نتایج جستجو برای: the rivers entrance
تعداد نتایج: 16056479 فیلتر نتایج به سال:
TL dosimetry is known as one of the effective dose estimation methods in diagnostic radiology. Cephalometry is used by dentists, oral and maxillofacial surgeons to choose the appropriate treatment. The purpose of this study is to measure the entrance skin dose, and dose to different organs of the patients in cephalometry using TLD-100. The entrance skin, and organ dose were obtained by putting ...
Meandering channels formed by geophysical flows (e.g., rivers and seafloor turbidity currents) include the most extensive sediment transport systems on Earth. Previous measurements from rivers show how helical flow at meander bends plays a key role in sediment transport and deposition. Turbidity currents differ from rivers in both density and velocity profiles. These differences, and the lack o...
There has been too much of a one-way flow drift down a river of evidence. Researchers from rich countries have produced the primary evidence which they proceed to summarise within reviews. These summaries have directed care worldwide. However, things are changing and the river of evidence can flow in the other direction. The care of women with eclampsia has been changed or refined throughout th...
Background. Success of radiotherapy relies on accurate dose delivery. In vivo dosimetry improves control of treatment quality. Patients and methods. In vivo dosimetry with commercial diodes was performed in 209 rectal cancer patients treated with four-field box technique. The diodes measured either entrance or exit dose in each treatment field. The results were compared to the planned values an...
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