نتایج جستجو برای: vulnerable scanner
تعداد نتایج: 71901 فیلتر نتایج به سال:
Abstract Ultrasound imaging, one of the most widely used diagnostic modalities, anchors fields medicine, physics, and engineering. In university classrooms, however, ultrasound imaging is often taught passively with a lack practical element as clinical machines are not easily available there very few alternative teaching tools on market. As part an undergraduate student project, we have develop...
In multicenter studies and longitudinal studies that use two or more different quantitative computed tomography (QCT) imaging systems, anthropomorphic standardization phantoms (ASPs) are used to correct inter-scanner differences and allow pooling of data. In this study, in vivo imaging of 20 women on two imaging systems was used to evaluate inter-scanner differences in hip integral BMD (iBMD), ...
BACKGROUND Emergencies such as wars and natural disasters increase the vulnerability of affected populations and expose these populations to risks such as disease, violence, and hunger. Emergency public health interventions aim to mitigate these effects by providing basic minimum requirements, reducing vulnerability, and reducing exposure to risk. Targeted services are generally aimed at childr...
background: a variable resolution x-ray (vrx) ct scanner provides a great increase in the spatial resolution. in vrx ct scanners, the spatial resolution of the system and its field of view (fov) can be changed according to the object size. one of the main factors that limit the spatial resolution of vrx ct scanner is the effect of the x-ray focal spot. materials and methods: a theoretical study...
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