NASA Space Biology Program. Eighth Annual Symposium's Program and Abstracts PDF Download
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Languages : en
Pages : 144
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Category : Aeronautics
Languages : en
Pages : 410
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Category : Aeronautics
Languages : en
Pages : 702
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Category : Government publications
Languages : en
Pages : 1252
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Category : Government publications
Languages : en
Pages :
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Category : Aviation medicine
Languages : en
Pages : 766
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A selection of annotated references to unclassified reports and journal articles that were introduced into NASA scientific and technical information system and announced in Scientific and Technical Aerospace Reports (STAR), International Aerospace Abstracts (IAA).
Author: Richard P. Pharis
Publisher: Springer Science & Business Media
ISBN: 3642677347
Category : Science
Languages : en
Pages : 909
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R. P. PHARIS and D. M. REID The idea of a separate Encydopedia volume dealing with the "interrelations of plant hormones with factors in the environment of the plant, and its organs and tissues" originated with N. P. KEFFORD, and we are most appreciative of the help and advice provided by Prof. KEFFORD in the formative stages of this volume. We have thus interpreted "environment" very broadly to indude not only factors external to the plant, e. g. , gravity, light, temperature, wind, mechanieal wounding, water, organism s (induding pollen), and magnetic and electric stimuli, but internaI factors as well (e. g. , nutrients, both inorganic and photoassimilate, direction, and time). In our definition of "hormonaI effect", or "hormonaI involvement", we have asked our authors to take a broad ap proach, and to examine not only phenomena that are mediated by the known plant hormones, but to discuss as well a wide variety of processes and events where hormonal involvement is implied through more indirect analyses and observations. The volume begins with environmental factors internaI to the plant; R. J. WEAVER and J. O. JOHNSON thus examine "hormones and nutrients", their inter relationship in movement, accumulation, and diversion. As one studies a plant during its rapid growth phase, and later as maturation and aging proceed, it becomes apparent that time is an environmental cue of great significance, one which may exert a major influence via hormonal messages.
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Category : Government reports announcements & index
Languages : en
Pages : 1300
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Category : Government reports announcements & index
Languages : en
Pages : 1016
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Category : Aeronautics
Languages : en
Pages : 580
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Author: British Library. Lending Division
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Category : Congresses and conventions
Languages : en
Pages : 456
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