+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center + Publication Year + Subject + Availability Options + Item/Media Type Selected Navigations: Author > Brown, A. H. [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 41 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order Prev 1 2 3 4 5 Next  The first plants to fly on Shuttle Author(s): Brown, A. H.; Chapman, D. K. Abstract: The methods and results are presented concerning experiments using the first plants to make a journey for scientific purposes in earth orbit on board Space Shuttles 2 and 3. These experiments were conducted in order to ... NASA Center: NASA (non Center Specific) Publication Year: 1982 Added to NTRS: 2004-11-03 Accession Number: 83A27778; Document ID: 19830046560 Residual nutational activity of the sunflower hypocotyl in simulated weightlessness Author(s): Chapman, D. K.; Brown, A. H. Abstract: The gravity dependence of circumnutational activity in the sunflower hypocotyl is investigated under conditions of simulated weightlessness. Seedling cultures of the sunflower Helianthus annuus were placed four days after ... NASA Center: NASA (non Center Specific) Publication Year: 1979 Added to NTRS: 2004-11-03 Accession Number: 80A21984; Document ID: 19800037814 Effects of increased G-force on the nutations of sunflower seedlings Author(s): Brown, A. H.; Chapman, D. K.; Dahl, A. O. Abstract: A centrifuge was used to provide chronic acceleration in order to study the nutation of six-day old sunflower hypocotyls at 1 to 20 times normal gravity (g). At the upper end of the g-range nutational movement was impeded ... NASA Center: NASA (non Center Specific) Publication Year: 1975 Added to NTRS: 2004-11-03 Accession Number: 75N18874; Document ID: 19750010802; Report Number: NASA-CR-142184, NUTFOG-1 Nutations of sunflower seedlings on tilted clinostats Author(s): Brown, A. H.; Chapman, D. K. Abstract: The kinetics of hypocotyl nutations in Helianthus annuus L. were measured on plants which were rotated on clinostats with axes of rotation inclined at various angles, alpha, away from the vertical. The g-force component ... NASA Center: NASA (non Center Specific) Publication Year: 1977 Added to NTRS: 2004-11-03 Accession Number: 78A15209; Document ID: 19780031300 Limitation on the use of the horizontal clinostat as a gravity compensator Author(s): Brown, A. H.; Dahl, A. O.; Chapman, D. K. Abstract: If the horizontal clinostat effectively compensates for the influence of the gravity vector on the rotating plant, it should make the plant unresponsive to whatever chronic acceleration may be applied transverse to the axis ... NASA Center: NASA (non Center Specific) Publication Year: 1976 Added to NTRS: 2004-11-03 Accession Number: 77A16663; Document ID: 19770033811 Research on gravitational physiology Author(s): Brown, A. H.; Dahl, A. O. Abstract: No Abstract Available NASA Center: NASA (non Center Specific) Publication Year: 1975 Added to NTRS: 2004-11-03 Accession Number: 75N72893; Document ID: 19750066645; Report Number: NASA-CR-142326 Circumnutation observed without a significant gravitational force in spaceflight Author(s): Brown, A. H.; Chapman, D. K. Abstract: For over half a century and especially since the 1960's a number of plant physiologists, seeking to explain the impressively ubiquitous mechanism that drives and regulates circumnutation in all growing plant organs, have ... NASA Center: NASA (non Center Specific) Publication Year: 1984 Added to NTRS: 2004-11-03 Accession Number: 84A40310; Document ID: 19840057523 Research on gravitational physiology Author(s): Brown, A. H. Abstract: No Abstract Available NASA Center: NASA (non Center Specific) Publication Year: 1975 Added to NTRS: 2004-11-03 Accession Number: 75N76341; Document ID: 19750070093; Report Number: NASA-CR-143529 Serendipitous solution to the problem of culturing Arabidopsis plants in sealed containers for spaceflights of long duration Author(s): Brown, A. H.; Odowd, P.; Loercher, L.; Kuniewicz, R.; Dahl, A. O. Abstract: The Arabidopsis thaliana plant species is tested to determine how a higher plant will develop from seed to maturity when deprived of all gravitational information that it might use to control its growth. Experimental results ... NASA Center: NASA (non Center Specific) Publication Year: 1979 Added to NTRS: 2004-11-03 Accession Number: 79A41704; Document ID: 19790057691 Importance of gravity for plant growth and behavior Author(s): Brown, A. H. Abstract: Flight experiments on the importance of gravity to plant growth and behavior are reported. The following studies were undertaken: (1) hyperastic responses to incremental changes of an axially imposed centripetal force; (2) ... NASA Center: NASA (non Center Specific) Publication Year: 1985 Added to NTRS: 2004-11-03 Accession Number: 85N26070; Document ID: 19850017759 Prev 1 2 3 4 5 Next  + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007