Suchergebnisse - "Plessis, Johan du"

Identification of effective control technologies for additive manufacturing von Plessis, Johan du, Preez, Sonette du, Stefaniak, Aleksandr B.

“… Additive manufacturing (AM) refers to several types of processes that join materials to build objects, often layer-by-layer, from a computer-aided design file …”
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Health Effects of Household Solid Fuel Use: Findings from 11 Countries within the Prospective Urban and Rural Epidemiology Study von Hystad, Perry, Duong, MyLinh, Brauer, Michael, Larkin, Andrew, Arku, Raphael, Kurmi, Om P., Fan, Wen Qi, Avezum, Alvaro, Azam, Igbal, Chifamba, Jephat, Dans, Antonio, du Plessis, Johan L., Gupta, Rajeev, Kumar, Rajesh, Lanas, Fernando, Liu, Zhiguang, Lu, Yin, Lopez-Jaramillo, Patricio, Mony, Prem, Mohan, Viswanathan, Mohan, Deepa, Nair, Sanjeev, Puoane, Thandi, Rahman, Omar, Lap, Ah Tse, Wang, Yanga, Wei, Li, Yeates, Karen, Rangarajan, Sumathy, Teo, Koon, Yusuf, Salim

“… Household air pollution (HAP) from solid fuel use for cooking affects 2.5 billion individuals globally and may contribute substantially to disease burden …”
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Exposures during industrial 3-D printing and post-processing tasks von Du Preez, Sonette, Johnson, Alyson, LeBouf, Ryan F, Linde, Stephanus J.L, Stefaniak, Aleksandr B, Du Plessis, Johan

“… Purpose This paper aims to measure exposures to airborne contaminants during three-dimensional (3-D) printing and post-processing tasks in an industrial …”
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Combining radar and direct observation to estimate pelican collision risk at a proposed wind farm on the Cape west coast, South Africa von Jenkins, Andrew R., Reid, Tim, du Plessis, Johan, Colyn, Robin, Benn, Grant, Millikin, Rhonda

“… Pre-construction assessments of bird collision risk at proposed wind farms are often confounded by insufficient or poor quality data describing avian flight …”
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Electrical conductivity and defect disorder of tantalum‐doped TiO2 von Alim, Mohammad A., Bak, Tadeusz, Atanacio, Armand, Plessis, Johan Du, Zhou, Meifang, Davis, Joel, Nowotny, Janusz

“… The present work reports the electrical properties of polycrystalline Ta‐doped TiO2 (0.39 at.% Ta) determined in situ at elevated temperatures (1173‐1323 K) in …”
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Modular Molecules: Site-Selective Metal Substitution, Photoreduction, and Chirality in Polyoxometalate Hybrids von Vonci, Michele, Akhlaghi Bagherjeri, Fateme, Hall, Peter D., Gable, Robert W., Zavras, Athanasios, O'Hair, Richard A. J., Liu, Yuping, Zhang, Jie, Field, Matthew R., Taylor, Matthew B., Du Plessis, Johan, Bryant, Gary, Riley, Mark, Sorace, Lorenzo, Aparicio, Pablo A., López, Xavier, Poblet, Josep M., Ritchie, Chris, Boskovic, Colette

“… The first members of a promising new family of hybrid amino acid–polyoxometalates have emerged from a search for modular functional molecules. Incorporation of …”
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Towards task shifting? A comparison of the accuracy of acute trauma-radiograph reporting by medical officers and senior radiographers in an african hospital von Plessis, Johan du, Pitcher, Richard

“… Due to the universal shortage of radiologists, medical officers are largely responsible for acute trauma radiograph reporting in public sector healthcare …”
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Influence of calcium ion deposition on apatite-inducing ability of porous titanium for biomedical applications von Chen, Xiao-Bo, Li, Yun-Cang, Plessis, Johan Du, Hodgson, Peter D., Wen, Cui’e

“… In the present study, the influence of calcium ion deposition on the apatite-inducing ability of porous titanium(Ti) was investigated in a modified simulated …”
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International guidelines for the in vivo assessment of skin properties in non-clinical settings: part 1. pH von Stefaniak, Aleksandr B., Plessis, Johan du, John, Swen M., Eloff, Fritz, Agner, Tove, Chou, Tzu-Chieh, Nixon, Rosemary, Steiner, Markus F. C., Kudla, Irena, Linn Holness, D.

“… Background Skin surface pH is known to influence the dissolution and partitioning of chemicals and may influence exposures that lead to skin diseases …”
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Fitzpatrick Skin Type, Individual Typology Angle, and Melanin Index in an African Population: Steps Toward Universally Applicable Skin Photosensitivity Assessments von Wilkes, Marcus, Wright, Caradee Y, du Plessis, Johan L, Reeder, Anthony

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Lung function, inflammation and cardiovascular mortality in Africans von Breet, Yolandi, Schutte, Aletta E., Huisman, Hugo W., Eloff, Fritz C., Du Plessis, Johan L., Kruger, Annamarie, Van Rooyen, Johannes M.

“… Background The link between impaired lung function and cardiovascular outcome is well established in European and American populations. It is possible that …”
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A systematic review of the health effects of Acacia , Eucalyptus , and Pinus wood dust: Implications for South African occupational exposure limits von Engelbrecht, Ilzé, Horn, Suranie R., du Plessis, Johan L.

“… South Africa's commercially planted timber is mainly from the non-native genera (acacia), (eucalyptus), and (pine). These trees are popular because they are …”
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Emissions and Exposures Associated with the Use of an Inconel Powder during Directed Energy Deposition Additive Manufacturing von van Ree, Marelizé, du Preez, Sonette, du Plessis, Johan L.

“… Additive manufacturing (AM) has been linked to potential exposure-related health risks, however, there is a paucity of sufficient research. This study aimed to …”
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International guidelines for the in vivo assessment of skin properties in non-clinical settings: Part 2. transepidermal water loss and skin hydration von Plessis, Johan du, Stefaniak, Aleksandr, Eloff, Fritz, John, Swen, Agner, Tove, Chou, Tzu-Chieh, Nixon, Rosemary, Steiner, Markus, Franken, Anja, Kudla, Irena, Holness, Linn

“… Background There is an emerging perspective that it is not sufficient to just assess skin exposure to physical and chemical stressors in workplaces, but that …”
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CNT/PDMS composite membranes for H2 and CH4 gas separation von Nour, Majid, Berean, Kyle, Balendhran, Sivacarendran, Ou, Jian Zhen, Du Plessis, Johan, McSweeney, Chris, Bhaskaran, Madhu, Sriram, Sharath, Kalantar-zadeh, Kourosh

“… Polydimethylsiloxane (PDMS) composites with different weight amounts of multi-walled carbon nanotubes (MWCNT) were synthesised as membranes to evaluate their …”
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Transepidermal water loss, stratum corneum hydration, and skin surface pH of female African and Caucasian nursing students von Young, Monica M, Franken, Anja, Plessis, Johan L

“… Background Conflicting evidence exists on how skin barrier function compares between Africans and Caucasians. This study measured skin barrier function of …”
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South African and International Reference Values for Lung Function and its Relationship with Blood Pressure in Africans von van Rooyen, Yolandi, Huisman, Hugo W., Schutte, Aletta E., Eloff, Fritz C., Du Plessis, Johan L., Kruger, Annamarie, Van Rooyen, Johannes M.

“… In South Africa respiratory diseases are highly prevalent, with cardiovascular disease being a manifestation. However, international reference values for lung …”
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Comparing the Sustainable Development Potential of Industries: A Role for Sustainability Disclosures? von Du Plessis, Johan, Bam, Wouter

“… Governments often seek to facilitate sustainable growth through the targeted support of specific industries that are deemed to have considerable sustainable …”
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Beyond the Clock: Revisiting Occupational Exposure Limits (OELs) for unusual work schedules in the South African Mining Industry von Engelbrecht, Ilzé, Horn, Suranie, Badenhorst, Cas J., du Plessis, Johan L.

“… •Workers are exposed to airborne contaminants during their shifts.•OELs have been developed to protect worker health.•Standard OELs are based on exposure …”
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Malignant extracranial germ cell tumours: A first national report by the South African Children's Cancer Study Group von Hendricks, Marc, Cois, Annibale, Geel, Jennifer, du Plessis, Johan, Bassingthwaighte, Mairi, Naidu, Gita, Rowe, Biance, Büchner, Ané, Omar, Fareed, Thomas, Karla, Uys, Ronelle, Zyl, Anel, Heerden, Jaques, Mahlachana, Ngoakoana, Vermeulen, Johani, Davidson, Alan, Frazier, A. Lindsay, Donald, Kirsty, Kruger, Mariana

“… Objective To determine the overall survival (OS) and prognostic factors influencing outcomes in children and adolescents with malignant extracranial germ cell …”
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