ScienceJohn Michels (Journalist) 1955 |
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Стр. 70
... material as about 8 × 10-3 atom per 101 atoms of Si and 1 × 10-4 atom per 10 atoms of Si , respectively . A detailed study of some trace elements in a large number of iron meteorites ( 11 ) has shown that extensive , though perhaps ...
... material as about 8 × 10-3 atom per 101 atoms of Si and 1 × 10-4 atom per 10 atoms of Si , respectively . A detailed study of some trace elements in a large number of iron meteorites ( 11 ) has shown that extensive , though perhaps ...
Стр. 77
... material con- tained in the bomb itself , and only a small fraction , if any , of this material is thought to be effective as ice nuclei . In the case of low - altitude explosions a much greater amount of debris is thrown into the ...
... material con- tained in the bomb itself , and only a small fraction , if any , of this material is thought to be effective as ice nuclei . In the case of low - altitude explosions a much greater amount of debris is thrown into the ...
Стр. 529
... material that had to be drawn by an illustrator . None of the drawings had classification markings on them . They , too , would have to be checked . He gathered the material that had been rewritten and the material on which there was ...
... material that had to be drawn by an illustrator . None of the drawings had classification markings on them . They , too , would have to be checked . He gathered the material that had been rewritten and the material on which there was ...
Содержание
ANNUAL REVIEW | 166 |
PSYCHOLOGY | 189 |
Child Psychology M RadkeYarrow and L J Yarrow | 220 |
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