Contribution à l'étude du comportement du méthane dans un plasma froid PDF Download
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Author: Armando Olivares-Fuentes
Publisher:
ISBN:
Category :
Languages : fr
Pages : 140
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Book Description
ETUDE BIBLIOGRAPHIQUE. ETUDE THEORIQUE DU COMPORTEMENT D'UNE ESPECE CHIMIQUE DANS UN PLASMA FROID EN TENANT COMPTE DES PROGRES RECENTS EFFECTUES DANS L'ANALYSE DES PHENOMENES ELEMENTAIRES ET EN IMITANT SUR L'ASPECT ENERGETIQUE DE LA TRANSFORMATION INDUITE. ETUDE EXPERIMENTALE DU COMPORTEMENT DU METHANE DANS UN PLASMA FROID
Author: Armando Olivares-Fuentes
Publisher:
ISBN:
Category :
Languages : fr
Pages : 140
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Book Description
ETUDE BIBLIOGRAPHIQUE. ETUDE THEORIQUE DU COMPORTEMENT D'UNE ESPECE CHIMIQUE DANS UN PLASMA FROID EN TENANT COMPTE DES PROGRES RECENTS EFFECTUES DANS L'ANALYSE DES PHENOMENES ELEMENTAIRES ET EN IMITANT SUR L'ASPECT ENERGETIQUE DE LA TRANSFORMATION INDUITE. ETUDE EXPERIMENTALE DU COMPORTEMENT DU METHANE DANS UN PLASMA FROID
Author: Elahé Hedayati
Publisher:
ISBN:
Category :
Languages : fr
Pages : 306
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Book Description
L'ETUDE A POUR BUT LA DETERMINATION DES CARACTERISTIQUES ENERGETIQUES ET DYNAMIQUES DE LA REACTION CHIMIQUE, L'IDENTIFICATION DES PRODUITS ET LA RECONNAISSANCE DES CONDITIONS OPTIMALES DE TRANSFORMATION. LES RESULTATS EXPERIMENTAUX PORTENT SUR LA VARIATION DU TAUX DE TRANSFORMATION EN FONCTION DU CHAMP ELECTRIQUE REDUIT, DE L'ENERGIE DISPONIBLE ET DE LA TENEUR INITIALE EN METHANE
Author: Ahmed Bennani (docteur en physique)
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
LA PRESENTE ETUDE PORTE SUR LE DEPOT DE FILMS MINCES DE CARBONE AMORPHE HYDROGENE PAR PLASMA A PARTIR DE METHANE. NOUS AVONS ANALYSE LE COMPORTEMENT ELECTRIQUE DES DECHARGES ET L'INFLUENCE DES PARAMETRES DE LA DECHARGE (PRESSION, DENSITE DE PUISSANCE ET FREQUENCE) SUR LA CINETIQUE DE CROISSANCE, LA STRUCTURE ET LES PROPRIETES DES FILMS A-C: H. POUR LE DEPOT DES FILMS, DEUX TYPES DE REACTEURS ONT ETE UTILISES: 1) UN REACTEUR PLASMA, BASSE FREQUENCE (20 KHZ) A ELECTRODES COPLANAIRES; 2) UN REACTEUR PLASMA, HAUTE FREQUENCE, RELIE A UN SYSTEME D'EXCITATION DU TYPE: -L.C. RO-BOX FONCTIONNANT DANS LA GAMME DE FREQUENCE 13.56-100 MHZ, -STUB RO-BOX DANS LA GAMME 500-1000 MHZ. LA PREMIERE PARTIE PORTE SUR L'ETUDE DE LA CARACTERISTIQUE ELECTRIQUE DE LA DECHARGE A 20 KHZ, ELLE NOUS A PERMIS DE METTRE EN EVIDENCE DEUX ZONES DE TRAVAIL DONNANT LIEU A DES FILMS DIFFERENTS. NOUS AVONS MONTRE, GRACE AUX ANALYSES DE STRUCTURES: ESCA, EELS, RAMAN ET IR, QUE LES FILMS SONT PRINCIPALEMENT CONSTITUES DE CARBONE AMORPHE AVEC LA PRESENCE D'ILOTS DE CARBONE GRAPHITE, AVEC TOUTEFOIS UNE TENEUR EN GRAPHITE PLUS IMPORTANTE POUR LES FILMS PREPARES A FORTE ENERGIE. NOUS AVONS MONTRE QUE LA REPONSE ELECTRIQUE NON-LINEAIRE DES FILMS EST LIEE A LA QUANTITE DE GRAPHITE PRESENTE DANS LE MATERIAU. L'ETUDE DE LA REPONSE EN ALTERNATIF (PERMITTIVITE COMPLEXE ET PERTES DIELECTRIQUES) A MIS EN EVIDENCE UN PIC DE RELAXATION POUR LES FILMS PREPARES A FORTE ENERGIE, INTERPRETE COMME UNE POLARISATION PAR CHARGES D'ESPACES. LA REPONSE A UN ECHELON DE TENSION, MONTRE QU'EN REGIME PERMANENT ON EST EN PRESENCE DE COURANTS LIMITES PAR CHARGES D'ESPACES. LA DEUXIEME PARTIE PORTE SUR L'ETUDE DE L'INFLUENCE DES PARAMETRES DU PLASMA (P, W, T) SUR LA CINETIQUE DE CROISSANCE. UNE ATTENTION SPECIFIQUE EST PORTEE AU ROLE DE LA FREQUENCE D'EXCITATION DU PLASMA, QUI MONTRE LES TAUX DE CROISSANCE SONT SENSIBLES A CE PARAMETRE
Author: Ahmed Benani
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: Jacques Montastier
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
Author: Ahmed Belasri
Publisher: Springer Nature
ISBN: 9811554447
Category : Technology & Engineering
Languages : en
Pages : 659
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Book Description
This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Author: Giorgio Montaudo
Publisher: CRC Press
ISBN: 1420037757
Category : Science
Languages : en
Pages : 601
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Book Description
Mass Spectrometry (MS) has rapidly become an indispensable tool in polymer analysis, and modern MS today complements in many ways the structural data provided by Nuclear Magnetic Resonance (NMR) and Infrared (IR) methods. Recent advances have sparked a growing interest in this field and established a need for a summary of progress made and results
Author: Jacques Lafontaine
Publisher: Springer
ISBN: 3319207350
Category : Mathematics
Languages : en
Pages : 408
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Book Description
This book is an introduction to differential manifolds. It gives solid preliminaries for more advanced topics: Riemannian manifolds, differential topology, Lie theory. It presupposes little background: the reader is only expected to master basic differential calculus, and a little point-set topology. The book covers the main topics of differential geometry: manifolds, tangent space, vector fields, differential forms, Lie groups, and a few more sophisticated topics such as de Rham cohomology, degree theory and the Gauss-Bonnet theorem for surfaces. Its ambition is to give solid foundations. In particular, the introduction of “abstract” notions such as manifolds or differential forms is motivated via questions and examples from mathematics or theoretical physics. More than 150 exercises, some of them easy and classical, some others more sophisticated, will help the beginner as well as the more expert reader. Solutions are provided for most of them. The book should be of interest to various readers: undergraduate and graduate students for a first contact to differential manifolds, mathematicians from other fields and physicists who wish to acquire some feeling about this beautiful theory. The original French text Introduction aux variétés différentielles has been a best-seller in its category in France for many years. Jacques Lafontaine was successively assistant Professor at Paris Diderot University and Professor at the University of Montpellier, where he is presently emeritus. His main research interests are Riemannian and pseudo-Riemannian geometry, including some aspects of mathematical relativity. Besides his personal research articles, he was involved in several textbooks and research monographs.
Author: Stanley J. Kays
Publisher: CRC Press
ISBN: 1420044966
Category : Science
Languages : en
Pages : 498
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Book Description
A unique plant on many levels, the distinctive properties of the Jerusalem artichoke, or Helianthus tuberosus L., present novel answers to some of today's most pressing problems. The potential of Jerusalem artichoke as a source for inulin, a fructose polymer that may provide dietary health benefits for obesity, diabetes, and several other health is
Author: P. M. Banks
Publisher: Elsevier
ISBN: 1483260666
Category : Science
Languages : en
Pages : 445
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Book Description
Aeronomy, Part A is an attempt to make a comprehensive exposition of the processes in aeronomy, the study of composition, movement, and thermal balance of the upper regions of the planetary atmosphere. The text covers topics such as atmospheric regions and atmospheric density, the temperature and molecular mass of the atmosphere; the permanent constituents and the molecular and isotonic composition of the homosphere; and the transition from the homosphere to the heterosphere. Also covered are topics such as the temperature gradient and energies in the thermosphere, conditions at 200km and above 250km, solar radiation and ionization, and aeronomic reactions. The book is recommended for scientists, especially natural physicists, who would like to know more about the field of aeronomy and its advances.
