympatric cormorants in southern Africa
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Modelling of Residual Stresses of Blood Vessels
Published 2016“…The first problem incorporates residual stresses that are locked within individual load-free layers. The second problem continues the first problem by incorporating residual stresses acting at the interface surface between arterial layers, and then determine the artery wall stress distribution under blood pressure. …”
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