1.2 " 



0.8 - 



0.4 F 

 



B 



— -«ri^ 



i i i 



j i i — i 



0.8 



°-4 y.^.^^^s'J.- 







' 



I I 1 I I 



-I I I I I I I 



2 4 6 8 



10 12 14 16 18 20 22 24 



DAYS 



Fig. 6. Change in component values in time -- experiment 6. 

 Symbols are the same as for figures 2, 4. 



146 



