Réflexions sur la lyophilisation des produits biologiques sous conditions tropicales

Réflexions sur la question fréquentielle en traitement du signal

New definitions are suggested for frequencies which may be instantaneous or not. The Heisenberg-Gabor inequality and the Shannon sampling theorem are briefly discussed.

La première révolution biologique: réflexions sur la physiologie et la médecine du XVIIe siècle

of cranial and facial bones, and Berengario's treatise does not discuss the latter. Dr Lind tells us that Berengario is probably a dialectal corruption of his true name, Barrigazi, as entered on his will and testament, although Berengario is spelt "Beregario" throughout the last 80 pages of his translation, presumably a printer's error. Carpi is a small town near Bologna. If treatises on 'Wound...

Gestion des bases de données biologiques sur grilles de calculs

Since the beginning of the eighties, biological databases have considerably grown. A request on the bases which took only a few minutes can now need several days. Meanwhile, the research community in bioinformatics developped itself and specialised laboratories were created all around the world. Collaboration and exchanges between teams that were sometimes geographically very far from each othe...

L’inclinaison Moyenne Des Orbites Des Comètes Sur La Figure De La Terre Et Sur Les Fonctions

One of the most extraordinary phenomena which the system of the world offers to us is the movement of the planets and of their satellites in the same sense and very nearly in the same plane; if we picture to ourselves in fact all these stars describing from west to east some nearly circular orbits and very little inclined to the ecliptic, while the comets seem to be moved indifferently in every...

Sur la préparation et l'utilisation des vaccins associés en Iran