Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 82American Philosophical Society, 1940 |
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Сторінка 254
... measured on images which are slightly out of focus nearly as well as on those of the best photographic quality . To be specific , with a camera lens set at f : 2.5 at a distance of about 35 inches , we have no difficulty in measuring ...
... measured on images which are slightly out of focus nearly as well as on those of the best photographic quality . To be specific , with a camera lens set at f : 2.5 at a distance of about 35 inches , we have no difficulty in measuring ...
Сторінка 271
... measured with an accuracy better than 1 per cent . In general the error in ẞ is mostly due to that in h . 4. Correction of 8. It is not useful to give an explicit formula for correcting d . Such a formula would be too complicated for ...
... measured with an accuracy better than 1 per cent . In general the error in ẞ is mostly due to that in h . 4. Correction of 8. It is not useful to give an explicit formula for correcting d . Such a formula would be too complicated for ...
Сторінка 399
... measured in seven areas in each of five specimens , the average of fifty measurements being taken where possible . In the corpus striatum only one or , at most , two loops usually penetrated through its substance , a few others ending ...
... measured in seven areas in each of five specimens , the average of fifty measurements being taken where possible . In the corpus striatum only one or , at most , two loops usually penetrated through its substance , a few others ending ...
Зміст
Vascularity in the Brains of Tailed Amphibians II Necturus | 395 |
Studies on Destruction of Red Blood Cells THOMAS HALE | 411 |
Conjugation in Opisthonecta henneguyi a Free Swimming | 437 |
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