Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Cálculo de Atividade<br />
dN/dt = - λ . N<br />
dN/N = - λ . dt<br />
∫<br />
dN/N = ∫ - λ . dt<br />
Integrando de N 0 a N e de 0 a t :<br />
ln N – ln N 0 = -λ . (t – 0)<br />
ln (N/N 0 ) = -λ . t<br />
N/N 0 = e -λ . t