ScienceJohn Michels (Journalist) 1959 |
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Стр. 80
... 90 have been found in the lower levels ( 3 ) . Estimates of future contamination of foods based on the as- sumption that strontium - 90 is retained in the upper few inches of soil may , over a period of decades , yield estimates which ...
... 90 have been found in the lower levels ( 3 ) . Estimates of future contamination of foods based on the as- sumption that strontium - 90 is retained in the upper few inches of soil may , over a period of decades , yield estimates which ...
Стр. 1690
... strontium - 90 uptake in plants . DISCRIMINATION AGAINST Sr 2 Fig . 2. Discrimination against strontium. each case the concentration of stron- tium - 90 based on plant calcium de- Icreased as soil calcium increased . The first increments ...
... strontium - 90 uptake in plants . DISCRIMINATION AGAINST Sr 2 Fig . 2. Discrimination against strontium. each case the concentration of stron- tium - 90 based on plant calcium de- Icreased as soil calcium increased . The first increments ...
Стр. 1692
... strontium - 90 . The observed movement of calcium at the time of the third cutting and the effect of high soil calcium on the movement of strontium- 90 are of interest from the standpoint of fallout movement in soils . Because the ...
... strontium - 90 . The observed movement of calcium at the time of the third cutting and the effect of high soil calcium on the movement of strontium- 90 are of interest from the standpoint of fallout movement in soils . Because the ...
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