Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Mohamed Ezahri"'
Autor:
Najlaa Hamdi, Souad Chaouch, Ivan da Silva, Mohamed Ezahri, Mohammed Lachkar, Rama Alhasan, Ahmad Yaman Abdin, Claus Jacob, Brahim El Bali
Publikováno v:
Sci, Vol 4, Iss 1, p 5 (2022)
A novel hybrid cobalt phosphite, (H2DAB)[Co(H2PO3)4] 2H2O, was synthesized by using a slow evaporation method in the presence of cobalt nitrate, phosphorous acid, and 1,4-diaminobutane (DAB = 1,4-diaminobutane) as a structure-directing agent. Single-
Externí odkaz:
https://doaj.org/article/ca851e57b18f44bfb904b749be97a34d
Autor:
Lamia Bourja, Bahcine Bakiz, Abdeljalil Benlhachemi, Mohamed Ezahri, Sylvie Villain, Claude Favotto, Jean-Raymond Gavarri
Publikováno v:
Advances in Materials Science and Engineering, Vol 2012 (2012)
The electrical conduction of a series of polycristalline [(1−x)CeO2⋅x/2Bi2O3] samples has been analyzed using electrical impedance spectroscopy, in the temperature range 25 to 750∘C. Samples have been prepared via a coprecipitation route follow
Externí odkaz:
https://doaj.org/article/7b77c7a8deae4326a99d458d62776122
Autor:
Abdelkrim Chahine, A. Taoufyq, Abdelillah Shaim, Mohamed Ezahri, Bahcine Bakiz, Abdeljalil Benlhachemi, Yassine Naciri, Abdelkarim Ouammou, E. Amaterz
Publikováno v:
Mediterranean Journal of Chemistry, Vol 8, Iss 1, Pp 66-73 (2019)
Photocatalytic activity of (50-x/2)Na2O-xTiO2–(50-x/)P2O5 glasses (0 ≤ x ≤ 10 mol%) has been studied with an increase in the TiO2 content using UV-Visible spectrophotometry. Thermal properties were carried out from DTA measurement,
Autor:
Khalid Draoui, Frédéric Guinneton, Lahcen Bouna, Mohamed Ezahri, Abdellah Ait El Fakir, Sylvie Villain, Bahcine Bakiz, Noureddine Elalem, Abdeljalil Benlhachemi
Publikováno v:
Applied Clay Science
Applied Clay Science, Elsevier, 2020, 196, pp.105764. ⟨10.1016/j.clay.2020.105764⟩
Applied Clay Science, 2020, 196, pp.105764. ⟨10.1016/j.clay.2020.105764⟩
Applied Clay Science, Elsevier, 2020, 196, pp.105764. ⟨10.1016/j.clay.2020.105764⟩
Applied Clay Science, 2020, 196, pp.105764. ⟨10.1016/j.clay.2020.105764⟩
The aim of this work was the synthesis of a mesoporous geopolymer material based on Moroccan clay rich in kaolinite. For developing the porosity of the geopolymer material, we have followed three different ways to create mesoporosity in the studied m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36d628be8aad21f35bca5f39a4f745b2
https://hal.archives-ouvertes.fr/hal-02961817
https://hal.archives-ouvertes.fr/hal-02961817
Autor:
Najlaa Hamdi, Souad Chaouch, Ivan da Silva, Mohamed Ezahri, Mohammed Lachkar, Rama Alhasan, Ahmad Yaman Abdin, Claus Jacob, Brahim El Bali
Publikováno v:
Sci
Volume 1
Issue 1
Volume 1
Issue 1
A novel hybrid phosphite [(C4N2H14)Co(H2PO3)4·2H2O] was synthesized with 1,4- diaminobutane (dabn) as a structure-directing agent using slow evaporation method. Single crystal X-ray diffraction analysis showed that it crystallizes in the triclinic s
Publikováno v:
American Journal of Analytical Chemistry. :677-686
This paper presents the results of a comprehensive study of water scale found in water distribution system of Taliouine city in the south of Morocco. Physico-chemical properties of drinking water supplied to the city were evaluated. The data showed a
Autor:
Abdeljalil Benlhachemi, Frédéric Guinneton, Sylvie Villain, Mohamed Ezahri, Bahcine Bakiz, L. Bourja, Jean-Raymond Gavarri
Publikováno v:
ISRN Materials Science. 2012:1-9
Using Fourier transform infrared (FTIR) spectroscopy analyses, we have studied the oxidation processes of methane or carbon monoxide in air-CH4 or air-CO flows interacting with polycrystalline catalytic oxides, as a function of temperature (T) and ti
Autor:
Jean-Raymond Gavarri, L. Bourja, Bahcine Bakiz, Claude Favotto, Sylvie Villain, Abdeljalil Benlhachemi, Mohamed Ezahri
Publikováno v:
Advances in Materials Science and Engineering. 2012:1-11
The electrical conduction of a series of polycristalline [(1−x)CeO2⋅x/2Bi2O3] samples has been analyzed using electrical impedance spectroscopy, in the temperature range 25 to750∘C. Samples have been prepared via a coprecipitation route followe
Autor:
Jean-Raymond Gavarri, L. Bourja, Mohamed Ezahri, Sylvie Villain, Abdeljalil Benlhachemi, Bahcine Bakiz, J.-C. Valmalette, Claude Favotto
Publikováno v:
Powder Technology. :66-71
Hydrated nanostructured cerium dioxide CeO2, xH2O (hydrated nanoceria) has been synthesized in room conditions via a precipitation route. This hydrated nanoceria phase has been subjected to thermal decomposition in the temperature range from 25 °C t
Autor:
Olivier Crosnier, Jean-Raymond Gavarri, Abdeljalil Benlhachemi, L. Bourja, Bahcine Bakiz, Mohamed Ezahri, Sylvie Villain, Claude Favotto
Publikováno v:
Journal of Solid State Chemistry. 184:608-614
Polycrystalline samples of (1−x) CeO2−x/2 Bi2O3 phases, where x is the atom fraction of bismuth have been synthesized by the precipitation process and after the thermal treatment at 600 °C, under air. Samples are first characterized by the X-ray