Search Results - "Willemse, C."
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The role of neuromodulation in chronic functional constipation: a systematic review
Published in Acta gastro-enterologica belgica (01-07-2021)“…Chronic functional constipation is a highly prevalent disorder in which, when conservative measures fail to relieve symptoms, surgical interventions are…”
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Patients’ preference for general or regional anaesthesia for caesarean deliveries at a district hospital, Free State, South Africa
Published in South African journal of obstetrics and gynaecology (1999) (01-09-2019)“…Background. Informing patients about available anaesthesia options allows patients to share in decision-making.Objectives. To determine the preference for…”
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Improvement of voicing in patients with Parkinson's disease by speech therapy
Published in Neurology (11-02-2003)“…Speech therapy in PD patients, focusing on an increase of phonatory-respiratory effort, has adverse effects because it raises vocal pitch and laryngeal muscle…”
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Monte Carlo electron source model validation for an Elekta Precise linac
Published in Medical physics (Lancaster) (01-05-2011)“…Purpose: Electron radiation therapy is used frequently for the treatment of skin cancers and superficial tumors especially in the absence of kilovoltage…”
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A Detailed Account of The Inconsistent Labelling Problem of Stutter-Preserving Partial-Order Reduction
Published in Logical methods in computer science (01-01-2021)“…One of the most popular state-space reduction techniques for model checking is partial-order reduction (POR). Of the many different POR implementations,…”
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Tensile moduli of co-continuous polymer blends
Published in Polymer (Guilford) (01-11-1999)“…Co-continuous blends of polyethylene with polypropylene or polystyrene are shown to exhibit high tensile moduli. The experimental results exceed predictions of…”
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Correct and Efficient Antichain Algorithms for Refinement Checking
Published in Logical methods in computer science (01-01-2021)“…The notion of refinement plays an important role in software engineering. It is the basis of a stepwise development methodology in which the correctness of a…”
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Inclusion of compensator-induced scatter and beam filtration in pencil beam dose calculations
Published in Medical physics (Lancaster) (01-08-2006)“…Compensators can be used as beam intensity modulation devices for intensity-modulated radiation therapy applications. In contrast with multileaf collimators,…”
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Morphology development in immiscible polymer blends: initial blend morphology and phase dimensions
Published in Polymer (Guilford) (01-11-1999)“…The morphology of blends of polystyrene and polyethylene prepared by single screw extrusion and static mixing is shown to consist initially of sheets, which…”
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Comparison of the Batho, ETAR and Monte Carlo dose calculation methods in CT based patient models
Published in Medical physics (Lancaster) (01-04-2001)“…This paper shows the contribution that Monte Carlo methods make in regard to dose distribution calculations in CT based patient models and the role it plays as…”
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A framework for the extended evaluation of ABAC policies
Published in Cybersecurity (Singapore) (01-12-2019)“…A main challenge of attribute-based access control (ABAC) is the handling of missing information. Several studies have shown that the way standard ABAC…”
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Co-continuous morphologies in polymer blends: a new model
Published in Polymer (Guilford) (01-11-1998)“…A model for phase continuity in polymer blends based on geometrical requirements for co-continuous structures has been developed. The minor phase of a fully…”
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Monte Carlo calculation of effective attenuation coefficients for various compensator materials
Published in Medical physics (Lancaster) (01-09-2003)“…Effective attenuation coefficients for 6, 8, and 15 MV photon beams were derived and studied for various compensator materials for square beams with side…”
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Co-continuous morphologies in polymer blends : the influence of the interfacial tension
Published in Polymer (Guilford) (01-02-1999)Get full text
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SU‐FF‐T‐107: Analytical Modeling of Pencil Beams to Include Compensator‐Related Beam Perturbations
Published in Medical physics (Lancaster) (01-06-2005)“…Compensators can be utilized as radiation beam intensity modulators. In order to use it effectively, aspects like beam hardening and compensator‐induced…”
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The indirect use of CT numbers to establish material properties needed for Monte Carlo calculation of dose distributions in patients
Published in Medical physics (Lancaster) (01-07-1998)“…A number of Monte Carlo codes are available, which can be used to calculate dose distributions in patients with high accuracy. Patient geometry can readily be…”
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Co-continuous morphologies in polymer blends: stability
Published in Polymer (Guilford) (01-04-1999)“…A critical volume fraction of the minor component within the major component can be distinguished above which the co-continuous morphology in a polymer blend…”
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Die inkomstebelastinghantering van aanvangsfranchisefooie betaalbaar in die Suid-Afrikaanse petroleumbedryf
Published in Journal of Economic and Financial Sciences (01-10-2011)“…A wholesaler of petroleum products is prohibited in terms of section 12(2)(c) of Regulation 287 of the Petroleum Products Act, No. 120 of 1977, to own a retail…”
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Radiological properties of a wax–gypsum compensator material
Published in Medical physics (Lancaster) (01-05-2005)“…In this paper the radiological properties of a compensator material consisting of wax and gypsum is presented. Effective attenuation coefficients (EACs) have…”
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