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  • SPACE RADIATION  (25)
  • Organic Chemistry
  • 1995-1999  (2)
  • 1970-1974  (28)
  • 1
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    Ultraviolet spectrometer experiment (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The ultraviolet spectrometer (UVS) onboard the Apollo 17 orbiting spacecraft was used to measure emissions from the lunar atmosphere. The UVS and calibration are discussed along with the lunar atmosphere observations and lunar albedo measurements.
    Keywords: SPACE RADIATION
    Type: NASA. Johnson Space Center Apollo 17 Prelimin. Sci. Rept.; 10 p
    Format: text
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  • 2
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    Photoelectron excitation of N2 in the day airglow (1970)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Nitrogen photoelectron excitation in dayglow, examining 3371 A band intensity, energy spectrum and flux in ionosphere
    Keywords: SPACE RADIATION
    Type: ; TROPHYSICAL JOURNAL
    Format: text
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  • 3
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    Anisotropies in the interplanetary intensity of solar protons with energies greater than 0.3 MeV. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: By using Explorer 35 interplanetary observations of solar protons with energies greater than 0.3 MeV during ten selected solar events (1967-1970) the tine dependence of intensity and of the angular distribution of intensity has been studied for the first time in the sub-MeV range of energy. The respective contributions of diffusive and convective transport are resolved. Results are qualitatively similar to those of McCracken et al. (1968, 1971) in the energy range from 7.5to 45 MeV; but, as was expected, convective transport is found to be relatively more important at the lower energies. The convective component of the anisotropy vector yields values of the solar wind velocity in good agreement with directly measured values.
    Keywords: SPACE RADIATION
    Type: AD-759099 , Journal of Geophysical Research; 78; Mar. 1
    Format: text
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  • 4
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    Fluorescence of molecular hydrogen excited by solar extreme-ultraviolet radiation (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: During trans-earth coast, the Apollo 17 ultraviolet spectrometer was scheduled to make observations of the far ultraviolet background in selected regions of the sky. In the course of one of these observations, the spacecraft fuel cells were routinely purged of excess hydrogen and water vapor. The ultraviolet fluorescence spectrum of the purged molecular hydrogen excited by solar extreme ultraviolet radiation is interpreted by absorption of solar L-beta and L-gamma radiation in the nearly resonant (6, 0) and (11, 0) Lyman bands. The results are deemed significant for ultraviolet spectroscopic investigations of the atmospheres of the moon and planets since Lyman-band fluorescence provides an unambiguous means of identification of molecular hydrogen in upper atmospheres.
    Keywords: SPACE RADIATION
    Type: Astrophysical Journal; 185; Oct. 15
    Format: text
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  • 5
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    Anisotropies in the interplanetary intensity of solar protons E sub p 0.3 MeV (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: From the data on solar protons with energy 0.3 MeV obtained by Explorer 35 since July 1967, ten events were selected for the study of intensity vs time and of angular distributions of intensity in interplanetary space near the earth. The bases of selection were that the events be of adequate intensity for statistically satisfactory study and that they be attributable to a single solar flare so that their time histories were not complicated by overlapping emissions of particles. The principal findings for these events are presented.
    Keywords: SPACE RADIATION
    Type: NASA-CR-127425 , U-OF-IOWA-72-15
    Format: application/pdf
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  • 6
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    Solar wind and terrestrial atmosphere effects on lunar sample surface composition (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Samples returned from the Apollo missions have been shown to have undergone a partial surface oxidation with the degree of oxidation being dependent on the intensity and duration of exposure to a terrestrial or other oxidizing atmosphere. Exposure to atomic hydrogen at room temperature, or molecular hydrogen above 100 C results in a surface reduction. The adsorption of water vapor on a test sample was found to be only slightly dependent on the state of surface oxidation, a situation consistent with the formation of hydroxyl groups on the surface when a sample is exposed to hydrogen. That hydroxyl groups are indeed formed is substantiated by the release of water vapor (and by release of heavy water following exposure to deuterium), indicating that water vapor can be synthesized from solar wind hydrogen and sample oxygen. Observations of trace amounts of methane indicate that the reduction process is by no means restricted to the formation of water vapor.
    Keywords: SPACE RADIATION
    Type: Lunar Science Conference; Mar 05, 1973 - Mar 08, 1973; Houston, TX
    Format: text
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  • 7
    Electronic Resource
    Electronic Resource
    Synthese von Haschisch-Inhaltsstoffen. 6. Mitteilung5. Mitt. s. [1]. (1973)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 56 (1973), S. 519-524 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The synthesis of a new (-)-Δ8-6a,10a-trans-tetrahydrocannabinol analogue, containing a N-methyl-3-propyl-pyrrolidin-3-yl side-chain, is reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19730560149
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Synthese von Haschisch-Inhaltsstoffen. 5. Mitteilung4. Mitt. s. [1]. (1973)
    New York, NY : Wiley-Blackwell
    Helvetica Chimica Acta 56 (1973), S. 510-518 
    Details
    ISSN: 0018-019X
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A (-)-Δ8-6a,10a-trans-tetrahydrocannabinol analogue, with a methyl-(3-dimethyl-amino-propyl)-amino side-chain instead of the n-pentyl radical in the naturally occurring product, has been synthesized by condensing 5-methylamino-resorcinol tosylate with (+)-trans-p-2,8-menthadien-1-ol.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/hlca.19730560148
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  • 9
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    Structure of coronal neutral sheets (1972)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: A qualitative model for the structure of the neutral sheet lying along the axis of coronal streamers is developed. The internal topology of the sheet is that of extremely thin magnetic tongues greatly distended outward by the solar wind expansion inside the sheet. Due to finite conductivity effects, expansion is taking place across the field lines but is retarded relative to the external flow by the reverse jxB force. The sheet thickness is determined by three considerations: the electrical conductivity that specifies the magnitude of the gradients in field strength, the expansion velocity that stretches the field lines outward decreasing the sheet thickness, and finally, the lateral pressure balance that limits the approach of the oppositely directed external field toward the neutral plane. If sigma is the electrical conductivity, the sheet thickness is shown to be proportional to sigma-1/3. For an electron conductivity evaluated perpendicular to the internal field in the sheet, the thickness is of the order of 100 km in the inner corona and 10,000 km at 1 AU. Microturbulence and instabilities are expected to yield dimensions greater than these theoretical values since these effects tend to reduce the effective conductivity.
    Keywords: SPACE RADIATION
    Type: NASA. Ames Res. Center Solar Wind; p 55-62
    Format: application/pdf
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  • 10
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    Upper limits to the X-ray emission from Beta Persei during radio flares. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: SPACE RADIATION
    Type: Astrophysical Journal; 183; July 15
    Format: text
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