منابع مشابه
Rehabilitation of Old Naga-hammady Barrage Bridge
When the Old Naga Hammady Barrage has been constructed in 1930, it had a navigation lock on the western side of the barrage. In 1993, a new navigation lock has been constructed in the western side of the old lock. Each lock has a movable bridge to allow the high ships to pass from north to south and vice versa. The bridge of the new navigation lock is suffering from technical problems pampering...
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Full integration of energy conversion devices for compact power supply circuits is still encountering strong technological locks, especially to integrate passive inductive and capacitive components. The increasing working frequency of those devices, which already reaches 1 Megahertz, would enable the size reduction of passive components and then their integration. Nevertheless, losses, which hi...
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Il s’agit d’un enfant de 4 ans, sans ATCD pathologique particulier, qui présente depuis 2 mois une tuméfaction inflammatoire, douloureuse, rapidement progressive de l’œil gauche. A l’examen, l’AV était à 2/10 et on retrouve une exophtalmie, axile, inflammatoire, irréductible et non pulsatile de cet œil. Une TDM orbito-cérebrale réalisée chez ce patient montre un processus orbitaire intra et ext...
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We recently described a new form of neural integration and firing in a subset of interneurons, in which evoking hundreds of action potentials over tens of seconds to minutes produces a sudden barrage of action potentials lasting about a minute beyond the inciting stimulation. During this persistent firing, action potentials are generated in the distal axon and propagate retrogradely to the soma...
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ژورنال
عنوان ژورنال: La Houille Blanche
سال: 1919
ISSN: 0018-6368,1958-5551
DOI: 10.1051/lhb/1919003