40 - 



S 20 

 cc 



LU 



"^ 







4 8 12 16 20 24 28 



TIME, hours 



en 



E 



>- 



t, 2 



CC 



O 



LU 1 

 CJ 



cc 



LU 

 Q_ 



o 







0.5 1.0 



LOG TIME, days 



1.5 



144 



