Suchergebnisse - "du Preez, S."

Additive Manufacturing for Occupational Hygiene: A Comprehensive Review of Processes, Emissions, & Exposures von Stefaniak, A.B., Du Preez, S, Du Plessis, JL

“… This comprehensive review introduces occupational (industrial) hygienists and toxicologists to the seven basic additive manufacturing (AM) process categories …”
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A systematic review of enteric dysbiosis in chronic fatigue syndrome/myalgic encephalomyelitis von Du Preez, S., Corbitt, M., Cabanas, H., Eaton, N., Staines, D., Marshall-Gradisnik, S.

“… Background Chronic fatigue syndrome or myalgic encephalomyelitis (CFS/ME) is an illness characterised by profound and pervasive fatigue in addition to a …”
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Insights Into Emissions and Exposures From Use of Industrial-Scale Additive Manufacturing Machines von Stefaniak, A.B., Johnson, A.R., du Preez, S., Hammond, D.R., Wells, J.R., Ham, J.E., LeBouf, R.F., Martin, S.B., Duling, M.G., Bowers, L.N., Knepp, A.K., de Beer, D.J., du Plessis, J.L.

“… Emerging reports suggest the potential for adverse health effects from exposure to emissions from some additive manufacturing (AM) processes. There is a …”
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Exhaled breath condensate hydrogen peroxide, pH and leukotriene B4 are associated with lower airway inflammation and airway cytology in the horse von du Preez, S., Raidal, S. L., Doran, G. S., Prescott, M., Hughes, K. J.

“… Summary Background Exhaled breath condensate (EBC) analysis is a noninvasive method to assess the lower respiratory tract. In human subjects, EBC hydrogen …”
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Silicon Carbide Formation Enhanced by In-Situ-Formed Silicon Nitride: An Approach to Capture Thermal Energy of CO-Rich Off-Gas Combustion von du Preez, S. P., Beukes, J. P., van Zyl, P. G., Tangstad, M., Tiedt, L. R.

“… Carbothermic smelting of ores to produce metals or alloys in alternating current open/semiclosed and closed submerged arc furnaces, or in closed direct current …”
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Aqueous solubility of Cr(VI) compounds in ferrochrome bag filter dust and the implications thereof von du Preez, SP, Beukes, JP, van Dalen, WPJ, van Zyl, PG, Paktunc, D, Loock-Hattingh, MM

“… The production of ferrochrome (FeCr) is a reducing process. However, it is impossible to completely exclude oxygen from all of the high-temperature production …”
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Insights Into Emissions and Exposures From Use of Industrial-Scale Additive Manufacturing Machines von Stefaniak, A.B, Johnson, A.R, du Preez, S, Hammond, D.R, Wells, J.R, Ham, J.E, LeBouf, R.F, Martin, S.B. Jr, Duling, M.G, Bowers, L.N, Knepp, A.K, de Beer, D.J, du Plessis, J.L

“… Background: Emerging reports suggest the potential for adverse health effects from exposure to emissions from some additive manufacturing (AM) processes. There …”
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Cr(VI) Generation During Flaring of CO-Rich Off-Gas from Closed Ferrochromium Submerged Arc Furnaces von du Preez, S. P., Beukes, J. P., van Zyl, P. G.

“… Ferrochromium (FeCr) is the only source of new Cr units used in stainless steel production, which is a vital modern day alloy, making FeCr equally important …”
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Validation of Using a Modified BET Model to Predict the Moisture Adsorption Behavior of Bituminous Coal von Strydom, C. A., Campbell, Q. P., le Roux, M., du Preez, S. M.

“… A good correlation exists between the amount of moisture adsorbed and the oxygen content of medium-rank B vitrinite-rich and medium-rank C inertinite-rich …”
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Pre-reduction of United Manganese of Kalahari Ore in CO/CO2, H2/H2O, and H2 Atmospheres von Davies, J., Tangstad, M., Schanche, T. L., du Preez, S. P.

“… The incorporation of hydrogen, which is a relatively unexplored reductant used during ferromanganese (FeMn) production, is an attractive approach to lessen …”
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Exhaled breath condensate hydrogen peroxide, pH and leukotriene B 4 are associated with lower airway inflammation and airway cytology in the horse von du Preez, S., Raidal, S. L., Doran, G. S., Prescott, M., Hughes, K. J.

“… Exhaled breath condensate (EBC) analysis is a noninvasive method to assess the lower respiratory tract. In human subjects, EBC hydrogen peroxide (H O ), pH and …”
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Preparation of anodized aluminium oxide at high temperatures using low purity aluminium (Al6082) von Kozhukhova, A.E., du Preez, S.P., Bessarabov, D.G.

“… A rapid two-step anodization process was developed to prepare semi-ordered nanoporous anodized aluminium oxide (AAO) layers using an inexpensive aluminium (Al) …”
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The effects of pore widening and calcination on anodized aluminum oxide prepared from Al6082 von Kozhukhova, A.E., du Preez, S.P., Bessarabov, D.G.

“… In this study, semi-organized anodized aluminum oxide (AAO) is prepared by two-step anodization in oxalic acid using a low-purity aluminum (Al) alloy (Al6082) …”
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Thrombocytopenia, neutropenia, ulcerative dermatitis and haemarthrosis in a neonatal foal von Preez, S., Hughes, K. J.

“… Summary A 3‐day‐old Standardbred filly, born from a multiparous mare, was presented for assessment of limb swellings and reduced appetite. Physical examination …”
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The consistency and influence of environmental and animal factors on exhaled breath condensate hydrogen peroxide, pH and leukotriene B 4 in horses von du Preez, S., Raidal, S.L., Doran, G.S., Nielsen, S.G., Hughes, K.J.

“… This study was performed to determine the consistency of exhaled breath condensate (EBC) hydrogen peroxide (H O ), pH and leukotriene B (LTB ) measurements in …”
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The consistency and influence of environmental and animal factors on exhaled breath condensate hydrogen peroxide, pH and leukotriene B4 in horses von du Preez, S., Raidal, S.L., Doran, G.S., Nielsen, S.G., Hughes, K.J.

“… •Exhaled breath condensate (EBC) analysis is a non-invasive method to assess the lower respiratory tract.•Intra- and inter-day consistency for both EBC H2O2 …”
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Titanium powders used in powder bed fusion : their relevance to respiratory health von du Preez, S., De Beer, D.J., Du Plessis, J.L.

“… This study aimed to characterise three titanium powders used in powder bed fusion in terms of particle size, shape, and elemental composition for comparison …”
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Volvulus of the large colon in a neonatal foal von du Preez, S., Trope, G. D., Owens, C., Hughes, K. J.

“… Summary A one‐day‐old Thoroughbred colt foal was presented for assessment of abdominal pain and reduced urine output. Physical examination of the foal revealed …”
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IRIDIUM CATALYST SUPPORTED ON CONDUCTIVE TITANIUM OXIDES FOR POLYMER ELECTROLYTE MEMBRANE ELECTROLYSIS von Pushkarev, A.S., Pushkareva, I.V., Du Preez, S.P., Ivanova, N.A., Grigoriev, S.A., Slavcheva, E.P., Bessarabov, D.G., Fateev, V.N., Aliyev, A.Sh

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Recycling pre-oxidized chromite fines in the oxidative sintered pellet production process von du Preez, S.P., Beukes, J.P., Paktunc, D., van Zyl, P.G., Jordaan, A.

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