Výsledky vyhledávání - "Ahmad Kassas"

Akademický článek

Flash combustion synthesis using two different fuels and characterization of LiF-doped TiO2 for the photocatalytic applications

Autor: Israa Zahwa, Mohamed Mouyane, Ahmad Kassas, Alexis Ngueteu Kamlo, Cherif Moslah, Javier Navas, Stefano Livraghi, Jérôme Bernard, Jaafar El Falah, Joumana Toufaily, Tayssir Hamieh, David Houivet

Publikováno v: Open Ceramics, Vol 17, Iss , Pp 100562- (2024)

The flash combustion method was used to prepare LiF-doped TiO2 photocatalysts materials using glycine or urea as a fuel with different weight percentage of LiF. The synthesized powders have been characterized by thermogravimetric analysis (TG), scann

Externí odkaz: https://doaj.org/article/3cd041e634544091808a32c1bfb50601

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Akademický článek

Blood Count-Derived Inflammatory Markers Correlate with Lengthier Hospital Stay and Are Predictors of Pneumothorax Risk in Thoracic Trauma Patients

Autor: Vlad Vunvulea, Răzvan Marian Melinte, Klara Brinzaniuc, Bogdan Andrei Suciu, Adrian Dumitru Ivănescu, Ioana Hălmaciu, Zsuzsanna Incze-Bartha, Ylenia Pastorello, Cristian Trâmbițaș, Lucian Mărginean, Réka Kaller, Ahmad Kassas, Timur Hogea

Publikováno v: Diagnostics, Vol 13, Iss 5, p 954 (2023)

(1) Background: Trauma is one of the leading causes of death worldwide, with the chest being the third most frequent body part injured after abdominal and head trauma. Identifying and predicting injuries related to the trauma mechanism is the initial

Externí odkaz: https://doaj.org/article/ce89bc31c6284f4ea4b6c9cd48a42623

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High Quality Bio-Oil Obtained from Catalyzed Pyrolysis of Olive Mill Solid Wastes in a Bi-Functional Reactor

Autor: Tayssir Hamieh, Joumana Toufaily, Soumaya Hamieh, Rana Haidar, T. Jean Daou, Nabil Tabaja, Ahmad Kassas, Maria-Laura Foddis

Publikováno v: Materials Sciences and Applications. 12:52-77

Olive Mill Solid Wastes (OMSW) released in nature without any treatment is a major environmental problem in the Mediterranean region. In this work, the catalyzed pyrolysis of OMSW has been investigated. A catalyst based on SBA-15 mesoporous silica do

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e33ada9884f68b10492a83edc010a36
https://doi.org/10.4236/msa.2021.121004

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Synthesis by ATRP of Polystyrene-b-Poly(4-vinylpyridine) and Characterization by Inverse Gas Chromatography

Autor: Tayssir Hamieh, Karine Mougin, Joumana Toufaily, Aissam Airoudj, Mariam Akil, Mohammad Rajab, Houssein Mortada, Wassim Rammal, Kamal Hariri, Ahmad Kassas

Publikováno v: Journal of Research Updates in Polymer Science. 6:76-89

A linear diblock copolymer [Polystyrene-b-Poly(4-vinyl-pyridine)] (PS-b-P4VP) was successfully prepared through Atom Transfer Radical Polymerization (ATRP). This synthesis is performed in two successive steps: using the (1-bromoethyl) benzene as init

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fde985b7ff0ce578a5b0901be43e114
https://doi.org/10.6000/1929-5995.2017.06.03.2

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Humidity Sensitive Characteristics of Porous Li-Mg-Ti-O-F Ceramic Materials

Autor: Jér^ome Bernard, H. Lakiss, Tayssir Hamieh, Ahmad Kassas, David Houivet, Céline Lelièvre

Publikováno v: American Journal of Analytical Chemistry. :83-89

Ceramic porous MgTiO3 materials have been prepared by classical solid-state route. The sintered pellets of MgTiO3 with different LiF contents were characterized for humidity-sensing application. The sintered disks of these mixtures were subjected to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea8efd1133fff1266973c1ca74ba43f6
https://doi.org/10.4236/ajac.2013.42011

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Bulk magnetic terahertz metamaterials based on dielectric microspheres

Autor: Michal Sindler, Patrick Mounaix, Hynec Němec, Christelle Kadlec, Catherine Elissalde, Dominique Bernard, F. Dominec, Julien Lesseur, Ahmad Kassas, Petr Kužel

Publikováno v: Optics Express
Optics Express, Optical Society of America-OSA Publishing, 2016, 24 (16), pp.18340-18345. ⟨10.1364/OE.24.018340⟩

International audience; Rigid metamaterials were prepared by embedding TiO2 microspheres into polyethylene. These structures exhibit a series of Mie resonances where the lowest-frequency one is associated with a strong dispersion in the effective mag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4db3a424abd361a98c51f967e0df3585
https://pubmed.ncbi.nlm.nih.gov/27505797

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Electric Current as a Driving Force for Interphase Growth in Spark Plasma Sintered Dielectric Composites

Autor: U-Chan Chung, Dominique Bernard, Marjorie Albino, Julien Lesseur, Mario Maglione, Ahmad Kassas, Catherine Elissalde

Publikováno v: Journal of the American Ceramic Society
Journal of the American Ceramic Society, Wiley, 2016, 99 (2), pp.406-409. ⟨10.1111/jace.14052⟩

International audience; All-oxide composites are increasingly investigated in the field of microelectronics and telecommunications because of their multifunctionalities. Advanced control of interfaces is required to fully tune the macroscopic propert

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2139b63e90f8e2fd1ecc563a125531c
https://hal.archives-ouvertes.fr/hal-01278740/document

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Ultrafine Grinding of Oxide Powders with a Controlled Viscosity of Slurries

Autor: David Houivet, Brahim Itaalit, Jérôme Bernard, Ahmad Kassas, Jean-Marie Haussonne, Regis Quercioli, Alexis Ngueteu Kamlo

Publikováno v: Advanced Engineering Materials
Advanced Engineering Materials, Wiley-VCH Verlag, 2011, 13 (7), pp.609-615. ⟨10.1002/adem.201000356⟩

International audience; This study shows the importance of controlling the rheological behavior of slurries during attrition milling in aqueous media. Indeed, during grinding, the creation of new surfaces that react with the aqueous dispersing medium

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::818410381c4b3b43e1832f21dbc383cd
https://doi.org/10.1002/adem.201000356

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Ceramic thick film humidity sensor based on MgTiO3+LiF

Autor: Ahmad Kassas, Yannick Guhel, Bertrand Boudart, Céline Lelièvre, Anthony Besq, David Houivet, H. Lakiss, Jérôme Bernard, Tayssir Hamieh

Publikováno v: Materials Research Bulletin
Materials Research Bulletin, Elsevier, 2013, 48 (10), pp.3987-3993. 〈10.1016/j.materresbull.2013.06.010〉
Materials Research Bulletin, Elsevier, 2013, 48 (10), pp.3987-3993. ⟨10.1016/j.materresbull.2013.06.010⟩
Materials Research Bulletin, Elsevier, 2013

The feasibility of humidity sensor, consisting of a thick layer of MgTiO 3 /LiF materials on alumina substrate, was studied. The thermal analysis TGA-DTGA and dilatometric analysis worked out to confirm the sintering temperature. An experimental plan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12164ac5562fa2cd0cb20a9056b767a7
https://hal.archives-ouvertes.fr/hal-01647689

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Ultrafine Grinding of MgTiO3 Based Ceramic Influencing the Material Properties

Autor: Ahmad Kassas, David Houivet, Kawtharani F, Quercioli R, Mohamad Reda, Jérôme Bernard, Aoun R, Joumana Toufaily, Tayssir Hamieh, H. Lakiss

Publikováno v: Journal of Physical Chemistry & Biophysics.

The effect of grinding MgTiO3 on the particle size and electrical properties was studied. Initially, good dispersion conditions were optimized via rheological characterizations of the aqueous slurry in variant dispersant amounts. Then, 50% MgTiO3 slu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2fd792ac069006c880f352440cfe656
https://doi.org/10.4172/2161-0398.1000122

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