Results 121 to 130 of about 8,291 (289)

Les mécanismes des réductions budgétaires et leurs conséquences sur la diffusion de la langue française : Analyse de la situation en 2013 [PDF]

open access: yesSynergies Espagne, 2013
Considérer la diplomatie linguistique sans se référer aux crédits qui l’alimentent peut entraîner des erreurs d’appréciation. On évoque souvent les budgets linguistiques sans vraiment connaître leurs modalités de fonctionnement.
Frédéric Mazières
doaj  

Simulation of a new Pressure Swing Batch Distillation System [PDF]

open access: yes, 2008
The operation and performance of a new pressure swing batch distillation configuration is investigated by rigorous simulation calculations. A maximum boiling point azeotrope is separated in a double column batch rectifier. We study the influence of the
Kopasz, A., Modla, Gábor, Lang, P.
core  

Advances in Sustainable Production of Bio‐Derived 5‐Alkoxymethylfurfural and Levulinate Esters: A Comprehensive Review

open access: yesCarbon Energy, EarlyView.
The present review discusses the advancement in the catalytic synthesis of 5‐alkoxymethylfurfural (AMF) and levulinate esters (LEs) from the aspects of catalytic systems, reaction mechanisms, product isolation, and techno‐economic analysis, supplying valuable insights toward future sustainable and efficient manufacture of AMF and LEs. ABSTRACT The huge
Jun Zhang   +6 more
wiley   +1 more source

The Filament Extension Atomization Process for Powder Production of Elastic Fluids

open access: yesChemie Ingenieur Technik, EarlyView.
Filament extension atomization is a promising technique for spraying a wide range of materials, enabling narrow droplet size distributions. This study examines the behavior of various fluids and suspensions to define application limits and identify optimal operating conditions.
Moritz Neukötter   +4 more
wiley   +1 more source

Impact des prix mondiaux des produits de pêche sur le secteur halieutique Marocain: Application d’un MEGC pour le secteur Halieutique

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires, 2019
Ce travail examine l'impact de la hausse des prix mondiaux des produits de pêche sur la production et la rentabilité des activités halieutiques ainsi que l’état des stocks exploités.
Abdelkabir KAMILI   +1 more
doaj  

Entrainer Effect on Photochirogenesis in Near- and Supercritical Carbon Dioxide: Dramatic Enhancement of Enantioselectivity

open access: yes, 2016
Entrainer Effect on Photochirogenesis in Near- and Supercritical Carbon Dioxide: Dramatic Enhancement of ...
Takehiko Wada (313500)   +7 more
core   +1 more source

A novel bubbling fluid bed reactor for the autothermal pyrolysis of waste plastics

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract A new pilot‐scale fluidized bed reactor operated under continuous conditions was developed and tested for the thermal pyrolysis of high‐density polyethylene (HDPE). The study focused on assessing the reliability and operability of the system under different operating conditions (400–550°C), while monitoring mass and energy balances, product ...
Khadija Olivia Ogoula Igouwe   +4 more
wiley   +1 more source

Etude d’une machine asynchrone à double alimentation en pompage photovoltaïque

open access: yesRevue des Énergies Renouvelables, 2014
L’avancée spectaculaire de l’emploi des énergies renouvelables et les multiples avantages des machines multiphasées sont les catalyseurs de l’utilisation du moteur asynchrone à double étoile pour entraîner une pompe centrifuge.
A. Adjati, A. Azib, T. Rekioua
doaj  

Entrainer Effects on Enantiodifferentiating Photocyclization of 5-Hydroxy-1,1-diphenylpentene in Near-Critical and Supercritical Carbon Dioxide

open access: yes, 2016
Enantiodifferentiating photocyclization of 5-hydroxy-1,1-diphenyl-1-pentene (1) sensitized by bis­(1,2;4,5-di-O-isopropylidene-α-fructopyranosyl) 1,4-naphthalenedicarboxylate (2) was performed in near-critical and supercritical carbon dioxide media ...
Takehiko Wada (313500)   +3 more
core   +1 more source

Occurrence of severe slugging in oil production lines and mitigation methods: A numerical simulation approach using ALFAsim®

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Severe slugging represents a major challenge in offshore production systems, potentially compromising operational stability and the integrity of installations. Although established simulators such as OLGA® are widely used for its analysis, there is a gap in the literature regarding the application of the one‐dimensional simulator ALFAsim® for ...
Wayne Gabriel Nóbrega Firme   +4 more
wiley   +1 more source

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