Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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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 336
... season is negligible . The water supply in the last named location is from soil with a diminishing supply except as maintained by seepage from springs . The thickness of the layers of wood formed together with the rainfall ar- ranged ...
... season is negligible . The water supply in the last named location is from soil with a diminishing supply except as maintained by seepage from springs . The thickness of the layers of wood formed together with the rainfall ar- ranged ...
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 ...
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Antarctica By ISAIAH BOWMAN | 17 |
Studies on Weathering and Soil Formation in Tropical High | 45 |
The Changed Conception of the Constitution By JAMES M | 97 |
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