Results 21 to 30 of about 213,260 (209)

Genetic Diseases: Xeroderma pigmentosum. Midnight Sun (2017)

Revista de Medicina y Cine / Journal of Medicine and Movies, 2020
Juan Carlos ROMERO-BENAVIDES, Natalia BAILON-MOSCOSO   +1 more
doaj   +1 more source

Outer zone electrons [PDF]

, 1966
Spatial and temporal behavior of high energy trapped electrons in outer zone of ...
AJ Dessler, B Maehlum, BJ O’Brien, BJ O’Brien, BJ O’Brien, BJ O’Brien, DJ Williams, DJ Williams, DJ Williams, GD Mead, HE Taylor, IB McDiarmid, IB McDiarmid, IB McDiarmid, KA Anderson, LA Frank, NF Ness, NF Ness, NF Ness, NF Ness, T Armstrong, TA Fritz, WI Axford   +22 more
core   +2 more sources

Realistic Earth escape strategies for solar sailing [PDF]

, 2005
With growing interest in solar sailing comes the requirement to provide a basis for future detailed planetary escape mission analysis by drawing together prior work, clarifying and explaining previously anomalies.
Betts J. T., Colin R. McInnes, Coverstone-Carroll V., Eguchi S., Fekete T. A., Fimple W. R., Irving J. H., Kluever C. A., Lawden D. F., Leipold M, Macdonald M., Macdonald M., Malcolm Macdonald, McInnes C. R., McInnes C. R., Morgan T. O., Murphy D., Roy A. E., Sackett L. L., Sackett L. L., Sands N., West J. L.   +21 more
core   +1 more source

Little auks under the midnight sun: diel activity rhythm of a small diving seabird during the Arctic summer

Polar Research, 2020
Many animal species exhibit a diel, 24-hr pattern of activity, which is steered by timing cues, with the daily light–dark cycle considered the most powerful.
Katarzyna Wojczulanis-Jakubas, Piotr Wąż, Dariusz Jakubas   +2 more
doaj   +1 more source

Summer sudden Na number density enhancements measured with the ALOMAR Weber Na Lidar [PDF]

Annales Geophysicae, 2008
We present summer Na-densities and atmospheric temperatures measured 80 to 110 km above the Arctic Lidar Observatory for Middle Atmosphere Research (ALOMAR).
D. Heinrich, H. Nesse, U. Blum, U. Blum, P. Acott, B. Williams, U.-P. Hoppe   +6 more
doaj   +1 more source

Nature and Magic as Representation of “The Sami”—Sami Shamanistic Material in Popular Culture

Religions, 2020
This article examines how magic and nature become representations of both “the Sami” and “Sami shamanism” in animation films Frozen 2 and Klaus, in the television crime series Midnattssol (Midnight Sun) and in three Eurovision Song Contest contributions ...
Anne Kalvig
doaj   +1 more source

Revised time-of-flight calculations for high-latitude geomagnetic pulsations using a realistic magnetospheric magnetic field model [PDF]

, 2005
We present a simple time-of-flight analysis of Alfvén pulsations standing on closed terrestrial magnetic field lines. The technique employed in this study in order to calculate the characteristic period of such oscillations builds upon earlier time-of ...
Waters, C. L., Wild, James A., Yeoman, T. K.   +2 more
core   +1 more source

Timing and Duration of Observation Periods of Foraging Behavior in Natural Grasslands

Frontiers in Veterinary Science, 2020
The goals of this study were to evaluate the length of time grazing which should be monitored over a 24-h period to predict the grazing behavior of beef heifers within a season and determine the patterns of foraging activity over 24 h.
Felipe Jochims, Émerson Mendes Soares, Leandro Bittencourt de Oliveira, Bruno Castro Kuinchtner, Pedro Trindade Casanova, Luciana Marin, Fernando Luiz Ferreira de Quadros   +6 more
doaj   +1 more source

PENENTUAN HARI DALAM SISTEM KALENDER HIJRIAH

Al-Ahkam, 2016
Calendar is an organizing system to calculate the time for a certain period. By convention, the day is the smallest unit of the calendar, while the measurement part of a day using timing systems (hours, minutes, and seconds). Some calendar systems refers
Ahmad Adib Rofiuddin
doaj   +1 more source

Tracking urban human activity from mobile phone calling patterns. [PDF]

PLoS Computational Biology, 2017
Timings of human activities are marked by circadian clocks which in turn are entrained to different environmental signals. In an urban environment the presence of artificial lighting and various social cues tend to disrupt the natural entrainment with ...
Daniel Monsivais, Asim Ghosh, Kunal Bhattacharya, Robin I M Dunbar, Kimmo Kaski   +4 more
doaj   +1 more source