ScienceJohn Michels (Journalist) 1959 |
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Стр. 81
... obtained through the studies of " whistlers , " and with English data obtained by observation of the transit of radio signals from the earth to the moon and back . Several techniques were employed by the Soviets to obtain electron ...
... obtained through the studies of " whistlers , " and with English data obtained by observation of the transit of radio signals from the earth to the moon and back . Several techniques were employed by the Soviets to obtain electron ...
Стр. 390
... obtained from A. G. Siegfried , Zofingen , Switzerland . 6. Asolectin is a preparation of mixed soybean phosphatides , obtained from Associated Concentrates , Woodside , Long Island , N.Y. 7. L. Michaelis , Biochem . Z. 234 , 139 ( 1931 ) ...
... obtained from A. G. Siegfried , Zofingen , Switzerland . 6. Asolectin is a preparation of mixed soybean phosphatides , obtained from Associated Concentrates , Woodside , Long Island , N.Y. 7. L. Michaelis , Biochem . Z. 234 , 139 ( 1931 ) ...
Стр. 1277
... obtained was analyzed for Sr90 by the ion - exchange method ( 3 ) . The filter papers were allowed to dry . They were then placed in a large porcelain crucible and heated slowly to 450 ° C and held at this temperature until they were ...
... obtained was analyzed for Sr90 by the ion - exchange method ( 3 ) . The filter papers were allowed to dry . They were then placed in a large porcelain crucible and heated slowly to 450 ° C and held at this temperature until they were ...
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172 | 172 |
Speed versatility and convenience in measuring | 219 |
Volume 10 1959 | 291 |
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