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56
31-08-16
Block tray transmission factor
Transmission factor, TF, for the shadow tray:
The size of TF depend of thickness and material of the shadow
tray but will generally be 0.9-0.97
D(z,c)
D
R
*O
R
(c)*TPR(z,c)*k
w
(c)
*TF(E)
MU=
·
Attenuation in the plastic tray