Fayçal Bennani

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Ceramics Li0.98-xTa1.004-x/5NixO3 (LTN) samples have been prepared, for x∈ { } 0;0.01;0.02;0.05;0.08;0.15;0.2 . Ac impedance measurements were carried out in the frequency range 1Hz-1MHz and from 300°C to 900°C. The influence of Ni doping on dc conductivity was depicted. Through the ac impedance, dielectric constant was deduced and two dielectric(More)
Transformation of Portulaca grandiflora has been developed with Agrobacterium tumefaciens strains A281 and T1272. Transformation was assessed by the following criteria: selection of hormone independent callus, antibiotic-resistant callus, and transgenic antibiotic-resistant plants. In addition, DNA hybridization analysis demonstrated that the DNA from tumor(More)
Lithium tantalate has been the subject of many theoretical and practical investigations due to their properties in electro-optics, electo-acoustics and non-linear optics. This material shows a ferroelectric behaviour well known to deal nonstoichiometric compound. In LiTaO3, the solid solubility range extends from about 46 to 50.4 mol % of Li2O at room(More)
This study investigates the use of smart monitoring systems in preventing malfunctions in several parameters (temperature, pressure and pH) for a bio gas installation aiming to turn paper effluents into a useful bio gas able to power or heat other systems. These bio digesters help conserving the clean aura of our environment in two major ways: reduce waste(More)
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