| Front | how do we maximize the K-edge effect? |
| Back | image with kVp b/w 65 and 90 - remember that avg energy is 1/3 to 1/2 of max energy --> this provides maximum effect for K edge of barium (37 keV) and iodine (33 keV) |
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| Front | why is plastic used as a shield in nucs for beta emitters? |
| Back | this minimizes bremstrahlung production (lead would make bremstrahlung much worse) |
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| Front | what is spatial resolution of FDP limited by? |
| Back | detector element size (2.5 -3.0 line pair/mm) |
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