+ 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 + Availability Options + Item/Media Type Selected Navigations: Subject > M-O > Man/system Technology And Life Support [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 5350 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order Prev 1 2 3 4 5 6 7 8 9 10 Next >> JPEG 2000 Encoding with Perceptual Distortion Control Author(s): Watson, Andrew B.; Liu, Zhen; Karam, Lina J. Abstract: An alternative approach has been devised for encoding image data in compliance with JPEG 2000, the most recent still-image data-compression standard of the Joint Photographic Experts Group. Heretofore, JPEG 2000 encoding has ... NASA Center: Ames Research Center Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048186; Report Number: ARC-15522-1 Nano-Engineered Catalysts for Direct Methanol Fuel Cells Author(s): Myung, Nosang; Narayanan, Sekharipuram; Wiberg, Dean Abstract: Nano-engineered catalysts, and a method of fabricating them, have been developed in a continuing effort to improve the performances of direct methanol fuel cells as candidate power sources to supplant primary and secondary ... NASA Center: Jet Propulsion Laboratory Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048174; Report Number: NPO-30840 Simplified Modeling of Oxidation of Hydrocarbons Author(s): Bellan, Josette; Harstad, Kenneth Abstract: A method of simplified computational modeling of oxidation of hydrocarbons is undergoing development. This is one of several developments needed to enable accurate computational simulation of turbulent, chemically reacting ... NASA Center: Jet Propulsion Laboratory Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048126; Report Number: NPO-44750 Group-III Nitride Field Emitters Author(s): Bensaoula, Abdelhak; Berishev, Igor Abstract: Field-emission devices (cold cathodes) having low electron affinities can be fabricated through lattice-mismatched epitaxial growth of nitrides of elements from group III of the periodic table. Field emission of electrons ... NASA Center: Marshall Space Flight Center Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048170; Report Number: MFS-32514-1 Magic-T Junction using Microstrip/Slotline Transitions Author(s): U-yen, Kongpop; Wollack, Edward J.; Doiron, Terence Abstract: An improved broadband planar magic-T junction that incorporates microstrip/slotline transitions has been developed. In comparison with a prior broadband magic-T junction incorporating microstrip/slotline transitions, this ... NASA Center: Goddard Space Flight Center Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048145; Report Number: GSC-15470-1 Adjustable-Viewing-Angle Endoscopic Tool for Skull Base and Brain Surgery Author(s): Bae, Youngsam; Liao, Anna; Manohara, Harish; Shahinian, Hrayr Abstract: The term Multi-Angle and Rear Viewing Endoscopic tooL (MARVEL) denotes an auxiliary endoscope, now undergoing development, that a surgeon would use in conjunction with a conventional endoscope to obtain additional ... NASA Center: Jet Propulsion Laboratory Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048205; Report Number: NPO-45579 NASA Tech Briefs, September 2008 Abstract: Topics covered include: Nanotip Carpets as Antireflection Surfaces; Nano-Engineered Catalysts for Direct Methanol Fuel Cells; Capillography of Mats of Nanofibers; Directed Growth of Carbon Nanotubes Across Gaps; ... NASA Center: NASA (non Center Specific) Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048125 Nanotip Carpets as Antireflection Surfaces Author(s): Bae, Youngsam; Mobasser, Sohrab; Manohara, Harish; Lee, Choonsup Abstract: Carpet-like random arrays of metal-coated silicon nanotips have been shown to be effective as antireflection surfaces. Now undergoing development for incorporation into Sun sensors that would provide guidance for robotic ... NASA Center: Jet Propulsion Laboratory Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048175; Report Number: NPO-42592 Light Collimator and Monitor for a Spectroradiometer Author(s): Gore, Warren Abstract: A system that comprises optical and electronic subsystems has been developed as an infrastructure for a spectroradiometer that measures time-dependent spectral radiance of the daylight sky, in a narrow field of view (having ... NASA Center: Ames Research Center Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048144; Report Number: ARC-15714-1 Flow Solver for Incompressible 2-D Drive Cavity Author(s): Kalb, Virginia L. Abstract: This software solves the Navier-Stokes equations for the incompressible driven cavity flow problem. The code uses second-order finite differencing on a staggered grid using the Chorin projection method. The resulting ... NASA Center: Goddard Space Flight Center Publication Year: 2008 Added to NTRS: 2009-01-06 Document ID: 20080048134; Report Number: GSC-15107-1 Prev 1 2 3 4 5 6 7 8 9 10 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