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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Стр. 56
... percent CO and 21 percent O2 . Before the chamber was opened on the last day , it contained 0.13 percent CO2 and 63 percent O2 . Oxygen had slowly accumulated to 21.5 percent after 1 day , 23.5 percent after 3 days , 26 percent after 8 days ...
... percent CO and 21 percent O2 . Before the chamber was opened on the last day , it contained 0.13 percent CO2 and 63 percent O2 . Oxygen had slowly accumulated to 21.5 percent after 1 day , 23.5 percent after 3 days , 26 percent after 8 days ...
Стр. 128
... percent occurred during darkness . The question arises , How does the number of swimmers and bathers after dark compare with the number during daylight hours ? Although we have no data on that point , we believe that the number of ...
... percent occurred during darkness . The question arises , How does the number of swimmers and bathers after dark compare with the number during daylight hours ? Although we have no data on that point , we believe that the number of ...
Стр. 665
... percent , 5.5 percent , 3.5 percent , 2.0 percent , 0.6 percent , and 0 percent for 28 and 35 days . The lowest oxygen tension which still allowed development of the host and the nematode was 3.5 percent . Below this level the plant ...
... percent , 5.5 percent , 3.5 percent , 2.0 percent , 0.6 percent , and 0 percent for 28 and 35 days . The lowest oxygen tension which still allowed development of the host and the nematode was 3.5 percent . Below this level the plant ...
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Millipore | 640 |
DETERMINATION | 654 |
Particles containing lead in both soluble | 672 |
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