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PET-MRI systems don't offer a direct way to obtain attenuation maps, unlike stand-alone PET or PET-CT systems. [ 32 ] [ 33 ] Stand alone PET systems' attenuation correction (AC) is based on a transmission scan (mu - map) acquired using a 68 Ge ( Germanium-68 ) rotating rod source, which directly measures photon attenuation at 511 keV.
Orchard MRT concourse level with the faregates. Rail operators are government-assisted profit-based corporations, fares and ticketing on Singapore 's Mass Rapid Transit (MRT) system are aimed to break-even or exceed operating expenses. [1][2] Rail operators collect fares based on account-based (ABT) and card-based ticketing options, [3][4] the ...
Rubidium-82 (82 Rb) is a radioactive isotope of rubidium. 82 Rb is widely used in myocardial perfusion imaging. This isotope undergoes rapid uptake by myocardiocytes, which makes it a valuable tool for identifying myocardial ischemia in Positron Emission Tomography (PET) imaging. 82 Rb is used in the pharmaceutical industry and is marketed as ...
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Raycon has an amazing selection of best selling earbuds, headphones and more which rival the most popular brands — but best of all, they’re significantly less expensive. And right now, you can ...
Pet rental is the practice, usually administered by for-profit companies, of renting pets such as dogs and cats. Rental also includes animals who are hired out at a specific rate for a specific time. [1] It is a controversial practice opposed by many animal rights advocates and has been banned in at least one municipality: Boston, Massachusetts.
A medium-capacity system (MCS), also known as light rapid transit or light metro, is a rail transport system with a capacity greater than light rail, but less than typical heavy-rail rapid transit. [ 1 ] MCS trains are usually 1 to 4 cars. Most medium-capacity rail systems are automated or use light-rail type vehicles.
While some cats can handle 5 to 10 minutes of training, others do better with only 2 to 5 minutes at a time. Even if your cat's attention can only be held for two minutes, repeating these ...