Abdelaziz Zouari

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The results of a retrospective study of 2,108 accidents in 0-14-year-old children are presented, recorded over a 1-year period at the Sfax Medical Centre, Tunisia. The average age of the children was 6 years 4 months. Our results show that 85% of the accidents were domestic (traumatisms 72%; poisoning 11%). The frequency and gravity of poisoning due to(More)
A three-dimensional model that simulates the performance of quasimonocrystalline porous silicon (QMPS) at the backside reflector of an elementary polysilicon solar cell is developed. Analytical expression for the photocurrent generated under the effect of the reflected light is derived in the base region. An improvement effect is obtained on the(More)
We report 3 cases of juvenile myasthenia in 2 girls and 1 boy, who at onset, were respectively 21 months, 13 yr and 4 and a half yr old. Clinical features were common but in 2 cases included acute respiratory failure leading to artificial ventilation. Thymectomy was performed in 1 girl with thymoma who presented a vitiligo 5 yr later.
In non-uniformly and heavily doped emitter region of bipolar transistor, the continuity equation and the minority current equation cannot be exactly solved in closed form. This paper shows that the calculation of minority-carrier current density can be calculated by a simple approach. This approach is based on the average value of the equilibrium hole(More)
BACKGROUND The management of the older constituted a problematic that will be more attractive in the future because of the population's advanced age. AIM To evaluate the management of the older more than 75 years that presented an arrest chest. METHODS Retrospective study during 12 months (from the first January 2004 to 31 December 2004) and interested(More)
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