Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Результати 1-3 із 35
Сторінка 53
... season to season in other places , and in still others may be constantly low . ( In general it may be said that the precipitation decreases as we go eastward . ) Accordingly , with respect to the moisture conditions , the following ...
... season to season in other places , and in still others may be constantly low . ( In general it may be said that the precipitation decreases as we go eastward . ) Accordingly , with respect to the moisture conditions , the following ...
Сторінка 61
... season . This water , when drawn upward during the dry season , now contains in solution calcium bicarbonate , besides sodium , potassium , magnesium and iron carbonates . Upon evaporation of the solvent these substances accumulate on ...
... season . This water , when drawn upward during the dry season , now contains in solution calcium bicarbonate , besides sodium , potassium , magnesium and iron carbonates . Upon evaporation of the solvent these substances accumulate on ...
Сторінка 338
... season and the nuts do not begin to enlarge until this is finished . In addition to the disturbance of correlations between the activities of various pairs and groups of organs and in addition to the direct competition for the ...
... season and the nuts do not begin to enlarge until this is finished . In addition to the disturbance of correlations between the activities of various pairs and groups of organs and in addition to the direct competition for the ...
Зміст
Why the 200Inch Teleschope By ELIHU THOMSON | 13 |
Antarctica BY ISAIAH BOWMAN | 19 |
Studies on Weathering and Soil Formation in Tropical High | 45 |
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