hard x-ray
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 18641 — under this section
The term "hard x-ray" means a photon with energy greater than 20 kiloelectron volts.
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Defined in 1 dictionary — U.S. Code
42 U.S.C. § 18641 — under this section
The term "hard x-ray" means a photon with energy greater than 20 kiloelectron volts.