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  • 1
    Publication Date: 2011-08-17
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research; 84; Apr. 1
    Format: text
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  • 2
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    Unknown
    In:  Other Sources
    Publication Date: 2011-08-16
    Description: Monitor/alarm with audio and visual warning output can be used to warn when prescribed limits of temperature, liquid level, pressure, or similar properties are exceeded. Device is more compact, lighter, and less expensive to manufacture than typical alarm circuits.
    Keywords: ELECTRONIC SYSTEMS
    Type: LEW-12544 , NASA Tech Briefs (ISSN 0145-319X); 1; 3; P. 344
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  • 3
    Publication Date: 2011-08-16
    Description: Observations are reported of an extensive region of low-energy plasma particles (LEP) flowing antisunward along the ordered field lines in the lobes of the geomagnetic tail at lunar distances. The flow was detected by three suprathermal ion detectors deployed on the lunar surface during the Apollo 12, 14, and 15 missions. This particle regime is found to be similar to the 'boundary layer' and 'plasma mantle' observed at smaller geocentric distances and to an interior flow region parallel to the magnetopause in the dayside magnetosphere. It is located exterior to the plasma sheet across essentially the entire tail and adjacent to the magnetopause on both the dawn and dusk sides of the magnetosphere. Variations in the integral flux, temperature, and number density are described. It is suggested that this flow and the three similar regimes are simply connected along the inner surface of the magnetopause and are, in fact, the same phenomenon.
    Keywords: GEOPHYSICS
    Type: Geophysical Research Letters; 2; May 1975
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  • 4
    Publication Date: 2011-08-17
    Description: A mechanism for heavy ion circulation in the magnetosphere is proposed. Singly charged ions heavy ions from the plasmasphere are convected intermittently to the dayside magnetopause, accelerated there, swept into the distant tail lobes and boundary layer, and convected earthward in the plasma sheet to reenter the magnetosphere.
    Keywords: GEOPHYSICS
    Type: Geophysical Research Letters; 4; May 1977
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  • 5
    Publication Date: 2013-08-31
    Description: Major results of the Skylab T025 Coronagraph experiment designed to monitor the particulate contamination about the spacecraft and to study the earth's atmospheric aerosol distribution are presented. A model for comet outbursts based on the properties of amorphous ice and ground based narrow-band and white light photography of comet Kohoutek ten days to perihelion are included. The effect of atmospheric refraction on the analysis of the T025 atmospheric data was also investigated.
    Keywords: ASTROPHYSICS
    Type: NASA-CR-141855
    Format: application/pdf
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  • 6
    Publication Date: 2011-08-17
    Description: Suprathermal Ion Detector Experiments (SIDE) have suggested the presence of a significant secondary peak in the ion distribution function during geomagnetic active periods when the moon is within the lobe plasma. It is observed that: (1) an increase in the primary peak bulk velocity is reflected in an increase in secondary peak bulk velocity, (2) both spectra are narrow in the instrument-look direction (assumed parallel to the flow) and peak temperatures are usually less than about 10 eV, (3) periods for double peak observations comprise about 10% of the total lobe plasma observation time, (4) assuming that peaks are caused by protons, and without correcting for lunar surface potential, primary peak bulk velocity is between about 70 and 160 km/s, and secondary peak bulk velocity is between about 360 and 840 km/s, and (5) assuming equal flow velocities outside the influence of the lunar surface potential are equal for the ions of the two peaks, and making corrections for this potential, secondary peak ions are consistent with N(+) or O(+), and the ratio of O(+) to proton number densities is usually less than about 2 x 10 to the -3rd.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research; 82; Dec. 1
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  • 7
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    In:  Other Sources
    Publication Date: 2011-08-17
    Description: Circuit reduces intermittent fan-flutter openings in airflow switch. Circuit ignores brief switch openings due to contact oscillations; however, if switch is open longer than selected interval, control circuit shuts down system and sounds alarm.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: LEW-12848 , NASA Tech Briefs (ISSN 0145-319X); 2; 2; P. 3
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  • 8
    Publication Date: 2011-08-17
    Description: Recent analysis has confirmed the existence of the lobe plasma, the extension of the 'boundary layer' and 'plasma mantle' to lunar distances. The observation of the lobe plasma is strongly correlated with the y component of the IMF. Generally, the lobe plasma is observed sporadically for a full day after the moon has entered the tail and a full day before the last magnetopause crossing as it exits the tail. An average extent of approximately 8-10 earth radii inward from the magnetopause is inferred; however, the lobe plasma has been seen all across the tail.
    Keywords: GEOPHYSICS
    Type: AD-A065960 , AFGL-TR-79-0051 , Journal of Geophysical Research; 84; Jan. 1
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  • 9
    Publication Date: 2019-07-13
    Description: The reported investigation makes use of data obtained with the aid of the suprathermal ion detector experiment (SIDE) that is being conducted with instruments which were placed on the moon during the Apollo lunar landings. The moon traverses the geomagnetic tail once each month. Observations of a new low-energy plasma regime in the tail are presented. It is pointed out that the new regime lies within the magnetosphere, but outside the plasma sheet. According to the mass analyzer data of SIDE, the observed low-energy fluxes could consist entirely of protons. However, there might be an admixture of ions of greater mass.
    Keywords: GEOPHYSICS
    Type: The scientific satellite programme during the International Magnetospheric Study; June 10-13, 1975; Vienna; Austria
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  • 10
    Publication Date: 2013-07-05
    Description: Article The recent discovery of charge order in YBa 2 Cu 3 O y was unexpected. A systematic study of the evolution of this phenomenon as a function of magnetic field conducted by Wu et al . reveals how the competition between charge order and superconductivity may actually be universal to the underdoped cuprates. Nature Communications doi: 10.1038/ncomms3113 Authors: Tao Wu, Hadrien Mayaffre, Steffen Krämer, Mladen Horvatić, Claude Berthier, Philip L. Kuhns, Arneil P. Reyes, Ruixing Liang, W. N. Hardy, D. A. Bonn, Marc-Henri Julien
    Electronic ISSN: 2041-1723
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General , Physics
    Published by Springer Nature
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