http://www.w3.org/ns/prov#value | - In some cases, e.g. 32P, the bremsstrahlung produced by shielding the beta radiation with the normally used dense materials (e.g. lead) is itself dangerous; in such cases, shielding must be accomplished with low density materials, e.g. Plexiglass (lucite), plastic, wood, or water;[11] because the rate of deceleration of the electron is slower, the radiation given off has a longer wavelength and is
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