o 



o 



o _ 



(D J 



tXO 

 O 



DEPOSITION GRADIENTS AND ISOLATION 

 lO lOO I.OOO lO.OOO 



lOO 



lOOO lOOOO 

 I 



d d. 



Distance in metres 



- 2 



- 3 



- 4 



V 5 



-6 



D=d, 



- 8 



Fig. 27. — Deposition coefficient, p = o-ooi. 



175 



'^ 



/ 



WOODS 

 HOLE, i 



