1–50 von 225 Ergebnissen
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    NASA Helium

    T. M. Elam | NTIS | 2021
    Schlagwörter: Helium

    Plasmasphere from the DE 1 Retarding Ion Mass Spectrometer

    Gallagher D. L. | NTIS | 2015
    Schlagwörter: Helium ions , Helium plasma

    Numerical investigation of performance of vane-type propellant management device by VOF methods

    Liu, J.T. / Zhou, C. / Wu, Y.L. et al. | Tema Archiv | 2015
    Schlagwörter: Helium

    Free-piston driver performance characterisation using experimental shock speeds through helium

    Gildfind, D.E. / James, C.M. / Morgan, R.G. | Tema Archiv | 2015
    Schlagwörter: Helium

    Observed Plasmaspheric Ion Densities and Temperatures

    D. Gallagher / P. Craven / H. Comfort | NTIS | 2014
    Schlagwörter: Helium ions

    Atmospheric Mining in the Outer Solar System:

    Palaszewski, Bryan A. | NTRS | 2014
    Schlagwörter: helium 3

    Novel technologies and configurations of superconducting magnets for MRI

    Lvovsky, Yuri / Stautner, Ernst Wolfgang / Zhang, Tao | Tema Archiv | 2013
    Schlagwörter: Helium

    Thermodynamic Study for Venus Balloon

    Lei, Yan-Peng | Tema Archiv | 2012
    Schlagwörter: Helium

    Experience with helium leak and thermal shocks test of SST-1 cryo components

    Sharma, Rajiv / Nimavat, Hiren / Srikanth, G.L.N. et al. | Tema Archiv | 2012
    Schlagwörter: Helium

    U.S. High Altitude PV Measurement for Primary Calibration Standard Certification

    J. S. McNatt / D. S. Wolford / M. G. Myers | NTIS | 2012
    Schlagwörter: Helium

    Empirical correlations for the solubility of pressurant gases in cryogenic propellants

    Zimmerli, Gregory A. / Asipauskas, Marius / Dresar, Neil T. | Tema Archiv | 2010
    Schlagwörter: Helium

    Simple method to predict balloon shape

    Wen, P.H. / Dorrington, G.E. | Tema Archiv | 2010
    Schlagwörter: Helium

    Two channel multilayer mirrors for astrophysics

    Gautier, J. / Delmotte, F. / Ravet, M.F. et al. | Tema Archiv | 2008
    Schlagwörter: Helium

    A superfluid pulse tube driven by a thermodynamically reversible magnetic pump

    Miller, F.K. / Brisson, J.G. | Tema Archiv | 2008
    Schlagwörter: Helium

    Commercialization of high-temperature nuclear reactors with helium heat carrier for industrial production of hydrogen

    Kostin, V.I. / Kobocigov, N.G. / Vasjaev, A.V. et al. | Tema Archiv | 2007
    Schlagwörter: Helium

    Helium leak detection in the supply chain for Liquefied Natural Gas (LNG)

    Konwitschny, R. / Hammerdinger, M. / Fleckinger, J. et al. | Tema Archiv | 2006
    Schlagwörter: Helium

    Schutzgas- und Laserschweißen

    Aichele, Günter | Tema Archiv | 2006
    Schlagwörter: Helium

    Mechanical property characterization of film-fabric laminate for stratospheric airship envelope

    Kang, Wanggu / Suh, Youngwook / Woo, Kyeongsik et al. | Tema Archiv | 2006
    Schlagwörter: Helium

    Polar regions of the moon as a potential repository of solar-wind-implanted gases

    Starukhina, L.V. | Elsevier | 2005
    Schlagwörter: Helium-3 on the moon

    Spitzer Orbit Determination During In-orbit Checkout Phase

    Menon, Premkumar R. | NTRS | 2004
    Schlagwörter: helium venting

    Anomalous helium ions as the source of energetic helium atoms in the outer heliosphere

    Czechowski, A / Hsieh, K.C / Hilchenbach, M et al. | Elsevier | 2003
    Schlagwörter: Anomalous helium ions , Energetic helium atoms

    Kinetic parameters of interstellar neutral helium: updated results from the ULYSSES/GAS-instrument

    Witte, M / Banaszkiewicz, M / Rosenbauer, H et al. | Elsevier | 2003
    Schlagwörter: Interstellar neutral helium

    Nachweis der Dichtheit gegossener Aluminiumräder

    Anton, W. / Völlmecke, F.J. | Tema Archiv | 2003
    Schlagwörter: Helium-Dichtheitsprüfung

      Nachweis der Dichtheit gegossener Aluminium-Räder

      Anton, W. / Völlmecke, F.J. | Tema Archiv | 2003
      Schlagwörter: Helium , Helium-Lecksuchverfahren

    Integrated cryogenic helium system for extended duration balloon flights

    Murai, K. | Elsevier | 2003
    Schlagwörter: Integrated cyrogenic helium system

    Fibre bragg sensors used to measure gas temperature in an airship

    Bogue, R.W. | Tema Archiv | 2003
    Schlagwörter: Helium

    Avionics GPB Control System Analysis

    NTIS | 2003
    Schlagwörter: Helium

    Arcjet Plasma Neutralization of Hall Thrusters I: Hybrid Thruster Mission Analysis

    W. A. Hargus / J. H. Schilling / Q. E. Walker et al. | NTIS | 2003
    Schlagwörter: Helium arcjet neutralizers

    Helium mass spectrometer leak testing of commercial airliner production fuel tanks

    Mordaunt, K.M. | Tema Archiv | 2002
    Schlagwörter: Helium

    Optical fibre grating gas temperature sensor network in airship

    Latka, I. / Ecke, W. / Höfer, B. et al. | Tema Archiv | 2002
    Schlagwörter: Helium

    Gas supply and treatment options for use in emissions measurement and test

    Rabellino, L. | Tema Archiv | 2002
    Schlagwörter: Helium

    Fortschritte bei der betriebsbegleitenden Lecksuche in Fernwärmenetzen mit gelöstem Tracergas

    Schwerdt, P. / Hölder, D. / Althaus, W. | Tema Archiv | 2001
    Schlagwörter: Helium

    An improved hyperbaric speech transcoder

    Smail, Z. / Ogier, J.M. / Malherbe, J.C. et al. | Tema Archiv | 2001
    Schlagwörter: Helium

    Momentum Flux Measurements from Under Expanded Orifices: Applications for Micropropulsion Systems

    A. D. Ketsdever / A. A. Green / E. P. Muntz | NTIS | 2001
    Schlagwörter: Helium

    Cassini Encounter with Earth: Planetary Magnetic Field Measurements

    Smith, E. / Southwood, D. | NTRS | 2000
    Schlagwörter: orbiter helium magnetometer

    High pressure cryogenic composite tank qualification

    Gudaitis, C.N. | Tema Archiv | 2000
    Schlagwörter: Helium

    Low pressure differential, detector probe type, helium leak testing

    Kruzic, R.W. / Howerton, H.K. / Benson, C.J. | Tema Archiv | 2000
    Schlagwörter: Helium

    Holographic gunsight: the next generation

    Tai, A. / Sieczka, E. / Upatnieks, J. | Tema Archiv | 2000
    Schlagwörter: Helium-Neon-Laser , Helium-Neon-System

    Wire-feed upgrade drives aluminum-welding productivity

    Almy, D. | Tema Archiv | 2000
    Schlagwörter: Helium

    WIG-Schweißen von Aluminium-Raumfahrtstrukturen

    Klett, H. | Tema Archiv | 2000
    Schlagwörter: Helium

    High power Nd: YAG laser welding of aluminium alloys with wire feed

    Naeem, M. / Stolarczyk, J. | Tema Archiv | 2000
    Schlagwörter: Helium

    Gas bubbles in glass melts under microgravity. Part 4. An oxygen diffusion experiment

    Goß, A. / Follner, S. / Walisch, C.M. et al. | Tema Archiv | 2000
    Schlagwörter: Helium

    Say Audi to the new space frame

    Tema Archiv | 2000
    Schlagwörter: Helium

    A shieldless method for cryogenic cold-vapor supply usage: theory and practice

    Getmanters, V.F. / Mikhalchenko, R.S. / Yurchenko, P.N. et al. | Tema Archiv | 1999
    Schlagwörter: Helium , Helium 4

    Propulsion System for a Scientific Micro/Nanospacecraft

    Yankura, G. / Lewis, J. | NTRS | 1999
    Schlagwörter: helium

    Microgravity Scaling Theory Experiment - Experiment Implementation Plan

    Hahn, I. / Weilert, M. | NTRS | 1999
    Schlagwörter: MISTE LTMPF helium-3 critical point

    The Fast Alternative Cryogenic Experiment Testbed

    Holmes, W. / Craig, J. / Abbott, R. et al. | NTRS | 1999
    Schlagwörter: helium