Colwell, Hector Alfred, Russ, Sidney · London, G. Bell and sons · leaf 93
e RaA deposited on the wire decays toform RaB, which in turn forms RaC ; these remain on thewire, and eventually a condition of equilibrium obtains whenthe maximum amount of active deposit is obtained. This isabout 3 hours after the exposure of the wire has begun. Theactive deposit adheres to the… … Mercury THE ACTIVE DEPOSIT OF RADIUM 11 the decay of activity being different according to which typeof rays is measured. This is clearly seen from the data in Table32, which correspond to two different conditions of measure-ment, the time of exposure being the same in the two cases. Table 32.Decay…
X-rays -- Physiological effect
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