Search Results - "Geis. J.W"
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1
Biogenic opal in three species of Gramineae
Published in Annals of botany (01-09-1978)“…Particulate biogenic opaline silica is concentrated in cell walls, intercellular deposits and cell lumina of all portions of the above-ground plant body of…”
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Journal Article -
2
Solar-powered unmanned aerial vehicles
Published in IECEC 96. Proceedings of the 31st Intersociety Energy Conversion Engineering Conference (1996)“…An analysis was performed to determine the impact of various power system components and mission requirements on the size of solar-powered high altitude long…”
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Conference Proceeding -
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Tree population dynamics in relation to climate and forest history in the Oswegatchie Plains, northern New York
Published in Vegetatio (01-01-1983)“…This study was conducted to describe the age structure and variation in annual radial growth in populations of Pinus strobus, Larix laricina, and Prunus…”
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Journal Article