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  • star's
  • This causes the equator to bulge outward due to centrifugal effects, and, as a result, there is a variation of temperature across the star's photosphere that reaches a maximum at the poles. (wikipedia.org)
  • Periodic variations in the star's spectrum may be detected, with the wavelength of characteristic spectral lines in the spectrum increasing and decreasing regularly over a period of time. (wikipedia.org)
  • objective
  • Variation in MRI Evaluation of Disk Herniation Observer Variation in MRI Evaluation of Patients Suspected of Lumbar Disk Herniation Jeroen C. van Rijn 1 Nina Klemetsö 2 Johannes B. Reitsma 1 Charles B. L. M. Majoie 2 Frans J. Hulsmans 2 Wilco C. Peul 3 Jan Stam 4 Patrick M. Bossuyt 1 Gerard J. den Heeten 2 Van Rijn JC Klemetso N, Reitsma J, Majoie C, Hulsmans F OBJECTIVE. (docplayer.net)
  • Our objective was to assess observer variation in MRI evaluation in patients suspected of lumbar disk herniation. (docplayer.net)
  • 0.12
  • Analysis of Hipparcos photometry showed clear variation with a maximum range of 0.12 magnitudes and the star was treated as an α Cygni variable. (wikipedia.org)
  • wall motion
  • Receiver operating characteristic (ROC) analysis demonstrated that regional variations of sensitivity exist in the detection of wall motion abnormality in cardiac blood pool imaging studies. (semanticscholar.org)
  • Two observers assessed the wall motion using a six-point score in a 16-segment model and calculated the wall motion score index at rest and at peak stress by using a quad screen display. (biomedsearch.com)
  • large
  • Although a large number of sites were independently assessed by up to six observers, variations of up to four degrees of the Mercalli scale indicated that an accurate figure was practically impossible to gauge. (wikipedia.org)
  • change
  • As such it takes the form of a perceptual prototype category that does not require discrete boundaries in order to function in the eyes (and ears) of lay observers of language variation and change. (wikipedia.org)
  • variable
  • Albert Francis Arthur Lofley Jones OBE (9 August 1920 - 11 September 2013) was a New Zealand amateur astronomer, and a prolific variable star and comet observer, a member of the Variable Star Section and the Comet Section of the Royal Astronomical Society of New Zealand. (wikipedia.org)
  • less
  • In some birds the distance between the back of the skull and the tip of the beak may be more suitable and less prone to variation resulting from the difficulty of interpreting the feathered base of the mandible. (wikipedia.org)
  • example
  • Many, possibly most, stars have at least some variation in luminosity: the energy output of our Sun, for example, varies by about 0.1% over an 11-year solar cycle. (wikipedia.org)
  • materials
  • variations in damage were related to the materials used and construction method of individual buildings, rather than the proximity to the fault break. (wikipedia.org)
  • time
  • We studied the variation of the shape of the proton intensity-time profiles in simulated gradual Solar Energetic Particle (SEP) events with the relative observer's position in space with respect to the main direction of propagation of an interplanetary (IP) shock. (springer.com)