ETUDE STRUCTURALE DES MICROEMULSIONS PAR EFFET KERR ET RESONANCE MAGNETIQUE NUCLEAIRE PDF Download
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Author: PAUL-HENRI.. GUERING
Publisher:
ISBN:
Category :
Languages : fr
Pages : 171
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Book Description
SUIVANT LES TENEURS EN PHASE DISPERSEE, LES SYSTEMES SONT ETUDIES SOIT PAR DIFFUSION DE LUMIERE, SOIT PAR DES MESURES DE CONDUCTIVITE ELECTRIQUE. LES MESURES D'EFFET KERR (STATIQUE ET DYNAMIQUE) PERMETTENT D'ANALYSER LE PROCESSUS D'AGREGATION TRANSITOIRE DES GOUTTELETTES, A UNE ECHELLE MICROSCOPIQUE. ET ENFIN, A UNE ECHELLE MOLECULAIRE EN R.M.N., LES MESURES DES COEFFICIENTS D'AUTODIFFUSION, TESTENT LES ECHANGES DE CONSTITUANTS LORS DE CHOCS ENTRE GOUTTELETTES. D'AUTRE PART, L'ETUDE D'UN SYSTEME OU L'ON PASSE D'UNE MICROEMULSION EAU DANS L'HUILE A HUILE DANS EAU, MONTRE QUE DANS LA SITUATION INTERMEDIAIRE LA STRUCTURE EST BICONTINUE
Author: PAUL-HENRI.. GUERING
Publisher:
ISBN:
Category :
Languages : fr
Pages : 171
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Book Description
SUIVANT LES TENEURS EN PHASE DISPERSEE, LES SYSTEMES SONT ETUDIES SOIT PAR DIFFUSION DE LUMIERE, SOIT PAR DES MESURES DE CONDUCTIVITE ELECTRIQUE. LES MESURES D'EFFET KERR (STATIQUE ET DYNAMIQUE) PERMETTENT D'ANALYSER LE PROCESSUS D'AGREGATION TRANSITOIRE DES GOUTTELETTES, A UNE ECHELLE MICROSCOPIQUE. ET ENFIN, A UNE ECHELLE MOLECULAIRE EN R.M.N., LES MESURES DES COEFFICIENTS D'AUTODIFFUSION, TESTENT LES ECHANGES DE CONSTITUANTS LORS DE CHOCS ENTRE GOUTTELETTES. D'AUTRE PART, L'ETUDE D'UN SYSTEME OU L'ON PASSE D'UNE MICROEMULSION EAU DANS L'HUILE A HUILE DANS EAU, MONTRE QUE DANS LA SITUATION INTERMEDIAIRE LA STRUCTURE EST BICONTINUE
Author: Min Xie
Publisher:
ISBN:
Category : Emulsions
Languages : en
Pages : 98
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Book Description
Author: Jean-François Bodet
Publisher:
ISBN:
Category :
Languages : fr
Pages : 192
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Book Description
LA STRUCTURE DES MICROEMULSIONS EAU/DODECANE/DODECYLSULFATE DE SODIUM/HEXANOL EST ETUDIEE A L'AIDE DE TECHNIQUES DE RESONANCE MAGNETIQUE NUCLEAIRE A GRADIENT DE CHAMP PULSE, DE DIFFUSION DE LUMIERE, DE MICROSCOPIE ELECTRONIQUE ET DE CHROMATOGRAPHIE. UN EFFET CONSIDERABLE DE LA TEMPERATURE SUR LA COURBURE DU FILM DE TENSIOACTIF NON IONIQUE EST MIS EN EVIDENCE
Author: Monzer Fanun
Publisher: CRC Press
ISBN: 9781420089592
Category : Science
Languages : en
Pages : 0
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Book Description
The effective use of microemulsions has increased dramatically during the past few decades as major industrial applications have expanded in a variety of fields. Microemulsions: Properties and Applications provides a complete and systematic assessment of all topics affecting microemulsion performance and discusses the fundamental characteristics, theories, and applications of these dispersions. Thoroughly encompassing the significant developments of the past ten years, this book describes a wide range of topics, including interactions at microemulsion interfaces, new types of surfactants, and the fundamentals of nanotechnology. It outlines experimental and traditional measurement techniques in a variety of microemulsified systems and provides reliable coverage of applicable techniques. Theory and Characterization Methods The initial chapters cover theoretical aspects of microemulsion formulation, with particular focus on methodologies for preparation. The book also addresses characterization methods, including X-ray diffraction, transmission electron microscopy (TEM), light scattering, and small-angle neutron scattering. It includes discussions of viscosimetry, conductivity, ultrasonic velocity, and nuclear magnetic resonance (NMR). Practical Applications The remainder of the coverage focuses on current and potential applications of microemulsions. The book examines commercial uses, including biocatalysis and enzymatic reactions, nutrition, the extraction of contaminated solids, pollution control, dispersion of drugs, and oil recovery. The contributors also discuss the use of microemulsions as a reaction medium for the formation of polymeric and inorganic nanoparticles, and applications in electrokinetic chromatography. Comprising the work of an international community of colloid scientists, this book explains why microemulsions are used for the intended application, how they are made, and how they react. Each chapter contains a description of the fundamental phenomena and principles involved in microemulsion processes, emphasizing the mechanism of microemulsion formation and deformation. A summary of recent research, the book eliminates the need to search through dozens of arcane online journal articles for critical information.
Author: Ruggero Caminiti
Publisher: Springer Science & Business Media
ISBN: 3319016989
Category : Science
Languages : en
Pages : 202
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Book Description
This volume describes the most recent findings on the structure of ILs interpreted through cutting-edge experimental and theoretical methods. Research in the field of ionic liquids (ILs) keeps a fast and steady pace. Since these new-generation molten salts first appeared in the chemistry and physics landscape, a large number of new compounds has been synthesized. Most of them display unexpected behaviour and possess stunning properties. The coverage in this book ranges from the mesoscopic structure of ILs to their interaction with proteins. The reader will learn how diffraction techniques (small and large angle X-Ray and neutron scattering, powder methods), X-Ray absorption spectroscopies (EXAFS/XANES), optical methods (IR, RAMAN), NMR and calorimetric methods can help the study of ILs, both as neat liquids and in mixtures with other compounds. It will enable the reader to choose the best method to suit their experimental needs. A detailed survey of theoretical methods, both quantum-chemical and classical, and of their predictive power will accompany the exposition of experimental ones. This book is a must read for postgraduate students, for post-docs, and for researchers who are interested in understanding the structural properties of ILs.
Author: Wade H. Shafer
Publisher: Springer
ISBN: 9780306341205
Category : Science
Languages : en
Pages : 320
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis· seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) *at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac· tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 20 (thesis year 1975) a total of 10,374 theses titles from 28 Canadian and 239 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. The organization of Volume 20 is identical to that of past years. It consists of theses titles arranged by discipline and by university within each discipline.
Author: I. A. Campbell
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 252
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Book Description
Author: Battelle Memorial Institute. Columbus Laboratories
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 80
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Book Description
Author: J. Mason
Publisher: Springer Science & Business Media
ISBN: 1461317835
Category : Science
Languages : en
Pages : 642
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Book Description
With the power and range of modern pulse spectrometers the compass of NMR spec troscopy is now very large for a single book-but we have undertaken this. Our book covers the Periodic Table as multinuclear spectrometers do, and introductory chapters are devoted to the essentials of the NMR experiment and its products. Primary products are chemical shifts (including anisotropies), spin-spin coupling constants, and relaxation times; the ultimate product is a knowledge of content and constitution, dynamic as well as static. Our province is chemical and biochemical rather than physical or technical; only passing reference is made to metallic solids or unstable species, or to practical NMR spectroscopy. Our aim is depth as well as breadth, to explain the fundamental processes, whether of nuclear magnetic shielding, spin-spin coupling, relaxation, or the multiple pulse sequences that have allowed the development of high-resolution studies of solids, multidimensional NMR spectroscopy, techniques for sensitivity enhancement, and so on. This book therefore combines the functions of advanced textbook and reference book. For reasonably comprehensive coverage in a single volume we have sum marized the information in tables and charts, and included all leading references.
Author: Robert A. Alberty
Publisher: John Wiley & Sons
ISBN: 0470036451
Category : Science
Languages : en
Pages : 482
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Book Description
Navigate the complexities of biochemical thermodynamics with Mathematica(r) Chemical reactions are studied under the constraints of constant temperature and constant pressure; biochemical reactions are studied under the additional constraints of pH and, perhaps, pMg or free concentrations of other metal ions. As more intensive variables are specified, more thermodynamic properties of a system are defined, and the equations that represent thermodynamic properties as a function of independent variables become more complicated. This sequel to Robert Alberty's popular Thermodynamics of Biochemical Reactions describes how researchers will find Mathematica(r) a simple and elegant tool, which makes it possible to perform complex calculations that would previously have been impractical. Biochemical Thermodynamics: Applications of Mathematica(r) provides a comprehensive and rigorous treatment of biochemical thermodynamics using Mathematica(r) to practically resolve thermodynamic issues. Topics covered include: * Thermodynamics of the dissociation of weak acids * Apparent equilibrium constants * Biochemical reactions at specified temperatures and various pHs * Uses of matrices in biochemical thermodynamics * Oxidoreductase, transferase, hydrolase, and lyase reactions * Reactions at 298.15K * Thermodynamics of the binding of ligands by proteins * Calorimetry of biochemical reactions Because Mathematica(r) allows the intermingling of text and calculations, this book has been written in Mathematica(r) and includes a CD-ROM containing the entire book along with macros that help scientists and engineers solve their particular problems.
