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Imaging phantom, or simply phantom, is a specially designed object that is scanned or imaged in the field of medical imaging to evaluate, analyze, and tune the performance of various imaging devices. [ 1] A phantom is more readily available and provides more consistent results than the use of a living subject or cadaver, and likewise avoids ...
Computed tomography angiography (also called CT angiography or CTA) is a computed tomography technique used for angiography —the visualization of arteries and veins —throughout the human body. Using contrast injected into the blood vessels, images are created to look for blockages, aneurysms (dilations of walls), dissections (tearing of ...
The payment card interchange fee and merchant discount antitrust litigation is a United States class-action lawsuit filed in 2005 by merchants and trade associations against Visa, Mastercard, and numerous financial institutions that issue payment cards. The suit was filed because of price fixing and other allegedly anti-competitive trade ...
When a business charges a fee for a form of payment, whether in person, online or by phone, it’s called a surcharge. Credit card surcharges are applied when you use your credit card to make a ...
Low-dose high-resolution (1.25 mm) chest CT. HRCT is performed using a conventional CT scanner. However, imaging parameters are chosen so as to maximize spatial resolution: [1] a narrow slice width is used (usually 1–2 mm), a high spatial resolution image reconstruction algorithm is used, field of view is minimized, so as to minimize the size of each pixel, and other scan factors (e.g. focal ...
Balance transfer fees are typically 3 percent or 5 percent of the total balance you transfer to your new card. So, for every $10,000 in debt you move to a balance transfer credit card, you’ll ...
Photon-counting computed tomography ( PCCT) is a form of X-ray computed tomography (CT) in which X-rays are detected using a photon-counting detector (PCD) which registers the interactions of individual photons. By keeping track of the deposited energy in each interaction, the detector pixels of a PCD each record an approximate energy spectrum ...
Currently, swipe fees average about 2% per transaction and are only lowered by “at least 0.04 percentage points.”. This means on a $100 sale, the $2 fee will be reduced to a maximum of $1.96 ...