Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Daniel J. Barta"'
Autor:
Daniel J. Barta, Anthony Hanford, Ralph Fritsche, Charlie Quincy, Raymond M. Wheeler, Brian J. Motil, Matthew W. Romeyn, Molly Anderson, Gioia D. Massa
Publikováno v:
AIAA SPACE and Astronautics Forum and Exposition.
Growing plants to provide food or psychological benefits to crewmembers is a common vision for the future of human spaceflight, often represented in media and in serious concept studies. The complexity of controlled environment agriculture, and plant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ffce55898942e640ba6f1b103e1495a
https://doi.org/10.2514/6.2017-5142
https://doi.org/10.2514/6.2017-5142
Autor:
Daniel J. Barta, Theodore W. Tibbitts
Publikováno v:
Journal of the American Society for Horticultural Science. 125:294-298
Tissue concentrations of Ca, Mg, and K were determined across immature leaves of lettuce (Lactuca sativa L. `Buttercrunch') at different stages of enlargement using electron microprobe x-ray analysis. The analysis was with a wavelength dispersive spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3289c0daaf8186b95bdb7a8486451272
https://doi.org/10.21273/jashs.125.3.294
https://doi.org/10.21273/jashs.125.3.294
Publikováno v:
Advances in Space Research. 26:315-318
Physiology of the root system is dependent upon oxygen availability and tissue respiration. During hypoxia nutrient and water acquisition may be inhibited, thus affecting the overall biochemical and physiological status of the plant. For the Astrocul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d99431c1d0e456c9701ca21bb47c8f65
https://doi.org/10.1016/s0273-1177(99)00578-5
https://doi.org/10.1016/s0273-1177(99)00578-5
Publikováno v:
Advances in Space Research. 20:1861-1867
The variable pressure growth chamber (VPGC) was used in a 34-day functional test to grow a wheat crop using reduced pressure (70 kPa) episodes totalling 131 hours. Primary goals of the test were to verify facility and subsystem performance at 70 kPa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fca70561a9845e3542fc6835e450b5c
https://doi.org/10.1016/s0273-1177(97)87952-5
https://doi.org/10.1016/s0273-1177(97)87952-5
Publikováno v:
Scopus-Elsevier
Water recycling is a fundamental component of life support systems due to the substantial contribution of water to the total equivalent system mass. Optimizing the integrated water recycling systems is essential in any efforts to enable long term spa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aca792ae1f1db09b03cc2552778439bf
https://doi.org/10.2514/6.2013-3335
https://doi.org/10.2514/6.2013-3335
Autor:
Michael R. Callahan, Stuart Pensinger, Leticia M. Vega, Andrew Jackson, Daniel J. Barta, Michael Flynn, Julie L. Mitchell, Caitlin Meyer, Michele N. Birmele, Griffin M. Lunn, Niklas Adam, Raymond M. Wheeler, Karen D. Pickering
Publikováno v:
43rd International Conference on Environmental Systems.
The Next Generation Life Support Project is developing an Alternative Water Processor (AWP) as a candidate water recovery system for long duration exploration missions. The AWP consists of biological water processor (BWP) integrated with a forward os
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51c5a0c1644ca9291cc37e325e8d4246
https://doi.org/10.2514/6.2013-3401
https://doi.org/10.2514/6.2013-3401
Autor:
D.L. Henninger, Daniel J. Barta
Publikováno v:
Advances in Space Research. 18:211-221
The Regenerative Life Support Systems (RLSS) Test Bed at NASA's Johnson Space Center is an atmospherically closed, controlled environment facility for human testing of regenerative life support systems using higher plants in conjunction with physicoc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44ea5f88add224481d0a9663d8ef8380
https://doi.org/10.1016/0273-1177(95)00811-r
https://doi.org/10.1016/0273-1177(95)00811-r
Autor:
Jeffrey McQuillan, Daniel J. Barta
Publikováno v:
41st International Conference on Environmental Systems.
Life Support and Habitation Systems (LSHS) is one of 10 Foundational Domains as part of the National Aeronautics and Space Administration s proposed Enabling Technology Development and Demonstration (ETDD) Program. LSHS will develop and mature techno
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0d43e974e246433d270c435bc5f3ccc
https://doi.org/10.2514/6.2011-5095
https://doi.org/10.2514/6.2011-5095
Publikováno v:
40th International Conference on Environmental Systems.
Exploration Life Support (ELS) is a current project under NASA's Exploration Systems Mission Directorate. The ELS Project plans, coordinates and implements the development of advanced life support technologies for human exploration missions in space.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f3f8b357400d565339853410b0d3953
https://doi.org/10.2514/6.2010-6236
https://doi.org/10.2514/6.2010-6236
Autor:
Daniel J. Barta, Michael K. Ewert
Publikováno v:
SAE Technical Paper Series.
With the Preliminary Design Review (PDR) for the Orion Crew Exploration Vehicle planned to be completed in 2009, Exploration Life Support (ELS), a technology development project under the National Aeronautics and Space Administration s (NASA) Explora
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c808b5bb5ba4f65e19906a1fa4699a67
https://doi.org/10.4271/2009-01-2483
https://doi.org/10.4271/2009-01-2483