Science, Том 134John Michels (Journalist) American Association for the Advancement of Science, 1961 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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... limited to 3 mi- cromicrocuries per liter for radium - 226 , 10 micromicrocuries per liter for stron- tium - 90 , and 1000 micromicrocuries per liter for gross beta activity . The recommended maximum daily intake for Ra22 is 7.3 ...
... limited to 3 mi- cromicrocuries per liter for radium - 226 , 10 micromicrocuries per liter for stron- tium - 90 , and 1000 micromicrocuries per liter for gross beta activity . The recommended maximum daily intake for Ra22 is 7.3 ...
Стр. 481
... Limited -offers a complete Readily available in large quantities in versatile Pellet and Slug Forms . Sealed in a wide range of " Weldcap " stainless steel capsules . COBALT 60 Radiation provides reliability , simplicity , penetrating ...
... Limited -offers a complete Readily available in large quantities in versatile Pellet and Slug Forms . Sealed in a wide range of " Weldcap " stainless steel capsules . COBALT 60 Radiation provides reliability , simplicity , penetrating ...
Стр. 555
... limited the number of countable cells to three . These showed 39 chromo- somes rather than the normal number of 38 reported by various workers ( 7 ) and confirmed by our procedures with blood from normal cats . Better prepara- tions ...
... limited the number of countable cells to three . These showed 39 chromo- somes rather than the normal number of 38 reported by various workers ( 7 ) and confirmed by our procedures with blood from normal cats . Better prepara- tions ...
Содержание
Millipore | 640 |
DETERMINATION | 654 |
may be counted and sized Calculations | 672 |
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