Lecture de l'Heure sur Une Horloge Analogique utilisant le système horaire sur 24 heures avec 30 Secondes d'Intervalle (12 Horloges) (A)

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The existence of regular and/or singular equilibria in the PA system depend on two aspects: (a) the existence of stable or unstable sliding motion along the switching surface, and

From the relation t 1/2 (T ) = ln(2)/k  , we deduce, by extrapolation in the 50–100 K temperature range, the carbon dioxide half-time onto interstellar icy grains involved in

To check if this band could corre- spond to a vibration mode of acetonitrile, the smallest nitrile that could be formed in these conditions, the spectrum of solid ace- tonitrile,

In contrast, pub- lished geochemical and Sr-Nd evidence on similar rocks, along with the occurrence of xenocrystic zircons in two of their samples, strongly suggest that the dated

• It has a different Paleoproterozoic tectonic evolution from the neighbouring blocks (Villa Serrana to the SE and Cerro Chato to the West) and represents a suspected terrane. •

P., Peter, Th., et al.: Dehydration potential of ultrathin clouds at the tropical tropopause, Geophy. P., et al.: Ultrathin Tropical Tropopause Clouds

But in the present case, and contrary to our first observations, the effect of these secondary re-circulation eddies is quite strong because of the gap reduction (more