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  • Fura 2  (1)
  • Meteors  (1)
  • Polymer and Materials Science  (1)
  • Saccadic eye movements  (1)
Datenquelle
Materialart
Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    Effect of DFP on loading of fura 2/AM and quin 2/AM into single smooth muscle cells prepared from guinea pig taenia coli
    Amsterdam : Elsevier
    FEBS Letters 220 (1987), S. 89-92 
    Details
    ISSN: 0014-5793
    Schlagwort(e): (Single smooth muscle cell, Guinea pig taenia coli) ; Diisopropyl fluorophosphate ; Fura 2 ; Quin 2
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-5793(87)80881-5
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Direction-selective saccadic-burst neurons in the fastigial oculomotor region of the macaque (1990)
    Springer
    Experimental brain research 81 (1990), S. 659-662 
    Details
    ISSN: 1432-1106
    Schlagwort(e): Fastigial neurons ; Saccadic eye movements ; Saccadic burst units ; Vermal microstimulation ; Macaque
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Discharges of 68 neurons, recorded from the oculomotor region of the fastigial nucleus (FN) of the macaque, were characterized by a burst which started approximately 20 msec prior to the onset of a saccade in a direction contralateral to the recording site. These fastigial neurons also paused before saccades in their nonpreferred direction and then discharged with a subsequent burst. All units were spontaneously active but the tonic level of activity did not reflect eye position. They aggregated within the oculomotor region and the firing of 57 units (83.8%) was suppressed by stimulation of vermal lobule VII. Tonic discharges of six other units were closely related to eye position and located rostral to the burst units. Discharges of 16 units increased during the ipsilateral phase of sinusoidal head rotation and those of 50 units increased during contralateral head rotation. These neurons did not show saccade-related activity. They were widely scattered in the rostral and central portions of the FN. None of these units was inhibited by stimulation of vermal lobule VII.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02423517
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  • 3
    Digitale Medien
    Digitale Medien
    Photographic Observations of the 1996 Leonid Fireballs in Japan (1997)
    Springer
    Earth, moon and planets 77 (1997), S. 47-54 
    Details
    ISSN: 1573-0794
    Schlagwort(e): Meteors ; meteor showers ; individual (Leonids) ; comets ; dust trail
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Abstract Several Leonid fireballs were successfully photographed by the Japanese Fireball Network and by other observers in Japan on 16 November, 1996. A totals of seven of these were simultaneously observed from two or more stations, from which the orbital and physical data were deduced. The radiant of these fireballs were very small, only 0.1°, similar to that of the 1991 Perseids. The 1996 Leonids showed a lower magnitude distribution index similar to those obtained in the 1961 and 1965 Leonids. All of these showers occurred before perihelion passage of the parent comet. We conclude that we have already encountered the elongated front part of the dust trail of the Leonid parent comet, where the trail is probably composed of larger dust particles.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1006118927770
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  • 4
    Digitale Medien
    Digitale Medien
    Curing behavior of epoxy resin having hydroxymethyl group and different molecular weight distribution (1992)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 44 (1992), S. 1543-1546 
    Details
    ISSN: 0021-8995
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Notizen: o-Cresol novolac-type epoxy resins having hydroxymethyl group were synthesized. These epoxy resins were cured with a mixture of 4,4′-diaminodiphenylmethane and m-phenylenediamine (molar ratio, 6:4) as a hardener. Effects of molecular weight distribution of epoxy resins on curing behavior were studied. Curing behavior of epoxy resins with hardener were examined by differential scanning calorimetery (DSC), and cure reaction parameters were obtained. Viscoelastic properties of the cured epoxy resins were studied by dynamic mechanical analyzer. It was found that the lower the average molecular weight of the epoxy resin, that is, the higher the concentration of hydroxymethyl group, the shorter the onset time of exothermal reaction, the higher the rate constant (k), and the lower the activation energy (Ea) were. It was also found that glass transition temperature (Tg) of fully cured epoxy resins was higher than those of fully cured general novolac-type epoxy resins.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/app.1992.070440906
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