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  • Other Sources  (2)
  • 2000-2004
  • 1995-1999  (1)
  • 1985-1989  (1)
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  • 1995-1999  (1)
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  • 1
    Publication Date: 2019-07-13
    Description: Latitudinal distributions of upper stratospheric ClO measured by MAS during the three ATLAS missions are presented for northern hemisphere (NH) spring equinox in 1992, southern hemisphere (SH) early fall in 1993, and NH fall in 1994. The MAS ClO results are shown along with correlative MLS observations. The results of both instruments consistently show the same latitudinal features. The ClO maximum in the NH spring occurs at mid latitudes, whereas the latitudinal ClO maximum in both the NH and SH fall occurs at high latitudes. The volume mixing ratio maxima were significantly higher in the fall (0.7-0.8 ppbv) than in spring (0.5-0.6 ppbv). Qualitatively, these results are consistent with calculations of several 2-D models.
    Keywords: Geophysics
    Type: Paper-96GL01215 , ATLAS Series of Shuttle Missions (ISSN 0094-8534); 23; 17; 2321-2324; NASA-TM-112752
    Format: text
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  • 2
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    In:  Other Sources
    Publication Date: 2019-07-12
    Description: Simple reinforcing tube increases service life and improves seal. Short stainless-steel tube inserted in copper tube to reinforce against compression, preventing leaks due to thermal distortion or to collapse under squeeze of ferrule in compressure fitting. Several test specimens of improved connector constructed, tested, and evaluated. Fittings not only operated successfully at required operating conditions of vacuum and temperature but also consistently demonstrated high reliability after loosened and tightened many times.
    Keywords: FABRICATION TECHNOLOGY
    Type: LEW-14720 , NASA Tech Briefs (ISSN 0145-319X); 13; 6; P. 86
    Format: text
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