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Dual-energy X-ray absorptiometry (DXA, or DEXA [1]) is a means of measuring bone mineral density (BMD) using spectral imaging. Two X-ray beams, with different energy levels, are aimed at the patient's bones. When soft tissue absorption is subtracted out, the bone mineral density (BMD) can be determined from the absorption of each beam by bone ...
To reduce soft-tissue errors in DXA, DXL technology was developed in the late 1990s by a team of Swedish researchers led by Prof. Ragnar Kullenberg. With DXL technology, the region of interest is scanned using low and high energy x-rays as with a DXA scan. The improvement to DXA with DXL is that, for each pixel scanned by DXA, the exact ...
The Rossville Public Library was organized in 1942 as a product of the Works Progress Administration.Upon completion of the library, neighboring LaFayette, Georgia's library board approached the library in Rossville to request a regional library system be constructed between the two branches.
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President-elect Donald Trump and his allies have vowed to radically shift American policy from Day 1. From mass deportations to eliminating the Department of Education, Trump's policies could ...
Science & Tech. Shopping. Sports. Weather. 24/7 Help. For premium support please call: ... Before work, she spends 2 ½ hours biohacking. Barnes-Lentz's morning routine takes about 2 ½ hours.
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The Association of College and Research Libraries (ACRL) recognized the library's effort to reinvent itself by awarding it a 2007 Excellence in Academic Libraries Award. [3] [4] [5] The Georgia Tech Library is located in the center of campus [6] and is open 24/7 as of the Fall term of 2014. [7] Among the Library staff members are subject ...