Science: v.1-v.219Moses King, 1959 |
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Стр. 902
... tritium concentration ( Table 1 ) , 6.8 ± 0.7 TU ( tritium units = H3 : H x 1018 ) . This sample , plus the two reported by Brown and Grummitt ( 4 ) ( 3.0 and 4.2 TU ) suggests that the tritium content of the arctic surface water has ...
... tritium concentration ( Table 1 ) , 6.8 ± 0.7 TU ( tritium units = H3 : H x 1018 ) . This sample , plus the two reported by Brown and Grummitt ( 4 ) ( 3.0 and 4.2 TU ) suggests that the tritium content of the arctic surface water has ...
Стр. 903
... tritium content . If the sample ( 0.9 ± 0.1 TU ) were largely arctic surface water it could not have flowed down earlier than 1953 and still retain a tritium con- tent of 0.9 TU . A similar age limitation would apply to the sample if it ...
... tritium content . If the sample ( 0.9 ± 0.1 TU ) were largely arctic surface water it could not have flowed down earlier than 1953 and still retain a tritium con- tent of 0.9 TU . A similar age limitation would apply to the sample if it ...
Стр. 1372
... tritium - la- beled isotopes . C. P. Leblond ( Mc- Gill ) used thymidine - H3 as an indi- cator of the replication rate , and he divided cells of the body into three groups on the basis of the percentage of cells labeled after the ...
... tritium - la- beled isotopes . C. P. Leblond ( Mc- Gill ) used thymidine - H3 as an indi- cator of the replication rate , and he divided cells of the body into three groups on the basis of the percentage of cells labeled after the ...
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