Results 1 to 10 of about 9,677 (148)
Diagnostics, 2023 The air kerma is a key parameter in medical diagnostic radiology. Radiologists use the air kerma parameter to evaluate organ doses and any associated patient hazards.
Yanjie Lu, Nan Zheng, GuodaoZhang
exaly +4 more sources
Copper at ancient Kerma: A diachronic investigation of alloys and raw materials
Advances in Archaeomaterials, 2022 This paper describes the first comprehensive study of metal artefacts found at ancient Kerma, Sudan. Covering a period of several millennia, it investigates the development of copper alloy recipes as well as metal provenance through the trace element and
Frederik W. Rademakers +5 more
doaj +2 more sources
Calibration of spectrometric detectors for air kerma rates in environmental monitoring [PDF]
Nuclear Technology and Radiation Protection, 2020 The spectrometric systems, especially based on NaI(Tl) and HPGe detectors, are used for nuclide identification and calculation of their activities from the ground measurements and air-borne monitoring.
Ohera Marcel, Sas Daniel, Sladek Petr
doaj +2 more sources
NanomaterialsTympanic membrane (TM) perforations, primarily induced by middle ear infections, the introduction of foreign objects into the ear, and acoustic trauma, lead to hearing abnormalities and ear infections.
Tuba Bedir +11 more
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Exposure Time Dependence of Operators’ Head Entrance Air Kerma in Interventional Radiology Measured by TLD-100H Chips [PDF]
SensorsInterventional radiology offers minimally invasive procedures guided by real-time imaging, reducing surgical risks and enhancing patient recovery. While beneficial to patients, these advancements increase occupational hazards for physicians due to ...
Rocco Mottareale +7 more
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The Importance of Patient Positioning in Radiography When Utilising Automatic Exposure Control [PDF]
Journal of Medical Radiation SciencesIntroduction Automatic exposure control (AEC) is a device used in radiographic practice which terminates a radiographic acquisition when a certain exposure threshold is reached.
Adam Steward +3 more
doaj +2 more sources
EPJ Web of Conferences, 2017 We have studied reasons of differences of KERMA factors and DPA cross-section data among nuclear data libraries. Here the KERMA factors and DPA cross-section data included in the official ACE files of JENDL-4.0, ENDF/B-VII.1 and JEFF-3.2 are examined in ...
Konno Chikara +4 more
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Energy dependence of the response of X-ray multimeter for radiation qualities in mammography [PDF]
Scientific ReportsEnsuring comprehensive quality control of breast imaging systems involving ionizing radiation like mammography and tomosynthesis is crucial for high diagnostic confidence and maintaining an acceptable patient dose.
Elisabeth Salomon +3 more
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Journal of Nuclear Engineering, 2023 The accurate calculation of reactor core heating is vital for the design and safety analysis of reactor physics. However, negative KERMA factors may be produced when processing and evaluating libraries of the nuclear data files ENDF/B-VII.1 and ENDF/B ...
Guanqun Jia, Xubo Ma, Teng Zhang, Kui Hu
doaj +1 more source
Bearings on Classroom Assessment Practices: From Perception to Practice
Altralang Journal, 2023 This study examines the assessment strategies and practices at Oran 2 University, Algeria. It attempts to explore the impact of assessment procedures on learners’ motivation and academic achievements.
Mokhtar KERMA
doaj +1 more source