نتایج جستجو برای: nasa

تعداد نتایج: 11374  

2003
Miguel P. Eckstein Brent R. Beutter

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

2001
Dou Long David Lee Jesse Johnson Peter Kostiuk

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

2000

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

2002
Brian F. Tatting

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

1998
Patrick C. Murphy John B. Davidson

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASA's scientific and technical information. The NASA STI Program Office provides ...

2009
Jules Janssen

J. Lunine (LPL), D. Matson (JPL), K. Reh (JPL), P. Beauchamp (JPL), J.M Charbonnier (CNES, Toulouse), L. Bruzzone (Univ. Trento), M.-T. Capria (IFSI, Rome), A. Coates (MSSL, Univ. College London), C. Hansen (JPL), R. Jaumann (DLR, Berlin), J.P Lebreton (ESA/ESTEC), R. Lopes (JPL), R. Lorenz (APL), I. Mueller-Wodarg (Imp. College, London), F. Raulin (Univ. Paris 12), E. Sittler (NASA/GSFC), J. S...

1999
Alan T. Nettles Michael J. Douglas Eric E. Estes

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASAÕs scientific and technical information. The NASA STI Program Office provides ...

2000
K. K. Ahuja

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASAÕs scientific and technical information. The NASA STI Program Office provides ...

1998
Ben L. Di Vito

Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA Scientific and Technical Information (STI) Program Office plays a key part in helping NASA maintain this important role. The NASA STI Program Office is operated by Langley Research Center, the lead center for NASAÕs scientific and technical information. The NASA STI Program Office provides ...

Journal: :Applied and environmental microbiology 2001
A E Allen M G Booth M E Frischer P G Verity J P Zehr S Zani

A PCR approach was used to construct a database of nasA genes (called narB genes in cyanobacteria) and to detect the genetic potential for heterotrophic bacterial nitrate utilization in marine environments. A nasA-specific PCR primer set that could be used to selectively amplify the nasA gene from heterotrophic bacteria was designed. Using seawater DNA extracts obtained from microbial communiti...

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