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  • LUNAR AND PLANETARY EXPLORATION  (2,891)
  • ASTROPHYSICS  (2,809)
  • Inorganic Chemistry  (2,258)
Collection
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Years
  • 11
    Electronic Resource
    Electronic Resource
    Über Cäsium- und Rubidium-Chloraurate, sowie -Bromaurate (1892)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 2 (1892), S. 304-310 
    Details
    ISSN: 0863-1778
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.18920020127
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Das Schwingungsspektrum von α-Te2MoO7 und ein Vorschlag zur Struktur der Telluromolybdate zweiwertiger Kationen (1981)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 476 (1981), S. 214-220 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Vibrational Spectrum of α-Te2MoO7 and a Proposal for the Structure of Telluromolybdates of Divalent CationsInfrared and Raman spectra of α-Te2MoO7 have been recorded and discussed in relation to their known crystalline structure. The comparison of these spectra with those of telluromolybdates of the type MIITeMoO6, allows us to propose a structural model for these phases, which is totally consistent with the spectroscopic findings.
    Notes: Die IR- und Raman-Spektren von α-Te2MoO7 wurden aufgenommen und an Hand der bekannten kristallographischen Daten zugeordnet. Durch Vergleich dieser Spektren mit demjenigen einiger Telluromolybdate des Typs MIITeMoO6 kann für diese Phasen ein Strukturvorschlag gegeben werden, der sich durch die spektroskopischen Daten einwandfrei rechtfertigen läßt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19814760525
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  • 13
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    BATSE spectroscopy catalog of bright gamma-ray bursts (1994)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: This paper presents comprehensive results on the spectra of 30 bright gamma ray bursts (GRBs) as observed by the Spectroscopy Detectors (SDs) of the Burst And Transient Source Experiment (BATSE). The data selection was strict in including only spectra that are of high reliability for continuum shape studies. This BATSE Spectroscopy Catalog presents fluences, model fits (for five spectral models for three energy ranges), and photon spectra in a standard manner for each burst. Complete information is provided to describe the data selection and analysis procedures. The catalog results are also presented in electronic format (from the Compton Observatory Science Support Center) and CD-ROM format (AAS CD-ROM series, Vol. 2). These electronic formats also present the count spectra and detector response matrices so as to allow for independent study and fitting by researchers outside the BATSE Team. This BATSE Spectroscopy Catalog complements the catalog from BATSE Large Area Detector (LAD) data by Fishman et al. (1994).
    Keywords: ASTROPHYSICS
    Type: The Astrophysical Journal Supplement Series (ISSN 0067-0049); 92; 1; p. 285-310
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  • 14
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    STARDUST - A simulation experiment of cosmic dust analogues production in microgravity conditions (1993)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: The condensation of solid materials from the vapor phase is important in several scientific fields such as chemical vapor deposition, air pollution and the formation of refractory cosmic dust around stars. Conventional studies of refractory grain formation, using high temperature furnace and shock tube techniques, are restricted to short time scales and suffer from buoyancy induced convection that limit their accuracy. In order to simulate more accurately the condensation of refractory grains near stars and to investigate the advantages of performing condensation studies in microgravity conditions, an experimental investigation was undertaken. This work reports the experimental equipment currently used. The results from the first flight series and particle aggregation modelling efforts are presented briefly.
    Keywords: ASTROPHYSICS
    Type: Microgravity Science and Technology (ISSN 0938-0108); 6; 2; p. 123-130.
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  • 15
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    Comments on the statistical analysis of excess variance in the COBE differential microwave radiometer maps (1994)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: Cosmic anisotrophy produces an excess variance sq sigma(sub sky) in the Delta maps produced by the Differential Microwave Radiometer (DMR) on cosmic background explorer (COBE) that is over and above the instrument noise. After smoothing to an effective resolution of 10 deg, this excess sigma(sub sky)(10 deg), provides an estimate for the amplitude of the primordial density perturbation power spectrum with a cosmic uncertainty of only 12%. We employ detailed Monte Carlo techniques to express the amplitude derived from this statistic in terms of the universal root mean square (rms) quadrupole amplitude, (Q sq/RMS)(exp 0.5). The effects of monopole and dipole subtraction and the non-Gaussian shape of the DMR beam cause the derived (Q sq/RMS)(exp 0.5) to be 5%-10% larger than would be derived using simplified analytic approximations. We also investigate the properties of two other map statistics: the actual quadrupole and the Boughn-Cottingham statistic. Both the sigma(sub sky)(10 deg) statistic and the Boughn-Cottingham statistic are consistent with the (Q sq/RMS)(exp 0.5) = 17 +/- 5 micro K reported by Smoot et al. (1992) and Wright et al. (1992).
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 420; 1; p. 1-8
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  • 16
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    Temperature emission spectrum of exoelectrons of lunar regolith (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Thermostimulated exoelectronic emission of eight fragments of regolith returned by the Soviet Luna 16 automatic station was studied. The nature of the exoemission glove-curves was determined by particle type. Fragments of breccia, sinter, slag, anorthosite, glass plate, and leucocratic gabbro after the first heating disclosed a single exoemission maximum, whose temperature position is in the range 115 to 200 C. The data obtained indicate the complex and inhomogeneous energy structure of some regolith fragments. The presence of surface states capable of forming sorptive bonds can be assumed for most particles. The exoemission of anorthosite, olivine, and the glass spherule is due to the presence of formation defects at their surfaces.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Lunar Soil from the Sea of Fertility (NASA-TT-F-15881); p 528-537
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  • 17
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    Exoelectronic emission of particles of lunar surface material (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: A secondary electron multiplier was used to study the thermostimulated exoelectronic emission of particles of lunar surface material returned by the Soviet Luna 16 automatic station. The natural exoemission from fragments of slag, glass, anorthosite, and a metallic particle was recorded in the isochronic and isothermal thermostimulation regimes. The temperature of emission onset depended on the type of regolith fragment. For the first three particles the isothermal drop in emission is described by first-order kinetic equations. For the anorthosite fragment, exoemission at constant temperature is characterized by a symmetric curve with a maximum. These data indicate the presence of active surface defects, whose nature can be due to the prehistory of the particles.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Lunar Soil from the Sea of Fertility (NASA-TT-F-15881); p 521-527
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  • 18
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    Some results of track method of investigating Luna 16 lunar material (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Preliminary data from an investigation of tracks in olivine crystals, separated from the five zones of a lunar surface material core, are reported. The gradients of track densities, their lengths, and their angular distribution were measured with an optical microscope. Throughout the core depth (35 cm) crystals bearing traces of exposure to low energy solar cosmic rays were found, indicating the occurrence of mixing processes in the surficial layer of lunar surface material. The age of the occurrence of the samples investigated on the lunar surface, calculated from the track density, is in the interval 0.7 to 16 million years.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Lunar Soil from the Sea of Fertility (NASA-TT-F-15881); p 379-387
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  • 19
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    Planetary research at Lowell Observatory (1986)
    In:  CASI
    Details
    Publication Date: 2006-02-14
    Description: Narrowband CCD profiles of C2 and grains in several comets (including P/Halley and P/Giacobini-Zinner) were performed. Rotational light curves were made of Comet P/Arend-Rigaux (visible and infrared) yielding the size, shape, albedo, and rotation period of the nucleus. Production rates were measured as a function of heliocentric distance for OH, CN, and C2 in P/Giacobini-Zinner and for OH, NH, CN, C3, and C2 in P/Halley. Detection and measurement was made of forbidden (O I) lines near 6300 and 5577 A in P/Halley, permitting the production rate of oxygen from CO to be distinguished from that from H2O. Identification of C-12C-13 lines in cometary spectra indicating a possible enrichment of C-13 over the telluric value was made. An assessment of techniques for detecting (determining the existence of) a trans-Neptunian comet belt is included.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: NASA, Washington Reports of Planetary Astronomy, 1985; p 68-70
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  • 20
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    Occultation studies of the solar system (1986)
    In:  CASI
    Details
    Publication Date: 2006-02-14
    Description: Determination of the size, shape, mean density, and albedo of Ceres was made. Predictions for 133 occultations of bright stars occurring in 1986 and 1987 were completed and published, as have predictions of occultations of stars by Comet Halley. Twenty-nine mutual events involving Galilean satellites were observed at Flagstaff in 1985.
    Keywords: ASTROPHYSICS
    Type: NASA, Washington Reports of Planetary Astronomy, 1985; p 108-109
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