Search Results - "Mouna Derbel"

VUV-UV photoluminescence, site occupancy and thermal stability of blue-emitting K2CaP2O7:Eu2+ UV-LED phosphor by Mbarek, Aïcha, Derbel, Mouna, Chadeyron, Geneviève

“…Blue-emitting phosphors K 2 Ca 1− x P 2 O 7 : x Eu 2+ ( x  = 0.005; 0.010; 0.015) were prepared by a solid-state reaction. The luminescence properties of the…”
Get full text

Empirical Safety Stock Estimation Using GARCH Model, Historical Simulation, and Extreme Value Theory: A Comparative Study by Derbel, Mouna, Aljuaid, Awad M., Hachicha, Wafik

“…Safety stock (SS) is an appropriate tactic to deal with demand and supply uncertainty with the aim of preventing inventory shortages. In the literature,…”
Get full text

Sensitivity Analysis of the Optimal Inventory-Pooling Strategies According to Multivariate Demand Dependence by Derbel, Mouna, Hachicha, Wafik, Aljuaid, Awad M.

“…Inventory-pooling (IP) is an effective tool to mitigate demand uncertainty and variability, to reduce operational costs, and consequently to increase the…”
Get full text

Performance Improvement of a Drag Hydrokinetic Turbine by Mabrouk Mosbahi, Mariem Lajnef, Mouna Derbel, Bouzid Mosbahi, Costanza Aricò, Marco Sinagra, Zied Driss

“…Hydropower is at present in many locations, among all the other possible renewable energy sources, the best one for net cost per unit power. In contrast to…”
Get full text

Novel reddish-orange emitting ultraphosphate CaP4O11:Eu3+ phosphor: Synthesis and photoluminescence properties by Derbel, Mouna, Mbarek, Aïcha, Chadeyron, Geneviève

“…A novel orange-red Ca1-xP4O11:xEu3+ phosphors were synthesized by a simple solid-state reaction method. The optical properties were investigated by analysis of…”
Get full text

Performance improvement of a Savonius water rotor with novel blade shapes by Mosbahi, Mabrouk, Lajnef, Mariem, Derbel, Mouna, Mosbahi, Bouzid, Driss, Zied, Aricò, Costanza, Tucciarelli, Tullio

“…Savonius water rotor is a prominent drag based turbine able to extract energy available in flowing water with low velocity like river streams, tidal currents…”
Get full text

Solid state synthesis and luminescent properties of bright blue-emitting Ba2P2O7:Eu2+ phosphor by Derbel, Mouna, Mbarek, Aïcha

“…Eu 2+ -activated Ba 2 P 2 O 7 pyrophosphates were successfully synthesized by the solid-state reaction under reduced atmosphere and were characterized by X-ray…”
Get full text

Novel bluish white-emitting CdBaP2O7:Eu2+ phosphor for near-UV white-emitting diodes by Derbel, Mouna, Mbarek, Aïcha, Chadeyron, Geneviève, Fourati, Mohieddine, Zambon, Daniel, Mahiou, Rachid

“…A new bluish white-emitting phosphor based on a phosphate host matrix, CdBaP2O7:Eu2+, was prepared by a conventional solid-state reaction method. The…”
Get full text

Photoluminescence properties of CdSrP sub(2)O sub(7):Eu super(2+) blue phosphor for white LED applications by Derbel, Mouna, Mbarek, Aicha, Fourati, Mohieddine

“…Eu super(2+)-activated CdSrP sub(2)O sub(7) phosphor was synthesized by conventional solid-state reaction. The photoluminescence properties of this phosphor…”
Get full text

Photoluminescence properties of CdSrP2O7:Eu2+ blue phosphor for white LED applications by Derbel, Mouna, Mbarek, Aïcha, Fourati, Mohieddine

“…Eu2+-activated CdSrP2O7 phosphor was synthesized by conventional solid-state reaction. The photoluminescence properties of this phosphor were investigated by…”
Get full text

Novel bluish white-emitting CdBaP 2 O 7 :Eu 2+ phosphor for near-UV white-emitting diodes by Derbel, Mouna, Mbarek, Aïcha, Chadeyron, Geneviève, Fourati, Mohieddine, Zambon, Daniel, Mahiou, Rachid

Get full text

A literature survey of bullwhip effect (2010-2013) according to its causes and evaluation methods by Derbel, Mouna, Hachicha, Wafik, Masmoudi, Faouzi

“…An important supply chain research problem is the bullwhip effect (BE). Abundant literature treats the reduction of the BE. In fact, numerous studies have been…”
Get full text

Measuring the impact of (s, S) ordering policy on the bullwhip effect by means of simulation optimization by Derbel, Mouna, Chabchoub, Habib, Hachicha, Wafik, Masmoudi, Faouzi

“…An important supply chain research problem is the bullwhip effect (BE), which its presence makes supply chain planning difficult. In fact, demand fluctuations…”
Get full text