Search Results - "Matthys, A."

On the cubic law and variably saturated flow through discrete open rough-walled discontinuities by Dippenaar, Matthys A., Van Rooy, J. Louis

“…Fracture flow is fairly well documented with the widespread application of, for instance, the cubic law and assumed smooth parallel plate model. Geometrical…”
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A laboratory study of the leachate composition of selected metals in cemeteries (South Africa) by van Allemann, Sunette, Dippenaar, Matthys A., Olivier, Jana

“…Considerable research has been conducted on the physical and chemical corrosion of metals under various environmental conditions, but less attention has been…”
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Towards hydrological and geochemical understanding of an ephemeral palustrine perched water table “wetland” (Lanseria Gneiss, Midrand, South Africa) by Dippenaar, Matthys A

“…Wetland delineation is commonly based on terrain unit, soil form, soil wetness and vegetation indicators which along with the shallow groundwater or proximate…”
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A laboratory study of the pollution of formaldehyde in cemeteries (South Africa) by van Allemann, Sunette, Olivier, Jana, Dippenaar, Matthys A.

“…Cemeteries are known to be associated with soil and groundwater pollution from contaminants in coffin materials. However, possible contamination from embalming…”
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Partially saturated flow from sand into a discrete smooth open vertical fracture at the soil–rock interface: experimental studies by Brouwers, Luke B., Dippenaar, Matthys A.

“…The two proposed conceptual models explaining partially saturated flow from soil into fractured rock in the intermediate fractured vadose zone have not been…”
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Partially to fully saturated flow through smooth, clean, open fractures: qualitative experimental studies by Jones, Brendon R., Brouwers, Luke B., Dippenaar, Matthys A.

“…Fractures are both rough and irregular but can be expressed by a simple model concept of two smooth parallel plates and the associated cubic law governing…”
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Towards a multi-faceted Vadose Zone Assessment Protocol: cemetery guidelines and application to a burial site located near a seasonal wetland (Pretoria, South Africa) by Dippenaar, Matthys A.

“…Cemeteries are generally considered low-risk landfills and are, therefore, not adequately governed in terms of minimum requirements for engineering geological…”
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Lugeon Tests at Partial Saturation: Experimental and Empirical Contributions by Jones, Brendon R., Van Rooy, J. Louis, Dippenaar, Matthys A.

“…Implications of improved understanding of variably saturated flow are numerous, especially given the complexity, heterogeneity, and anisotropy of the…”
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Assessing geotechnical centrifuge modelling in addressing variably saturated flow in soil and fractured rock by Jones, Brendon R., Brouwers, Luke B., Van Tonder, Warren D., Dippenaar, Matthys A.

“…The vadose zone typically comprises soil underlain by fractured rock. Often, surface water and groundwater parameters are readily available, but variably…”
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Porosity Reviewed: Quantitative Multi-Disciplinary Understanding, Recent Advances and Applications in Vadose Zone Hydrology by Dippenaar, Matthys A.

“…Porosity—one of the most basic mechanical properties of a medium—has implications in a vast range of disciplines and used for a similar vast range of…”
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Aquifer vulnerability using recharge, depth to groundwater, soil type and slope to classify the vadose zone (Molototsi and Middle Letaba quaternary catchments, Limpopo Province, South Africa) by Makonto, Olma T, Dippenaar, Matthys A

“…The aquifer vulnerability of the Molototsi (B81G) and Middle Letaba (B82D) quaternary catchments was assessed to determine the influence of the vadose zone on…”
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How We Lose Ground When Earth Scientists Become Territorial: Defining “Soil” by Dippenaar, Matthys A.

“…This short review aims to provide some examples where terrestrial earth sciences—including, for this purpose, geology, engineering geology, soil science,…”
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Zinc absorption, mineral balance, and blood lipids in women consuming controlled lactoovovegetarian and omnivorous diets for 8 wk by Hunt, JR, Matthys, LA, Johnson, LK

“…Zinc absorption, mineral balance, and blood lipid concentrations were measured in 21 women aged 33 +/- 7 y (range: 20-42 y) consuming controlled…”
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Pediatric Ankle Fractures: Evaluation and Treatment by Kay, Robert M, Matthys, Gary A

“…Dr. Kay is Assistant Professor of Orthopaedic Surgery, University of Southern California School of Medicine, Los Angeles, and Attending Surgeon, Childrens…”
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Groundwater occurrence in Basement aquifers in Limpopo Province, South Africa: model-setting-scenario approach by Dippenaar, Matthys A., Witthüser, Kai T., Van Rooy, J. Louis

“…More than 1,000 constant discharge and step-drawdown pumping tests each were analysed for an area underlain by Basement granite in Limpopo Province, South…”
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Clinical diagnosis and course of a floating intravitreal cyst by Matthys, A, Tolou, C, Gualino, V, Olle, P, Soler, V

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Use of noninvasive induction techniques in the diagnosis of PNES by Gogia, Bhanu, Rai, Prashant K., Matthys, Samuel A., Mong, Eric R., Rodriguez, Rafael, Yassin, Ahmed, Patel, Kamakshi, Patel, Chilvana, Todd, Masel

“…The diagnosis of psychogenic nonepileptic seizures (PNES) remains challenging. In the correct clinical setting with prolonged electroencephalography (EEG)…”
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Periapatite may not improve micromotion of knee prostheses in rheumatoid arthritis by van der Linde, Matthys J A, Garling, Eric H, Valstar, Edward R, Tonino, Alfons J, Nelissen, Rob G H H

“…Prosthesis migration in bone inevitably occurs in cemented and uncemented total knee arthroplasty tibial components. Cemented designs as the gold standard give…”
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Comparative X- and Q-Band EPR Study of Radiation-Induced Radicals in Tooth Enamel by Vanhaelewyn, Gauthier C. A M., Sadlo, Jaroslaw, Matthys, Paul F. A E., Callens, Freddy J.

“…Vanhaelewyn, G. C. A. M., Sadlo, J., Matthys, P. F. A. E. and Callens, F. J. Comparative X- and Q-Band EPR Study of Radiation-Induced Radicals in Tooth Enamel…”
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Field tests for the identification of silts by Swart, Duan, Dippenaar, Matthys A., Van Rooy, J. Louis

“…Accurately identifying soil texture and understanding soil behaviour in terms of plasticity is a crucial initial step in properly characterizing a site, which…”
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