ScienceJohn Michels (Journalist) 1943 |
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Стр. 70
... appear to be essential for penicillin production , but a 4 per cent . concentration of sugar may be of some value ... appears to have the advantage that once growth of the organism is well established , penicillin is produced ...
... appear to be essential for penicillin production , but a 4 per cent . concentration of sugar may be of some value ... appears to have the advantage that once growth of the organism is well established , penicillin is produced ...
Стр. 293
... appear to naturalize readily , for they are abundant in Madeira and also in Bermuda , both island groups lying near 32 ° north . Conditions do not ap- pear to be especially favorable for the ragweeds in Portugal , Spain , Italy or even ...
... appear to naturalize readily , for they are abundant in Madeira and also in Bermuda , both island groups lying near 32 ° north . Conditions do not ap- pear to be especially favorable for the ragweeds in Portugal , Spain , Italy or even ...
Стр. 294
... appear to be sparsely represented . They should not be subjected to ragweed pollens in Oceania between the latitudes 20 ° N. and 20 ° S. This zone includes practically all the large islands of the Pacific area between Japan and ...
... appear to be sparsely represented . They should not be subjected to ragweed pollens in Oceania between the latitudes 20 ° N. and 20 ° S. This zone includes practically all the large islands of the Pacific area between Japan and ...
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4 | 1 |
Timing Device for Speakers N A WEBER 116 | 14 |
GUNDERSON F L WaterSoluble Vitamins 277 | 19 |
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