منابع مشابه
Palm breach
form ended with the last ice age in Europe, it persisted until very recently in Australia, although examples of twentieth century work are rare and may have been influenced by outsiders. Incredibly, this latest find comprises a continuous historical record from 15,000 years ago to 50 years ago. Thus it is that, alongside ancient depictions of classic rock art images such as human hand outlines,...
متن کاملHolographic stripes.
We construct inhomogeneous asymptotically anti-de Sitter black hole solutions corresponding to the spontaneous breaking of translational invariance and the formation of striped order in the boundary field theory. We find that the system undergoes a second-order phase transition in both the fixed density and fixed chemical potential ensembles, for sufficiently large values of the axion coupling....
متن کاملMaking stripes
omites, the precursors of vertebrae, striated muscle, and dermis, are laid down in a timed sequence from anterior to posterior. Now, Alexander Aulehla, Bernhard Herrmann (Max-PlanckInstitut für Immunbiologie, Freiburg, Germany), and colleagues report that a gradient and two dueling molecular clocks, all driven directly or indirectly by Wnt3a, combine to create the striped pattern of somites. Th...
متن کاملTiger stripes.
On occasion a high amplitude band-like signal is noted on Doppler spectral recordings of valvular regurgitation (Fig. 1). However, clinically these “tiger stripes” are most often noted with porcine mitral prosthetic valves (Fig. 2), and may be indicative of an acute flail prosthetic leaflet.1–5 These band-like signals appear to be associated with an intracardiac oscillating structure,6 with the...
متن کاملV1 interpatch projections to v2 thick stripes and pale stripes.
Cytochrome oxidase (CO) reveals two compartments in V1 (patches and interpatches) and three compartments in V2 (thin, pale, and thick stripes). Previously, it was shown that thin stripes receive input predominantly from patches. Here we examined the projections to thick and pale stripes in macaques, revealed by retrograde tracer injections. After thick stripe injection, cells were distributed i...
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ژورنال
عنوان ژورنال: Materials Today
سال: 2008
ISSN: 1369-7021
DOI: 10.1016/s1369-7021(08)70140-8