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CÁLCULO DE BLINDAGEM - ILEA

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Exercícios<br />

Solução:<br />

Gamão do Co-60 ---> 1,32 R m 2 /Ci.h,<br />

2 gamas por desintegração<br />

{1,17 MeV ,100%, µ/ρ ar=0,0272 cm 2 /g}<br />

{1,33 MeV ,100%, µ/ρ ar=0,0264 cm 2 /g}<br />

Empregando-se a equação anterior<br />

D=1,6.10 -8 .50.3,7.10 10 .3600{1,17.0,0272+1,33.0,0264}/4π2 2 . 10000<br />

D= 14,19 rad/h ou X = 14,19/0,869 = 16,33 R/h<br />

X = 1,32 . 50/2 2 = 16,5 R/h e D = 16,5 . 0,869 = 14,34 rad/h,

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