Contribution à l'étude du comportement du méthane dans un plasma froid

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ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Contribution à l'étude du comportement du méthane dans un plasma froid by : Armando Olivares-Fuentes

Download or read book Contribution à l'étude du comportement du méthane dans un plasma froid written by Armando Olivares-Fuentes and published by . This book was released on 1980 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Contribution à l'étude du comportement de l'éthylène dans un plasma froid

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ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Contribution à l'étude du comportement de l'éthylène dans un plasma froid by : Elahé Hedayati

Download or read book Contribution à l'étude du comportement de l'éthylène dans un plasma froid written by Elahé Hedayati and published by . This book was released on 1985 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

CONTRIBUTION A L'ETUDE DES DEPOTS PAR PLASMA FROID A PARTIR DE METHANE, EFFET DE LA FREQUENCE D'EXCITATION DU PLASMA

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis CONTRIBUTION A L'ETUDE DES DEPOTS PAR PLASMA FROID A PARTIR DE METHANE, EFFET DE LA FREQUENCE D'EXCITATION DU PLASMA by : Ahmed Bennani (docteur en physique)

Download or read book CONTRIBUTION A L'ETUDE DES DEPOTS PAR PLASMA FROID A PARTIR DE METHANE, EFFET DE LA FREQUENCE D'EXCITATION DU PLASMA written by Ahmed Bennani (docteur en physique) and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Contribution a l'etude des depots par plasma froid a partir du methane. Effet de la frequence d'excitation du plasma

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)

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Book Synopsis Contribution a l'etude des depots par plasma froid a partir du methane. Effet de la frequence d'excitation du plasma by : Ahmed Benani

Download or read book Contribution a l'etude des depots par plasma froid a partir du methane. Effet de la frequence d'excitation du plasma written by Ahmed Benani and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contribution à l'étude de l'oxidation du méthane

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (779 download)

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Book Synopsis Contribution à l'étude de l'oxidation du méthane by : Jacques Montastier

Download or read book Contribution à l'étude de l'oxidation du méthane written by Jacques Montastier and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contribution À L'étude Mathématique Des Plasmas Fortement Magnétisés

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ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (8 download)

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Book Synopsis Contribution À L'étude Mathématique Des Plasmas Fortement Magnétisés by : Daniel Han-Kwan

Download or read book Contribution À L'étude Mathématique Des Plasmas Fortement Magnétisés written by Daniel Han-Kwan and published by . This book was released on 2011 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette thèse est consacrée à l’étude mathématique de certains aspects de l’équation de Vlasov-Poisson, qui constitue un modèle cinétique classique en physique des plasmas. Dans un premier temps, nous nous intéressons à la justification rigoureuse d’approxi- mations de l’équation de Vlasov-Poisson avec un champ magnétique extérieur intense, qui sont couramment utilisées, notamment lors des simulations numériques. Le but est de dé- crire certains régimes d’intérêt par des modèles asymptotiques, obtenus en faisant tendre un petit paramètre vers 0 (modélisant la physique du problème considéré) dans les équa- tions originelles. Nous étudions pour commencer la limite quasineutre, c’est-à-dire la limite quand la longueur de Debye tend vers 0, pour l’équation de Vlasov-Poisson avec des élec- trons suivant une loi de Maxwell-Boltzmann. Dans la limite des plasmas froids, à l’aide de la méthode de l’entropie relative et de techniques de filtrage, nous montrons la convergence vers des équations hydrodynamiques compressibles telles que l’équation d’Euler isotherme. Nous nous intéressons ensuite à l’approximation “rayon de Larmor fini” en trois dimen- sions, qui permet de décrire le comportement turbulent d’un plasma soumis à un champ magnétique intense. Pour cette étude, qui peut en fait être interprétée comme une limite quasineutre anisotrope, nous montrons des résultats très différents selon la dynamique dé- crite. En effet, dans le cas de la dynamique avec des électrons sans masse, nous exhibons un effet stabilisant qui permet d’obtenir le même résultat que pour le système bidimen- sionnel, alors que pour la dynamique avec des ions lourds, nous mettons en évidence les conséquences d’instabilités de type multi-fluides. Dans un second temps, nous nous consacrons à l’étude mathématique du confinement d’un plasma de tokamak. Nous commençons par proposer un modèle hydrodynamique simplifié à deux températures et étudions la stabilité au sens de Lyapunov de deux états stationnaires permettant de modéliser l’équilibre du plasma. Nos résultats sont conformes à l’heuristique physique et mettent de surcroit en évidence qu’un fort gradient de température favorise la stabilité : cela pourrait fournir une explication aux modes de haut confinement (H-modes) dans les tokamaks. Pour finir, nous attaquons ce problème du point de vue de la théorie du contrôle et prouvons des résultats pour l’équation de Vlasov-Poisson en présence de champs extérieurs (typiquement un champ magnétique).

ICREEC 2019

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Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis ICREEC 2019 by : Ahmed Belasri

Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Mass Spectrometry of Polymers

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Publisher : CRC Press
ISBN 13 : 1420037757
Total Pages : 601 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Mass Spectrometry of Polymers by : Giorgio Montaudo

Download or read book Mass Spectrometry of Polymers written by Giorgio Montaudo and published by CRC Press. This book was released on 2001-10-29 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Biology and Chemistry of Jerusalem Artichoke

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Publisher : CRC Press
ISBN 13 : 1420044966
Total Pages : 498 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Biology and Chemistry of Jerusalem Artichoke by : Stanley J. Kays

Download or read book Biology and Chemistry of Jerusalem Artichoke written by Stanley J. Kays and published by CRC Press. This book was released on 2007-08-13 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Nuclear Techniques in Animal Production and Health

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ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nuclear Techniques in Animal Production and Health by : International Atomic Energy Agency

Download or read book Nuclear Techniques in Animal Production and Health written by International Atomic Energy Agency and published by . This book was released on 1976 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil-plant animal relations regarding minerals; Trace elements in animal nutrition; Trace elements in animal nutrition; Calcium; Phosphorus and magnesium metabolism; Protein (nitrogen) metabolism - ruminants; Protein (nitrogen) metabolism - non-ruminants; Nuclear techniques in the control of parasitic infections; Animal endocrinology with special emphasis on radioimmunoassays.

Processing of Foods and Biomass Feedstocks by Pulsed Electric Energy

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Publisher : Springer Nature
ISBN 13 : 3030409171
Total Pages : 422 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Processing of Foods and Biomass Feedstocks by Pulsed Electric Energy by : Eugene Vorobiev

Download or read book Processing of Foods and Biomass Feedstocks by Pulsed Electric Energy written by Eugene Vorobiev and published by Springer Nature. This book was released on 2020-04-10 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive range of research on pulsed electric energy used in food processing, including sections on the fundamentals of electroporation and important techniques for the estimation of electroporation effects in various foods and biomass feedstocks. By focusing on application over theory, this book presents researchers with practical steps for processing techniques such as solid-liquid extraction, pressing, osmotic dehydration, drying, freezing and cooking. Special interest is given to the selective recovery and extraction of sugar, inulin, starch, proteins, polysaccharides, polyphenols, pigments, flavor compounds, phytochemicals and other of high-value components from food biomasses such as fruits and vegetables, leaves, herbs, mushrooms, microalgae and suspensions of cells. Processing of Foods and Biomass Feedstocks by Pulsed Electric Energy presents a singular overview of the biorefinery applications of pulsed electric energy for the processing of wastes and non-food biomasses such as root and tuber crops, grape waste, lignocellulosic biomass, oil crops and residues and seeds and peels of exotic and citrus fruits. The book begins by presenting general information on the fundamentals of electroporation and information on the procedures and protocols involved. Further chapters focus on the specific food processing operations involved and biorefinery applications for the processing of wastes and non-food biomasses. All of the relevant and up-to-date information any researcher needs on pulsed electric energy in food processing is presented here in this text.

Sheep and Goat Production

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Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Sheep and Goat Production by : I. E. Coop

Download or read book Sheep and Goat Production written by I. E. Coop and published by Elsevier Science & Technology. This book was released on 1982 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecology and distribution; Breeding; Reproduction; Maintenance and growth; Pregnancy; Lactation of suckling ewes and does; Nutritional diseases; Infectious diseases of sheep and goats; Internal parasites of sheep and goats; External parasites of sheep and goats; Growth and characteristics of wool and hair; Wiik grading and marketing; Livestock and meat marketing and grading; Carcase and meat qualities; Milk production in sheep and goats; Systems, biological and economic efficiencies; Very extensive systems; Extensive grazing systems; Intensive grassland systems; Intensive arable systems; Very intensive systems; Government controlled systems; Migratory (Transhumance) systems; Nomadic systems; Village and smallholder systems; List of contributors.

Plasma Polymer Films

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Publisher : World Scientific
ISBN 13 : 1860944671
Total Pages : 391 pages
Book Rating : 4.8/5 (69 download)

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Book Synopsis Plasma Polymer Films by : Hynek Biederman

Download or read book Plasma Polymer Films written by Hynek Biederman and published by World Scientific. This book was released on 2004 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma Polymer Films examines the current status of the deposition and characterization of fluorocarbon-, hydrocarbon- and silicon-containing plasma polymer films and nanocomposites, with plasma polymer matrix. It introduces plasma polymerization process diagnostics such as optical emission spectroscopy (OES, AOES), and describes special deposition techniques such as atmospheric pressure glow discharge. Important issues for applications such as degradation and stability are treated in detail, and structural characterization, basic electrical and optical properties and biomedical applications are discussed.

Re-Engineering the Chemical Processing Plant

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Publisher : CRC Press
ISBN 13 : 9780203913291
Total Pages : 556 pages
Book Rating : 4.9/5 (132 download)

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Book Synopsis Re-Engineering the Chemical Processing Plant by : Andrzej Stankiewicz

Download or read book Re-Engineering the Chemical Processing Plant written by Andrzej Stankiewicz and published by CRC Press. This book was released on 2018-12-14 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first guide to compile current research and frontline developments in the science of process intensification (PI), Re-Engineering the Chemical Processing Plant illustrates the design, integration, and application of PI principles and structures for the development and optimization of chemical and industrial plants. This volume updates professionals on emerging PI equipment and methodologies to promote technological advances and operational efficacy in chemical, biochemical, and engineering environments and presents clear examples illustrating the implementation and application of specific process-intensifying equipment and methods in various commercial arenas.

An Introduction to Differential Manifolds

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Publisher : Springer
ISBN 13 : 3319207350
Total Pages : 408 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis An Introduction to Differential Manifolds by : Jacques Lafontaine

Download or read book An Introduction to Differential Manifolds written by Jacques Lafontaine and published by Springer. This book was released on 2015-07-29 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

What is the Code of Conduct for Responsible Fisheries?

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Publisher : Food & Agriculture Org.
ISBN 13 : 9789251045411
Total Pages : 20 pages
Book Rating : 4.0/5 (454 download)

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Book Synopsis What is the Code of Conduct for Responsible Fisheries? by : Food and Agriculture Organization of the United Nations

Download or read book What is the Code of Conduct for Responsible Fisheries? written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2001 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The actual Code of conduct is also available (1996) (ISBN 9251038341).

Livestock Policy Analysis

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Publisher : ILRI (aka ILCA and ILRAD)
ISBN 13 : 9789291460038
Total Pages : 268 pages
Book Rating : 4.4/5 (6 download)

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Book Synopsis Livestock Policy Analysis by : International Livestock Research Institute

Download or read book Livestock Policy Analysis written by International Livestock Research Institute and published by ILRI (aka ILCA and ILRAD). This book was released on 1995-01-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.