منابع مشابه
Jurassic seasons
Stable isotope compositions of a late Jurassic ammonite shell: a record of seasonal surface water temperatures in the southern hemisphere? C. Lécuyer and H. Bucher Laboratory “Paléoenvironnements & Paléobiosphère”, UMR CNRS 5125 , Bâtiment “Geode”, Université Claude Bernard Lyon I et Institut Universitaire de France, 27–43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne, France Paläontologisc...
متن کاملApplying microCT and 3D visualization to Jurassic silicified conifer seed cones: A virtual advantage over thin-sectioning1
UNLABELLED PREMISE OF THE STUDY As an alternative to conventional thin-sectioning, which destroys fossil material, high-resolution X-ray computed tomography (also called microtomography or microCT) integrated with scientific visualization, three-dimensional (3D) image segmentation, size analysis, and computer animation is explored as a nondestructive method of imaging the internal anatomy of...
متن کاملChoristers of the Jurassic.
T he production of acoustic signals is among the most important behaviors in animal communication, because sending and receiving messages using sound is essential for the survival and success of almost all kinds of animals. However, the reconstruction of the evolutionary history of acoustic performance is a major challenge. Using phylogenetic methods based on data from living animals is the mos...
متن کاملQuality: the Jurassic Park experience.
were as frosty as the day and the mood in the ward was one of misery. My father later moved to another ward where there was no statement about quality but an air of happiness and purposefulness. As I sat by my father's bed the man in the next bed asked for a cup of tea. There was some gentle banter about not being the proper time for tea, and the man ended the exchange by saying that it was, af...
متن کاملIndecomposable Cones
We study some relations between a reproducing cone K in a linear space V over a fully ordered field F and the cone I(K) in Hom( V, V) consisting of all operators A such that AK G K. In particular, indecomposable cones are considered.
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1912
ISSN: 0006-8071
DOI: 10.1086/330857